Cutter for T-shaped grooves GOST. Transportation and storage

26.04.2020

STATE STANDARD

UNION SSR

T-SLOT CUTTERS

By the Decree of the State Committee of Standards of the Council of Ministers of the USSR dated August 21, 1972 No. 1637, the deadline for the introduction was established

Decree of the State Standard of 04.06.85 No. 1574

validity period extended until 01.01.87

Non-compliance with the standard is punishable by law

This standard applies to high speed steel milling cutters for T- figurative grooves according to GOST 1574-75.

The standard fully complies with ST SEV 115-79 and ST SEV 4632-84 in terms of cutters for processing T-slots, (Changed edition, Rev. No. 3, 4).

1. TYPES, DESIGN AND DIMENSIONS

1.1. Cutters should be made of two types:

1 - cutters with a cylindrical shank for grooves with dimensions a from 5 to 36 mm with a flute angle a) = 10 °;

2 - cutters with a tapered shank for grooves with dimensions a from 6 to 54 mm of two versions:

1 - with normal teeth with a flute angle (o=10°;

2 - with large teeth with a flute angle (o = 15 ... 25 °.

Official edition

b) Type 2, version 2 (fig. 2, table 2)

■v-v A-A 3

table 2

Dimensions in mm

APPENDIX 2 Mandatory

The main dimensions of type 1 cutters, manufactured according to customer requirements

Nominal T.lLpo^ttLgp

APPENDIX 3 Mandatory

Operating conditions for T-slot cutters

1. Cutters are designed for processing T-slots on machines that meet the standards of accuracy and rigidity established for them.

2. An auxiliary tool must meet the standards of accuracy imposed on it.

3. Processed material:

for milling cutters of types 1 and 2 version 1 - gray cast iron SCH 18 according to GOST 1412-79 with hardness HB 170 ... 200;

for cutters of type 2 version 2 - steel 45 according to GOST 1050-74 with a hardness of not more than HB 197.

4. Cutting conditions must comply with those specified in clause 4.4 and in table. 3 of this standard.

5. A 5% solution of emulsol in water (by weight) is used as a lubricating-cooling liquid with a flow rate of 6-8 l / min.

For cutters of version 1, cooling is carried out by a jet of air.

6. A rectangular groove is pre-milled in the blanks, equal in width to the diameter of the neck di + 2 mm, leaving an allowance along the bottom of the groove of 1-2 mm.

7. The specified operating conditions are designed for warranty resistance between regrindings - 60 min.

(Introduced additionally, Amendment No. 3).

Editor M. A. Glazunova Technical editor E. V. Mityai Proofreader S. I. Kovaleva

Rented in emb. 11/13/85 Signed. in the oven 01/08/86 1.0 st. p. l. 1.0 kr.-ott. 0.46 ed. l.

Circulation 8000 Price 3 kop.

Order "Badge of Honor" Standards Publishing House, 123840, Moscow, GSP,

Novopresnensky per., 3.

Vilnius Printing House Standards Publishing House, st. Mindaugo, 12/14. Zach, 4926.

Clause 2.13. Put the first paragraph in new edition^ "Tolerance of radial runout of the main cutting edges of the cutter teeth relative to the shank axis should be:"

Item 2L4. The first paragraph should be stated in the new wording: “The tolerance of the end runout of the working part of the cutters relative to the axis of the shank must be:”

Paragraph 2.15 shall be stated in a new wording: “2L5. The average and established periods of resistance for all diameters of milling cutters tya 1 and type 2 when machining cast iron OCH Sh and steel St45 under the test conditions established in Sec. 4, should be: G cf * = 60 min, Tu = 25 min ":

Section 2 shall be supplemented with paragraph - 2.16: “2.16. The criterion for blunting cutters is the achievement of permissible wear on the back surface, equal to that indicated in Table. 3.

Table 3

Cutter diameter	Permissible	wear, mm
Cutter diameter	when processing cast iron	in steel processing

Sections 3, 4 shall be stated in a new edition:

“3. Acceptance rules -

3.2. Tests of cutters to determine reliability indicators are carried out on at least 5 cutters.

To control the average period of resistance, tests are carried out once every three years, the established period of resistance is twice a year.

The tests should be carried out on cutters with a diameter of 18, 25 and 50 mm.

It is allowed to additionally test cutters of other diameters.

4. CONTROL METHODS

4.1. Milling cutters should be tested on milling machines general and special purpose, corresponding to the standards of accuracy and rigidity established for them.

4.2. Milling cutters of types 1 and 2, version 1 should be tested on workpieces of gray cast iron grade SCh 18 according to GOST 1412!-85 with a hardness of 180 ... 197...207 HB.

In blanks, a rectangular groove is pre-milled, equal in width to the diameter of the neck (rfi + 2) mm, leaving an allowance along the "bottom of the groove" 1-2 mm.

4.3. Tests of cutters for performance, average and established periods of durability should be carried out on (modes indicated in Table 4.

Permissible deviation of the cutting speed from that specified in Table. 4 should be within TO % when V*S changes within 10%.

4.4. The total milling length during the performance test must be at least 500 mm.

4.5. After testing for performance, the cutting edges of the cutters should be free of chipping and other defects. Mills after testing should be suitable for further work.

4.6. The acceptance values of the average and established periods of resistance ne should be less: Ger - 68 min, Tu - 28 min.

4.7. When working on steel as a lubricant

a 5% solution of emulsol in water (by weight) should be used at a flow rate of 6-8 l / min; when working on cast iron - cool with an air jet that removes chips from the cutting zone. ,

(Continued see p. 132)

(Continuation of changes to G01rT 7063-72)

Table 4

Cutter diameter d, mm	Cutting speed, v, m/min		Feed per tooth s_, mm/tooth
	when processing cast iron СЧ18	when processing steel St45	when processing cast iron СЧ18	when processing steel St45

4.9. Appearance control is carried out visually.

4.10. The surface roughness parameters of the cutters should be checked by comparison with surface roughness samples according to GOST 9378-75 or with exemplary tools that have surface roughness parameters not exceeding those indicated in l. 2.10.

Comparison is carried out visually using a magnifying glass 2 x according to GOST 2&7|0v-ve.

4JM 1 . The measurement error of the geometric parameters of the cutters should be no more than:

when measuring the linear dimensions of the quantities specified in GOST 8.051-81;

when measuring angles - 35% of the tolerance value for the angle being checked;

when controlling the shape and location of surfaces - 25% of the tolerance value for the parameter being checked.

Annex 3 to be deleted.

(IUS No. 2 1987)

Clause 2.15. Replace the designation: SCh18 with "SCh 18 according to GOST 1412-85",

Section 3 (name), paragraph 3.1. Replace the words: "Acceptance Rules" with "Acceptance".

