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Machining technology and manufacturing technology of hub

A manufacturing process and machining technology, applied in the field of machining process and manufacturing process of wheel hub, can solve the problems of low production efficiency, runout and dynamic balance out of tolerance, improper clamping and so on

Inactive Publication Date: 2020-01-10
浙江今飞汽摩配技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Some engineering wheels are different from conventional wheels in that only one end has a rim structure. This kind of engineering wheels with only one end has a rim, generally adopts aluminum strip material rolling, welding, flaring, rolling, expansion, cutting and other processes. This production process requires a large number of welding equipment and rolling equipment, as well as a large number of welding workers and inspectors. The process is long and complicated, the production efficiency is low, and the quality is not easy to guarantee; The production of wheel hubs, however, often requires multiple clamping during the finishing process, and it is easy to be scrapped due to incorrect clamping resulting in jumping and out-of-tolerance dynamic balance. In addition, the chuck needs to maintain a large clamping force in order to clamp firmly, which is easy to clamp. Coating outside the damaged rim

Method used

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  • Machining technology and manufacturing technology of hub
  • Machining technology and manufacturing technology of hub
  • Machining technology and manufacturing technology of hub

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown, the machining process of the hub according to an embodiment of the present invention includes:

[0035] Step S100: extending the inner support fixture into the inner ring of the hub;

[0036] Step S102: Tensioning the inner support fixture, so that the arc surface of the inner support fixture tightens the wheel hub outward;

[0037] Step S104: Finishing the outer rim of the wheel hub.

[0038] In this embodiment, the clamping of the hub is achieved from the inside of the hub by using the inner support fixture to extend into the inner ring of the hub. Since the inside of the hub is not easy to be seen, the requirements for appearance are reduced, and the The surface of the supporting fixture is an arc surface, which is easy to fit with the inner surface of the hub and increases the contact area between the inner supporting fixture and the inner surface of the hub, thereby reducing the pressure of the fixture on the inner surface of the hub, t...

Embodiment 2

[0041] Such as figure 2 As shown, on the basis of Embodiment 1, the machining process of the hub according to another embodiment of the present invention includes:

[0042] Step S200: extending the inner support fixture from the rear rim side of the wheel hub into the inner ring of the wheel hub;

[0043] Step S202: Align the groove on the inner support fixture with the reinforcing peak on the inner rim of the hub;

[0044] Step S204: tensioning the inner support fixture, so that the arc surface of the inner support fixture tightens the wheel hub outward, and inserts the reinforcing peak into the groove;

[0045] Step S206: finishing the outer rim of the wheel hub;

[0046] Step S208: cutting off the rear rim of the wheel hub;

[0047] Step S210: loosen the inner support fixture, and take off the wheel hub;

[0048] Step S212: Take off the rear wheel rim hanging on the inner support fixture.

[0049]In this embodiment, by extending the inner support fixture from one side...

Embodiment 3

[0051] Such as image 3 As shown, on the basis of Embodiment 1 and Embodiment 2, the machining process of the hub according to another embodiment of the present invention includes:

[0052] Step S300: clamping the front rim of the wheel hub with a three-point positioning claw fixture of a CNC lathe;

[0053] Step S302: Carry out the first turning of the wheel hub after the clamping of the front rim, and process part of the outer rim of the wheel hub, the surface of the mounting plate, the slope of the mounting plate and the spokes, the inner rim and the center hole;

[0054] Step S304: after the first turning, the wheel hub is removed, and the rear rim of the wheel hub is clamped with a positioning fixture;

[0055] Step S306: Drilling and milling the wheel hub after the clamping of the rear rim, drilling and milling PCD (Pitch Circle Diameter) holes and valve holes;

[0056] Step S308: After the drilling and milling process is completed, the wheel hub is removed, and the re...

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Abstract

The invention provides a machining technology and a manufacturing technology of a hub. The machining technology comprises the steps of extending an inner supporting clamp into an inner ring of the hub; tensioning the inner supporting clamp so as to enable the arc surface of the inner supporting clamp to tightly support the hub in an outward mode; and carrying out finish turning on an outer rim ofthe hub. According to the technical scheme of the machining technology and the manufacturing technology of the hub, the contact area between the clamp and the hub is effectively increased, the pressure intensity is reduced, the situation that a coating on the hub is pressed and damaged and then clamping marks are generated is avoided, the clamping precision of the hub is guaranteed, the machiningquality of finish turning of the outer rim is improved, the phenomena of jumping and overproof dynamic equilibrium amount after finish turning are avoided, moreover, the technological process is shortened, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of hub production, in particular to a machining process and manufacturing process of a hub. Background technique [0002] Some engineering wheels are different from conventional wheels in that only one end has a rim structure. This kind of engineering wheels with only one end has a rim, generally adopts aluminum strip material rolling, welding, flaring, rolling, expansion, cutting and other processes. This production process requires a large number of welding equipment and rolling equipment, as well as a large number of welding workers and inspectors. The process is long and complicated, the production efficiency is low, and the quality is not easy to guarantee; The production of wheel hubs, however, often requires multiple clamping during the finishing process, and it is easy to be scrapped due to incorrect clamping resulting in jumping and out-of-tolerance dynamic balance. In addition, the chuck needs to m...

Claims

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Application Information

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IPC IPC(8): B23B5/00B23B5/02B23P15/00
CPCB23B5/00B23B5/02B23P15/00
Inventor 牛建坤方坚马红辉徐建莺陈朝福
Owner 浙江今飞汽摩配技术研究院有限公司
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