Our Blog
Can Chinese Swiss CNC Factories Really Hold Tight Roundness and Cylindricity Tolerances?
Every time we audit a new Swiss CNC supplier in China, roundness and cylindricity are the first tolerances we push on. Most factories can quote a number. Far fewer can…
How Do I Correctly Apply GD&T Callouts on My Drawing for Swiss-Type Lathe Machining?
When our engineers sit down with a new drawing, the first thing we check is whether the GD&T callouts match how a Swiss lathe actually holds and cuts the part.…
What Dimensional Tolerances Can Swiss-Type CNC Lathes in Chinese Factories Typically Achieve?
We spec tight tolerances on Swiss-turned parts every week, and the question we hear most from US purchasing managers is whether Chinese factories can actually hold them in production —…
How Do I Standardize Sandblasting and Polishing Requirements to Prevent Supplier Misinterpretation?
We have seen this situation many times across our supply chain operations: a customer sends a drawing with the note "sandblast finish, smooth and clean." The parts arrive looking completely…
How Do I Require My Supplier to Provide Hardness Test Reports for Wire EDM Parts?
We have seen too many shipments arrive with a single line on the packing list: "Material: D2 tool steel. Heat treated." No report. No data. No traceability. When a buyer…
Does Heat Treatment — Quenching or Tempering — Affect the Final Dimensions of Wire EDM Parts?
In our workshop, we see this problem often. A customer sends a perfect drawing. The part comes back slightly out of tolerance. Why? Heat treatment moved the metal. Yes, heat…
