Nickel aluminum bronze plastic mould material and preparation method thereof

A plastic mold, aluminum-nickel bronze technology, applied in the field of copper alloy plastic mold materials, can solve the problem of high production cost, and achieve the effects of long service life, smooth mold processing surface, and high compressive strength

Active Publication Date: 2015-07-01
HUAWEI TEHCHNOLOGIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rapid development of my country's mold industry relies on imports of mold materials, which leads to high production costs for enterprises

Method used

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  • Nickel aluminum bronze plastic mould material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 1. Component analysis and proportioning

[0031] 1. Chemical analysis of electrolytic copper, electrolytic nickel, electrolytic manganese, electrolytic zinc, industrial pure iron, industrial pure titanium, industrial pure aluminum and industrial pure boron,

[0032] 2. Content ratio by mass percentage: Al 11%, Ni 4%, Fe 4%, Mn 1.5%, Ti 0.25%, B 0.25%, Zn 0.07%, the rest is Cu, and the total mass percentage is 100%.

[0033] 2. Preparation of Master Alloy

[0034] Electrolytic copper and industrial pure aluminum, electrolytic copper and industrial pure boron, electrolytic copper and industrial pure titanium are respectively according to mass ratio: electrolytic copper: industrial pure aluminum = 1:1, electrolytic copper: industrial pure boron = 50:1, electrolytic copper : Industrial pure titanium=25:3, smelted in a vacuum intermediate frequency induction furnace to prepare copper-aluminum master alloy, copper-boron master alloy and copper-titanium master alloy;

[0035...

Embodiment 2

[0044] 1. Weigh the charge according to the following mass percentages: Al 10%, Ni 3%, Fe 3%, Mn 1%, Ti 0.3%, B 0.3%, Zn 0.1%, the rest is Cu, and the total mass percentage is 100% .

[0045] 2. The preparation method is the same as in Example 1, and the melting temperature is strictly controlled at 1290°C, the furnace temperature at 1230°C and the pouring temperature at 1160°C.

Embodiment 3

[0047] 1. Weigh the charge according to the following mass percentages: Al 12%, Ni 5%, Fe 5%, Mn 2%, Ti 0.2%, B 0.2%, Zn 0.05%, the rest is Cu, and the total mass percentage is 100% .

[0048] 2. The preparation method is the same as in Example 1, and the melting temperature is strictly controlled at 1280°C, the furnace temperature at 1240°C and the pouring temperature at 1155°C.

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Abstract

The invention discloses a nickel aluminum bronze plastic mould material. The nickel aluminum bronze plastic mould material comprises the following components by weight percent: 10-12% of Al, 3-5% of Ni, 3-5% of Fe, 1-2% of Mn, 0.2-0.3% of Ti, 0.2-0.3% of B, 0.05-0.1% of Zn and the balance of Cu. The material provided by the invention is high in compression strength and excellent in heat conduction, heat dissipation, thermal fatigue resistance, abrasive resistance and corrosion resistance; the service life of the mould is 3-6 times higher than that of the traditional iron alloy steel plastic mould material; the material is excellent in cold and heat process molding and smooth in mould processing surface, is used for high polymer plastic forming, is high in plastic product size precision, clear in ornamentation and beautiful on the surface and has higher performance than that of the iron alloy mould material. The invention also discloses a preparation method of the nickel aluminum bronze plastic mould material.

Description

technical field [0001] The invention relates to the field of copper alloy plastic mold materials, in particular to a novel aluminum-nickel bronze plastic product molding mold material for bearing compressive stress and calendering and a preparation method thereof. Background technique [0002] With the development of modern industry and the advancement of science and technology, the use and consumption of polymer plastics in modern industry and people's daily life are increasing rapidly, and the varieties of polymer plastic products are increasing day by day. Increasingly, the use of traditional ferroalloy mold materials to make plastic product molding molds has thermal conductivity, heat dissipation, service life, precision plastic mold processability, machining accuracy of geometric dimensions and surface finish, as well as the precision and surface finish of plastic products made of ferroalloy mold materials. The beauty and clarity of the pattern are far inferior to the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/01
Inventor 谢春生孙梦龙
Owner HUAWEI TEHCHNOLOGIES CO LTD
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