Bench hammer 7850 0101 GOST 2310 77. Control and testing methods

GOST 2310-77

INTERSTATE STANDARD

STEEL WORKSHOP HAMMERS

TECHNICAL CONDITIONS

Official publication

Standardinform

to GOST 2310-77 Steel metalworking hammers. Specifications [see Reprint (May 1992) with changes No. 1, 2, 3, 4; Editions (May 2001) and (July 2005) with changes No. 1, 2, 3, 4]

(IUS No. 12 of 2005)

UDC 621.972.35:006.354

Group G24 7850-0100

INTERSTATE STANDARD

STEEL WORKSHOP HAMMERS

Specifications

Steel bench hammers. Specifications

MKS 25.140.30 OKP 39 2621

Date of introduction 01/01/80

This standard applies to metalworker's steel hammers weighing from 0.05 to 1.00 kg, manufactured for the needs of the national economy and export.

This standard does not apply to steel construction hammers.

1. TYPES AND MAIN DIMENSIONS

1.1. Hammers must be made of the following types:

1 - with a round striker;

2 - with a square striker;

3 - with a round striker and a spherical toe.

1.2. The main dimensions of type 1 hammers must correspond to those indicated in Fig. 1 and in table. 1, type 2 - to hell. 2 and in table. 2, type 3 - to hell. 3 and in table. 3.


Crap. 1

Official publication Reproduction prohibited

© Standards Publishing House, 1978 © Standartinform, 2005

Table 1

Type 1 hammer designations

Nominal weight of heads

MOLOTKOV, KG

with handle version 1

with handle version 2

with handle version 3

Prev. off

C, no more

An example of a symbol for a type 1 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer 7850-0101 Ts 15.hr GOST2310-77


1 - hammer head; 2 - handle; 3 - wedge

Dimensions, mm

table 2

Continuation of the table. 2

An example of a symbol for a type 2 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer 7850-0116TS 15.hr GOST2310-77


1 - hammer head; 2 - handle; 3 - wedge

Dimensions, mm

Table 3

Type 3 hammer designations

Nominal weight of heads

MOLOTKOV, KG

with handle version 1

with handle version 2

with handle version 3

Prev. off

C, no more

An example of a symbol for a type 3 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

1.3. The main dimensions of hammer heads (item 1) of type 1 must correspond to those indicated in Fig. 4 and in table. 4; type 2 - to hell. 5 and in table. 5; type 3 - to hell, beat table. 6.

Dimensions, mm

Table 4

Type 1 hammer head designations

An example of a symbol for a type 1 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Dimensions, mm

Table 5

Type 2 hammer head designations

Nominal weight of hammer heads, kg

An example of a symbol for a type 2 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Dimensions, mm

Table 6

Type 3 hammer head designations

Nominal weight of hammer heads, kg

An example of a symbol for a type 3 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer head 7850-0132/001 Ts 15.hr GOST 2310-77

1.2, 1.3. (Changed edition, Amendment No. 4).

1.4. Maximum deviations in the dimensions of hammer heads are no more than class 2 according to GOST 7505, and the requirements of clause 2.4 of this standard must be met.

1.5. The main dimensions of the handles (item 2) must correspond to those indicated in the drawing. 7 and in table. 7.

Version 1

Note. It is possible to manufacture handles of other ergonomically convenient shapes.

Dimensions, mm

Table 7

Handle designations

Nominal weight of hammer heads, kg

version 1

performance 2

performance 3

Continuation of the table. 7

Handle designations

version 1

performance 2

performance 3

An example of a designation for a handle of version 1 for a hammer head weighing 0.20 kg:

Handle 7850-0116/002 GOST2310-77 (Changed edition, Amendment No. 4).

1.6. Maximum deviations of handle sizes are according to the 18th grade of GOST 6449.1.

1.2-1.6. (Changed edition, Amendment No. 1).

1.7. The design and dimensions of the hammers and wedge parts are indicated in the appendix.

2. TECHNICAL REQUIREMENTS

2.1. Bench hammers and their parts must be manufactured in accordance with the requirements of this standard according to working drawings approved in the prescribed manner.

2.2. Hammer parts must be made of the following materials:

hammer heads - made of steel grade 50 in accordance with GOST 1050 or steel grade U7 in accordance with GOST 1435, or steel of other grades that are not inferior in mechanical properties in the heat-treated state to steels of the indicated grades. Hammer heads are not allowed to be made cast;

wedges - made of steel grade StZ according to GOST 380 or from steel of other grades that are not inferior in mechanical properties to StZ.

