Product Description

cast iron made according to sandard JB/T******9 , rib type or case type , recangle/round surface , working surface made by skiving , groove V/T/U shape and hole of longround shape can be made at the surface of the plate .The surface plate is a plane standard equipment used for testing and drawing of work pieces on it , The surface plate shall be adjustable to horizontal positaion and laded evenly on each pivot , Environmental temperatire(*0±5), and vibration shall be avoided when using Type(mm) Precision Grade(μm) 1 2 3 Final machining ***0****0 *0 *9 *6 ***0****0 *4 *8 **0 ***0****0 *5 *0 **5 ***0****0 *6 *2 **9 ***0****0 *6 **0 ***0****0 *0 **2 **0 ***0****0 *4 **2 **0 ***0****0 *8 **8 **8 ***0****0 *2 **0 **0 ***0****0 **8 **8 ***0****0 **4 **4 ***0****0 **4 **5 ***0****0 **6 **6 ***0****0 **0 **0 ***0****0 **0 **0 ***0****0 **0 **0 ***0****0 **9 **0 ***0****0 **8 **0 ***0****0 **0 **0 ***0****0 **9 **0 ***0****0 **5 **5 ***0****0 **4 **0 ***0****0 **7 **0 ***0****0 **7 **0 ***0****0 **3 **0 ***0****0 **0 **0 ***0****0 **8 **0 ***0****0 **6 **0 ***0****0 **0 **0 ***0****0 **5 **0 ***0****0 **2 **0 about cast iron the detial you can view our web *****