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주성 엔지니어링 팀이 제공하는 심층 기술 기사, 소재 비교, CNC 가공 인사이트 및 문제 해결 가이드입니다.

When a Fit Fails, the Bore and Shaft Share the Blame

When a Fit Fails, the Bore and Shaft Share the Blame

CNC hole and shaft fit design should begin with the assembly job, not with a familiar letter-number fit copied from another project. A sliding guide, locating pin, press-fit bushing, bearing…

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Why Good CNC Parts Start with Better GD&T Drawings

좋은 CNC 부품이 더 나은 GD&T 도면에서 시작되는 이유

GD&T drawing requirements for CNC machining are not just a list of symbols. They are the link between what a…

Burrs, Cracks or Warping: Diagnose CNC Plastic Rejects

Burrs, Cracks or Warping: Diagnose CNC Plastic Rejects

Before anyone sands an edge or adjusts an offset, keep one rejected part untouched. Its burr, fracture surface or free-state…

Choose CNC Plastics by Duty, Not by Price or Reputation

Choose CNC Plastics by Duty, Not by Price or Reputation

A clear inspection window, a sliding guide and a hot electrical spacer do not need the same plastic. Starting each…

Titanium Parts Drifting? Trace Heat, Wear and Stress

Titanium Parts Drifting? Trace Heat, Wear and Stress

A titanium bore measures correctly at the machine, then fails inspection. The next part needs another offset adjustment. A thin…

304, 316 or 17-4 PH? Match Stainless to the Job

304, 316 or 17-4 PH? Match Stainless to the Job

Put a washdown housing, a dry locating block and a heavily loaded shaft on the same drawing-review table. All may…

Is 7075 Worth the Upgrade? 6061 vs 7075 vs 2024

Is 7075 Worth the Upgrade? 6061 vs 7075 vs 2024

If a machined bracket bends too far, replacing 6061 with 7075 may barely change its deflection. If the bracket yields,…

Aluminum or Stainless Steel? Choose the Right CNC Metal

Aluminum or Stainless Steel? Choose the Right CNC Metal

A lighter part is not automatically a better part. Neither is a stronger metal. In aluminum vs stainless steel CNC…

The Last Few Microns: Precision Grinding Process

The Last Few Microns: Precision Grinding Process

The final few microns of a part can depend more on the precision grinding process than on the first machining…

Threads That Hold: CNC Thread Machining Methods

Threads That Hold: CNC Thread Machining Methods

A reliable thread is a fit, alignment, chip-control, and inspection problem—not simply a hole with a spiral cut into it.…