It is allowed to make wedges from hardwood of the 1st grade according to GOST

handles made of hornbeam, maple, rowan, dogwood, ash, 1st grade birch, oak, beech, according to GOST 2695 or from synthetic materials that ensure operational strength and reliability in operation.

2.3. The working surfaces of the hammer head (head and toe) must have a hardness of 50.5 ... 57 HRC 3 in a layer at least 5 mm deep and at a distance from the ends of the hammer and toe no more than Vs of the total length of the hammer head.

(Changed edition, Amendment No. 1).

2.4. Maximum deviations from the nominal weight of the hammer head up to 0.10 kg should not exceed ±12%, over 0.10 kg - ±7%.

2.5. (Deleted, Amendment No. 3).

2.6. The tolerance for symmetry of the axis of the hole of the hammer head relative to the axis of symmetry for a hammer weighing up to 0.2 kg is no more than 0.3 mm, weighing from 0.4 to 1.0 kg is no more than 0.5 mm.

(Changed edition, Amendment No. 1).

2.7. Surface roughness parameters according to GOST 2789 should not be more than those indicated in the table. 8, and the outer surfaces of the handles should not be more than Rz 100 microns according to GOST 7016.

Table 8

(Changed edition, Amendment No. 3).

2.8. (Deleted, Amendment No. 3).

2.9. Hammer heads must have one of the protective and decorative coatings indicated in table. 10.

Table 10*

Group of operating conditions according to GOST 9.303

Name of coatings

Designation

according to GOST 9.306

according to GOST 9.032

Oxide with oiling

Chem. ok. prm

Phosphate with oiling

Chem. Phos. prm

Chrome 9 microns thick

Oxide or phosphate, followed by painting with nitro-enamel NTs-25 or nitroglyphthalic enamel NTs-132 of various grades according to class III and applying colorless nitrocellulose varnish AV-4D/v to the lightened surface of the striker and toe

Enamel NTs-25, Enamel NTs-132 various. color.

GOST 5406, III, varnish AB-4D/v

Zinc 15 microns thick chromated

Chrome 1 micron thick with a nickel sublayer 12 microns thick, applied electrolytically

Phosphate, followed by painting the surfaces with pentaphthalic enamel PF-115 or nitroglyphthalic enamel NTs-132 in different colors according to class III and applying polyacrylate varnish AK-113 to the lightened surfaces of the striker and toe

Enamel PF-115, Enamel NTs-132 various. color.

GOST 6631, III, varnish AK-113

Cadmium 21 microns thick, chromated

Chrome 1 micron thick with an electrolytically applied nickel sublayer 14 microns and 7 microns thick (double nickel plating)

Notes:

1. It is allowed, by agreement with the consumer, to use other metallic and non-metallic coatings in accordance with GOST 9.306 and GOST 9.032, whose protective and decorative properties are not inferior to those indicated in the table. 10.

2. Hammers produced for sale through a retail distribution network must have protective and decorative coatings of at least group 2 operating conditions according to GOST 9.303.

At the request of trading organizations, it is allowed to use oxide and phosphate coatings on hammer heads with oil.

3. For paint, oxide and phosphate coatings, the spherical surface of the striker, the cylindrical and spherical surfaces of the toe of the hammer heads must be lightened.

(Changed edition, Amendment No. 1, 2, 3).

2.10. The quality of hammer coatings must comply with GOST 9.301 and GOST 9.032.

2.11. The surface of wooden handles must be impregnated with drying oil in accordance with GOST 7931, GOST 190 or covered with colorless varnish (nitrovarnish in accordance with GOST 4976).

2.10, 2.11. (Changed edition, Amendment No. 3).

2.12. (Deleted, Amendment No. 3). *

* Table 9. (Deleted, Amendment No. 3).

2.13. The connection of the hammer head with the handle must be reliable and withstand force, N, not less for hammers weighing:

up to 100 g - 400;

ev. 100 to 400 g - 2000;

ev. 400 to 700 g - 4000;

ev. 700 -6000.

Cracks on the handles due to wedging outside the head hole are not allowed.

Note. Until 01/01/92, in the connection of the hammer head with the handle, a tightening force of at least 490 N is allowed - for hammers with a head weight of up to 0.30 kg and 980 N - for hammers with a head weight from 0.40 to 1.0 kg.

(Changed edition, Amendment No. 3, 4).

2.14. The following must be clearly marked on the hammer head:

1) trademark of the manufacturer;

2) nominal hammer weight, kg;

3) price for hammers manufactured for retail sale through a distribution network.

It is allowed to additionally apply a colorful sign (emblem) of the manufacturer to the hammer handle.

