Question 1

What core info is needed for customization?

Accepted Answer

Provide 3D/2D (CAD/STP) drawings, material specs (304/6061), tolerance demands (s0 2768), and DFM requirements.

Question 2

How to resolve laser cutting burrs?

Accepted Answer

Optimize focus position, use high-purity nitrogen (299.99%), and adjust cutting speed-power matching.

Question 3

What causes bending rebound?

Accepted Answer

Material elasticity (e.g. high-strength steel) or improper V-groove selection; solved by FEA simulation and angle compensation.

Question 4

Which materials are commonly used?

Accepted Answer

SPCC cold-rolled steel, 304/316L stainless steel, 6061 aluminum alloy, and galvanized sheet.

Question 5

What's the typical lead time?

Accepted Answer

5-20 days: Standard parts (5-10 days); complex bending/welding parts (15-20 days) with CAM programming.

Question 6

How to improve surface finish?

Accepted Answer

Adopt deburring (vibration grinding), phosphating passivation, and powder coating for uniform coating.

Question 7

What's the common payment structure?

Accepted Answer

30% down payment for raw materials, balance paid before delivery; flexible terms for bulk orders.

Question 8

How to prevent welding porosity?

Accepted Answer

Clean weld areas thoroughly, use argon protection (8-12L/min), and match E43/E308 welding materials.

Question 9

What's the trend for smart production?

Accepted Answer

Robot welding + MES system integration, reducing defect rates by 25% and boosting batch consistency.

Question 10

How to handle complex nested cutting?

Accepted Answer

Use nesting software (SigmaNEST) for material optimization, reducing waste by 15-20%.

Question 11

What causes sheet metal warpage?

Accepted Answer

Uneven stress during cutting/bending; resolved by pre-stress relief annealing and symmetric processing.

Question 12

Can sheet metal parts be recycled?

Accepted Answer

Yes: Separate aluminum/steel scrap for recycling; adopt low-carbon processes (fiber laser cutting) for sustainability.

Question 13

How to ensure welding joint strength?

Accepted Answer

Use ultrasonic testing (UT) for inspection, adopt fillet weld design, and control heat input during MIG/TIG welding.

Question 14

What post-processing options are available?

Accepted Answer

Anodizing (for aluminum), electroplating, and silk-screen printing; comply with RoHS standards for 3C/automotive.

Question 15

How to resolve edge cracking during bending?

Accepted Answer

Select appropriate bending radius and avoid hardening materials.

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Fine Blanking

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Customized

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