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Process for preparing optical injection-molded part

A process method and technology of injection molding parts, applied in the field of optics, can solve the problems of low repeatability of injection molding machines, low quality of optical products and low pass rate, and achieve the effect of solving poor consistency and improving pass rate

Inactive Publication Date: 2018-10-16
苏州路熙光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the injection molding production of optical injection molded parts, due to the low repeatability of the injection molding machine, the quality and pass rate of optical products are not high. This problem has become an industry problem.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Special injection molding machine parameters are as follows:

[0020] The special-made injection molding machine is provided with a special melting rubber cylinder assembly, and the tolerance between the apron ring and the melting rubber cylinder is ≤0.01mm.

[0021] The special injection molding machine is equipped with double closed-loop control, and the injection adopts pressure proportional and flow proportional double closed-loop control.

[0022] The injection position ruler in the special injection molding machine adopts an ultrasonic position ruler, and the ultrasonic position ruler has a position accuracy of 0.01.

[0023] Take 200g of polycarbonate and place it in a special machine, melt it at 260°C, 260°C, 225°C, 220°C, and 220°C, and mold it independently at the temperature of 160°C on the special injection molding machine to form the The above optical injection molded parts.

Embodiment 2

[0025] Special machine parameters are as follows:

[0026] The special plastic injection molding machine is equipped with a special melting rubber cylinder assembly, and the tolerance between the apron ring and the melting rubber cylinder is ≤0.01mm.

[0027] The special injection molding machine is equipped with double closed-loop control, and the injection adopts pressure proportional and flow proportional double closed-loop control.

[0028] The injection position ruler in the special injection molding machine adopts an ultrasonic position ruler, and the ultrasonic position ruler has a position accuracy of 0.01.

[0029] Take 200g of polycarbonate and place it in a special machine, melt it at 255°C, 255°C, 220°C, 215°C, and 215°C, and mold it independently at the temperature of the special mold at 150°C to form the Optical injection molded parts.

Embodiment 3

[0031] Special machine parameters are as follows:

[0032] The special plastic injection molding machine is equipped with a special melting rubber cylinder assembly, and the tolerance between the apron ring and the melting rubber cylinder is ≤0.01mm.

[0033] The special injection molding machine is equipped with double closed-loop control, and the injection adopts pressure proportional and flow proportional double closed-loop control.

[0034] The injection position ruler in the special injection molding machine adopts an ultrasonic position ruler, and the ultrasonic position ruler has a position accuracy of 0.01.

[0035] Take 200g of polycarbonate and place it in a special machine, melt it at 250°C, 250°C, 215°C, 210°C, and 210°C, and mold it independently under the condition of the special mold temperature of 140°C to form the Optical injection molded parts.

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PUM

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Abstract

The invention discloses a process for preparing an optical injection-molded part. The process comprises the following steps: placing polycarbonate in a special injection molding machine, performing melting treatment under the condition that a rubber melting barrel of the special injection molding machine has a temperature of 210-260 DEG C, and carrying out separate and independent molding under the condition that the special injection molding machine has a temperature of 120-160 DEG C so as to form the optical injection-molded part. The process for preparing optical injection-molded part in the invention adopts the special injection molding machine, solves the problem of poor consistency of optical products in the preparation process and improves the qualified rate of the products during forming of optical injection-molded parts, and can be widely applied to the optical technology.

Description

technical field [0001] The invention relates to a process method for optical injection molded parts, which belongs to the field of optical technology. Background technique [0002] At present, in the injection molding production of optical injection molded parts, due to the low repeatability of the injection molding machine, the quality and pass rate of optical products are not high. This problem has become a difficult problem in the industry. Contents of the invention [0003] The main purpose of the present invention is to provide a process method for optical injection molded parts to overcome the deficiencies in the prior art. [0004] In order to realize the aforementioned object of the invention, the technical solutions adopted in the present invention include: [0005] An embodiment of the present invention provides a process for optical injection molding, which includes: placing polycarbonate in a special injection molding machine, and performing melting treatm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/78B29C45/82B29C45/76B29K69/00B29L11/00
CPCB29C45/76B29C45/78B29C45/82B29C2945/76531B29C2945/76936B29K2069/00B29L2011/00
Inventor 杨国松张贻刚张贻青
Owner 苏州路熙光电科技有限公司