Mold material with long service life

A mold material and long-life technology, applied in the field of mold materials, can solve problems such as reduced service life, poor toughness, and easy breakage, and achieve the effects of long service life, easy pick-up, and low processing cost and difficulty

Inactive Publication Date: 2019-03-29
徐州鼎力模具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing die steel has poor toughness during use, and it is prone to fracture after long-term use, which greatly reduces the service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A mold material with long service life, its mass parts composition is as follows: 12 parts of epoxy modified silicone resin, 12 parts of carbon fiber, 2.4 parts of plasticizer, 1.2 parts of binder, 9 parts of minerals, 12 parts of silicon carbide abrasive 3.2 parts of talcum powder, 5.6 parts of powdery phenolic resin, 1.2 parts of stabilizer, 0.68 part of pigment, 2.4 parts of reinforcing agent, 0.8 part of emulsifier, 1.2 parts of accelerator;

[0017] The trace elements (in parts by weight) include: 1.2 parts of sodium, 4.8 parts of iron, 2.3 parts of tungsten, 1.2 parts of carbon, and 0.8 parts of copper.

[0018] Wherein, the length of the carbon fiber is 6-10mm.

[0019] Wherein, the plasticizer is selected from a mixture of bis(2-ethylhexyl) phthalate and di-n-octyl phthalate, and its mass ratio is 1:2.

[0020] Wherein, the binder is a heat-resistant and water-resistant vinyl acetate polymer latex binder.

[0021] Wherein, the particle size of talcum powder is...

Embodiment 2

[0023] A mold material with a long service life, its composition by mass is as follows: 14 parts of epoxy modified silicone resin, 15 parts of carbon fiber, 6 parts of plasticizer, 2.4 parts of binder, 10 parts of mineral, 15 parts of silicon carbide abrasive part, 3.6 parts of talcum powder, 7.2 parts of powdered phenolic resin, 1.5 parts of stabilizer, 0.7 part of pigment, 3.2 parts of reinforcing agent, 1.6 parts of emulsifier, and 1.8 parts of accelerator;

[0024] The trace elements (in parts by weight) include: 2.5 parts of sodium, 5 parts of iron, 2.8 parts of tungsten, 1.8 parts of carbon, and 1.8 parts of copper.

[0025] Wherein, the length of the carbon fiber is 6-10mm.

[0026] Wherein, the plasticizer is selected from a mixture of bis(2-ethylhexyl) phthalate and di-n-octyl phthalate, and its mass ratio is 1:2.

[0027] Wherein, the binder is a heat-resistant and water-resistant vinyl acetate polymer latex binder.

[0028] Wherein, the particle size of talcum pow...

Embodiment 3

[0030] A mold material with a long service life, its composition by mass is as follows: 16 parts of epoxy modified silicone resin, 18 parts of carbon fiber, 7.2 parts of plasticizer, 3.2 parts of binder, 16 parts of mineral, 18 parts of silicon carbide abrasive 4.8 parts, 4.8 parts of talcum powder, 8.4 parts of powdered phenolic resin, 1.8 parts of stabilizer, 0.8 part of pigment, 4.8 parts of reinforcing agent, 2.4 parts of emulsifier, 2.4 parts of accelerator;

[0031] The trace elements (in parts by weight) include: 3.8 parts of sodium, 6.4 parts of iron, 3.6 parts of tungsten, 2.4 parts of carbon, and 3.2 parts of copper.

[0032] Wherein, the length of the carbon fiber is 6-10mm.

[0033] Wherein, the plasticizer is selected from a mixture of bis(2-ethylhexyl) phthalate and di-n-octyl phthalate, and its mass ratio is 1:2.

[0034] Wherein, the binder is a heat-resistant and water-resistant vinyl acetate polymer latex binder.

[0035] Wherein, the particle size of talcu...

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Abstract

The invention relates to the technical field of molds, and especially relates to a mold material with a long service life. The mold material comprises, by mass, 12-16 parts of epoxy modified siliconeresin, 12-18 parts of carbon fibers, 2.4-7.2 parts of a plasticizer, 1.2-3.2 parts of a binder, 9-16 parts of minerals, 12-18 parts of a silicon carbide abrasive, 3.2-4.8 parts of talcum powder, 5.6-8.4 parts of powdery phenolic resin, 1.2-1.8 parts of a stabilizer, 0.6-0.8 part of a pigment, 2.4-4.8 parts of a reinforcing agent, 0.8-2.4 parts of an emulsifier and 1.2-2.4 parts of an accelerator,and further comprises the following trace elements, by weight, 1.2-3.8 parts of sodium, 4.8-6.4 parts of iron, 2.3-3.6 parts of tungsten, 1.2-2.4 parts of carbon and 0.8-3.2 parts of copper. The moldmaterial is softer than steel, so the processing cost and the processing difficulty are low; and the minerals are used, so the mold material does not adhere to metals, has few mold sticking phenomenathan steel molds, and also has the advantages of easiness in member picking, no scratches on the surface, good durability, good wear resistance and long service life.

Description

technical field [0001] The invention relates to the technical field of molds, in particular to a mold material with long service life. Background technique [0002] A mold is a tool used to shape objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the article through the change of the physical state of the formed material. According to the different molding materials, molds can be divided into metal molds and non-metal molds. Metal molds are divided into: casting molds (non-ferrous metal die-casting, steel casting) and forging molds, etc.; non-metal molds are divided into: plastic molds and inorganic molds. Non-metal molds. According to the different materials of the mold itself, the mold can be divided into: sand mold, metal mold, vacuum mold, paraffin mold and so on. Among them, with the rapid development of polymer plastics, plastic molds are closely related to people's ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/04C08L61/06C08L31/04C08K13/04C08K7/06C08K3/34C08K5/12B29C33/40
CPCC08L83/04B29C33/40C08L2205/03C08L61/06C08L31/04C08K13/04C08K7/06C08K3/34C08K5/12
Inventor 魏浩刘苗
Owner 徐州鼎力模具有限公司
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