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Double-end-surface polishing process of oil discharge valve base

A double-face grinding machine and oil outlet valve technology, which is applied in metal processing equipment, grinding machines, manufacturing tools, etc., can solve the problems of local hardness reduction, poor product quality, and easy burns on both ends, so as to shorten the process route and improve product quality. Excellent effect

Inactive Publication Date: 2016-05-04
无锡威孚马山油泵油嘴有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This processing method in the prior art adopts step-by-step grinding, the flatness will be out of tolerance, the two ends are prone to burns, the local hardness is reduced, and the surface texture is vertical stripes, the quality of the processed product is poor. The appearance of the end face is not beautiful

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] Specific embodiments of the present invention will be described below.

[0023] The double-end surface grinding process of the oil outlet valve seat in this embodiment includes the following steps:

[0024] The first step: purchase raw materials, and conduct outsourcing processing and outsourcing inspection;

[0025] The second step: heat treatment of raw materials;

[0026] Step 3: Water blast the heat-treated material; then clean it with detergent;

[0027] Step 4: Use a centerless grinder to grind the big circle;

[0028] The fifth step: use cleaning agent to clean;

[0029] Step 6: Roughly grind both ends with a double-end grinder;

[0030] Step 7: Finely grind both ends with a double-end grinder;

[0031] Step 8: Use a center hole seat surface grinder to grind out the center hole and seat surface of the oil valve seat, and then deburr;

[0032] Step 9: Use an ultrasonic cleaning machine for ultrasonic cleaning;

[0033] Step 10: Use a pneumatic measuring ins...

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PUM

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Abstract

The invention discloses a double-end-surface polishing process of an oil discharge valve base. The process comprises the following operation steps: (1) raw materials are selected and purchased; and the outsource processing and the outsource inspection are performed; (2) the raw materials are thermally treated; (3) the water sand blasting is performed for the thermally treated materials; and then, the materials are cleaned by using detergent; (4) a centerless grinding machine is used for polishing a large circle; (5) a cleaning agent is used for cleaning; (6) a double-end-surface grinding machine is used for roughly grinding two end surfaces; (7) thedouble-end-surface grinding machine is used for finely grinding the two end surfaces; (8) a middle hole base surface grinding machine is used for grinding out a middle hole and a base surface of the oil discharge valve base; and then, burrs are removed; (9) an ultrasonic cleaning machine is used for ultrasonic cleaning; (10) a pneumatic measuring instrument is used for checking a taper; and then, a detecting device is used for inspecting the middle hole and the base surface; (11) a teslameter is used for performing magnetic flaw detection and demagnetization for the oil discharge valve base; and (12) an ultrasonic cleaning machine is used for ultrasonic cleaning to obtain a finished product. The product is excellent in quality.

Description

technical field [0001] The invention relates to the technical field of grinding technicians, in particular to a double-end surface grinding process for an oil outlet valve seat. Background technique [0002] The oil outlet valve seat is usually processed by a CNC grinding machine. In the prior art, in the process of processing, a surface grinder is usually used to grind the small end face first, then grind the large end face and then manually grind the large end face. The processing requirements of both ends of the oil valve seat are relatively high. The roughness of the small end face is required to be less than Rz1.6, and the flatness requirement is less than 0.002mm. The large end face is a sealing end face, which requires higher requirements. mm, burns and cracks are not allowed on the end face, and at the same time, the surface hardness cannot be affected after heat treatment. This processing method in the prior art adopts step-by-step grinding, the flatness will be ou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B7/17C21D9/00
CPCB24B7/17C21D9/0068
Inventor 宋林枫朱仁义
Owner 无锡威孚马山油泵油嘴有限公司