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Sunmy Hardware Precision CNC Machining & Die Casting OEM | Engineering-Driven DFM for Hardware Teams in North America & Europe.

24/09/2026

Repeatability starts long before final inspection. It starts with the tooling.

From precision tool surfaces and material placement to compression molding and clean release — every step affects geometry, surface quality and production consistency.

For custom manufacturing, a good production process isn’t just about making one good part. It’s about making the next 1,000 parts the same way.

Have a drawing or physical sample? We can help evaluate the right manufacturing route from prototype to production.

AI hardware doesn’t only need more computing power. It also needs better control of everything around it.For enclosures,...
20/09/2026

AI hardware doesn’t only need more computing power. It also needs better control of everything around it.

For enclosures, covers and internal metal parts, EMI performance can be affected by details as simple as:

• mating surfaces
• seams and openings
• grounding points
• coating thickness
• panel flatness
• fastener locations

A housing can look perfect mechanically and still create problems electrically.

That is why EMI shielding should be considered during DFM — not after the first assembled units fail testing.

More details:
https://www.sunmyhardware.com/news/emi-shielding-ai-hardware-news-for-oem-buyers/

A battery contact is tiny. Its job isn’t.In energy storage and electronic assemblies, a small stamped contact still has ...
17/09/2026

A battery contact is tiny. Its job isn’t.

In energy storage and electronic assemblies, a small stamped contact still has to get several things right:

• stable contact force
• consistent geometry
• clean formed edges
• the right material and plating
• repeatability from sample to production

That is why battery contacts should not be treated as “just another stamped part.”

Material, forming, surface treatment and inspection all need to be considered together before tooling is finalized.

We shared a new update on custom battery contacts and what OEM buyers should consider in 2026:

https://www.sunmyhardware.com/news/custom-battery-contacts-2026-energy-storage-update/

15/09/2026

Two workpieces, two milling setups. This workshop footage shows cutter movement around a round workpiece and along a rectangular workpiece, with the workholding in view. If you’re sourcing custom parts with round or rectangular forms, contact Gavin through sunmyhardware.com to discuss your drawing

sunmyhardware.com
15/09/2026

sunmyhardware.com

The robot is standard. Your workpiece isn’t.Custom gripper fingers, jaws, mounting brackets and pins are where the two m...
14/09/2026

The robot is standard. Your workpiece isn’t.

Custom gripper fingers, jaws, mounting brackets and pins are where the two meet.

At Sunmy Hardware, we manufacture robot and gripper components from your drawings or samples—from prototype to production.

Send the drawing, quantity and mating requirements. We’ll review the machining route and critical fits before quoting.

Explore our custom robot parts and gripper components:
https://lnkd.in/gN-VAG4r

Before asking “How thick?”, ask “What are we protecting?”For an exhaust heat shield, I’d start with three questions:What...
11/09/2026

Before asking “How thick?”, ask “What are we protecting?”

For an exhaust heat shield, I’d start with three questions:

What sits next to the exhaust?
How much clearance is available?
Where will the shield be mounted?

Then review the material, thickness and insulation together.

Buying a heat shield? Give your supplier the installation requirements—not just the part dimensions.

Our latest guide covers materials, thickness and installation:
https://www.sunmyhardware.com/news/exhaust-heat-shields-materials-thickness-and-installation/

A shaft can be within size tolerance — and still fail in assembly.That’s something easy to miss when an RFQ only focuses...
10/09/2026

A shaft can be within size tolerance — and still fail in assembly.

That’s something easy to miss when an RFQ only focuses on diameter.

For CNC turned shafts, three requirements often work together:

Fit. Runout. Surface finish.

A bearing seat can have the correct diameter but still cause problems if the runout is unstable.

A shaft can meet dimensional tolerance but wear a seal too quickly if the surface finish is wrong.

And a perfectly machined individual feature means very little if the critical diameters are not controlled from the right datum.

Before quoting a precision shaft, I would always want to understand:

• What does this diameter mate with?
• Is the fit clearance, transition or interference?
• Which datum controls the runout?
• Which surfaces contact bearings or seals?
• What surface finish is actually required?
• How will these characteristics be inspected?

This is why a shaft drawing should describe function, not only dimensions.

The goal is not simply to turn a part that measures correctly.

It is to make a shaft that assembles correctly, rotates correctly and remains repeatable from sample to production.

More details:
https://www.sunmyhardware.com/news/cnc-turned-shafts-fits-runout-and-surface-finish/

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