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Flash welder repair method

A repair method, the technology of flash electricity, applied in the field of equipment repair, to achieve the effect of benefiting precision, improving precision and benefiting recovery

Active Publication Date: 2018-04-20
马鞍山市申马机械制造股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at various wear defects that occur during the use of existing flash welding machines, the present invention provides a repair method for flash welding machines, which can quickly and effectively improve repair efficiency and avoid the problem of lowering the accuracy of welding machines

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for repairing a flash welding machine, comprising the steps of:

[0035] Step 1. Disassemble the upper and lower seats; disassemble 2 sets of φ115mm roller parts and hydraulic cylinders, disassemble the bottom plates of the upper and lower seats, wear-resistant plates and other components, decontaminate and clean them;

[0036] Step 2, making and processing specifications of 200 × 200 × 70 (mm) × 4 equal-height iron blocks, and the horizontal error of the 4 equal-height iron blocks is controlled within 0.01mm;

[0037] Step 3. Take the bottom of the base plate of the flash welding machine as the reference plane, and check the horizontal error and height of the wear plate installation surface of the base plate with a meter; perform fine grinding on the wear plate with a flat stone grinder, and pay attention to the wear plate when grinding. There is less or no grinding of the carbonized layer, because the hardness index of the carbonized layer of the wear-resista...

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PUM

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Abstract

The invention discloses a flash welder repair method, and belongs to the technical field of equipment repair. The flash welder repair method comprises the following steps: (1) upper and lower bases are decomposed; (2) equal-height iron blocks are manufactured; (3) the bottom surface of a base baseplate of a flash welder is used as a reference surface for metering detection of the mounting surfacehorizontal error and height of a wear resisting plate of the baseplate; (4) a plane after polishing of the wear resisting plate is used as a reference surface for polishing the bottom surface of the wear resisting plate to guarantee the same thickness; and the height error and the horizontal error of the plane after installation of the wear resisting plate are controlled within 0.02 mm; (5) the equal-height iron blocks machined in the step (2) are fixedly placed on a gantry milling machine worktable; and (6) a lower base is lifted on the equal-height iron blocks of the gantry milling machine worktable for metering detection of the mounting surface height size, horizontal error and parallel error of upper and lower base polar electric blocks; the milling and the manual grinding are performed after welding cooling; and then, the polar electric blocks are installed. The flash welder repair method can quickly and effectively improve the repair efficiency, and prevents the problem of welderprecision reduction.

Description

technical field [0001] The invention belongs to the technical field of equipment repair, and in particular relates to a method for repairing a flash welding machine. Background technique [0002] The flash welding machine uses the high-temperature arc generated when the positive and negative poles are short-circuited instantaneously to melt the solder on the electrode and the material to be welded to achieve the purpose of combining them. The structure of the electric welding machine is very simple. To put it bluntly, it is a high-power transformer that turns 220V AC into a low-voltage, high-current power supply, which can be DC or AC. Welding transformers have their own characteristics, that is, they have the characteristics of a sharp drop in voltage. The voltage drops after the welding rod is ignited; the adjustment of the working voltage of the electric welding machine, in addition to the primary 220 / 380 voltage conversion, the secondary coil also has a tap change volta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23P6/00
CPCB23P6/00B23P15/00
Inventor 方钊方长春
Owner 马鞍山市申马机械制造股份有限公司