Blog List
Rz vs Ra Surface Finish for CNC Machined Parts
A CNC drawing may say Ra 1.6 μm, Rz 6.3 μm, or sometimes an older roughness note such as 32…
Bilateral vs Unilateral Tolerance for CNC Machined Parts
A small tolerance note can change how a CNC part is machined, inspected, and accepted. For example, these two drawing…
Copper Plating Aluminum: What CNC Buyers Should Check Before Production
Copper plating aluminum sounds like a simple surface finish. A buyer may need a copper-colored surface, an electrical contact area,…
Bead Blast Surface Finish Chart for CNC Machined Parts
Bead blasting is often used when a CNC machined part needs a more uniform matte appearance. It can reduce the…
Flatness Tolerance Per Unit Length for CNC Machined Parts
Flatness looks simple on a drawing, but it can become one of the most misunderstood requirements in CNC machining. A…
Press Fit Tolerance for CNC Machined Parts: Design and Inspection Notes
A press fit looks simple on a drawing: one shaft goes into one hole, and the two parts stay together…
17-4 PH Stainless Steel Machining: Heat Treatment, Tolerances, and Finish
17-4 PH stainless steel is not just another stainless steel grade for CNC machining. It is a precipitation-hardening stainless steel…
CNC Turning Parts: Design Features, Materials, and Inspection Points
CNC turning parts look simple until the drawing includes a tight bore, a long slender shaft, a thin sleeve wall,…
Phosphor Bronze vs Brass: Which Is Better for CNC Parts?
Phosphor bronze and brass are both copper alloys, but they are not interchangeable materials. Brass is usually easier to machine…