Clause 3.2 shall be stated in a new wording: “3.2. Periodic tests, including testing of cutters for the average tool life, should be carried out once every three years, for a 95% tool life once a year for at least 5 cutters.

Milling cutter tests should be carried out on any standard size of milling cutters of the produced range indicated in Table. four".

Clauses 4.3, 4.6. Change the word: "installed" to "95%".

Table 4. Column "Cutter diameter d". Change size: 12.5 to 11.0; 12.5.

Section 5 shall be reworded as follows:

"5. Transportation and storage

Transportation and storage - in accordance with GOST 18088-83.

			(prev. off

(IUS No. 8 1990)

Annex 1. Table 1 is supplemented with the dimensions of diameters d 11.0; 50.0; 60 mm and corresponding values:____

1.2. The design and main dimensions of cutters of type 1 must correspond to those indicated in Fig. 1 and in table. 1, type 2 cutters - indicated in fig. 2 and in table. 2.

Designation	employment	f, no more	g, no more

An example of a symbol for a type 1 cutter with a nominal slot size a = 14 mm:

Note. The main dimensions of type 1, manufactured at the request of the customer, are indicated in the mandatory appendix 2.

table 2

Cutters version 1

Cutters version 2

Nominal T-slot size a

U no more

; Morse taper

Number of teeth g version

Designation

LLGL L< ЛЛ

An example of a symbol for a cutter of type 2, version 1, with a nominal groove size o=6 mm;

(Changed edition, Rev. No. 2, 3).

1.2a, 1.26. (Deleted, Rev. No. 3).

1.4. Dimensions of rounding radii and chamfers not specified in this standard are accepted for technological reasons.

1.5. Structural elements and geometrical parameters of cutters are specified in the recommended appendix.

2. TECHNICAL REQUIREMENTS

2.1. (Deleted, Rev. No. 2).

2.2. The cutters must be made of high speed steel according to GOST 19265-73.

(Revised edition, Rev. No. 2).

2.3. Mills must be welded. At the place of welding, shells, lack of penetration, arson and burnout of metal, ring cracks are not allowed.

Type 1 cutters for slots with a nominal size up to and including 12 mm can be made in one piece.

2.4. Shanks of cutters must be made of steel grade 45 according to GOST 1050-74 or steel grade 40X according to GOST 4543-71.

2.5. The hardness of the cutters should be:

cutting part made of high-speed steel HRC 62 ... 65;

cutting parts made of high-speed steel with vanadium content of 3% or more and cobalt of 5% or more - higher by 1-2 HRC units;

cylindrical shank;

solid cutters - HRC 35 ... 55;

welded cutters - HRC 30 ... 50 in a section of at least 1/2 of the length from the end of the shank;

end part of the tapered shank - HRC 30 ... 50.

2.6. On the working surface of the cutters there should not be a decarburized layer and places with reduced hardness.

2.7. On the surface of the cutters there should be no nicks, cracks, burrs, black holes, crumbled places, arson, as well as traces of corrosion.

2.8. Blockages at the cutting edges of the cutter teeth are not allowed.

2.9. The center holes of the cutters should not have nicks and developed places.

2.10. The parameters of the surface roughness of cutters according to GOST 2789-73 should be, microns:

front and rear surfaces of the teeth - Rz ^.3.2;

for cutters with a diameter of 12.5 to 40 mm:

0.02 mm - two adjacent teeth, 0.04 mm - on the entire cutter; for cutters with a diameter of 50 to 95 mm:

0.03 mm - two adjacent teeth; 0.05 mm - on the entire cutter.

2.14. The end runout of the working part of the cutters should not exceed:

for cutters with a diameter of 12.5 to 40 mm - 0.04 mm; for cutters with a diameter of 50 to 95 mm - 0.05 mm.

2.15. The average life of the cutters must correspond to that specified in the mandatory Appendix 3.

3. ACCEPTANCE RULES

(Revised edition, Rev. No. 1).

3.2. (Deleted, Rev. No. 1).

3.3. Periodic tests should be carried out at least once every three years on at least 10 cutters.

3.4-3.6. (Deleted, Rev. No. 3).

3.7. It is allowed to test the durability of milling cutters with consumers in production conditions.

4. TEST METHODS

4.1. Milling cutter performance tests should be carried out on milling machines. Milling machines and auxiliary

the tools used in the test must comply with the standards of accuracy and rigidity established for them.

(Revised edition, Rev. No. 3).

4.2. A 5% (by weight) solution of emulsol in water is used as a lubricating-cooling liquid at a flow rate of 6-8 l/min.

(Revised edition, Rev. No. 4).

4.3. Testing of cutters of types 1 and 2, version 1 is carried out on workpieces made of gray cast iron SCH18 according to GOST 1412-79 with hardness HB 170-200, cutters of type 2, version 2 - on workpieces made of steel grade 45 according to GOST 1050-74 with hardness HB 184-217.

In blanks, a rectangular groove is pre-milled, equal in width to the diameter of the neck di + 2 mm, leaving an allowance along the bottom of the groove of 1-2 mm.

4.4. The cutting conditions during the test must correspond to those indicated in Table. 3.

Table 3

Mill diameter d, mm	Material	Cutting speed V, m/mic	Feed per tooth S z , mm
	Cast iron SCh18-36
	Cast iron SCh18-36

(Changed edition, Rev. No. 2, 3).

4.5. The total milling length during the performance test must be at least 500 mm.

4.6. After testing, the cutting edges of the cutters should be free of chipping and other defects. Mills after testing should be suitable for further work.

(Revised edition, Rev. No. 2).

4.7. Linear and angular dimensions, radial and end runout must be controlled by universal and special measuring instruments.

4.8. The hardness of cutters should be checked according to GOST 9013-59 or GOST 2999-75.

4.9. The surface roughness of cutters should be checked using surface roughness samples in accordance with GOST 9378-75.

4.10. Appearance cutters are controlled visually.

5. MARKING, PACKAGING, TRANSPORT AND STORAGE

5.1. The following marking shall be clearly marked on the neck surface of each cutter:

a) trademark of the manufacturer;

b) cutter designation;

c) the nominal size of the groove a;

d) steel grade of the cutting part.

It is allowed to mark the last four digits of the designation on cutters up to the groove size a = 18 mm inclusive.

It is allowed to mark on the cutters on the shank, provided that its geometric shapes are preserved, and also to make a groove for marking on the shank.

5.2. Internal packing of cutters - VU-1 in accordance with GOST 9.014-78.

(Revised edition, Rev. No. 4).

