This standard specifies the dimensions and specifications of spot welding electrode blocks and clamps. This standard applies to electrode blocks and clamps used in resistance spot welding equipment. This standard is used in conjunction with JB/T9530-1999 "Insulating caps and insulating bushings for resistance welding equipment". JB/T 9531-1999 Spot welding electrode blocks and clamps JB/T9531-1999 Standard download decompression password: www.bzxz.net

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This standard is equivalent to ISO5827:1983 "Spot welding electrode back-ups and clamps". This standard is a revision of ZBJ6401388 "Spot welding electrode back-ups and clamps". According to the requirements of GB/T1.1-1993 and GB/T1.3-1997, only ZBJ64013-88 has been edited. From the date of implementation, this standard will replace ZBJ64013-88. This standard is proposed and managed by the National Electric Welding Machine Standardization Technical Committee. The drafting unit of this standard: Shenyang Electric Welding Machine Factory. The main drafters of this standard: Bai Tao, Zhang Lijuan. Xiaoniu Standard Nanny
Machinery Industry Standard of the People's Republic of China
Spot welding electrode back-ups and clamps
Spot welding-electrode back-ups and clamps This standard specifies the size and specifications of spot welding electrode back-ups and clamps. This standard applies to electrode blocks and clamps used in resistance spot welding equipment. This standard is used in conjunction with JB/T9530-1999 "Insulating caps and insulating bushings for resistance welding equipment". Referenced standards
JB/T9531-1999
idt IS0 5827:1983
Replaces ZBJ64013-88
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. At the time of publication of the standard, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. JB/T9530—1999 Insulating cap and insulating bushing for resistance welding equipment (idtISO7931:1985) 3 Dimensions
3.1 The shape and size of the A-type electrode stopper (semi-finished product) are shown in Figure 1 R5
3.1.1 Material
The material of the stopper is copper T2.
3.1.2 Marking
The marking method for the stopper that complies with this standard is as follows: Approved by the State Machinery Industry Bureau on August 6, 1999 62
2000-01-01 implementation
JB/T 9531—1999
Block shape JB/T9531-
For example: A block with a shape of type A and a length of 2000mm is marked as block shape JB/T9531-A2000.
3.2 The type and size of the electrode are shown in Figure 2. 100
Note: All other dimensions of C and D types are the same as those of B type. 3.2.1 Material
The material of the wedge electrode is chrome blue steel QCr0.5. 3.2.2 Marking
The marking method for the wedge electrode that complies with the provisions of this standard is as follows: Wedge electrode JB/T9531-
Block shape length
Type letter
This standard number
Wedge electrode length
Type letter
This standard number
JB/T 9531-1999
For example 1: A wedge electrode with a B-type shape and a length of 50mm is marked as: Wedge electrode JB/T9531-B50
3.2.3 Marking
The wedge electrode that complies with the provisions of this standard should be marked with the type letter and material brand on the finished product. For example: Type B, a wedge electrode made of chrome bronze QCr0.5, is marked on the finished product as: B—QCr0.5
3.3 The type and size of the clamp block are shown in Figure 322
Note: All other dimensions of Type F are the same as those of Type E. 3.3.1 Material
The material of the clamp block is brass H59.
3.3.2 Marking
The marking method for clamps that comply with this standard is as follows: Clamp
JB/T9531-
For example, a clamp with an E-shaped appearance and a width of 35mm is marked as: E-type
Clamp width
Type letters
Number of this standard
Clamp JB/T9531-E35
3.3.3 Marking
Clamps that comply with this standard should be marked with type letters and width on the finished product. For example: E-type clamp, width 25, marked as: E253.4 The overall dimensions of the block with cooling holes (finished product) are shown in Figure 4 and Table 1mm
Distance between welding points
25 ± 4
40 ±4
50 ± 4
56 ±4
40±10
50±10
>60 and single spot welding
JB/T 9531-1999
Sealing plug
Z view
Wedge-shaped electrode
JB/T9531-1999
3.5 The assembled electrode block and clamp block are shown in Figure 5: Bolt M10×40
Insulating bushing
Insulating pad
Insulating pin
Bolt M6×20
Insulating cap
Nut M3
Locking nut
Bolt M8×60
>600mm and single spot welding
The entire block can be drawn in a simple drawing in the assembly drawing. JB/T 9531-1999
For example: the entire block has 8 electrodes, and the distance between the welding points is 25mm, which only needs to be represented by Figure 6. Ten
JB/T9531G8×25
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