Our Blog
Is SPC (Statistical Process Control) Used in Batch Production of Swiss CNC Parts at Chinese Factories?
Every month we hear the same question: does SPC actually happen on the shop floor, or just on paper? Buyers who skip this check often get burned later. Yes, SPC…
Does Thermal Expansion Wreck Your Swiss CNC Tolerances?
We've seen it happen more than once on our production floor: a batch of Swiss-turned parts passes first-article inspection in the morning, then fails the customer's incoming CMM check in…
How Is Concentricity Tolerance Controlled on Swiss-Type CNC Turned Parts?
Every time our team sets up a Swiss-type lathe for a concentricity-critical job, we see the same pattern: small setup decisions made early in the run have an outsized effect…
How Do I Prevent Long Slender Shaft Parts From Bending or Deflecting During Swiss CNC Machining?
On our shop floor, slender shafts whip, bow, and chatter the moment a tool bites into them. A batch that comes back tapered or bent costs everyone time and money.…
How Do You Select and Verify Thread Accuracy Grades for Swiss CNC Parts?
Thread rejections are expensive. We see it happen when buyers send drawings with vague tolerance callouts — the supplier picks a default grade, the parts arrive, and the mating assembly…
What Surface Roughness Ra Values Can Swiss-Type CNC Lathes Achieve, and How Do I Set the Right Standard?
We see it happen often on our production floor: a client sends a drawing with a blanket Ra 0.4 µm callout across every surface, and the quote comes back 35%…