5.2a. The remaining requirements for marking, packaging, transportation and storage of cutters are in accordance with GOST 18088-83.

(Introduced additionally, Rev. No. 4).

5.3. (Deleted, Rev. No. 3).

5.4-5.9. (Deleted, Rev. No. 2).

Sec. 6. (Deleted, Rev. No. 4).

STRUCTURAL ELEMENTS AND GEOMETRIC PARAMETERS OF MILLS

* The back surface of the teeth of the cutter can be made in a two-angle or curved shape.

Table 1

Dimensions in mm

Reprint prohibited

Reissue (August 1985) with Amendments No. 2, 3, 4, approved in June 1977, February 1981, June 1985 (IUS 7-77, 5-81, 8-85).

The back surface of the teeth of the cutter can be made of a two-angle or curvilinear shape.

Description:

Designation: GOST 7063-72

Status: invalidated in the Russian Federation

Russian name: Cutters for processing T-shaped grooves. Specifications

English name: T-slot cutters. Specifications

Publication date: 01.08.1985

Date of entry into force: 21.08.1972

Expiration date: 01.01.2010

Reissue: reissue with rev. 2

Scope and conditions of application: This International Standard applies to high speed steel T-slot cutters.

Instead: GOST 7063-63

List of changes: No. 0 from (reg.) "Amendment to change"
No. 2 from (reg.) "Expiration date extended"
No. 3 from (reg.) "Expiration date extended"
No. 4 from (reg.) "Expiration date extended"
No. 5 from (reg.) "Expiration date extended"
No. 6 from (reg.) "Expiration date extended"

Text GOST 7063-72

Applications to GOST

Designation: Change to GOST 7063-72. Lost force in the Russian Federation

Date of entry into force: 01.01.2010

Change No. 2 to GOST 7063-72

Designation: Change No. 2 to GOST 7063-72

Date of entry into force: 01.01.1978

The text of the amendment is integrated into the text or description of the standard.

Change No. 3 to GOST 7063-72

Designation: Change No. 3 to GOST 7063-72

Date of entry into force: 01.01.1982

The text of the amendment is integrated into the text or description of the standard.

STATE STANDARD

UNION SSR

T-SLOT CUTTERS

TECHNICAL CONDITIONS

GOST 7063-72

| ST SEV 115-79, ST SEV 4632-84)

Official edition

USSR STATE COMMITTEE ON STANDARDS

UDC 621.914.22: 006.354 Group G23

STATE STANDARD OF THE UNION OF THE SSR

T-SLOT CUTTERS Specifications

T-slot cutters. Specifications

(ST SEV 115-79, CT SEV 4632-84)

GOST 7063-63

By the Decree of the State Committee of Standards of the Council of Ministers of the USSR dated August 21, 1972 No. 1637, the deadline for the introduction was established

Resolution of the State Standard of 04.06.85 N9 1574

validity period extended until 01.01.87

Non-compliance with the standard is punishable by law

This standard applies to cutters made of high-speed steel for processing T-slots in accordance with GOST 1574-75.

The standard fully complies with ST SEV 115-79 and ST SEV 4632-84 in terms of cutters for processing T-slots, (Changed edition, Rev. No. 3, 4).

1. TYPES, DESIGN AND DIMENSIONS

1.1. Cutters should be made of two types:

1 - cutters with a cylindrical shank for grooves with dimensions a from 5 to 36 mm with an angle of inclination of the chip groove &) \u003d 10 °;

2 - cutters with a tapered shank for grooves with dimensions a from 6 to 54 mm of two versions:

1 - with normal teeth with a flute angle co=10°;

2 - with large teeth with a flute angle (o = 15 ... 25 °.

Official edition

Reprint prohibited

* Reissue (August 1985) with Amendments No. 2, 3, 4, approved in June 1977, February 1981, June 1985 (JC 7-77, 5-81, 8-85).

1.2. The design and main dimensions of cutters of type 1 must correspond to those indicated in Fig. 1 and in table. 1, type 2 cutters - indicated in fig. 2 and in table. 2.

Designation	employment	Nominal T-slot size a	f, no more	g, no more

An example of a symbol for a type 1 cutter with a nominal slot size a = 14 mm:

Cutter 2252-0305 GOST 7063-72

Note. The main dimensions of type 1, manufactured at the request of the customer, are indicated in the mandatory appendix 2.

table 2

performance 1

performance 2

1 Nominal T-slot size a

f, no more

g, no more

Morse taper

Number of teeth g version

Designation

LLGL A< ЛЛ

An example of a symbol for a cutter of type 2 version 1 with a nominal groove size a == 6 mm;

Cutter 2252-0151 GOST 7063-72 The same, version 2 with a nominal groove size a = 14 mm: Cutter 2252-0158 GOST 7063-72.

(Changed edition, Rev. No. 2, 3).

1.2a, 1.26. (Deleted, Rev. No. 3).

1.3. Center holes - according to GOST 14034-74.

1.4. Dimensions of rounding radii and chamfers not specified in this standard are accepted for technological reasons.

1.5. Structural elements and geometrical parameters of cutters are specified in the recommended appendix.

2. TECHNICAL REQUIREMENTS

2.1. (Deleted, Rev. No. 2).

2.2. The cutters must be made of high speed steel according to GOST 19265-73.

2.3. Mills must be welded. At the place of welding, shells, lack of penetration, arson and burnout of metal, ring cracks are not allowed.

Type 1 cutters for slots with a nominal size up to and including 12 mm can be made in one piece.

2.4. Shanks of cutters must be made of steel grade 45 according to GOST 1050-74 or steel grade 40X according to GOST 4543-71.

2.5. The hardness of the cutters should be:

cutting part made of high-speed steel HRC 62 ... 65;

cutting parts made of high-speed steel with vanadium content of 3% or more and cobalt of 5% or more - higher by 1-2 HRC units;

cylindrical shank;

solid cutters - HRC 35 ... 55;

welded milling cutters - HRC 30 ... 50 in a section of at least 1/2 of the length from the end of the shank;

end part of the tapered shank - HRC 30 ... 50.

2.6. On the working surface of the cutters there should not be a decarburized layer and places with reduced hardness.

2.7. On the surface of the cutters there should be no nicks, cracks, burrs, black holes, crumbled places, arson, as well as traces of corrosion.

2.8. Blockages at the cutting edges of the cutter teeth are not allowed.

2.9. The center holes of the cutters should not have nicks and developed places.

2.10. The parameters of the surface roughness of cutters according to GOST 2789-73 should be, microns:

front and rear surfaces of the teeth - Rz ^.3.2;

shank - Ra^. 0.63;

tooth backs, cutter neck and chip grooves - Rz ^ 10; the rest - Rz^. twenty.

