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MIM vacuum degreasing sintering integrated furnace

MIM is a new metal component near net forming technology formed by introducing modern plastic injection molding technology into the field of powder metallurgy. It is a rapidly developing high-tech in the field of powder metallurgy and industry in recent years. The process steps of MIM are as follows: first, select metal powder that meets the requirements of MIM and mix it with organic binder under certain temperature conditions using appropriate methods to form a uniform feed. Then, after granulation, inject it into the mold cavity using an injection molding machine in a heated and plasticized state to obtain the formed blank. Then, degrease treatment is carried out by chemical or solvent extraction, and finally, the final product is obtained by sintering and densification.
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Business Area

Automation

Furnace

Powder metallurgy sintering furnace series

  • DESCRIPTION
    • Commodity name: MIM vacuum degreasing sintering integrated furnace
    • Commodity ID: MIM vacuum degreasing sintering

    MIM is a new metal component near net forming technology formed by introducing modern plastic injection molding technology into the field of powder metallurgy. It is a rapidly developing high-tech in the field of powder metallurgy and industry in recent years. The process steps of MIM are as follows: first, select metal powder that meets the requirements of MIM and mix it with organic binder under certain temperature conditions using appropriate methods to form a uniform feed. Then, after granulation, inject it into the mold cavity using an injection molding machine in a heated and plasticized state to obtain the formed blank. Then, degrease treatment is carried out by chemical or solvent extraction, and finally, the final product is obtained by sintering and densification.

    Features of MIM products: 

    1. The geometry of parts has a high degree of freedom, and it can produce metal parts with complex shapes at one time like the production of plastic products.

    2. MIM products have uniform density, good finish, surface roughness can reach Ra 0.80~1.6μm, weight range of 0.1~200g, high dimensional accuracy (±0.1%~±0.3%), generally no follow-up processing is required.

    3. The applicable materials are wide, the application field is wide, the raw material utilization rate is high, the production automation degree is high, the process is simple, and continuous mass production can be realized.

    4. The product quality is stable, the performance is reliable, the relative density of the product can reach 95% ~ 99%, and heat treatment such as carburizing, quenching, tempering and so on can be carried out, and the product has high mechanical properties such as strength, hardness and elongation, good wear resistance, fatigue resistance and uniform structure.

    It is generally believed that the development of MIM technology will lead to a revolution in parts forming and processing technology, and is known as "the hottest parts forming technology in the 21st century".

    Production process

    1. Product technical exchange→ product design→ mold design→ mold manufacturing

    2. Metal, ceramic powder, adhesive → mixing→ injection molding→ adhesive removal→ sintering→ deep processing (as needed) → inspection → finished products

    Technical features:

    1. The circular furnace structure and circular heater are arranged, and the furnace temperature uniformity is good.

    2. Imported thermal insulation structure and materials are adopted, with less volatile atmosphere and stable product performance.

    3. Multi-zone independent control to adjust the temperature uniformity.

    4. The special structure of the degreasing box is adopted, the sealing effect is good, the degreasing is complete, and there is no pollution to the components in the furnace.

    5. The equipment has the functions of flexible vacuuming, micro positive pressure sintering, negative pressure 10-80kpa partial pressure sintering, negative pressure degreasing and H2 micro positive pressure degreasing.

    6. Pulse degreasing system, "gargle" function, degreasing without dead ends.

    7. Three-stage dewaxing system, high-efficiency capture molding agent.

    8. Filter system before pump to ensure that the vacuum pump is clean.

    9. 15-inch touch screen operation, PLC centralized control, high degree of automation, one-key operation.

    10. It has the functions of fault alarm such as over-temperature and over-pressure, mechanical automatic pressure protection, action interlocking, etc., and the equipment has high safety.

    11. The equipment has the functions of remote fault diagnosis and remote software upgrade, and the service is by your side.

    12. Vacuum pipeline quick installation system, more efficient disassembly, assembly and maintenance.

    13. Equipped with rapid cooling system to quickly cool down and improve production efficiency.

    14. Integrated installation, fast installation and commissioning.

     

    Technical parameters

    Model Effective space Maximum temperature (°C) Operating Temperature (°C) Can be filled with gas Vacuum leakage rate (Pa/h) Ultimate Vacuum (Pa) Temperature Uniformity (°C) Plate area Total power(KW)
    ME-4415 400×400×1500 1600℃ 1500℃ N2 On H2 3 1 ≤±3 8.6 sq.m 160
    ME-5518 500×500×2000 1600℃ 1500℃ N2 On H2 3 1 ≤±5 17 square meters 220
    ME-5527 500×500×2700 1600℃ 1500℃ N2 On H2 3 1 ≤±5 25 square meters 400

     

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