Our Manufacturing Blog

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

CNC Setup and Tooling Costs: What Buyers Should Separate

CNC Setup and Tooling Costs: What Buyers Should Separate

CNC setup and tooling costs are often hidden inside a unit price, even though they can decide whether a short run is economical. Setup covers the work needed to make…

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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.…

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…

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…