2.15. Internal packaging of hammers - VU-1, VU-2, VU-3, VU-7 according to GOST 9.014.

2.16. Other requirements for labeling and packaging of transport and consumer packaging are in accordance with GOST 18088.

2.14-2.16. (Introduced additionally, Amendment No. 3).

3. ACCEPTANCE

Acceptance of hammers - according to GOST 26810.

Sec. 3. (Changed edition, Amendment No. 1, 3).

4. CONTROL AND TEST METHODS

4.1. The dimensions and roughness of surfaces are controlled by universal or special measuring instruments.

4.2. The hardness of the working parts of the hammer is checked according to GOST 9013.

4.3. The quality of galvanic coatings is controlled according to GOST 9.301, paint coatings - according to GOST 9.032.

4.4. The appearance of protective and decorative coatings is checked by inspection.

4.5. The strength of the connection between the hammer head and the handle is tested by uniformly increasing load with the forces specified in clause 2.13. The load is applied in the direction of the axis of the hammer handle and controlled with a dynamometer or calibrated load, while displacement of the hammer head relative to the handle is not allowed.

(Changed edition, Amendment No. 3).

4.6. The strength of hammers is determined by three times a strong shoulder blow on a steel plate with a thickness of at least 5 mm placed on an anvil, heat-treated to a hardness of 34. . . 41.5 HRC 3.

After testing, all parts of the hammers should be free of cracks, chips, kinks, and dents.

4.7. The moisture content of wood handles is measured according to GOST 16588 or with a moisture meter according to GOST 29027.

(Introduced additionally, Amendment No. 1).

5. TRANSPORTATION AND STORAGE

Transportation and storage - according to GOST 18088.

Sec. 5. (Changed edition, Amendment No. 3).

6. MANUFACTURER WARRANTY

6.1. The manufacturer must ensure that the hammers comply with the requirements of this standard if the consumer complies with the transportation conditions.

6.2. The warranty period is 6 months from the date of sale of the hammers through the retail network, and for off-market consumption - from the date of receipt by the consumer.

DESIGN DIMENSIONS OF HAMMER PARTS

Type 1 hammer head

(Figure 1, Table 1).


Dimensions, mm

Table 1

Nominal weight of hammer heads, kg

Type 2 hammer head

(Figure 2, Table 2)


Dimensions, mm

table 2

Nominal weight of hammer heads, kg

(Figure 3, Table 3)


Dimensions, mm

Table 3

Nominal weight of hammer heads, kg

(Figure 4, Table 4)

Version 1

Version Z


Dimensions, mm

Table 4

Nominal weight of hammer heads, kg

(Figure 5, Table 5)


Table 5

Dimensions, mm

Nominal weight of hammer heads, kg

Quantity

(Figure 6, Table 6)

Dimensions, mm

Table 6

Nominal weight of hammer heads, kg

(Figure 7, Table 7) Type 3

Dimensions, mm

Table 7

Nominal weight of hammer heads, kg

(Changed edition, Amendment No. 1)

INFORMATION DATA

1. DEVELOPED AND INTRODUCED by the Ministry of Machine Tool and Tool Industry

2. APPROVED AND ENTERED INTO EFFECT by Resolution of the State Committee of Standards of the Council of Ministers of the USSR dated December 28, 1977 No. 3097

3. INSTEAD GOST 2310-70

4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS

Number of item, section

Number of item, section

GOST 9.014-78

GOST 5406-84

GOST 9.032-74

GOST 6449.1-82

GOST 9.301-86

GOST 6631-74

GOST 9.303-84

GOST 7016-82

GOST 9.306-85

GOST 7505-89

GOST 7931-76

GOST 9013-59

GOST 1050-88

GOST 16588-91

GOST 1435-99

GOST 18088-83

2.16; section 5

GOST 2695-83

GOST 26810-86

GOST 2789-73

GOST 29027-91

GOST 4976-83

5. The validity period was lifted according to Protocol No. 4-93 of the Interstate Council for Standardization, Metrology and Certification (IUS 4-94)

6. EDITION (July 2005) with Amendments No. 1, 2, 3, 4, approved in June 1986, September 1987, May 1988, February 1990 (IUS 9-86, 1-88 , 8-88, 5-90)

Editor L.V. Koretnikova Technical editor O.N. Vlasova Corrector R.A. Mentova Computer layout L.A. Circular

Signed for publication on August 15, 2005. Format 60x84*/&. Offset paper. Times typeface. Offset printing. Uel. oven l. 2.32. Academic ed. l. 1.70. Circulation 70 copies. Zach. 586. Since 1640.

