Jour : 06/27/2026

Flatness accuracy range of granite machine tool bases with threaded inserts:Implementing the national standard GB/T 20428-2006 “Granite Surface Plates”, divided into 4 accuracy grades. Due to the slight increase in machining difficulty caused by the drilling and embedding processes of pre-embedded stainless steel threaded inserts, the industry can actually stably achieve the following standards (tested…

Complete Selection Guide for High-Precision Granite Machine Tool Bases with Threaded InsertsFollow the 7-step screening process: Application Scenario → Material → Precision → Dimensions & Thickness → Threaded Insert Configuration → Supporting Structure → Manufacturer Process to avoid common pitfalls such as hole deformation, insert detachment, insufficient precision, and inadequate rigidity in one go.I. Step…