GOST 19106-73

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  ГОСТ 19106-73

GOST 19106−73 inserts of hard metal alloys for dividing and bending dies (blanks) (with Amendments No. 1, 2)

GOST 19106−73*

Group 56

STATE STANDARD OF THE USSR

INSERTS OF HARD METAL ALLOYS
FOR DIVIDING AND BENDING DIES (BLANKS)

Inserts of cemented carbide alloys for shearing and bending dies (blanks)

OKP 19 6520

Date of introduction 1974−07−01

APPROVED by the resolution of the State Committee of standards of the Council of Ministers of the USSR of 16 August 1973, N 2003. The introduction is set with 01.07.74

Checked in 1984. G. resolution of the state standard from 29.06.84 2368 N validity extended to 01.01.90**
________________
** Expiration removed by Protocol No. 4−93 of the Interstate Council for standardization, Metrology and certification (I & C N 4, 1994). — Note the manufacturer’s database.

* REPRINT (February 1985) with Amendments No. 1, 2 approved in July 1979, June 1984 (IMS 9 to 79, 10−84).

1. THE SHAPE AND SIZE

1.1. The shape and dimensions of the material of the inserts should match those in hell.1−4 and in table.1−4.

Damn.1. I

I

Damn.1

Table 1

Dimensions in mm

Example of designation of the workpiece insertion of form I with dimensions: 25 mm; 4 mm; 8 mm of hard alloy brand ВК20:

Billet insert 1011−0351 ВК20 GOST 19106−73

Damn.2. Form II

Form II

Damn.2

Table 2

Dimensions in mm

Example of designation of the workpiece insertion of form II dimensions: 6 mm and 10 mm of hard alloy brand ВК20:

Billet insert 1011−0581 ВК20 GOST 19106−73

Damn.3. Form III

Form III

Damn.3

Table 3

Dimensions in mm

Example of designation of the workpiece to insert a form III with size: 8 mm; 1.6 mm and 10mm hard alloy brand ВК20:

Billet insert 1011−0761 ВК20 GOST 19106−73

Damn.4. Form IV

Form IV

Damn.4

Table 4

Dimensions in mm

Example of designation of the workpiece to insert a form IV with size: 25 mm, and 1 mm of hard alloy brand ВК20:

Billet insert 1011−0911 ВК20 GOST 19106−73

(Changed edition, Rev. N 1, 2).

1.2. The symbol insert-workpiece when the order is tailored to all-Union classifier of products (OKP). Full OKP code is composed as follows: the first six digits denote the grade according to GOST 3882−74, the next four characters (code batch-sequence number GST) indicate the form of the insertion of the workpiece. Code batch-sequence number of ECVs given in table.4A.

Table 4A

The last eight characters of a symbol (code size) is shown in table.1−4.

Example of designation when ordering, insert-blank form I of hard alloy brand ВК20 with dimensions 25 mm, 4 mm, 8 mm:

19 6528 3202 101 1−0351 GOST 19106−73

(Added, Rev. N 1).

2. TECHNICAL REQUIREMENTS

2.1. Blank panels shall be manufactured in accordance with the requirements of this standard working drawings, approved in the prescribed manner.

(Changed edition, Rev. N 2).

2.2. Preset inserts shall be made of hard metal alloys according to GOST 3882−74:

for the separation of stamps from alloy brand ВК20;

for bending dies alloy grades VK8 and ВК15.

2.3. Maximum deviations for all the dimensions of the blanks of inserts of the form I, as well as the size of the forms II and III, size IV form should not be more than specified in table.5.

Table 5

2.4. Limit deviations of the outside diameter of the billet inserts forms II and III, as well as the size of the form IV should not be more than specified in table.6.

Table 6

2.5. Limit deviations of the diameter of the hole of workpieces of inserts form III should not be more than specified in table.7.

Table 7

2.6. Maximum deviation from flatness and straightness of workpieces of inserts forms I and IV should not be more than specified in table.8.

Table 8

mm