◆砂輪主軸采用大錐度四油楔自動調隙動承,具有較高的剛性和回轉精度。
◆工作臺 ( Z軸)傳動及橫進給( X軸)傳動驅動采用THK滾珠絲杠伺服直驅結構,工作臺( Z軸)導軌采用開式卸荷靜壓導軌結構,剛性好,運動平衡,摩擦系數小,低速無爬行。橫進給( X軸)導軌采用瑞士直線導軌,并施加預緊力,滿足高剛性、低摩擦、無間隙、動態響應好的精密磨削要求。
◆頭架采用靜態主軸頂磨結構，剛度好,適于精密磨削。
◆尾架套筒采用直線軸承結構,無間隙進給,剛性好,且可實現液壓制動與人工手動雙模式控制。
◆床身采用雙層結構(有限元分析) , 特殊配比鑄鐵整體式澆鑄,導軌面人工刮研,動/靜態剛性好,熱變形穩定。
◆The spindle of the grinding wheel adopts the large taper four-oil wedge bearing to automatically adjust the gap dynamicpressure, which has higher rigidity and precision of the grinding wheel.
◆Table (Z axis) drive and horizontal feed (X axis) drive drive adopts THK ball screw servo direct drive structure,Table (z- axis) guide rail adopts open unloading hydrostatic guide rail structure, good rigidity, motion balance, low friction coefficient, lowspeed and no creep.The transverse-feed (X-axis) guide rail adopts Swiss linear guide rail and applies pre-tightening force to meet the requirements of high rigidity, low friction, no clearance and good dynamic response for precision grinding.
◆The workhead adopts static spindle top grinding structure with good rigidity, suitable for precision grinding.
◆Tailstock sleeve adopts linear bearing structure, no gap feeding, good rigidity, and can realize hydraulic braking and manualdual mode control.
The bed adopts double-layer structure (finite element analysis), special ratio cast iron casting, manual scraping and grinding of guide rail surface, good dynamic/static rigidity. stable thermal deformation.
磨削方法 / GRINDING METHOD
結構特點 / STRUCTURAL FEATURES
◆機床布局為工作臺移動式T型布局,工作臺左右運動(Z軸)及砂輪架橫向運動(X軸)皆采用伺服電機帶動滾珠絲杠驅動結構。
◆潤滑采用間歇潤滑泵進行集中潤滑,頭架為死結構,尾架工件手動頂緊、松開,頂緊力的調整可通過調整彈簧的壓緊量來實現，砂輪架為片瓦的動承結構,磨削剛性好,精度高。
◆工件磨削可實現數控編程自動磨削 ,滿足大部分中小零件的自動磨削加工的要求,可以很好的替代傳統手動式外圓磨床,降低機床對人員操作水平的要求，-名工人可以同時操作多臺機床,提高了工人的生產效率。
◆The layout of the machine is the movable table t-type layout, and the leftright movement of the table (z-axis) and the transverse movement of the wheelhead(X- axis) are driven by the servo motor and ball screw.
◆Lubrication by intermittent lubrication pump for centralized lubrication ,The workhead is a dead center structure, and the tailstock workpiece is manually jacked and released. The adjustment of jacking force can be realized by adjusting the com-pression quantity of the spring. The wheelhead is a dynamic bearing structure of tile, which has good grinding rigidity and high precision.
◆Workpiece grinding can realize CNC programmed automatic grinding, which can meet the requirements of automatic grinding of most small and medium-sized parts. It can well replace the traditional manual cylindrical grinder, and reduce the requirement of machine tools for personnel operation level. One worker can operate multiple machine tools at thesame time.
