Smart Lock Gear PM Sintered Part
Qinhuangdao Zhongwei Precision Machine Parts Co., Ltd. (hereinafter referred to as "Zhongwei Precision") was founded in 1997. It is a well-known domestic expert who focuses on the research and development of powder metallurgy pm and mim processes, providing customers with various high-precision and complex mechanical hardware parts Powder metallurgy products, and give suggestions according to customer needs, customize overall solutions, help customers improve efficiency and save costs.
Product Introduction
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Smart lock gear PM sintered part |
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Item |
Material |
Production Process |
Sintering Temperature |
Mold |
Custom |
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Intelligent lock gear powder metallurgy |
440c |
Powder metallurgy |
1550℃ |
To be customized |
Yes |
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Chemical composition |
C ：0.95～1.20 Si： ≤1.00 Mn： ≤1.00 S ： ≤0.030 P ： ≤0.035 Cr：16.00～18.00 Ni：allowed to contain ≤0.60 |
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Available Materials |
Low carbon stainless steel, titanium alloy (Ti, TC4), copper alloy, tungsten alloy, hard alloy, high temperature alloy (718, 713) |
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Product advantages
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Smoothness |
Dimensional accuracy |
Product density |
Appearance treatment |
Appropriate weight |
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Roughness 1～5μm |
（±0.1%～±0.5%） |
92～95% |
Mirror reflection |
0.03g～400g） |
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Mechanical properties |
Hardness: annealed, ≤269HB; Quenching and tempering, ≥58HRC Mechanical behavior: Internal stress (250 N/mm2) Tensile strength (560 N/mm2) EL(18%) HB(250) |
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Heat treatment |
1) Annealing, slow cooling at 800～920℃; 2) Quenching, oil cooling at 1010～1070℃; 3) Tempering, rapid cooling at 100-180°C; 4. Preheating temperature, 649°C-816°C. |
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Qinhuangdao Zhongwei Precision Machine Parts Co., Ltd. (hereinafter referred to as "Zhongwei Precision") was founded in 1997. It is a well-known domestic expert who focuses on the research and development of powder metallurgy pm and mim processes, providing customers with various high-precision and complex mechanical hardware parts Powder metallurgy products, and give suggestions according to customer needs, customize overall solutions, help customers improve efficiency and save costs. Main business: copper base, iron base, stainless steel, powder metallurgy precision press molding (pm), precision lost wax casting and injection molding (mim), stainless steel and bronze powder porous sintered filter elements, etc.
Powder metallurgy technology has a series of advantages such as significant energy saving, material saving, excellent performance, high product precision and good stability, and is very suitable for mass production. Due to the development of powder metallurgy technology in recent years, industrial production technology has also made a good breakthrough. Copper is of great significance in the field of powder metallurgy production. Copper powder also has certain advantages in improving the thermal conductivity of powder metallurgy products. Next, Nitto Powder will analyze it in detail for you.
Copper has excellent thermal and electrical conductivity, as well as good corrosion resistance and mechanical properties. Copper is easily processed into complex shapes and filaments. We all know that copper is easy to form alloys with other elements, and is widely used to manufacture special-shaped forgings, castings and powder metallurgy products.
The alloy formed by copper and nickel has excellent performance in seawater corrosion resistance. Tin can improve the strength and corrosion resistance of copper in solid solution. Zinc and copper alloys, i.e. brass powder, are used in water pipes, locks, valves, fittings. Copper alloys containing nickel, tin, titanium, beryllium, and cobalt are as strong as high-strength steels and have high electrical and thermal conductivity. Copper and copper-zinc-aluminum alloys are often used to produce flake gold powder. Specific colors can be produced by adjusting the tin-nickel composition.
In the field of powder metallurgy, pure copper powder is used to produce electronic and heat-conducting components. Copper alloys containing tin, zinc, nickel, or iron are widely used in the automotive, lawn park equipment, tools, and electronics industries. Copper powder is used in self-lubricating bearings, in addition to fe-cu premixing, dialysis and friction material parts in the chemical industry. The most important and characteristic application of copper powder is the field of powder metallurgy. Materials in this field are not obtained by melting and casting, self-lubricating bearings and filters are typical applications in the field of powder metallurgy. These materials require proper control of porosity so that the oil content can achieve excellent lubricating effect.
Copper powder can be manufactured into electrical and electronic components with complex shapes through metal injection molding process. This product has good electrical and thermal conductivity. We can use high-purity copper powder to improve electrical and thermal conductivity by increasing the density of the part. The injection molding process can increase the density of copper powder, and the electrical conductivity and thermal conductivity of the product will increase accordingly.
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