Outer diameter is 490mm with tolerance +/-0.05,
Inner diameter is 470mm with tolerance +/-0.05,
In order to avoid the ring out-of-round during machining, several fixture gauges were designed. Finally get very good quality finished parts, run-out and concentricity are within 0.05.
Ceramic Milling and Engraving Machines: A Core Engine for High-Quality
Development of New Energy Against the backdrop of global energy transition, the new energy industry is advancing towards technological breakthroughs. Industrial ceramics, due to their