Gear Accuracy Grades Explained for Machinery Builders

What GB/T 10095 grade 7 and grade 8 actually mean in terms of pitch error, profile error and noise, and when a gear needs to be ground after hobbing.

keytrond machines non-standard parts from customer drawings across turning, milling, grinding, gear cutting and wire EDM. Where a drawing leaves a tolerance or material choice open, engineers propose a workable combination before quotation instead of guessing at the machine.

For the full version of this note, including process parameters and inspection records, contact the engineering team directly. Drawings sent for review are kept confidential and used only for quotation and production.