◆砂輪主軸采用大錐度四油楔自動調(diào)隙動承,具有較高的剛性和回轉(zhuǎn)精度。
◆工作臺 ( Z軸)傳動及橫進(jìn)給( X軸)傳動驅(qū)動采用THK滾珠絲杠伺服直驅(qū)結(jié)構(gòu),工作臺( Z軸)導(dǎo)軌采用開式卸荷靜壓導(dǎo)軌結(jié)構(gòu),剛性好,運(yùn)動平衡,摩擦系數(shù)小,低速無爬行。橫進(jìn)給( X軸)導(dǎo)軌采用瑞士直線導(dǎo)軌,并施加預(yù)緊力,滿足高剛性、低摩擦、無間隙、動態(tài)響應(yīng)好的精密磨削要求。
◆頭架采用靜態(tài)主軸頂磨結(jié)構(gòu)，剛度好,適于精密磨削。
◆尾架套筒采用直線軸承結(jié)構(gòu),無間隙進(jìn)給,剛性好,且可實(shí)現(xiàn)液壓制動與人工手動雙模式控制。
◆床身采用雙層結(jié)構(gòu)(有限元分析) , 特殊配比鑄鐵整體式澆鑄,導(dǎo)軌面人工刮研,動/靜態(tài)剛性好,熱變形穩(wěn)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(jié)構(gòu)特點(diǎn) / STRUCTURAL FEATURES
◆機(jī)床布局為工作臺移動式T型布局,工作臺左右運(yùn)動(Z軸)及砂輪架橫向運(yùn)動(X軸)皆采用伺服電機(jī)帶動滾珠絲杠驅(qū)動結(jié)構(gòu)。
◆潤滑采用間歇潤滑泵進(jìn)行集中潤滑,頭架為死結(jié)構(gòu),尾架工件手動頂緊、松開,頂緊力的調(diào)整可通過調(diào)整彈簧的壓緊量來實(shí)現(xiàn)，砂輪架為片瓦的動承結(jié)構(gòu),磨削剛性好,精度高。
◆工件磨削可實(shí)現(xiàn)數(shù)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(tǒng)手動式外圓磨床,降低機(jī)床對人員操作水平的要求，-名工人可以同時操作多臺機(jī)床,提高了工人的生產(chǎn)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.
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