VDI 3400 Texture Chart #12 to #45 with Ra Equivalents
A mold drawing specifies VDI 24, and the toolmaker reports a cavity roughness close to Ra 1.6 μm. The numerical
Inconel 718 vs 625 Machinability, Cost and Selection
A drawing that specifies only “Inconel” does not give a machine shop enough information to prepare a reliable quotation. One
17-4PH H900 vs H1025 vs H1075 vs H1150 Condition Guide
A drawing that specifies only “17-4PH stainless steel” leaves a critical engineering decision unresolved. The machine shop can purchase the
P20 vs H13 vs NAK80 vs S136 Mold Steel Selection Guide
A mold buyer receives three quotations for the same plastic housing. The first supplier recommends P20, the second specifies NAK80,
SPI to VDI 3400 to Ra: The Mold Surface Finish Conversion Chart
A product drawing calls for SPI B-2. The moldmaker proposes VDI 18. The inspection report lists Ra 0.8 μm. All
Nylon vs Delrin (POM) for Gears and Bushings
A plastic gear can run smoothly during dry assembly, then become noisy after several weeks in a humid factory. A
Source Custom Robot Parts from China
A low machining quote can become expensive after the parts reach assembly. A bearing bore runs tight after anodizing. A
Medical Implant Prototyping with 3D Printing and CNC
An implant concept can look convincing on a screen and still fail a physical design review. Its outer contour may
No MOQ CNC Machining for Robot Parts
A robot build rarely moves from CAD to stable production in one clean step. The first bracket may need a
6061 vs 7075 Aluminum: Choosing for Robot Parts
A robot part can look perfect after machining and still create problems during motion testing. A wrist adapter flexes under
