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Cargo-carrying truck integral front spring left front support working process

A processing technology, truck technology, applied in the direction of manufacturing tools, other manufacturing equipment/tools, etc., to achieve the effect of easy positioning and clamping, ensuring accuracy requirements, and high processing efficiency

Inactive Publication Date: 2008-10-01
CHINA NATIONAL HEAVY DUTY TRUCK GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to achieve the required precision in the processing of the integral front spring left front bracket, it is necessary to formulate a set of special processing technology, and there is no such technology at present

Method used

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  • Cargo-carrying truck integral front spring left front support working process
  • Cargo-carrying truck integral front spring left front support working process
  • Cargo-carrying truck integral front spring left front support working process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] figure 1 , figure 2 , image 3 and Figure 4 A schematic diagram of the structure of the left front bracket of the integral front spring of the truck is given. Its processing process is:

[0026] (1) With the convex table surface 2 and the upper table surface 3 as the rough positioning, and clamped by the moving platen type screw clamping tool, use the φ50 end face milling cutter on the X6232 milling machine to mill the two sides of the right end 1 (see figure 2 );

[0027] (2) Position the machined side 1, clamp it with the moving platen tool, and use a φ80 end face milling cutter on the X6232B milling machine to mill the left convex table surface 2 (see figure 2 );

[0028] (3) Position the machined side 1 and the bottom end, and clamp it with a moving platen type screw clamping tool, and mill the table top 3 with a φ300 three-sided edge milling cutter on a B1-400P milling machine (see figure 2 );

[0029] (4) Locate the convex table surface 2 and the uppe...

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PUM

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Abstract

The present invention provides a truck integrated front-spring left-front support machining process. Said machining process includes the following steps: (1) milling two side faces of right end; (2) milling abutment face of left end; (3) milling upper mesa; (4) milling channel; (5) milling oblique face; (6) drilling and spot-facing all the small holes; (7) drilling and reaming all the large holes; (8) drilling welding hole of supporting pin and chamfering; (9) drilling bottom holes of all the screw holes; (10) drilling deep mesa; (11) tapping all the screw holes; and (12) welding screw thread supporting pin.

Description

technical field [0001] The invention relates to a processing technology of an integral front spring left front bracket of a heavy-duty truck, and belongs to the technical field of processing technology of mechanical parts. Background technique: [0002] Now the first and second axles of heavy-duty trucks are generally equipped with semi-elliptical leaf springs, which are connected with the spring brackets fixed on the vehicle frame in the form of front hinges and rear suspensions. The traditional front spring rear left bracket and the second spring front left bracket are independently hinged with the spring roll lug and the lifting lug respectively. When the vehicle is running, due to the overload of users, poor road conditions, and the resonance of the first and second bridges, the two supports are more complicated in force, often appear to be misaligned with the frame, and accidents of support breakage also occur from time to time. In order to solve the above problems, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P13/00B23P23/04
Inventor 李锦玲白颖于田胡雁李相伟
Owner CHINA NATIONAL HEAVY DUTY TRUCK GROUP