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模具导柱导套一般可采取哪些加工工艺方法?

文章出处:人气:0发表时间:2017-11-09【 返回列表

 

今天晋升泰为您讲解模具导柱导套一般可采取哪些加工工艺方法。
 
导柱导套 晋升泰精密(深圳)有限公司.jpg
 
导柱一般使用20钢,经车床粗加工(留磨削余量),热处理(渗碳层深度0.8~1.2mm,淬硬至58~62HRC)、研顶尖孔以及外圆精磨制成。为了进一步提高导柱的尺寸精度和改善表面粗糙度,也可在外圆磨削后留出余量0.01~0.015mm,再进行研磨。Guide column generally use 20 steel, rough by the lathe processing (to stay grinding allowance), heat treatment (carburizing depth 0.8 ~ 1.2mm, hardened to 58 ~ 62HRC), research top hole and cylindrical grinding made. In order to further improve the dimensional accuracy of the guide column and improve the surface roughness, but also in the cylindrical grinding after leaving the margin of 0.01 ~ 0.015mm, and then grinding.
 
用圆盘式研磨机研磨时,把导柱装夹在隔板内,并在上下研盘之间作偏心运转,导柱的运动方向作周期性改变,使研磨剂分布均匀,导柱表面形成纵横交错的研磨痕迹,这种研磨方法的生产率高,研磨工具的磨损比较均勾,适用于导柱的大量生产。When grinding with a disc mill, the guide posts are clamped in the partition and are eccentricized between the upper and lower plates. The direction of movement of the guide posts is changed periodically so that the abrasive is evenly distributed and the column surface Staggered grinding traces, this grinding method of high productivity, grinding tools are more wear and tear, suitable for the mass production of the guide column.
 
若用车床装夹研磨导柱,常用顶尖和卡箍装夹,在研磨的表面均匀地涂一层研磨剂,研磨环套在导柱上,用手握住沿导柱轴向往复运动,导柱在主轴的带动下作圆周运动,使导柱的外圆得到研磨。此外,也可用铸铁板研磨导柱的外圆。If the lathe with a lathe grinding grinding column, commonly used top and clamp clamp, evenly coated on the surface of a layer of grinding agent, grinding ring set in the guide column, hand holding along the guide column axial reciprocating movement The column is circumferentially driven by the spindle so that the outer circumference of the guide post is ground. In addition, the outer diameter of the guide post can be polished with cast iron plates.
 
导套的加工,一般是在粗车后留出0.3mm的磨削余量,经热处理(常用20钢渗碳,深度0.8~1.2mm,淬硬58~62HRC)后进行内、外圆磨削。The processing of the guide sleeve is usually carried out after the roughing of 0.3mm grinding allowance, the heat treatment (commonly used 20 steel carburizing, depth 0.8 ~ 1.2mm, hardened 58 ~ 62HRC) after the cylindrical grinding.
 
由于导套和导柱相配合的尺寸精度要求高,并且内孔和外圆要同轴,因而在磨削加工时要先磨好内孔,再装上心轴磨外圆。若导套和模座的固定采用粘接工艺,因而外圆的同轴度要求不高,则导套的外圆可不需要磨削加工。As the guide sleeve and guide the column with the size of the high precision requirements, and the hole and the outer circumference should be coaxial, and therefore grinding in the first hole, and then install the mandrel grinding cylindrical. If the guide sleeve and die seat fixed using the bonding process, and therefore the outer coaxial degree is not high, the guide sleeve of the outer circle may not need grinding.
 
为提高内孔尺寸精度和改善表面粗糙度而需要研磨时,应在内圆磨削后留出0.01~0.015mm研磨余量。In order to improve the accuracy of the hole size and improve the surface roughness and the need for grinding, should be in the inner circle after grinding to leave 0.01 ~ 0.015mm grinding allowance.研磨导套常用立式单轴或双轴研磨机,有时也可在车床上研磨或用珩磨机珩磨。Grinding guide sleeve Vertical single-axis or double-axis grinding machine, sometimes in the lathe grinding or honing machine honing.如果在车床上研磨导套,需先将研磨工具夹在车床卡盘上,均匀涂以研磨剂,然后套上导套,用尾座顶尖顶住研磨工具,并调节研磨工具与导套的松紧(以用手转动导套不十分费力为准)。If grinding the guide sleeve on the lathe, the grinding tool should first be sandwiched on the lathe chuck, evenly coated with abrasive, and then put on the guide sleeve, with the tailstock top to withstand the grinding tool, and adjust the grinding tool and guide sleeve elastic (In order to turn the guide sleeve by hand is not very laborious).研磨时,由机床带动研磨工具旋转,导套由圆口钳夹住用手工沿研磨工具轴向作往复运动。Grinding, driven by the machine tool grinding tool rotation, guide sleeve by the round wrench clamped by hand along the grinding tool for reciprocating motion.
 
以上就是晋升泰为您带来的有关模具导柱导套的知识,希望对您有所帮助。
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