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What's the Metal Injecting Molding ?

Metal Injection Molding (MIM) is an efficient and precise metal processing technology that combines the advantages of plastic injection molding and traditional powder metallurgy processes. it allows the production of complex shaped metal parts and achieves high density and detailed while achieving near net forming.

Main steps of metal injection molding: Mixed material ,Pulverizc material, Pallctizing, Molding, Debinding, Sintering,Treatment.

Advantage of Metal Injection Molding

  • Capable of producing small metal ceramics and other components with complex shapes in one time.(weight:0.1-500g, High Quality,High material and Longer process time)
  • The structure of each part of the workpiece is uniform, with high dimensional accuracy and relative density (high mechanical properties sush as product strength, hardness, elongation, good wear resistance ,fatigue resistance, uniform struture, density ranging from 95% to 99.5% mixed density, near cast or forged parts)
  • Low product cost, good surface finish, good sintering accuracy, generally 0.003-0.005 inch/inch,precision<0.05%,generally without the need for subsequent processing. Good surface roughness<Ra5, Manufacturig Good Surface Polishing.
  • Stable product Quality, High production efficiency, high utilization of raw materials, high degree of production automation, simple process and easy to achieve large- scale production
  • It can be widely used for precise and complex geometric objects, as well as various alloys ,mixtures and characteristic materials. Thickness >0.5mm
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Material for Metal Injecting Molding

Wide range of materials can be used to make products with high strength, high toughness, high hardness, high tempetature resistance ,electrical properties ,magnetism ,high heat dissipation and low thermal expansion.
  • Low-alloy steel:Fe2Ni,Fe8Ni
  • Stainless steel:316L,17-4PH,420,440C
  • Carbide:WC-Co
  • Ceramics:AL203,ZrO2,SiO2
  • Heavy Alloy:W-Ni-Fe,W-Ni-Cu
  • Ti Alloy:Ti, Ti-6Al-4V
  • Magnetic Material:Fe, NdFeB, SmCO5, Fe-Si
  • Tooling  Steel:CrMo4, M2

Application Industry of Metal Injection Molding

  • Computers and their auxiliary facilities: Such as printer parts, Magnetic Cores, Striker Pins and Drive Parts
  • Tools: Drill bits, Cutting Heads, Nozzles, Gun Drills, Spiral Milling Cutters, Punches, Sockets, Wrenches, Electrical Tools, Hand tools
  • Household Appliances: Watch Cases, Watch Chains, Electric Toothbrushes, Scissors, Fans, Golf ball heads, Jewelry Chains, Ballpoint pen clamps, Cutting Tooling blades and other components
  • Medical machinery parts: Dental braces, Scissors, Tweezers
  • Military Parts: Missile Tail, Gun parts, Warheads, Shaped Charge covers and Fuse parts
  • Electrical Components :Micro Motors, Electronic components ,Sensor Components
  • Mechanical parts: Cotton Loosoning machines, Textile Machines, Edge rolling machines, Office machinery 
  • Automotive and marine parts: Clutch inner ring, Fork Sleeve, Distributor Sleeve , Value Guide, Synchronous hub, Safety Airbag.
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