FSUE “Standartinform”, 123995 Moscow, Granatny per., 4. Typed in IPC Publishing house of standards on PC

Printed in the branch of FSUE "Standardinform" - type. "Moscow Printer", 105062 Moscow, Lyalin lane, 6.

GOST 2310-77

INTERSTATE STANDARD

STEEL WORKSHOP HAMMERS

TECHNICAL CONDITIONS

Moscow

Standardinform

INTERSTATE STANDARD

Date of introduction 01/01/80

This standard applies to metalworker's steel hammers weighing from 0.05 to 1.00 kg, manufactured for the needs of the national economy and export.

This standard does not apply to steel construction hammers.

1. TYPES AND MAIN DIMENSIONS

1.1. Hammers must be made of the following types:

1 - with a round striker;

2 - with a square striker;

3 - with a round striker and a spherical toe.

1.2. The main dimensions of type 1 hammers must correspond to those indicated in Fig. 1 and in table. 1, type 2 - to hell. 2 and in table. 2, type 3 - to hell. 3 and in table. 3.

Type 1

1 - hammer head; 2 - handle; 3 - wedge

Table 1

Dimensions, mm

Type 1 hammer designations

Applicability

C, no more

with handle version 1

with handle version 2

with handle version 3

Prev. off

An example of a symbol for a type 1 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer 7850-0101 Ts 15.hr GOST 2310-77

Type 2

1 - hammer head; 2 - handle; 3 - wedge

table 2

Dimensions, mm

Type 2 hammer designations

Applicability

Nominal weight of hammer heads, kg

C, no more

with handle version 1

with handle version 2

with handle version 3

Prev. off

An example of a symbol for a type 2 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer 7850-0116 Ts 15.hr GOST 2310-77

Type 3

1 - hammer head; 2 - handle; 3 - wedge

Table 3

Dimensions, mm

Type 3 hammer designations

Applicability

Nominal weight of hammer heads, kg

C, no more

with handle version 1

with handle version 2

with handle version 3

Prev. off

An example of a symbol for a type 3 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer 7850-0132 Ts 15.hr GOST 2310-77

1.3. The main dimensions of hammer heads (item 1) of type 1 must correspond to those indicated in Fig. 4 and in table. 4; type 2 - to hell. 5 and in table. 5; type 3 - to hell. 6 and in table. 6.

Type 1

Table 4

Dimensions, mm

Type 1 hammer head designations

Nominal weight of hammer heads, kg

An example of a symbol for a type 1 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer head 7850-0101/001 Ts 15.hr GOST 2310-77

Type 2

Table 5

Dimensions, mm

Type 2 hammer head designations

Nominal weight of hammer heads, kg

An example of a symbol for a type 2 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer head 7850-0116/001 Ts 15.hr GOST 2310-77

Type 3

Table 6

Dimensions, mm

Type 3 hammer head designations

Nominal weight of hammer heads, kg

An example of a symbol for a type 3 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer head 7850-0132/001 Ts 15.hr GOST 2310-77

1.2, 1.3.

1.4. Maximum deviations in the dimensions of hammer heads are no more than class 2 according to GOST 7505, and the requirements of clause 2.4 of this standard must be met.

1.5. The main dimensions of the handles (item 2) must correspond to those indicated in the drawing. 7 and in table. 7.

Note. It is possible to manufacture handles of other ergonomically convenient shapes.

Table 7

Dimensions, mm

Handle designations

Nominal weight of hammer heads, kg

version 1

performance 2

performance 3

-

-

-

-

-

-

-

-

Handle designations

B 5

version 1

performance 2

performance 3

(Amendment, IUS 12-2005).

An example of a designation for a handle of version 1 for a hammer head weighing 0.20 kg:

Handle 7850-0116/002 GOST 2310-77

(Changed edition, Amendment No. 4).

1.6. Maximum deviations of handle sizes are according to the 18th qualification GOST 6449.1.

1.2 - 1.6. (Changed edition, Amendment No. 1).

1.7. The design and dimensions of the hammers and wedge parts are indicated in the appendix.

2. TECHNICAL REQUIREMENTS

2.1. Bench hammers and their parts must be manufactured in accordance with the requirements of this standard according to working drawings approved in the prescribed manner.

2.2. Hammer parts must be made of the following materials:

hammer heads are made of steel grade 50 according to GOST 1050 or steel grade U7 according to GOST 1435, or steel of other grades that are not inferior in mechanical properties in the heat-treated state to steels of the indicated grades. Hammer heads may not be made cast;

wedges - made of steel grade St3 according to GOST 380 or from steel of other grades that are not inferior in mechanical properties to St3.

