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Precision casting wax granular molding material and preparation method and application of precision casting wax granular molding material

A technology of precision casting and wax particles, applied in the direction of casting molding equipment, etc., can solve the problems of wax mold surface quality influence, poor strength, high ash content, etc., and achieve the effect of broad market competitiveness, low melting point, convenient transportation and processing

Inactive Publication Date: 2018-05-29
广州市德隆化工贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because too much filler is added, the mold material has a great influence on the surface quality of the prepared wax model, and at the same time, the strength is poor and it is easy to crack
Difficult in casting lost wax step with high ash content

Method used

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  • Precision casting wax granular molding material and preparation method and application of precision casting wax granular molding material
  • Precision casting wax granular molding material and preparation method and application of precision casting wax granular molding material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] 70# microcrystalline wax (60%), montan wax (remainder, about 10%), palm wax (10%) are added in the reaction kettle, 95 ℃ of heating and stirring until all melting; Stirring then adds C5 petroleum resin (10%) %), EVA (10%), ultraviolet absorber uv-9 (5‰), antioxidant 1010 (5‰), continue to stir at constant temperature for 30min after melting completely, then transport the wax liquid to the dispenser, and the temperature of the dispenser is 95℃, and formed by steel belt material selection, the steel belt line speed is 4 ~ 5m / min; use cold air or cold water to cool the wax drop, the top of the steel belt is cooled by cold air, the temperature is 19℃, and the water cooling during the steel belt transmission is 2 Stage cooling, the cooling water in the front stage is normal temperature cooling water, and the rear stage is cooled by cooling water at 9°C, the granular wax is obtained in the receiver, and then sieved to obtain the investment casting wax granular mold material of...

Embodiment 2

[0038]Add 58# paraffin wax (remainder, about 60%), beeswax (10%), montan wax (10%), and palm wax (10%) into the reaction kettle, heat and stir at 95°C until all melted; then stir and add C5 Petroleum resin (10%), ultraviolet absorber uv-9 (4.5‰), antioxidant 1010 (4.5‰), continue to stir at constant temperature for 30 minutes after completely melting, and then transport the wax liquid to the dispenser, the temperature of the dispenser is 100°C , and formed by steel belt material selection, the steel belt line speed is 4 ~ 5m / min; use cold air or cold water to cool the wax drop, the top of the steel belt is cooled by cold air, the temperature is 19 ℃, and the water cooling is 2-stage cooling during the steel belt transmission process , the cooling water in the front section is normal temperature cooling water, and the rear section is cooled by cooling water at 9°C, the granular wax is obtained in the receiver, and then sieved to obtain the investment casting wax granular molding...

Embodiment 3

[0041] Add 58# paraffin wax (35%), 682# microcrystalline wax (35%), beeswax (5%), montan wax (balance, about 5%), ozokerite (10%), palm wax (5%) Put it in the reaction kettle, heat and stir at 95°C until it is completely melted; then add EVA (5%), ultraviolet absorber uv-9 (4.5‰) and antioxidant 1010 (4.5‰) with stirring, and continue to stir at constant temperature for 30 minutes after melting completely. Then the wax liquid is transported to the dispenser, the temperature of the dispenser is 100°C, and the material is selected and formed by the steel belt, the steel belt line speed is 4-5m / min; the wax drops are cooled by cold air or cold water, and the steel belt is cooled by cold air. The temperature is 19°C, and the water cooling in the steel strip conveying process is 2-stage cooling. The cooling water in the front stage is normal temperature cooling water, and the cooling water in the rear is 9°C. Granular wax is obtained in the receiver, and then sieved to obtain the pr...

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Abstract

The invention belongs to the technical field of precision casting and discloses a precision casting wax granular molding material and a preparation method and application of the precision casting waxgranular molding material. The precision casting wax granular molding material comprises components including, by mass percent, 50%-70% of petroleum wax, 0%-10% of animal wax, 10%-15% of mineral wax,0%-15% of vegetable wax, 0%-15% of petroleum resin, 0%-10% of flexibilizer, 0.0%-0.5% of an ultraviolet light absorbent and 0.0%-1% of an antioxygen. The raw material of petroleum wax is stable and easy to obtain, the petroleum wax serves as a raw material, the cost of the printing wax powder material is greatly reduced, meanwhile, the animal wax, the mineral wax, the vegetable wax, the petroleumresin, the flexibilizer and the like are added to improve the tenacity, the strength and the hardness, the molding material is low in viscosity and melting point and good in flowability, and the granular material is convenient to transport and process. By means of a formula without rosin, it is guaranteed that the casting wax can be repeatedly used several times and is good in environment affinity, meanwhile, the process is simple, the working efficiency is improved, the cost is reduced, and wide market prospects and market competitiveness are achieved.

Description

technical field [0001] The invention belongs to the technical field of precision casting, and in particular relates to a precision casting wax particle mold material and a preparation method and application thereof. Background technique [0002] Investment casting is also called investment precision casting, which uses the lost wax method as the casting method, takes the final product as a copy, presses the wax mold material into an accurate casting model, and then coats the refractory material on the wax mold; the slurry is dried and solidified Finally, the mold shell is formed, and then the wax mold in the solidified mold shell is melted by high-temperature steam or hot water demoulding, and the casting wax flows out to obtain a hollow cavity inside; the hollow mold shell is fired at high temperature to remove Other substances inside the mold shell and further strengthen and dry the mold shell; inject the target metal solution that meets the quality requirements into the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/02C08L91/06C08L57/02C08L23/08
CPCB22C7/02C08L91/06C08L2205/025C08L2205/035C08L57/02C08L23/0853
Inventor 范智勇汤从海范德贤
Owner 广州市德隆化工贸易有限公司
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