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Lathe fixture

A lathe jig and clamping body technology, applied in the direction of expanding the mandrel, etc., can solve the problems of not reaching the inner hole surface, rough inner hole, unsatisfactory effect, etc., and achieve the effect of ensuring the difference in wall thickness

Inactive Publication Date: 2013-06-12
陶晓明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The effect is not ideal. Due to the rough inner hole of the blank, the expansion sleeve form cannot guarantee the wall thickness difference between the inner and outer circles of sleeve parts, and cannot meet the ideal requirements of the inner hole surface.

Method used

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  • Lathe fixture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] After loading the inner hole of the blank into the mandrel, open the hydraulic cylinder at the spindle end, move the movable cone head 8 to the right, and move the movable cone head 8 to the right to push the arc expanding claw 4 and the arc expanding claw 6 to move upward to tighten the blank. On the contrary, the blank is loosened.

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Abstract

A lathe fixture is particularly suitable for manufacturing and using sleeve parts. Eight points support an inner hole of a sleeve part blank; an angle between the front four points and the rear four points is 90 DEG; the fixture has high manufacturing precision, accuracy for positioning, and long service life; the wall thickness difference of the sleeve part is small; and the fixture can be effectively controlled in a specified range. The lathe fixture has the advantages that through the fixture, the wall thickness difference of the inner circle and the excircle of the sleeve part can be ensured.

Description

technical field [0001] The invention relates to a lathe fixture, which is especially suitable for mass production of sets. Background technique [0002] At present, most domestic machinery manufacturers use inner hole positioning for rough machining production of sleeve parts, and the fixtures are double-fold expansion sleeves or single-valve expansion sleeves. The effect is unsatisfactory. Due to the rough inner hole of the blank, the expansion sleeve form cannot guarantee the wall thickness difference between the inner and outer circles of sleeve parts, and cannot meet the ideal requirements of the inner hole surface. Contents of the invention [0003] In order to overcome the deficiencies of existing expansion sleeves, the present invention provides an 8-point support fixture. [0004] The technical method adopted by the present invention to solve the technical problem is to adopt 8 points to support the inner hole of the part blank, the front 4 points and the rear 4 p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/40
Inventor 陶晓明
Owner 陶晓明
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