It is allowed to make wedges from hardwood of the 1st grade according to GOST 2695;

handles made of hornbeam, maple, rowan, dogwood, ash, 1st grade birch, oak, beech, according to GOST 2695 or from synthetic materials that ensure operational strength and reliability.

2.3. The working surfaces of the hammer head (head and toe) must have a hardness of 50.5 ... 57 HRC e in a layer at least 5 mm deep and at a distance from the ends of the hammer and toe no more than 1/5 of the total length of the hammer head.

(Changed edition, Amendment No. 1).

2.4. Maximum deviations from the nominal weight of the hammer head up to 0.10 kg should not exceed ±12%, over 0.10 kg - ±7%.

2.5. (Deleted, Amendment No. 3).

2.6. The tolerance for symmetry of the axis of the hole of the hammer head relative to the axis of symmetry for a hammer weighing up to 0.2 kg is no more than 0.3 mm, weighing from 0.4 to 1.0 kg is no more than 0.5 mm.

(Changed edition, Amendment No. 1).

2.7. Surface roughness parameters according to GOST 2789 should not be more than those indicated in the table. 8, and the outer surfaces of the handles should not be more than Rz 100 microns according to GOST 7016.

Table 8

(Changed edition, Amendment No. 3).

2.8. (Deleted, Rev.№ 3).

2.9. Hammer heads must have one of the protective and decorative coatings indicated in table. 10.

Table 10 *

Group of operating conditions according to GOST 9.303

Name of coatings

Designation

according to GOST 9.306

according to GOST 9.032

Oxide with oiling

Chem. okc. prm

Phosphate with oiling

Chem. Phos. prm

Chrome 9 microns thick

Oxide or phosphate, followed by painting with nitro-enamel NTs-25 or nitroglyphthalic enamel NTs-132 in different colors according to class III and applying colorless nitrocellulose varnish AB-4D/v to the lightened surface of the striker and toe

Enamel NTs-25, Enamel NTs-132 various. color. GOST 5406, III, varnish AB-4D/v

Zinc 15 microns thick chromated

Chrome 1 micron thick with a nickel sublayer 12 microns thick, applied electrolytically

Phosphate, followed by painting the surfaces with pentaphthalic enamel PF-115 or nitroglyphthalic enamel NTs-132 in different colors according to class III and applying polyacrylate varnish AK-113 to the lightened surfaces of the striker and toe

Chem. Phos. Enamel PF-115, Enamel NTs-132 various. color. GOST 6631, III, varnish AK-113

Cadmium 21 microns thick, chromated

Chrome 1 micron thick with an electrolytically applied nickel sublayer 14 microns and 7 microns thick (double nickel plating)

Notes:

1. It is allowed, by agreement with the consumer, to use other metallic and non-metallic coatings in accordance with GOST 9.306 and GOST 9.032, whose protective and decorative properties are not inferior to those indicated in the table. 10.

2. Hammers produced for sale through a retail distribution network must have protective and decorative coatings of at least group 2 operating conditions according to GOST 9.303.

At the request of trading organizations, it is allowed to use oxide and phosphate coatings on hammer heads with oil.

3. For paint, oxide and phosphate coatings, the spherical surface of the striker, the cylindrical and spherical surfaces of the toe of the hammer heads must be lightened.

(Changed edition, Amendment No. 1, 2, 3).

* Table 9. (Deleted, Amendment No. 3).

2.10. The quality of hammer coatings must comply with GOST 9.301 and GOST 9.032.

2.11. The surface of wooden handles must be impregnated with drying oil in accordance with GOST 7931, GOST 190 or covered with colorless varnish (nitrovarnish in accordance with GOST 4976).

2.10, 2.11. (Changed edition, Amendment No. 3).

2.12. (Deleted, Amendment No. 3).

2.13. The connection of the hammer head with the handle must be reliable and withstand force, H, not less for hammers weighing:

up to 100 g - 400;

St. 100 to 400 g - 2000;

St. 400 to 700 g - 4000;

St. 700 - 6000.

Cracks on the handles due to wedging outside the head hole are not allowed.

Note. Until 01/01/92, in the connection of the hammer head with the handle, a tightening force of at least 490 N is allowed - for hammers with a head weight of up to 0.30 kg and 980 N - for hammers with a head weight from 0.40 to 1.0 kg.

(Changed edition, Amendment No. 3, 4).

2.14. The following must be clearly marked on the hammer head:

1) trademark of the manufacturer;

2) nominal hammer weight, kg;

3) price for hammers manufactured for retail sale through a distribution network.

It is allowed to additionally apply a colorful sign (emblem) of the manufacturer to the hammer handle.

