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Automobile headlight lampshade bright surface machining method and cutting fluid for machining method

A processing method and bright surface technology, applied in the direction of metal processing equipment, metal processing machinery parts, manufacturing tools, etc., can solve the problems of light spots, slow lighting speed, affecting product quality, etc., and achieve good cooling and cleaning effects, High hardness and smoothness, the effect of improving product quality

Active Publication Date: 2017-05-24
昆山市艾之特精密模具科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The speed of manual polishing is slow and the efficiency is low. It is easy to damage the corrugated corners of the mold during the hoisting process, especially the parting surface of the mold, which will affect the mold clamping, and the molded product will produce flash, which will affect the product quality.
At the same time, it is easy to destroy the anti-corrosion structure on the surface of the mold material, reducing the service life of the mold
The electronic finish is poor, the surface of the product is prone to light spots, and the product quality is low

Method used

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  • Automobile headlight lampshade bright surface machining method and cutting fluid for machining method
  • Automobile headlight lampshade bright surface machining method and cutting fluid for machining method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Processing the bright surface of the cavity

[0018] 718 mold material is used, the tool is tungsten steel knife, the cutting amount is 0.2-0.4mm, the speed is 5000 rpm, the feed rate is 2500m / min, and the high temperature of 300-400 ℃ is generated during processing. At this time, spray atomized cutting The liquid will slowly lower the high temperature to 70-80°C. During the process of high temperature generation to lowering, it is equivalent to performing secondary heat treatment on the mold material, so that the hardness and brightness of the mold material are higher. And because the cavity surface is a groove-shaped insert, the atomized cutting fluid is used, and the cutting fluid is atomized during the machining process, and there is no liquid residue.

Embodiment 2

[0019] Embodiment 2: processing core bright surface

[0020] 718 mold material is used, the tool is tungsten steel knife, the cutting amount is 0.2-0.4mm, the speed is 5000 rpm, the feed rate is 2500m / min, and the high temperature of 300-400 ℃ is generated during processing. At this time, the cutting fluid is directly sprayed , because the core surface is a convex insert, the cutting fluid will flow away automatically after being sprayed, and can take away debris without cleaning the core. Its cooling effect is the same as that of the bright surface of the machining cavity.

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Abstract

An automobile headlight lampshade bright surface machining method comprises the following steps that 1, rough machining is conducted, specifically, two mold materials are taken and subjected to rough machining through a single-shaft numerical-control mill, and a mold cavity insert initial blank and a mold core insert initial blank are obtained; and 2, finish machining is conducted, specifically, a high-speed numerical-control mill is adopted to carry out finish machining on bright surfaces of the mold cavity insert initial blank and the mold core insert initial blank, and in the process of machining a mold cavity insert, intermittent atomizing jetting is conducted on the mold cavity insert with the cutting fluid; and in the process of machining a mold core insert, the cutting fluid is directly sprayed to the mold core insert, and the mold cavity insert and the mold core insert are obtained. According to the scheme, the cutting fluid is matched with machining equipment through high-speed rotation, the mold materials are subjected to secondary heating in the heating and cooling switch process, the hardness, precision and brightness of the mold materials are improved, and the bright surfaces of products can be obtained without polishing treatment.

Description

technical field [0001] The invention relates to a processing method for a bright surface of an automobile headlight lampshade and a cutting fluid used in the processing method, belonging to the field of injection molds. Background technique [0002] The core and the bright surface (surface) of the cavity of the traditional automotive headlight lampshade mold are polished by hand or electronically. The speed of manual polishing is slow and the efficiency is low. During the hoisting process, it is easy to damage the corrugated corners of the mold, especially the parting surface of the mold, which will affect the mold clamping, and the molded product will produce flash, which will affect the product quality. At the same time, it is easy to destroy the anti-corrosion structure on the surface of the mold material, reducing the service life of the mold. The electronic finish is poor, the surface of the product is prone to light spots, and the product quality is low. Contents of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C3/00B23Q11/10C10M173/00C10N30/06C10N30/12C10N30/16C10N40/22
CPCB23C3/00B23Q11/10C10M173/00C10M2207/40C10M2209/104C10M2215/08C10M2219/044C10M2223/047C10M2229/04C10N2030/06C10N2030/12C10N2030/16C10N2030/18C10N2040/22
Inventor 潘勇
Owner 昆山市艾之特精密模具科技有限公司
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