In-depth technical articles, material comparisons, CNC machining insights, and problem-solving guides from the Jucheng engineering team.
October 7, 2026
A machined face can be flat and still lean relative to the mounting face that locates the part. Conversely, two faces can look evenly spaced at a few measured points…
Read Full ArticleOctober 7, 2026
A turned shaft can have every diameter inside its size limits and still make a bearing, seal, or coupling wobble.…
October 7, 2026
A deep pocket can look uncomplicated in a CAD view: an opening, four walls, and a floor. In the machine,…
October 6, 2026
A hole pattern can pass individual X and Y checks yet refuse to assemble. The usual missing question is not…
October 6, 2026
A drawing may call out a hole diameter, depth, and positional limit without specifying how to make it. For one…
October 6, 2026
A thin wall can measure correctly while it is clamped and still leave the machine bowed, tapered, or out of…
October 6, 2026
A pin can enter a machined hole and the assembly can still bind. A bearing may fit the measured diameter…
October 5, 2026
An automation fixture can repeat the wrong position perfectly. A rigid CNC-machined nest or end-of-arm tool does not guarantee a…
October 4, 2026
Fluid manifolds hide their most serious manufacturing risks inside the part. Cross-hole burrs can detach, intersecting drills can leave ledges,…
October 3, 2026
An optical mount can pass dimensional inspection and still drift after the lens, mirror, sensor, or laser is installed. Alignment…