2.15. Internal packaging of hammers - VU-1, VU-2, VU-3, VU-7 according to GOST 9.014.

2.16. Other requirements for labeling and packaging of transport and consumer packaging are in accordance with GOST 18088.

2.14 - 2.16. (Introduced additionally, Amendment No. 3).

3. ACCEPTANCE

Acceptance of hammers - according to GOST 26810.

Sec. 3. (Changed edition, Amendment No. 1, 3).

4. CONTROL AND TEST METHODS

4.1. The dimensions and roughness of surfaces are controlled by universal or special measuring instruments.

4.2. The hardness of the working parts of the hammer is checked according to GOST 9013.

4.3. The quality of galvanic coatings is controlled according to GOST 9.301, paint coatings - according to GOST 9.032.

4.4. The appearance of protective and decorative coatings is checked by inspection.

4.5. The strength of the connection between the hammer head and the handle is tested by uniformly increasing load with the forces specified in clause 2.13. The load is applied in the direction of the axis of the hammer handle and controlled with a dynamometer or calibrated load, while displacement of the hammer head relative to the handle is not allowed.

(Changed edition, Amendment No. 3).

4.6. The strength of hammers is determined by three times a strong shoulder blow on a steel plate with a thickness of at least 5 mm placed on an anvil, heat-treated to a hardness of 34 ... 41.5 HRC e.

After testing, all parts of the hammers should be free of cracks, chips, kinks, and dents.

4.7. The moisture content of the wood handles is measured according to GOST 16588 or with a moisture meter according to GOST 29027.

(Introducedadditionally, Rev. No. 1).

5. TRANSPORTATION AND STORAGE

Transportation and storage - according to GOST 18088.

Sec. 5. (Changed edition, Amendment No. 3).

6. MANUFACTURER WARRANTY

6.1. The manufacturer must ensure that the hammers comply with the requirements of this standard if the consumer complies with the transportation conditions.

6.2. The warranty period is 6 months from the date of sale of the hammers through the retail network, and for off-market consumption - from the date of receipt by the consumer.

DESIGN DIMENSIONS OF HAMMER PARTS

Type 1 hammer head

(Figure 1, Table 1).

Table 1

Dimensions, mm

Nominal weight of hammer heads, kg

Type 2 hammer head

(Figure 2, Table 2)

table 2

Dimensions, mm

Nominal weight of hammer heads, kg

Type 3 hammer head

(Figure 3, Table 3)

Table 3

Dimensions, mm

Nominal weight of hammer heads, kg

Hammer handle

(Figure 4, Table 4)

Table 4

Dimensions, mm

Nominal weight of hammer heads, kg

INTERSTATE STANDARD

STEEL WORKSHOP HAMMERS

TECHNICAL CONDITIONS

Moscow

Standardinform

INTERSTATE STANDARD

Date of introduction 01/01/80

This standard applies to metalworker's steel hammers weighing from 0.05 to 1.00 kg, manufactured for the needs of the national economy and export.

This standard does not apply to steel construction hammers.

(Changed edition, Amendment No. 1).

1. TYPES AND MAIN DIMENSIONS

1.1. Hammers must be made of the following types:

1 - with a round striker;

2 - with a square striker;

3 - with a round striker and a spherical toe.

1.2. The main dimensions of type 1 hammers must correspond to those indicated in Fig. 1 and in table. 1, type 2 - to hell. 2 and in table. 2, type 3 - to hell. 3 and in table. 3.

Type 1

1 - hammer head; 2 - handle; 3 - wedge

Table 1

Dimensions, mm

Type 1 hammer designations

Applicability

C, no more

with handle version 1

with handle version 2

with handle version 3

Prev. off

An example of a symbol for a type 1 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Type 2

1 - hammer head; 2 - handle; 3 - wedge

table 2

Dimensions, mm

Type 2 hammer designations

Applicability

Nominal weight of hammer heads, kg

C, no more

with handle version 1

with handle version 2

with handle version 3

Prev. off

An example of a symbol for a type 2 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Type 3

1 - hammer head; 2 - handle; 3 - wedge

Table 3

Dimensions, mm

Type 3 hammer designations

Applicability

Nominal weight of hammer heads, kg

C, no more

with handle version 1

with handle version 2

with handle version 3

Prev. off

An example of a symbol for a type 3 hammer with a handle of type 1, a head weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

1.3. The main dimensions of hammer heads (item 1) of type 1 must correspond to those indicated in Fig. 4 and in table. 4; type 2 - to hell. 5 and in table. 5; type 3 - to hell. 6 and in table. 6.

