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Preparation method of pure amino plastic bocce

A manufacturing method and technology of pure amino, which is applied in the field of manufacturing pure amino plastic throwing balls, can solve problems such as poor bonding, unstable center of gravity, cracking strength, etc., and achieve precise density control process, excellent center of gravity stability, avoiding direction The effect of deviation

Active Publication Date: 2018-07-06
KAIHUA RUIDA PLASTIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to overcome the above-mentioned shortcomings existing in the prior art, and provide a pure amino plastic throwing ball that solves the problems of poor bonding, hollowness, unstable center of gravity, severe cracking and poor strength caused by using two materials for plastic throwing balls. How to make a ball

Method used

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  • Preparation method of pure amino plastic bocce

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1, a kind of manufacture method of pure aminoplastic bocce ball, the method of the present invention comprises:

[0020] Cold-pressed star cake: put the amino molding compound in the star cake mold, pressurize at room temperature, the pressure is 60bar, keep the pressure for 1 second, and take out the product from the mold to become the star cake.

[0021] Color matching and pressing blank balls: first add the measured amino molding compound into the blank mold, place the pressed star cake on the surface of the amino molding compound according to the rules, then turn on the press, and the press reaches the set After the pressure is kept for 8 seconds, the mold is released, and the set pressure is 100 bar, that is, one half of the rough ball is obtained, and the other half of the rough ball is made in the same way, and the combination is a rough ball.

[0022] Preheating: Place the rough ball in a high-frequency preheating machine, preheat for 15 seconds with ...

Embodiment 2

[0025] Embodiment 2, a kind of manufacture method of pure aminoplastic bocce ball, the method of the present invention comprises:

[0026] Cold-pressed star cake: put the amino molding compound in the star cake mold, pressurize at room temperature, the pressure is 60bar, keep the pressure for 1.5 seconds, and take out the product from the mold to become the star cake.

[0027] Color matching and pressing blank balls: first add the measured amino molding compound into the blank mold, place the pressed star cake on the surface of the amino molding compound according to the rules, then turn on the press, and the press reaches the set The pressure is maintained for 9 seconds and the mold is released. The set pressure is 100 bar, that is, one half of the rough ball is obtained, and the other half of the rough ball is made in the same way, and the combination is a rough ball.

[0028] Preheating: Place the rough ball in a high-frequency preheating machine, preheat for 30 seconds wit...

Embodiment 3

[0032] Cold-pressed star cake: put the amino molding compound in the star cake mold, pressurize at room temperature, the pressure is 60bar, keep the pressure for 2 seconds, and take out the product from the mold to become the star cake.

[0033] Color matching and pressing blank balls: first add the measured amino molding compound into the blank mold, place the pressed star cake on the surface of the amino molding compound according to the rules, then turn on the press, and the press reaches the set After the pressure is kept for 10 seconds, the mold is released, and the set pressure is 100 bar, that is, one half of the green ball is obtained, and the other half of the green ball is made in the same way, and the combination is a green ball.

[0034] Preheating: Place the rough ball in a high-frequency preheating machine, preheat for 45 seconds with a current of 0.2A (adjusted according to the ambient temperature), and the preheating is completed.

[0035] Curing molding: put t...

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Abstract

The invention discloses a preparation method of a pure amino plastic bocce. The preparation method disclosed by the invention comprises the steps of cold pressing of a star discus, color matching, pressing of a rough ball, preheating, curing and molding and demolding after-treatment. The preparation method disclosed by the invention solves the problems of poor adhesion, hollow structure, unstablecenter of gravity, serious cracking, poor strength and the like caused by adopting two materials for preparing the plastic bocce. The plastic bocce prepared by the preparation method disclosed by theinvention has specific low bounce performance and excellent stability of the center of gravity, can effectively improve the competition result, and can avoid direction deviation during ball movement.

Description

technical field [0001] The invention specifically relates to a method for making a pure aminoplastic bocce ball. Background technique [0002] According to the competition rules of the International Ground Federation, the specifications of plastic bocce balls mainly include: 107 / 920, 107 / 910, 107 / 900, 108 / 930, 108 / 920, 106 / 910, 106 / 900, etc. The balls are different according to the specifications. , with a wide density distribution. [0003] Aminoplasts and phenolic plastics are typical thermosetting plastics, which are characterized by high surface hardness, high strength, no deformation, and low shrinkage. In particular, aminoplasts have unique colorability and bright features, and because the density of their materials is the closest to that of bocce balls, they are suitable for the manufacture of plastic balls. The general density range of its materials is: amino plastic 1.45 ~ 1.49; phenolic plastic 1.33 ~ 1.45. [0004] In terms of production process and material se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C71/00B29C71/02B29C43/18B29C43/20
CPCB29C43/18B29C43/20B29C71/00B29C71/02
Inventor 杨国华程友良方国有韩明吉
Owner KAIHUA RUIDA PLASTIC TECH
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