Our Manufacturing Blog

In-depth technical articles, material comparisons, CNC machining insights, and problem-solving guides from the Jucheng engineering team.

What Really Changes CNC Machining Cost per Part?

What Really Changes CNC Machining Cost per Part?

CNC machining cost per part calculation is more useful when it separates recurring production cost from one-time preparation and risk. The same geometry can have a very different unit price…

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ISO 2768 on CNC Drawings: Where General Tolerances Stop

ISO 2768 on CNC Drawings: Where General Tolerances Stop

ISO 2768 for CNC machining drawings is a way to assign general tolerances to dimensions that do not have individual…

Why Good Parts Still Fail Together: CNC Tolerance Stack-Up

Why Good Parts Still Fail Together: CNC Tolerance Stack-Up

CNC tolerance stack-up analysis for assemblies explains why several individually acceptable parts can still create a tight, loose, misaligned, or…

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…

Why Good CNC Parts Start with Better GD&T Drawings

Why Good CNC Parts Start with Better GD&T Drawings

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…

Scegli le plastiche per CNC in base all'impiego, non al prezzo o alla reputazione

Scegli le plastiche per CNC in base all'impiego, non al prezzo o alla reputazione

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,…