Type 1

Table 4

Dimensions, mm

Type 1 hammer head designations

An example of a symbol for a type 1 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer head 7850-0101/001 Ts 15.hr GOST 2310-77

Type 2

Table 5

Dimensions, mm

Type 2 hammer head designations

Nominal weight of hammer heads, kg

An example of a symbol for a type 2 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer head 7850-0116/001 Ts 15.hr GOST 2310-77

Type 3

Table 6

Dimensions, mm

Type 3 hammer head designations

Nominal weight of hammer heads, kg

An example of a symbol for a type 3 hammer head, weighing 0.20 kg, with a zinc coating 15 microns thick, chromated:

Hammer head 7850-0132/001 Ts 15.hr GOST 2310-77

1.2, 1.3. (Changed edition, Amendment No. 4).

1.4. Maximum deviations in the dimensions of hammer heads are no more than class 2 according to GOST 7505, and the requirements of clause 2.4 of this standard must be met.

1.5. The main dimensions of the handles (item 2) must correspond to those indicated in the drawing. 7 and in table. 7.

Note. It is possible to manufacture handles of other ergonomically convenient shapes.

Table 7

Dimensions, mm

Handle designations

Nominal weight of hammer heads, kg

version 1

performance 2

performance 3

-

-

-

-

-

-

-

-

Handle designations

B 5

version 1

performance 2

performance 3

(Changed edition, Amendment No. 4).

1.6. Maximum deviations of handle sizes are according to the 18th qualification GOST 6449.1.

1.2 - 1.6.

1.7. The design and dimensions of the hammers and wedge parts are indicated in the appendix.

2. TECHNICAL REQUIREMENTS

2.1. Bench hammers and their parts must be manufactured in accordance with the requirements of this standard according to working drawings approved in the prescribed manner.

2.2. Hammer parts must be made of the following materials:

hammer heads are made of steel grade 50 according to GOST 1050 or steel grade U7 according to GOST 1435, or steel of other grades that are not inferior in mechanical properties in the heat-treated state to steels of the specified grades. Hammer heads are not allowed to be made cast;

wedges - made of steel grade St3 according to GOST 380 or from steel of other grades that are not inferior in mechanical properties to St3.

It is allowed to make wedges from hardwood of the 1st grade according to GOST 2695;

handles made of hornbeam, maple, rowan, dogwood, ash, 1st grade birch, oak, beech, according to GOST 2695 or from synthetic materials that ensure operational strength and reliability in operation.

2.3. The working surfaces of the hammer head (head and toe) must have a hardness of 50.5 ... 57 HRC e in a layer at least 5 mm deep and at a distance from the ends of the hammer and toe no more than 1/5 of the total length of the hammer head.

(Changed edition, Amendment No. 1).

2.4. Maximum deviations from the nominal weight of the hammer head up to 0.10 kg should not exceed ±12%, over 0.10 kg - ±7%.

2.5. (Deleted, Amendment No. 3).

2.6. The tolerance for symmetry of the axis of the hole of the hammer head relative to the axis of symmetry for a hammer weighing up to 0.2 kg is no more than 0.3 mm, weighing from 0.4 to 1.0 kg is no more than 0.5 mm.

(Changed edition, Amendment No. 1).

2.7. Surface roughness parameters according to GOST 2789 should not be more than those indicated in the table. 8, and the outer surfaces of the handles should not be more than Rz 100 microns according to GOST 7016.

Table 8

(Changed edition, Amendment No. 3).

2.8. (Deleted, Rev.№ 3).

2.9. Hammer heads must have one of the protective and decorative coatings indicated in table. 10.

Table 10 *

Group of operating conditions according to GOST 9.303

Name of coatings

Designation

Oxide with oiling

Chem. okc. prm

Phosphate with oiling

Chem. Phos. prm

Chrome 9 microns thick

Oxide or phosphate, followed by painting with nitro enamel NTs-25 or nitroglyphthalic enamel NTs-132 in different colors according to class III and applying colorless nitrocellulose varnish AB-4D/v to the lightened surface of the striker and toe

Enamel NTs-25, Enamel NTs-132 various. color. GOST 5406, III, varnish AB-4D/v

Zinc 15 microns thick chromated

Chrome 1 micron thick with a nickel sublayer 12 microns thick, applied electrolytically

Phosphate, followed by painting the surfaces with pentaphthalic enamel PF-115 or nitroglyphthalic enamel NTs-132 in different colors according to class III and applying polyacrylate varnish AK-113 to the lightened surfaces of the striker and toe

Chem. Phos. Enamel PF-115, Enamel NTs-132 various. color. GOST 6631, III, varnish AK-113

Cadmium 21 microns thick, chromated

Chrome 1 micron thick with an electrolytically applied nickel sublayer 14 microns and 7 microns thick (double nickel plating)

Notes:

1. It is allowed, by agreement with the consumer, to use other metallic and non-metallic coatings in accordance with GOST 9.306 and GOST 9.032, whose protective and decorative properties are not inferior to those indicated in the table. 10.