(Revised edition, Rev. No. 2).

2.11. On the rear surface, along the cutting edges, a cylindrical ribbon with a width of not more than 0.05 mm is allowed.

2.12. Limit deviations of cutter dimensions should not exceed:

outer diameter d-L12 according to GOST 25347-82; cylindrical shank diameter dz-L8 GOST 25347-82; width I-hi2 according to GOST 25347-82; neck diameter di-hi4 according to GOST 25347-82;

cutter length L- ~/ T1 9 according to GOST 25346-82;

tolerances of Morse cones - according to the degree of accuracy AT8 according to GOST 2848-75.

(Revised edition, Rev. No. 2).

2.13. The radial runout of the main cutting edges of the cutter teeth relative to the shank axis should not exceed:

for cutters with a diameter of 12.5 to 40 mm:

0.02 mm - two adjacent teeth, 0.04 mm - on the entire cutter; for cutters with a diameter of 50 to 95 mm:

0.03 mm - two adjacent teeth; 0.05 mm - on the entire cutter.

2.14. The end runout of the working part of the cutters should not exceed:

for cutters with a diameter of 12.5 to 40 mm - 0.04 mm; for cutters with a diameter of 50 to 95 mm - 0.05 mm.

2.15. The average life of the cutters must correspond to that specified in the mandatory Appendix 3.

3. ACCEPTANCE RULES

3.1. Acceptance rules - according to GOST 23726-79.

(Revised edition, Rev. No. 1).

3.2. (Deleted, Rev. No. 1).

3.3. Periodic tests should be carried out at least once every three years on at least 10 cutters.

3.4-3.6. (Deleted, Rev. No. 3).

3.7. It is allowed to test the durability of milling cutters with consumers in production conditions.

4. TEST METHODS

4.1. Milling cutter performance tests should be carried out on milling machines. Milling machines and auxiliary

the tools used in the test must comply with the standards of accuracy and rigidity established for them.

(Revised edition, Rev. No. 3).

4.2. A 5% (by weight) solution of emulsol in water is used as a lubricating-cooling liquid at a flow rate of 6-8 l/min.

In blanks, a rectangular groove is pre-milled, equal in width to the diameter of the neck di + 2 mm, leaving an allowance along the bottom of the groove of 1-2 mm.

4.4. The cutting conditions during the test must correspond to those indicated in Table. 3.

Table 3

(Changed edition, Rev. No. 2, 3).

4.5. The total milling length during the performance test must be at least 500 mm.

4.6. After testing, the cutting edges of the cutters should be free of chipping and other defects. Mills after testing should be suitable for further work.

(Revised edition, Rev. No. 2).

4.7. Linear and angular dimensions, radial and end runout must be controlled by universal and special measuring instruments.

4.8. The hardness of cutters should be checked in accordance with GOST 9013-59 or GOST 2999-75.

4.9. The surface roughness of cutters should be checked using surface roughness samples according to GOST 9378-75.

4.10. The appearance of the cutters is controlled visually.

5. MARKING, PACKAGING, TRANSPORT AND STORAGE

5.1. The following marking shall be clearly marked on the neck surface of each cutter:

a) trademark of the manufacturer;

b) cutter designation;

c) the nominal size of the groove a;

d) steel grade of the cutting part.

It is allowed to mark the last four digits of the designation on cutters up to the groove size a = 18 mm inclusive.

5.2. Internal packing of cutters - VU-1 in accordance with GOST 9.014-78.

(Revised edition, Rev. No. 4).

5.2a. Other requirements for marking, packaging, transportation and storage of cutters are in accordance with GOST 18088-83.

(Introduced additionally, Rev. No. 4).

5.3. (Deleted, Rev. No. 3).

5.4-5.9. (Deleted, Rev. No. 2).

Sec. 6. (Deleted, Rev. No. 4).

STRUCTURAL ELEMENTS AND GEOMETRIC PARAMETERS OF MILLS

a) Types 1 and 2, version 1 (fig. 1, table 1)

Table 1

Dimensions in mm

b) Type 2, version 2 (fig. 2, table 2)

* The back surface of the teeth of the cutter can be made in a two-angle or curved shape.

table 2

Dimensions in mm

(Revised edition, Rev. No. 2).

APPENDIX 2 Mandatory

The main dimensions of type 1 cutters, manufactured according to customer requirements

APPENDIX 3 Mandatory

Operating conditions for T-slot cutters

1. Cutters are designed for processing T-slots on machines that meet the standards of accuracy and rigidity established for them.

2. An auxiliary tool must meet the standards of accuracy imposed on it.

3. Processed material:

for cutters of types 1 and 2, version 1 - gray cast iron SCH 18 according to GOST 1412-79 with hardness HB 170 ... 200;

for cutters of type 2 version 2 - steel 45 according to GOST 1050-74 with a hardness of not more than HB 197.

4. Cutting conditions must comply with those specified in clause 4.4 and in table. 3 of this standard.

5. A 5% solution of emulsol in water (by weight) is used as a lubricating-cooling liquid with a flow rate of 6-8 l / min.

For cutters of version 1, cooling is carried out by a jet of air.

(Revised edition, Rev. No. 4).

6. A rectangular groove is pre-milled in the blanks, equal in width to the diameter of the neck di + 2 mm, leaving an allowance along the bottom of the groove of 1-2 mm.

7. The specified operating conditions are designed for warranty resistance between regrindings - 60 min.

(Introduced additionally, Amendment No. 3).

Editor M. A. Glazunova Technical editor E. V. Mityai Proofreader S. I. Kovaleva

Rented in emb. 11/13/85 Signed. in the oven 01/08/86 1.0 st. p. l. 1.0 kr.-ott. 0.46 ed. l^

Circulation 8000 Price 3 kop.

Order "Badge of Honor" Standards Publishing House, 123840, Moscow, GSP,

Novopresnensky per., 3.

Vilnius Printing House Standards Publishing House, st. Mindaugo, 12/14. Zach, 4926.

Group G23

Amendment No. 5 GOST 7063-72 Cutters for processing T-shaped grooves. Specifications

Decree of the USSR State Committee for Standards dated 02.12.86 3666 established the introduction period

Put the code under the name of the standard: OKP 39 ^1828.

Item 1.2, Table 2. Column "Morse taper". Change the value: 3 to 4. Delete item L.

Item 2.5 Replace the hardness designation: HRC 62.. . 66 by 63... 66 HRCa, HRC at HRC 3, HRC 35 ... 55 at 37 .. 57 HRC e, HRC 30.<50 на 32 -.. 52 НКС Э.

