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310 stainless steel product and stainless steel powder injection molding feeding and preparation method

A powder injection molding, stainless steel technology, used in metal processing equipment, transportation and packaging, etc., can solve problems such as low production efficiency, difficult processing, complex structure, etc., to improve efficiency and reduce costs.

Active Publication Date: 2018-03-02
DONGGUAN HUAJING POWDER METALLURGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The traditional 310 stainless steel parts manufacturing method has low production efficiency, difficult processing and high processing cost, and products with complex structures cannot be processed, which has completely failed to meet the rapid development needs of the manufacturing industry in modern society.

Method used

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  • 310 stainless steel product and stainless steel powder injection molding feeding and preparation method
  • 310 stainless steel product and stainless steel powder injection molding feeding and preparation method
  • 310 stainless steel product and stainless steel powder injection molding feeding and preparation method

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0063] Pour 5 kg of 310 stainless steel metal powder into the mixing chamber of the kneader to preheat to 180-190°C, start the kneader and rotate slowly for 4-6r / min, and when the temperature of the 310 stainless steel metal powder is greater than 170°C, add the molding agent: 40 grams of fully refined paraffin, 15 grams of light and heat stabilizer, 30 grams of high-density polyethylene, 15 grams of TPR, 20 grams of polyethylene glycol, 15 grams of peanut oil and 365 grams of polyoxymethylene, reduce the temperature of the mixing chamber of the equipment to 175-185 ℃, until the material melts, then keep the temperature for 20-30 minutes, then cool down, extrude, cut, granulate and feed.

[0064] Choose a standard spline mold with a size of 100mm*10mm*5mm, install it on the injection molding machine, and heat it to a suitable temperature. The mold temperature is 80°C to 120°C, and the maximum melting temperature of the material tube of the injection machine does not exceed 195°...

example 2

[0068] Pour 4.95 kg of 310 stainless steel metal powder into the mixing chamber of the kneader to preheat to 180-190°C, start the kneader and rotate slowly for 4-6r / min, and add the molding agent after the temperature of the 310 stainless steel metal powder is greater than or equal to 170°C : 39 grams of fully refined paraffin, 15 grams of light and heat stabilizer, 30 grams of high-density polyethylene, 15 grams of TPR, 20 grams of polyethylene glycol, 15 grams of corn oil, 360 grams of polyoxymethylene, reduce the temperature of the mixing chamber of the equipment to 175 ~185°C, until the material melts, then keep the temperature for 20-30 minutes, then cool down, extrude, cut and granulate the feed.

[0069] Choose a standard spline mold with a spline size of 100mm*10mm*5mm, install it on the injection molding machine, and heat it to a suitable temperature. The mold temperature is 80°C to 120°C, and the maximum melting temperature of the material tube of the injection machin...

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Abstract

The invention relates to a 310 stainless steel product and stainless steel powder injection molding feeding and a preparation method. The 310 stainless steel powder injection molding feeding comprisesfollowing mass percentage of 310 stainless steel powder and molding agent: 90% to 92% 310 stainless steel powder and 8% to 10% molding agent; the molding agent comprises following components in partsby weight: 7 to 9 parts of paraffin, 2 to 4 parts of stabilizer, 5 to 7 parts of polyethylene, 2 to 4 parts of thermoplastic rubber, 3 to 5 parts of polyethylene glycol, 2 to 4 parts of vegetable oil, and 72 to 74 parts of polyoxymethylene. According to the above 310 stainless steel product and stainless steel powder injection molding feeding and the preparation method, the production mode of thewhole 310 stainless steel industry is renovated; by means of new technologies and new manufacture methods, the effect of reducing costs and improving efficiency of producing 310 stainless steel partssuch as 310 stainless steel parts is achieved.

Description

technical field [0001] The invention relates to metal powder injection molding technology, in particular to 310 stainless steel parts and stainless steel powder injection molding feeding and preparation methods. Background technique [0002] With the continuous advancement of social science and technology and the vigorous development of global industrialization, the powder metallurgy injection molding process has developed rapidly due to its many advantages, and its technology has been widely used in military, transportation, machinery, electronics, aerospace, aviation and other fields. [0003] MIM (Metal injection moulding, metal injection molding) feeding is the core process of metal injection molding products. Mixing at time and temperature, and then extrusion, cutting and granulation by screw to make injection molding feed. [0004] 310 stainless steel material is widely used in optical fiber communication industry, furniture decoration industry and food medical indust...

Claims

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Application Information

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IPC IPC(8): B22F1/00B22F3/22
CPCB22F3/225B22F2998/10B22F1/10B22F3/1017
Inventor 张伟明庞前列谢庆丰张柯
Owner DONGGUAN HUAJING POWDER METALLURGY
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