2. Hammers produced for sale through a retail distribution network must have protective and decorative coatings of at least group 2 operating conditions according to GOST 9.303.

At the request of trading organizations, it is allowed to use oxide and phosphate coatings on hammer heads with oil.

3. For paint, oxide and phosphate coatings, the spherical surface of the striker, the cylindrical and spherical surfaces of the toe of the hammer heads must be lightened.

(Changed edition, Amendment No. 1, 2, 3).

* Table 9. (Deleted, Amendment No. 3).

2.10. The quality of hammer coatings must comply with GOST 9.301 and GOST 9.032.

2.11. The surface of wooden handles must be impregnated with drying oil in accordance with GOST 7931, GOST 190 or covered with colorless varnish (nitrovarnish in accordance with GOST 4976).

2.10, 2.11. (Changed edition, Amendment No. 3).

2.12. (Deleted, Amendment No. 3).

2.13. The connection of the hammer head with the handle must be reliable and withstand force, H, not less for hammers weighing:

up to 100 g - 400;

St. 100 to 400 g - 2000;

St. 400 to 700 g - 4000;

St. 700 - 6000.

Cracks on the handles due to wedging outside the head hole are not allowed.

Note. Until 01/01/92, in the connection of the hammer head with the handle, a tightening force of at least 490 N is allowed - for hammers with a head weight of up to 0.30 kg and 980 N - for hammers with a head weight from 0.40 to 1.0 kg.

(Changed edition, Amendment No. 3, 4).

2.14. The following must be clearly marked on the hammer head:

1) trademark of the manufacturer;

2) nominal hammer weight, kg;

3) price for hammers manufactured for retail sale through a distribution network.

It is allowed to additionally apply a colorful sign (emblem) of the manufacturer to the hammer handle.

2.15. Internal packaging of hammers - VU-1, VU-2, VU-3, VU-7 according to GOST 9.014.

2.16. Other requirements for labeling and packaging of transport and consumer packaging are in accordance with GOST 18088.

2.14 - 2.16. (Introduced additionally, Amendment No. 3).

3. ACCEPTANCE

Sec. 3. (Changed edition, Amendment No. 1, 3).

4. CONTROL AND TEST METHODS

4.1. The dimensions and roughness of surfaces are controlled by universal or special measuring instruments.

4.2. The hardness of the working parts of the hammer is checked according to GOST 9013.

4.3. The quality of galvanic coatings is controlled according to GOST 9.301, paint coatings - according to GOST 9.032.

4.4. The appearance of protective and decorative coatings is checked by inspection.

4.5. The strength of the connection between the hammer head and the handle is tested by uniformly increasing load with the forces specified in clause 2.13. The load is applied in the direction of the axis of the hammer handle and controlled with a dynamometer or calibrated load, while displacement of the hammer head relative to the handle is not allowed.

(Changed edition, Amendment No. 3).

4.6. The strength of hammers is determined by three times a strong shoulder blow on a steel plate with a thickness of at least 5 mm placed on an anvil, heat-treated to a hardness of 34 ... 41.5 HRC e.

After testing, all parts of the hammers should be free of cracks, chips, kinks, and dents.

4.7. The moisture content of the wood handles is measured according to GOST 16588 or with a moisture meter according to GOST 29027.

(Introducedadditionally, Rev. No. 1).

5. TRANSPORTATION AND STORAGE

Transportation and storage - according to GOST 18088.

Sec. 5. (Changed edition, Amendment No. 3).

6. MANUFACTURER WARRANTY

6.1. The manufacturer must ensure that the hammers comply with the requirements of this standard if the consumer complies with the transportation conditions.

6.2. The warranty period is 6 months from the date of sale of the hammers through the retail network, and for off-market consumption - from the date of receipt by the consumer.

APPLICATION

DESIGN DIMENSIONS OF HAMMER PARTS

Type 1 hammer head

(Figure 1, Table 1).

Table 1

Dimensions, mm

Nominal weight of hammer heads, kg

Type 2 hammer head

(Figure 2, Table 2)

table 2

Dimensions, mm

Nominal weight of hammer heads, kg

Type 3 hammer head

(Figure 3, Table 3)

Table 3

Dimensions, mm

Nominal weight of hammer heads, kg

Hammer handle

(Figure 4, Table 4)

Table 4

Dimensions, mm

Nominal weight of hammer heads, kg

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