Question 1

Are you a manufacturer or trading company?

Accepted Answer

We are a direct manufacturer - 2,000 sqm, 17 years of experience, 30+ CNC machines including 5-axis centers, ISO9001, 3D CMM. Send inquiry for a live video tour of our shop floor.

Question 2

What is 17-4 PH stainless steel?

Accepted Answer

17-4 PH (UNS S17400) is a martensitic precipitation-hardening stainless steel containing approximately 17% chromium and 4% nickel. It offers high strength, hardness, and excellent corrosion resistance.

Question 3

Why is 17-4 PH used for wafer handling components?

Accepted Answer

17-4 PH offers high strength (up to 1,310 MPa) for lightweight robotic arms, excellent corrosion resistance for cleanroom environments, and vacuum compatibility for semiconductor equipment.

Question 4

What is the advantage of 5-axis machining for wafer handling components?

Accepted Answer

5-axis machining allows complex wafer handling components (robotic arms, end effectors, alignment fixtures) to be machined in a single setup, eliminating tolerance stack-up and enabling complex geometries like thin-wall structures.

Question 5

What heat treatment condition do you recommend for wafer handling components?

Accepted Answer

H900 - maximum strength (>= 1,310 MPa), ideal for robotic arms and end effectors requiring high strength-to-weight ratio.

Question 6

Can you achieve thin-wall structures?

Accepted Answer

Yes. With 5-axis machining and optimized parameters, we can achieve thin-wall structures with tight positional tolerances (+/-0.005-0.01mm).

Question 7

What surface finish can you achieve?

Accepted Answer

As-machined Ra <= 0.8um. Mechanical polished Ra <= 0.4um. Electropolished Ra <= 0.2um for ultra-smooth, cleanroom-ready surfaces.

Question 8

Do you offer electropolishing?

Accepted Answer

Yes - we partner with certified electropolishing vendors. Electropolishing creates ultra-smooth, passivated surfaces and minimizes particle generation.

Question 9

Do you offer cleanroom cleaning and packaging?

Accepted Answer

Yes - we provide multi-stage ultrasonic cleaning, DI water rinse, and Class 100 / ISO 5 cleanroom packaging.

Question 10

Can you hold tight tolerance on 17-4 PH?

Accepted Answer

Yes. With 5-axis machining, rigid setups, and CMM inspection, we consistently achieve +/-0.003mm on critical dimensions.

Question 11

What thread types can you machine?

Accepted Answer

NPT, NPTF, BSPP, BSPT, UN/UNF/UNC, Metric, and custom threads.

Question 12

Is 17-4 PH suitable for vacuum environments?

Accepted Answer

Yes - 17-4 PH vented components are ideal for use in high vacuum and ultra-high vacuum equipment.

Question 13

How to get a quote?

Accepted Answer

Send drawings (PDF/STEP/IGS/DWG) with: material (17-4 PH), heat treatment condition, 5-axis machining requirement, tolerance, surface finish requirement, and quantity. No drawing? Send a sample, photo, or sketch - free engineering support.

Question 14

What is your lead time for 5-axis machined 17-4 PH wafer handling components?

Accepted Answer

Sample (1-5 pcs): 12-18 days. Batch production: 3-4 weeks. Rush service - please inquire.

Question 15

Do you offer samples?

Accepted Answer

Yes. Sample fee is fully refundable upon mass production order. Sample includes full inspection report and material certificate.

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