Point 2LZ. State the first paragraph in a new edition ^ "Tolerance of radial runout of the main cutting edges of the cutter teeth relative to the shank axis should be:"

Item 2L4. The first paragraph should be stated in a new edition: “The tolerance of the end runout of the working part of the cutters relative to the axis of the wheel drive must be:”

Paragraph 2.15 shall be stated in a new wording: “2L5. The average and established periods of resistance for all diameters of milling cutters tya 1 and type 2 when machining SCH 18 cast iron and St45 steel under the test conditions established in Sec. 4 "should be: 7 cf = 60 min, Tu = 25 min":

Section 2 shall be supplemented with paragraph - 2.16: “2L6. The criterion for blunting cutters is the achievement of permissible wear on the back surface, equal to that indicated in Table. 3.

Sections 3, 4 shall be stated in a new edition:

“3. Acceptance rules -

3.1. Acceptance rules - according to GOST 23726-79 1.

3.2. Tests of cutters to determine reliability indicators are carried out on at least 5 cutters.

To control the average period of resistance, tests are carried out once every three years, the established period of resistance is twice a year.

The tests should be carried out on cutters with a diameter of 18, 25 and 50 mm.

It is allowed to additionally test cutters of other diameters.

4. CONTROL METHODS

4.1. Milling cutter tests should be carried out on general and special purpose milling machines that comply with the accuracy and rigidity standards established for them.

4.2. Milling cutters of types 1 and 2, version 1 should be tested on workpieces made of gray cast iron grade SCh 18 according to GOST 1412!-85 with a hardness of 180 ... 220 HB, cutters of type 2 version 2 - on workpieces made of steel grade 415 according to GOST 1050-74 with a hardness of 197 .. . 207 HB.

A rectangular groove is pre-milled in blanks, equal in width to the diameter of the neck (dj + 2) mm, leaving an allowance of ~ 1-2 mm along the bottom of the groove.

4.3. Tests of milling cutters for performance, average in the established periods of durability, should be carried out on (modes indicated in Table 4.

Permissible deviation of the cutting speed from that specified in Table. 4 should be within TO % when V*S changes within 10%.

4.4. The total length of milling during the performance test must be at least 500 mm.

4.5. After testing for performance, the cutting edges of the milling cutters should not show any cuts or other defects. Milling cutters after testing should be suitable for further work.

4.6. The acceptance values of the average and established periods of its resistance should be less than: T cf -68 min, T y -28 min.

4.7. When working on steel, a 5% solution of emulsol in water (by weight) with a flow rate of 6-8 l / min should be used as a lubricant and coolant; when working on cast iron - cool with an air jet that removes chips from the cutting zone.

(Continued see p. 132)

4.8. The hardness of cutters is according to GOST 9013-59.

4.9. Appearance control is carried out visually.

Comparison is carried out visually using a magnifying glass 2 x according to GOST 2 * 57106-83.

4L*K

when measuring the linear dimensions of the quantities specified in GOST 8.051--81;

ori measuring angles - 35% of the tolerance value for the angle being checked;

when controlling the shape and location of surfaces - 25% of the tolerance value for the parameter being checked.

Annex 3 to be deleted.

(IUS No. 2 1987)

Amendment No. 6 GOST 7063-72 Cutters for processing T-shaped grooves. Specifications

Approved and put into effect by the Decree of the USSR State Committee for Product Quality Management and Standards dated 21.05.90 M 1218

Date of introduction 01.12.96

Section 1. The title shall be stated in a new edition: “1. Types and sizes. Clause 1.2. Replace the words: "Design and main dimensions" with "Dimensions";

Table 1 shall be stated in a new edition (delete the note):

Table 1

Designation	Apply	Nominal size of T-slot a	f, no more	g, no more	Number of teeth 2xz

Tables 1 and 2 are supplemented with a note: “Note to tables 1 and 2. It is allowed to replace chamfers q and f with radii R = g and /?-f”.

Table 2. In the column “Number of teeth r> replace the values: z with 2Xz; 6 on 2x3; 8 on 2X4; 4 on 2X2.

Paragraph 2.7 shall be stated in a new wording: “21.7. On the surface of the cutters there should be no cracks, traces of corrosion, on the ground surfaces - a draft, crumbled places, on the cutting edges - nicks, burns, on the shank and center holes - burrs.

Paragraphs 2.8, 2.9 shall be excluded.

Item 2L5. Replace designation; SCh18 to "SCh 18 according to GOST 1412-85", St45 to "St 45 according to GOST 1050-88"; "set" to "95%".

Table 3 is supplemented with a diameter; 11.0 and wear values: 0.40 (when machining cast iron); "-" (when processing steel).

Section 2 shall be supplemented with paragraphs - 2.17-2.19: “2.17. On the surface of the neck of each cutter must be clearly marked:

trademark of the manufacturer;

cutter designation;

nominal size of the groove a;

steel grade of the cutting part;

image of the State Quality Mark upon its assignment in the manner established by the State Standard of the USSR.

It is allowed to apply the State Quality Mark only on labels.

It is allowed to mark only the last four digits of the designation on cutters for processing a groove no more than a = 18 mm.

It is allowed to mark on the cutters on the shank, provided that its geometric shapes are preserved, and also to make a groove for marking on the shank.

2.18. Transport marking and marking of consumer packaging - in accordance with GOST 18088-83.

2.19. Packing - in accordance with GOST 18088-83i.

Section 3 (name), paragraph 3.L Replace the words: “Acceptance Rules” with “Acceptance”.

Milling cutter tests should be carried out on any standard size of milling cutters of the produced range indicated in Table. four".

Clauses 4.3, 4.6. Change the word: "installed" to "95%".

Table 4. Column "Cutter diameter d". Change size: 12.5 to 11.0; 12.5.

Section 5 shall be reworded as follows:

"5. Transportation and storage

Transportation and storage - in accordance with GOST 18088-83.

Annex 1. Table 1 is supplemented with the dimensions of diameters d 11.0; 50.0; 60 mm and corresponding values:____

FEDERAL AGENCY FOR TECHNICAL REGULATION AND METROLOGY

NATIONAL

STANDARD

RUSSIAN

FEDERATION

GOSTR

2008

(ISO 3337:2000)

T-SLOT CUTTERS

Specifications

ISO 3337:2000

T-slot cutters with cylindrical shanks and Morse taper shanks having tapped hole

Official edition

Stackdartiiform

GOST R 53004-2008

Foreword

Goals and principles of standardization e Russian Federation installed federal law dated December 27, 2002 No. 184-FZ “On technical regulation”, and the rules for the application of national standards of the Russian Federation - GOST R 1.0-2004 “Standardization in the Russian Federation. Basic Provisions»

About the standard

1 PREPARED BY OPEN joint stock company JSC "VNIIINSTRUMENT"

2 INTRODUCED by the Technical Committee for Standardization TK 95 "Tool"

3 APPROVED AND INTRODUCED BY Order No. 297*st of the Federal Agency for Technical Regulation and Metrology dated November 11, 2008

4 This standard includes modified basic regulations international standard ISO 3337:2000, T-slot cutters with cylindrical shanks and Morse taper shanks having a tapped hole (MOD).

