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Machining technology of piston on CNC machine tool

A processing technology and machine tool technology, which is applied in the processing technology field of pistons on CNC machine tools, can solve the problems of large opening and inability to process the profile surface of the wedge, and achieve the effects of reducing scrap, high processing accuracy, and wide adaptability

Active Publication Date: 2019-04-09
常州创领机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the two oblique wedge contour surfaces are processed at the same time, because of the large opening of the oblique wedge contour surface and the limitation of the small diameter of the usable tool, there will be technological problems such as cutting tool and tool vibration, which cannot be processed.

Method used

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  • Machining technology of piston on CNC machine tool
  • Machining technology of piston on CNC machine tool
  • Machining technology of piston on CNC machine tool

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Embodiment Construction

[0027] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0028] Please refer to Figure 1 to Figure 4 In the embodiment of the present invention, the piston 1 includes a head seat 101 and a first wedge angle 102 and a second wedge angle 103 symmetrically formed on the head seat 101 . The machining process of the piston in the embodiment of the present invention on the CNC machine tool is used to process the wedge profile surface 1021 of the first wedge angle 102 and the wedge profile surface 1031 of the second wedge angle 103 on the piston 1, and the wedge profile surface 1031 of the first wedge angle The contour surface 1021 and the oblique wedge contour surface 1031 of the second wedge angle are arranged symmetrically and have the same shape.

[0029] Please refer to Figure 1 to Figure 8 , the process step of the present invention is:

[0030] Step a), in the automatic programming...

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Abstract

The invention relates to a machining technology of a piston on a CNC machine tool. The machining technology is characterized in that the machining technology comprises the following steps of inputtingnumerical control machining programs of an oblique wedge profile surface of a first wedge angle and an oblique wedge profile surface of a second wedge angle into a storage unit of the machine tool, machining the oblique wedge profile surface of the first wedge angle and the oblique wedge profile surface of the second wedge angle, determining the positions and the magnitudes of deviations caused by deformation of the oblique wedge profile surface of the first wedge angle and the oblique wedge profile surface of the second wedge angle in the machining process correspondingly, correcting the deviations of the oblique wedge profile surface of the first wedge angle and the oblique wedge profile surface of the second wedge angle in opposite directions to form corrected machining tracks correspondingly and regenerating numerical control machining programs according to the corrected machining tracks, and machining other to-be-machined workpieces into qualified parts. Machining parameters canbe controlled, the stability is good, the machining tracks can be accurately adjusted, and accurate control on the machining process is easy to implement.

Description

technical field [0001] The invention relates to the field of numerical control machining, in particular to a machining process of a piston on a CNC machine tool. Background technique [0002] The piston is the core component used to transmit motion in the braking system of rail transit, and it needs frequent reciprocating motion during work. The piston is respectively connected to the parts at both ends through its circular head seat and the wedge angle with the wedge profile surface. The wedge profile surface of the wedge angle has relatively high size and position requirements relative to the axis of the head seat, especially the size difference between the wedge profile surface of the two wedge angles and the axis and their respective positions relative to the axis are the influences. Key to transmission efficiency and piston life. If the two cam profile surfaces are machined separately, the position error of the two cam profile surfaces relative to the axis will be inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q5/00G05B19/401
CPCB23Q5/00G05B19/401
Inventor 陈春生
Owner 常州创领机械有限公司
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