S40瑞士斯圖特(STUDER)萬能內外圓磨床 
Swiss STUDER Universal Internal and External Grinder
主要技術參數Main Parameters:
頂尖距/中心高Top Distance/Center Height: 1600 X 250mm
工作行程Working stroke: 275 X1650mm
最大工件重量Maximum workpiece weight: 150kg
位置控制精度：0.0001mm (線性光柵尺、全閉環)
Positioning control accuracy: 0.0001mm (linear scale, full closed loop)
非圓磨削轉臺Non-circular grinding turntable：分度單位indexing unit 0.0001°