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Mould pressing rubber composite product sizing material dynamic filling amount process method

A technology of composite products and process methods, applied in the field of molded rubber products and multi-cavity injection molded rubber products, can solve problems such as low product qualification rate and quality risk reduction

Inactive Publication Date: 2020-05-01
谢祯宇
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a process method of dynamic filling quantity of rubber material for molded rubber composite products. The process method of dynamic filling amount of material effectively solves the problem of low product qualification rate caused by the uncertainty of the skeleton of molded rubber products, and reduces the quality risk

Method used

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  • Mould pressing rubber composite product sizing material dynamic filling amount process method
  • Mould pressing rubber composite product sizing material dynamic filling amount process method
  • Mould pressing rubber composite product sizing material dynamic filling amount process method

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Embodiment 1

[0029] Related parameters:

[0030] Constant: v=7920cm 3 ; ρ 1 =7.8g / cm 3 ; ρ i =1.37.8g / cm 3 ; η = 2%;

[0031] variable: m 1 ;

[0032] By the formula c(m i =(V-m 1 / ρ 1 -m 2 / ρ 2 ......) / ρ i ), calculate the theoretical glue loading amount corresponding to the skeleton weight m i . Considering the range of skeleton weight fluctuations and the acceptable degree of fluctuations in glue loading, according to the change of rubber material every 5g is a grade, calculate the corresponding skeleton weight and glue loading comparison table. As shown in the following table:

[0033] Skeleton weight and glue loading comparison table Unit: g

[0034]

[0035]

[0036] In actual production, weigh a set of skeleton weights, and look up the table to obtain the corresponding glue loading weight. For example, the weight of the skeleton is 1912g, and the amount of glue required to look up the table is 1005g, which is simple and easy.

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Abstract

The invention provides a mould pressing rubber composite product sizing material dynamic filling amount process method. The sizing material dynamic filling amount process method is characterized in that a traditional mass method is converted into a volume method. According to the mould pressing rubber composite product sizing material dynamic filling amount process method designed by the volume method, the problems of low product qualification rate and the like of a molded rubber product caused by uncertainty of the skeleton size are effectively solved, and the quality risk is reduced.

Description

technical field [0001] The invention relates to the technical field of rubber products, in particular to molded rubber products and multi-cavity injection molded rubber products. Background technique [0002] Molded rubber composite products are composed of skeleton and rubber material. The skeleton is subject to the requirements of material working conditions and processing. The fluctuation is large, especially for large rubber composite products. As a result, the following possibilities may occur in practice: 1. Large amount of glue, vulcanization and mold lifting lead to out-of-tolerance dimensions, burnt edges, and unqualified appearance; 2. Small amount of glue will cause lack of glue, resulting in unqualified appearance and undervoltage Bonding; in the process of use, it is manifested as unbalanced force, excessive heat generation, early failure, etc. [0003] The present invention relates to a process method for the dynamic filling amount of molded rubber composite ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C43/18B29C43/58
CPCB29C43/18B29C43/58B29C2043/5875
Inventor 谢祯宇薛刚来肖
Owner 谢祯宇
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