Information on the conformity of referenced national standards with reference international standards used in this standard as normative references is given in Appendix A.

At the same time, additional provisions that take into account the needs of national standardization are given in sections 1.2.4. 5.6. in paragraphs 3.1.5 - 3.1.8. in subsection 3.2 and are in italics.

The name of this standard has been changed relative to the name of the specified international standard to bring it into line with GOST R 1.5-2004 (clause 3.5).

5 INTRODUCED FOR THE FIRST TIME

Information about changes to this standard is published in the annually published information index "National Standards". and the text of changes and amendments - in the monthly published information indexes "National Standards". In case of revision (replacement) or cancellation of this standard, a corresponding notice will be published in the monthly published information index "National Standards". Relevant information, notification and texts are also placed in information system general use - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet

This standard cannot be fully or partially reproduced, replicated and distributed as an official publication without the permission of the Federal Agency for Technical Regulation and Metrology

GOST R 53004-2008

NATIONAL STANDARD OF THE RUSSIAN FEDERATION

T-SLOT CUTTER Specifications T-slot cutters. Specifications

Introduction date - 2010 - 01 - 01

1 area of use

This standard applies to cutters made of high-speed steel for processing T-slots in accordance with GOST 1574.

2 Normative references

8 of this standard uses normative references to the following standards:

GOST R 52965-2008 Cylindrical shanks for cutters. Basic dimensions GOST 8.051-81 State system ensuring the uniformity of measurements. Errors allowed when measuring linear dimensions up to 500 mm

GOST 1050-88 Rolled bars, calibrated with a special surface finish from quality carbon structural steel. General specifications GOST 1412-85 Cast iron with lamellar graphite for castings. Grades GOST 1574-91 Machined T-grooves. Dimensions GOST 2789-73 Surface roughness. Parameters and characteristics GOST 2848-75 Tool cones. Tolerances. Methods and means of control GOST 4543-71 Rolled products from alloyed structural steel. Specifications GOST 9013-59 Metals. Rockwell hardness measurement methods GOST 9378-93 Surface roughness samples (comparisons). General specifications

GOST 18088-83 Metal-cutting, diamond, wood-cutting, metalwork and auxiliary tools. Packaging, marking, transportation and storage

GOST 19265-73 Bars and strips made of high-speed steel. Specifications GOST 23726-79 Metal and wood cutting tools. Acceptance of GOST 25706-83 Loupes. Types, basic parameters. General technical requirements

Application - When using this standard, it is advisable to check the validity of reference standards in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet or on the annually published information index "National Standards *", which was published as of January 1 of the current year , and according to the corresponding monthly published information signs published in the current year. If the reference standard is replaced (modified), then when using this standard, you should be guided by the replacing (modified) standard. If the reference standard is canceled without replacement. the provision in which reference is made to it applies to the extent not affecting that reference.

Official edition

GOST R 53004-2008

3 Technical requirements

3.1 Types and main dimensions

3.1.1 Cutters should be made of types:

1 - with normal teeth:

2 - with large teeth.

3.1.2 Type 1 cutters are manufactured in the following versions:

1 - with a smooth cylindrical shank;

2 - with a cylindrical shank with a hatch:

3 - with a cylindrical threaded shank;

4 - with a Morse taper shank.

Type 2 cutters are made only in execution 4 - with a Morse taper shank.

3.1.3 The main dimensions of cutters of executions 1.2.3 must correspond to those indicated in Figure 1 and Table 1.

Picture 1

GOST R 53004-2008

Table 1

Dimensions in millimeters

Nominal T-shaped

3.1.4 The main dimensions of cutters of execution 4 must correspond to those indicated in Figure 2 and Table 2.

table 2

Dimensions in mm

GOST R 53004-2008

End of table 2

Dimensions in millimeters

Nominal T-shaped								Number of teeth for cutter types

An example of a symbol for a cutter of type 1. execution 1. with a nominal groove size of 6 mm:

Cutter 1 - 1 - 6 GOST R 53004-2006

Same. execution 2:

Cutter 1-2-6 GOSTR53004-2008

Same. execution 3:

Cutter 1-3-6 GOSTR53004-2008

Same. execution 4:

Cutter 1 - 4 - 6 GOST R 53004-2008

Same. cutters of type 2. version 4. with a nominal slot size of 12 mm:

Mill 2 - 4-12GOSTR53004-2008

3.1.5 Milling cutter shanks, versions 1.2.3 - according to GOST R 52965.

3.1.6 Dimensions of Morse tapers - according to GOST 25557.

3.1.7 Center holes - according to GOST 14034.

3.1.8 Type 1 cutters are made with a chip groove angle co = 10*: type 2 cutters with a chip groove angle to - 15.. .25*.

3.2 Characteristics

3.2.1 Cutters should be made of high speed steel according to GOST 19265.

3.2.2 Cutters should be welded. In the place of welding, shells, lack of penetration are not allowed. arson and burnout of metal, ring cracks and fistulas.

Cutters of executions 1. 2.3 for grooves with a nominal size up to 12 mm inclusive are allowed to be made in one piece.

3.2.3 Shanks of welded cutters should be made of steel grade 40X according to GOST 4543 or steel grade 45 according to GOST 1050.

3.2.4 The hardness of the working part of the cutters should be 63.. .66 HRC.

The hardness of the working part of cutters made of high-speed steel with a vanadium content of at least 3% and cobalt of at least 5% should be higher by 1 - 2 HRC units.

The hardness of the cylindrical shank of solid (non-sear) cutters should be 37.. .57 HRC.

The hardness of the cylindrical shank of welded cutters in the area of at least V 2 lengths from the end of the shank and the end part of the tapered shank should be 32.. .52 HRC.

3.2.5 On the working surface of the cutters there should be no decarburized layer and places with reduced hardness.

GOST R 53004-2008

3.2.6 There should be no cracks, signs of corrosion on the surface of the cutters: on polished surfaces - rough, crumbling places: on cutting edges - nicks, burn marks: on the shank and center holes - burrs.

