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A Boring Processing Method of Parallel Bore Oil Cylinder

A processing method and oil cylinder technology are applied in the field of boring processing of parallel inner-bore oil cylinders, which can solve the problems of low coaxiality and large tolerance of oil cylinders, and achieve the effects of high processing precision, long service life and reduced wear and tear.

Active Publication Date: 2020-07-28
WUHAN MARINE MACHINERY PLANT
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the problems of low cylinder coaxiality and large tolerance in the prior art, and to provide a boring processing method for parallel bore cylinders with reduced tolerance and improved coaxiality

Method used

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  • A Boring Processing Method of Parallel Bore Oil Cylinder
  • A Boring Processing Method of Parallel Bore Oil Cylinder

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Experimental program
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Effect test

Embodiment 1

[0028] A boring processing method of a parallel bore oil cylinder, the processing method comprising the following steps:

[0029] The first step: fix and level, weld the four cylinder blanks 2 to be processed in pairs, and ensure that the central axes of the two cylinder blanks 2 are parallel during welding to obtain two sets of parallel cylinder blanks, and then weld the two sets of parallel cylinder blanks Install the cylinder blanks on the processing support 1, adjust the alignment of the ends of two sets of parallel cylinder blanks, and then adjust the processing support 1 so that the central axes of the four cylinder blanks 2 are parallel to each other;

[0030] Step 2: Machining the datum plane, milling and correcting the datum planes of the two sets of parallel cylinder blanks to be processed, the flatness and parallelism of the upper and lower datum planes meet the processing requirements, and at the same time ensure that the thickness of the connecting part of the uppe...

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Abstract

The invention discloses a boring machining method for a parallel inner hole oil cylinder. The machining method comprises the first step of fixing leveling, the second step of datum plane machining, the third step of oil cylinder hole machining and the fourth step of lining inner hole fine boring machining. According to the design, four oil cylinders are machined at the same time, the oil cylindersin the same group are applied to the same structure, the oil cylinder synchronism is improved, machining parameter design is reasonable, and the machining precision is high.

Description

technical field [0001] The invention relates to a boring processing method for a parallel inner hole oil cylinder, which is particularly suitable for improving processing accuracy and coaxiality. Background technique [0002] Oil cylinder is a key component of hydraulic steering gear, and its processing quality directly affects the performance of the steering gear. The structure of the two parallel bore oil cylinders is complex, and the existing processing difficulties are as follows: 1. The upper and lower structures are not easy to clamp; Pump pressure and cold sleeve are required before hole fine boring, and the structural parts of the oil cylinder will be deformed under the action of pressure and low temperature, resulting in a difference in the calibration standard. However, the coaxiality, roughness, dimensional tolerance and the center distance between the two cylinders are relatively high in the processing of the double-bore cylinder. It is difficult to guarantee th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B35/00
CPCB23B35/00
Inventor 王志红张伟武江勇李艳华赵治国黄波叶坤
Owner WUHAN MARINE MACHINERY PLANT
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