In-depth technical articles, material comparisons, CNC machining insights, and problem-solving guides from the Jucheng engineering team.
9月 16, 2026
First article inspection for CNC machined parts is a production-release checkpoint, not a ceremonial report. It confirms that the drawing, material, program, tooling, fixture, machining sequence, finishing route, and inspection…
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9月 16, 2026
CMM, optical comparator, and manual inspection are not interchangeable checkpoints. Each method answers a different measurement question. A CMM is…
9月 15, 2026
CNC setup and tooling costs are often hidden inside a unit price, even though they can decide whether a short…
9月 15, 2026
CNC machining cost per part calculation is more useful when it separates recurring production cost from one-time preparation and risk.…
9月 15, 2026
ISO 2768 for CNC machining drawings is a way to assign general tolerances to dimensions that do not have individual…
9月 14, 2026
CNC tolerance stack-up analysis for assemblies explains why several individually acceptable parts can still create a tight, loose, misaligned, or…
9月 14, 2026
CNC hole and shaft fit design should begin with the assembly job, not with a familiar letter-number fit copied from…
9月 14, 2026
GD&T drawing requirements for CNC machining are not just a list of symbols. They are the link between what a…
9月 11, 2026
Before anyone sands an edge or adjusts an offset, keep one rejected part untouched. Its burr, fracture surface or free-state…
9月 11, 2026
A clear inspection window, a sliding guide and a hot electrical spacer do not need the same plastic. Starting each…