3.2.7 The parameters of the roughness of the surfaces of the cutters according to GOST 2789 must be, microns, not more than:

Rz 3.2 - for the front and rear surfaces of the teeth:

Ra 0.63 - for shank surface:

Rz 10 - for surfaces of tooth backs, necks and flutes:

Rz 20 - for other surfaces.

3.2.6 On the back surface of the teeth of the cutters along the cutting edges, a cylindrical ribbon with a width of not more than 0.05 mm is allowed.

3.2.9 Limit deviations of cutter dimensions should be. mm. no more:

± JT16/2 - for cutter length L;

Steleno accuracy AT8 according to GOST 2848 - for Morse taper.

3.2.10 The radial runout tolerance of the main cutting edges of the cutter teeth relative to the shank axis should be. mm. no more:

0.02 - on two adjacent teeth - for cutters with a diameter of up to 40 mm incl.:

0.04 - on the whole cutter » » » » 40 » »:

0.03 - on two adjacent teeth - for cutters with a diameter of St. 40 mm:

0.05 - on the whole cutter p » p » 40 p.

3.2.11 The tolerance of the end runout of the working part of the cutters relative to the axis of the shank must be. mm. no more:

0.04 - for cutters with a diameter of up to 40 mm ect.:

0.05 p p m se. 40 mm.

3.2.12 Average 7 and established T y, the service life of cutters when machining cast iron grade SCh18 according to GOST 1412 and steel grade 45 according to GOST 1050 under the test conditions given in section 5. should be: T-60 min. T g - 25 min.

3.2.13 The criterion for blunting cutters is the achievement of acceptable wear on the back surface. indicated in table 3.

Table 3

in millimeters

cutter diameter d	Permissible wear
cutter diameter d	when processing cast iron	when processing the steppe

GOST R 53004-2008

3.2.14 Marking

On the neck of the phrase should be clearly marked:

Trademark of the manufacturer;

Nominal slot size;

Brand steel working part.

It is allowed to apply marking on the shank, provided that its geometric shapes are preserved, and also to make a groove for marking on the shank.

3.2.15 Transport marking and marking of consumer packaging - in accordance with GOST 18088.

3.2.16 Packaging - according to GOST 18088.

4 Acceptance rules

4.1 Acceptance of cutters - according to GOST 23726.

4.2 Periodic tests of milling cutters for the average period of resistance are carried out once every three years, for the established period of resistance - once a year. Tests are carried out on at least five cutters of any size.

4.3 It is allowed to conduct tests at the consumer.

5 Methods of control and testing

5.1 The appearance of the cutters is controlled visually using a magnifying glass LP-1-4 according to GOST 25706.

5.2 The hardness of cutters is controlled according to GOST 9013.

5.3 When controlling the dimensional parameters of cutters, methods and measuring instruments are used, the error of which should be no more than:

The values specified in GOST 8.051 - when measuring linear dimensions:

35% tolerance for the angle being checked » r angular »

25% tolerance for the checked parameter - when controlling the shape and location of surfaces.

5.4 The surface roughness of the cutters is checked by comparison with reference samples according to GOST 9378 or with reference tools with roughness parameters not exceeding those specified in 3.2.7.

5.5 Testing of cutters should be carried out on milling machines for general and special purposes. corresponding to the standards of accuracy and rigidity established for them.

5.6 Milling cutters of types 1. 2. versions 1, 2. 3 should be tested on workpieces made of gray cast iron grade SCH18 according to GOST 1412 with a hardness of 180 ... 220 HB: cutters of type 2 version 4 - on workpieces made of steel grade 45 according to GOST 1050 with a hardness of 197 ... 207 HB. In blanks, a rectangular groove is pre-milled. equal in width to the diameter of the neck (d t * 2) mm with an allowance along the bottom of the groove 1 - 2 mm.

5.7 As a cutting fluid when working on steel, a 5% (by weight) solution of emulsol in water is used at a flow rate of 6 - 8 l / min: when working on cast iron, it should be cooled with an air stream that removes chips from the cutting zone.

5.8 Tests of cutters for performance, average and established periods of durability should be carried out in the modes indicated in table 4.

Table 4

GOST R 53004-2008

tvbpic ending 4

5.9 The total milling length during the performance test must be at least 500 mm. _

5.10_Acceptance values of the average T and the established T f of the periods of resistance must be at least: T - 68 min. T g - 28 min.

5.11 After testing for performance, the cutting edges of the cutters should not be chipped, and they should be suitable for further work.

6 Transport and storage

6.1 Transportation and storage - according to GOST 18088.

GOST R 53004-2008

Annex A (mandatory)

Information about the compliance of reference national standards with reference

international standards

Table A.1

Loose national standard designation	Designation and name of the reference international standard and symbolic designation of the degree of its compliance with the reference national standard
GOST R 52965-2008	ISO 3336-1:1996 Cylindrical shanks for milling cutters. Honor 1. Dimensions of smooth cylindrical shanks "(MOO) ISO 3336-2:2007 Cylindrical milling shanks. Honor 2. Flat Shank Sizes* (MOD) ISO 3336-3:1996 Cylindrical milling shanks. Honor 3. Dimensions of shanks with a threaded end "(MOO)
GOST 1574-91	ISO 299:1987 Machine tool tables. T-Slots and Related Bolts” (NEO)
GOST 9378-93	ISO 2632-1:1985 Roughness comparison test pieces. Part 1. Samples turned, ground, bored, milled, profiled and planed "(MOO) ISO 2632-2:1985 Roughness comparison test pieces. Part 2: Spark, Sandblast, Shot Blasting and Polished Specimens* (SEM)

GOST R 53004-2008

UDC 621.914.22:006.354 OKS 25.100.20 G23 OKP 39 1828

Key words: cutters. T-slots, plain cylindrical shanks, flat shanks, threaded shanks, Morse taper

Editor R.G. GoerDoes*ad Technical editor V.I. Prusakova Proofreader U.B. Vuchnaya Computer layout V.I. Grischenlo

Handed over and set 12/11/2006. Signed and stamped on 16.01.2009. Format $0x84"/|. Offset paper. Typeface Arial. Offset printing. Large print. l.

FSUE STANDARTINFORM. 123995 Moscow. Grenade ler.

Printed by the branch of FSUE "STANDARTINFORM" - type. Moscow printer. 105062 Moscow. Lyalin per., b

FEDERAL AGENCY
FOR TECHNICAL REGULATION AND METROLOGY

Foreword

The goals and principles of standardization in the Russian Federation are established by the Federal Law of December 27, 2002 No. 184-FZ "On Technical Regulation", and the rules for the application of national standards of the Russian Federation - GOST R 1.0-2004 "Standardization in the Russian Federation. Basic Provisions»

About the standard

1 PREPARED BY JSC VNIIINSTRUMENT Open Joint Stock Company

2 INTRODUCED by the Technical Committee for Standardization TK 95 "Tool"

3 APPROVED AND INTRODUCED BY Order No. 297-st of November 11, 2008 of the Federal Agency for Technical Regulation and Metrology

4 This part of ISO 3337:2000, ISO 3337:2000 T-slot cutters with cylindrical shanks and Morse taper shanks having tapped hole", MOD).

