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Preparation process of pre-positioned butt lug plate

A preparation process and pre-positioning technology, applied in the field of sheet metal processing, can solve the problems of low production efficiency, low production efficiency, and inability to accurately guarantee relative dimensions, and achieve the effect of precise welding and ensuring production efficiency.

Active Publication Date: 2019-11-05
昆山市福玛精密钣金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the current preparation method, the relative size of the butt hole 103 and the end of the welding part 101 cannot be accurately guaranteed, resulting in the need for multiple times of grinding during welding, resulting in low production efficiency. Positional relationship, there is a need for re-grinding in the assembly steps after welding, which seriously wastes productivity resources and further reduces production efficiency

Method used

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  • Preparation process of pre-positioned butt lug plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This example demonstrates a method for figure 1 A pre-positioned butt lug preparation process for processing the butt lug 100 shown includes the following steps:

[0023] S1) blanking by flame cutting, when blanking, except for the docking hole 103, a margin of 5mm is placed on the outer edges of the other products;

[0024] S2) using a drill press to trim the butt hole 103;

[0025] S3) On the clamping platform of the milling machine, a positioning axis matching the butt hole is set, and then the positioning axis is used as a base point to perform pre-positioning processing on the end of the welding part 101, and the processing reaches the butt hole 103 and the end of the welding part 101 required for production. Required relative position size;

[0026] S4) Set a positioning shaft matching the docking hole 103 on the wire cutting clamping table and fix the positioning hole portion, and then use the pressure plate to fix the welded portion 101 for the end portion aft...

Embodiment 2

[0033] This example demonstrates a method for figure 1 A pre-positioned butt lug preparation process for processing the butt lug 100 shown includes the following steps:

[0034] S1) Cutting the material by flame cutting, when cutting the material, except for the docking hole 103, put a margin of 10mm on the outer edge of the other products;

[0035] S2) using a drill press to trim the butt hole 103;

[0036] S3) On the clamping platform of the milling machine, a positioning axis matching the butt hole is set, and then the positioning axis is used as a base point to perform pre-positioning processing on the end of the welding part 101, and the processing reaches the butt hole 103 and the end of the welding part 101 required for production. Required relative position size;

[0037] S4) Set a positioning shaft matching the docking hole 103 on the wire cutting clamping table and fix the positioning hole portion, and then use the pressure plate to fix the welded portion 101 for t...

Embodiment 3

[0044] This example demonstrates a method for figure 1 A pre-positioned butt lug preparation process for processing the butt lug 100 shown includes the following steps:

[0045] S1) blanking by flame cutting, when blanking, except for the docking hole 103, an 8mm margin is placed on the outer edge of the other products;

[0046] S2) using a drill press to trim the butt hole 103;

[0047] S3) On the clamping platform of the milling machine, a positioning axis matching the butt hole is set, and then the positioning axis is used as a base point to perform pre-positioning processing on the end of the welding part 101, and the processing reaches the butt hole 103 and the end of the welding part 101 required for production. Required relative position size;

[0048] S4) Set a positioning shaft matching the docking hole 103 on the wire cutting clamping table and fix the positioning hole portion, and then use the pressure plate to fix the welded portion 101 for the end portion after ...

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Abstract

The invention discloses a pre-locating type butt-joint lug plate production process. The pre-locating type butt-joint lug plate production process comprises the following steps that 1, blanking is conducted through flame cutting; 2, trimming of a butt-joint hole is conducted through a drilling machine; 3, pre-locating machining of the end of a welded portion is conducted, so that relative positiondimensions, required by production, of the butt-joint hole and the end of the welded portion are reached through machining; 4, fixation of a locating hole portion is conducted, and then, the welded portion is fixed through a pressing plate; 5, the end, obtained after machining, of the welded portion serves as a locating basis, and required precise dimensions of a product are machined through wire-electrode cutting; 6, the height of a welding layer existing in the welding process is calculated; 7, fixation of the end, obtained after pre-locating machining, of the fixed welded portion is removed, and a butt-joint portion is fixed through a pressing plate; 8, the end of the welded portion is machined, wherein 60%-70% of the height obtained through calculation in step 6 is removed through machining; and 9, welding corner guiding is conducted on the end, wherein the height of a welding corner is the result of subtracting the height obtained through calculation in step 6 from the height removed in step 8, and the angle of the welding corner is 30 degrees.

Description

technical field [0001] The invention relates to sheet metal parts processing technology, specifically, it shows a pre-positioning butt lug preparation process. Background technique [0002] With the development of economy and technology, the use of sheet metal parts in industrial production is becoming more and more extensive. Due to their use occasions, there are problems in the current preparation methods of some sheet metal parts that need to be solved; [0003] Such as figure 1 The shown butt lug plate 100 includes a welding part 101 for welding to the connecting body, and a butt part 102 connected to the welding part 101. One end of the butt part 102 is connected to the welding part and the other end is in the shape of an obliquely extending plate, and The upper end is provided with a docking hole 103, and the end side 104 and the docking hole 103 need to have a relatively high-precision relative positional relationship between the corresponding connecting body; [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 远晓锋魏芳
Owner 昆山市福玛精密钣金有限公司
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