Question 1

What core info is needed for customization?

Accepted Answer

Provide 3D models (STP/IGS), 2D CAD drawings, material specs, tolerance demands, and DFM requirements.

Question 2

How to choose between MIM and PM?

Accepted Answer

MIM is for complex near-net-shape parts; PM is for high-volume simple structures with cost advantages.

Question 3

What causes MIM sintering deformation?

Accepted Answer

Uneven powder distribution or improper sintering temperature; solved by digital twin simulation and fixture calibration.

Question 4

Which materials are mainstream for MIM/PM?

Accepted Answer

316L stainless steel, 17-4PH, titanium alloy, and high-sphericity pre-alloyed powder (10-45um).

Question 5

How to resolve MIM binder residue?

Accepted Answer

Adopt stepwise thermal degreasing + solvent degreasing, controlled at 200-400'C with inert gas protection.

Question 6

What's the typical lead time?

Accepted Answer

MIM: 15-30 days (3D printed molds shorten trial run by 40%); PM: 10-25 days for high-volume production.

Question 7

How to ensure dimensional precision?

Accepted Answer

Control sintering shrinkage (12-20%), apply post-sintering CNC machining, and adopt PVD surface treatment.

Question 8

What's the common payment structure?

Accepted Answer

30-40% down payment for raw materials, balance paid before delivery; flexible terms for long-term cooperation.

Question 9

How to prevent PM porosity?

Accepted Answer

Optimize compaction pressure, use high-purity powder (oxygen content <0.15%), and enhance sintering densification.

Question 10

Can recycled materials be used?

Accepted Answer

Add 30-50% recycled MIM feedstock; re-adjust injection parameters to avoid binder degradation.

Question 11

Who is responsible for maintenance?

Accepted Answer

Manufacturer provides 1-year free warranty for non-human damage; post-warranty offers laser repair service.

Question 12

How does smart manufacturing help?

Accepted Answer

AI-driven mold flow analysis and real-time sintering monitoring cut defect rates by 30%.

Question 13

What causes MIM flash defects?

Accepted Answer

Insufficient mold clamping force or gaps; resolved by optimizing mold rigidity and injection pressure.

Question 14

What post-processing enhances performance?

Accepted Answer

Heat treatment (quenching-tempering), steam treatment, and shot blasting for surface strengthening.

Question 15

How to ensure IP security?

Accepted Answer

Sign tooling ownership agreements, mark unique identifiers, and prohibit unauthorized reuse via contracts.

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