Information on the conformity of referenced national standards with reference international standards used in this standard as normative references is given in the appendix.

At the same time, additional provisions that take into account the needs of national standardization are given in sections , , , , , in paragraphs - , in subsection and highlighted in italics.

The name of this standard has been changed relative to the name of the specified international standard to bring it into line with GOST R 1.5-2004 (clause 3.5).

5 INTRODUCED FOR THE FIRST TIME

Information about changes to this standard is published in the annually published information index "National Standards", and the text of changes and amendments - in monthly published information signs "National Standards". In case of revision (replacement) or cancellation of this standard, a corresponding notice will be published in the monthly published information index "National Standards". Relevant information, notification and texts are also posted in the public information system- on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet

GOST R 53004-2008

NATIONAL STANDARD OF THE RUSSIAN FEDERATION

Introduction date - 2010 - 01 - 01

1 area of use

This standard applies to cutters made of high-speed steel for processing T-slots in accordance with GOST 1574.

2 Normative references

This standard uses normative references to the following standards:

Type 2 cutters are made only in execution 4 - with a Morse taper shank.

3.1.3 The main dimensions of cutters of executions 1, 2, 3 must correspond to those indicated in the figure and in the table.

Picture 1

Table 1

Dimensions in mm

d h2	d 1 , no more	d 2	l h12	L	f , no more	q, no more	Number teeth
11,0				53,5
12,5				57,0
16,0				62,0
18,0				70,0
21,0				74,0
25,0			11,0	82,0
32,0			14,0	90,0
40,0			18,0	108,0
50,0			22,0	124,0
60,0			28,0	139,0

3.1.4 The main dimensions of cutters of version 4 must correspond to those indicated in the figure and in the table.

Figure 2

Table 2

Dimensions in mm

T-slot	d h 12	d 1 no more	l	L	f , no more	q, no more	Cone morse	Number of teeth for cutter types
T-slot	d h 12	d 1 no more	l	L	f , no more	q, no more	Cone morse
	12,5
	16,0
	18,0
	21,0
	25,0
	32,0
	40,0
	50,0
	60,0
	72,0
	85,0
	95,0

An example of a symbol for a type 1 cutter, version 1, with a nominal slot size of 6 mm:

Mill 1 - 1 - 6 GOST R 53004-2008

The same, execution 2:

Mill 1 - 2 - 6 GOST R 53004-2008

The same, execution 3:

Cutter 1 - 3 - 6 GOST R 53004-2008

The same, versions 4:

Cutter 1 - 4 - 6 GOST R 53004-2008

The same, cutters of type 2, version 4, with a nominal slot size of 12 mm:

Cutter 2 - 4 - 12 GOST R 53004-2008

3.1.6 Dimensions of Morse cones - according to GOST 25557.

3.1.7Center holes - according to GOST 14034.

3.2.2Mills should be made welded. At the place of welding, shells, lack of penetration, arson and burnout of metal, ring cracks and fistulas are not allowed.

Cutters of executions 1, 2, 3 for grooves with a nominal size up to 12 mm inclusive can be made in one piece.

3.2.3Shanks of welded cutters should be made of steel grade 40X according to GOST 4543 or steel grade 45 according to GOST 1050.

3.2.4 The hardness of the working part of the cutters should be 63. . .66HRC.

The hardness of the working part of cutters made of high-speed steel with a vanadium content of at least 3% and cobalt of at least 5% should be higher by 1 - 2 HRC units.

The hardness of the cylindrical shank of solid (non-welded) cutters should be 37.. .57HRC.

The hardness of the cylindrical shank of welded cutters in a section of at least 1/2 of the length from the end of the shank and the end part of the tapered shank should be 32. . .52HRC.

3.2.5On the working surface of the cutters there should not be a decarburized layer and places with reduced hardness.

3.2.6There should be no cracks, traces of corrosion on the surface of the cutters; on polished surfaces - black chips, crumbled places; on the cutting edges - nicks, burns; on the shank and center holes - burrs.

Table 3

In millimeters

4 Acceptance rules

5.5 Milling cutters should be tested on general and special-purpose milling machines that meet the standards of accuracy and rigidity established for them.

5.6 Milling cutters of types 1, 2, versions 1, 2, 3 should be tested on workpieces made of gray cast iron grade SCh 18 according to GOST 1412 with a hardness of 180...220 HB; cutters type 2 version 4- on blanks made of steel grade 45 according to GOST 1050 with a hardness of 197 ... 207 HB. In blanks, a rectangular groove is pre-milled, equal in width to the diameter of the neck(d 1 + 2) mm with allowance on the bottom of the groove 1- 2 mm.

5.7 As a cutting fluid when working on steel, a 5% (by mass) solution of emulsol in water is used with a flow rate of 6- 8 l/min; when working on cast iron, it should be cooled with a jet of air that removes chips from the cutting zone.

5.8 Tests of milling cutters for performance, average and established periods of durability should be carried out in the modes indicated in the table.

Table 4

d, mm

Cutting speed, m/min

Feed per tooth, mm/tooth

during processing

cast iron

during processing

become

during processing

cast iron

during processing

become

11,0

0,03

12,5

16,0

0,05

18,0

0,05

0,03

21,0

25,0

0,05

32,0

40,0

50,0

0,08

60,0

72,0

85,0

international standards

Table A.1

Reference notation national standard	Designation and name of the reference international standard and conditional designation of the degree of its compliance with the reference national standard
	ISO 3338-1:1996 Cylindrical milling shanks. Part 1: Dimensions of Plain Shanks (MOD) ISO 3338-2:2007 Cylindrical shanks for milling cutters. Part 2: Flattened Cylindrical Shank Dimensions (MOD) ISO 3338-3:1996 Cylindrical milling shanks. Part 3. Dimensions of threaded end shanks" ( MOD)
	ISO 299:1987 Machine tool tables. T-slots and corresponding bolts" ( NEQ)
	ISO 2632-1:1985 Roughness comparison test pieces. Part 1. Samples turned, ground, bored, milled, profiled and planed "(MOD) ISO 2632-2:1985 Roughness comparison test pieces. Part 2: Specimens subjected to electric spark, sand blasting, shot blasting and polishing” (MOD)