Sintered Metal MIM Earphone Components Stainless Steel Powder Metallurgy Machinery Parts

Custom Made  Stainless Steel Powder Metallurgy Sintered Parts

Sintered Parts Services

Sintered Metal Process

Powder Mixing

Mix <20 µm typical powder with polymer (binder) system to produce the MIM feedstock. Theoretically speaking, the smaller the particle is, the bigger its specific surface will be, which is good for molding and sintering.

Granulation

The evenness of the mixture directly influences its fluidity and further influences the technical parameter of the injection molding, and the density and other performances of the final material.

Molding Injection

Mold complex components from the feedstock using standard plastic injection molding equipment & techniques. During injection molding, the mixture is heated in the injection molding machine into plastic material with rheology, and then injected into the mold under certain pressure to mold a blank.

Sintering/Debinding

Remove the plastic binder by sintering parts in a high temperature H2/N2 pusher furnace. The high density of MIM component is achieved through high sintering temperature and long sintering time, which greatly improves the mechanical property of the component.

Equipment advantages: 

Mixing machine, Injection molding machines, Degreasing furnaces, Vacuum sintering furnace; Automatic pressing machine, Repressing machine, CNC machining equipment, finishing machining machine, polishing machine, Automatic oil punching machine and so on...

Testing equipment: 

Projector, Salt spray test machine, Partial pendulum instrument, electronic balance, electronic gravity apparatus, universal tester, Rockwell hardness tester, Density tester, gauge block, dial indicator, micrometer, Vernier.

What's the MIM technology and its advantages and features.

Simple to Complex Designs

A multitude of design capabilities as there is no extra cost for unlimited features or markings, precision complex net-shape components from a variety of compositions

Metal Variety

Suitable for almost any type of metal, it can use all kind of metal material(such as stainless steel, iron, ceramic and titanium, etc)

Low Tolerances

Metal injection molding can maintain low overall dimensional and locational tolerances 

Quick Prototyping

Quick turnaround on short runs. Compound tooling can combine more than one prototype with the same material

Low Cost Modifiable Tooling

Produced quickly and low-cost revisions, MIM injection molding can produce precise part geometry without cutting and secondary processing. It can produce high-density and highly complex structural parts and reduce costs for the whole production.  its finished products is close to final products, reducing the post-treatment cost, and then save production cost

Intact Metal Properties

The density of structural parts varies greatly. The friction between PM powder and tools will make the parts uneven. The MIM injection molded parts are uniform in all directions, and the relative density can reach 95% - 99%. The sintering temperature of MIM is much higher than that of PM, the strength, toughness and wear resistance of MIM injection molding are significantly higher, and the utilization of raw materials is high.

compared with tranditional CNC and precision casting process, the structure are more even and preformance is much better

compared with PM(Powder Metallurgy), MIM can produce more complex shape and better preformance metal products.

Environmentally Responsible

The metal injection molding solution (raw materials) is recyclable, safe to use, and can be reused for future metal molding

Production cost comparision between MIM and other processes

Cost Effective Design Flexibility/ Material Variety and Integrity

Powder metallurgy can ensure the accuracy and uniformity of the material composition ratio. Suitable for producing products of the same shape and large quantities, low production cost. 

Compare with other Metal Manufacture Process 

Service:

1, 100% inspection before shipment.

2, Satisfied packing, carton, wooden case, pallet,or according to your requirement.

3, Samples are within 35-40 days after the receipt of the deposit. production will be finished about 25-30days after samples confirma

Production Capacity comparision of MIM and other process

Most difficult metals and compounds, pseudo alloys, porous materials can only be manufactured by powder metallurgy

 The Main Material For Sintered Metal Part
Sintered metal is applicable to wide range of materials which includes low alloy steel, stainless steel, tool steel, nickel-based alloys, tungsten alloy, carbide, titanium, magnetic materials, Kovar alloy and fine ceramics, etc.


Table 1 Typical Sinterd Metal Materials and Applications:

Table 2 Typical Properties of Several Sintered Metal Materials: