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模具建造的磨削加工要求

来历:beat365官网:http://es2c.com 日期:2020-12-14 宣布人:liqiang 阅读次数:
精磨时挑选好得当的磨削砂轮很是主要,针对模具钢材的高钒高钼环境,选用GD单晶刚玉砂轮相比合用,当加工硬质合金、淬火硬度高的材质时,优先接纳无机粘结剂的金刚石砂轮,无机粘结剂砂轮自磨利性好,磨出的工件粗拙可达Ra=0.2μm,最近几年来,跟着新材料的利用,CBN砂轮,也即立方氮化硼砂轮闪现出很是好的加工结果,在数控成型磨,坐标磨床,CNC表里圆磨床上精加工,结果优于别的种类砂轮。磨削加工中,要寄望实时修整砂轮,对峙砂轮的锋利,当砂轮钝化后,会在工件表面滑擦、挤压,构成工件表面烧伤,强度下降。
It is very important to select proper grinding wheels in precision grinding. In view of the high vanadium and molybdenum content of die steel, GD single crystal corundum wheel is comparatively suitable. When processing hard alloy and high quenching hardness materials, organic binder wheel is preferred. The self-grinding advantage of organic binder wheel is good. The roughness of the grinded workpiece can reach Ra=0.2um. In recent years, with the new information, with the development of new materials. In application, CBN grinding wheel, i.e. cubic boron nitride grinding wheel, shows very good processing effect. It is better than other grinding wheels in CNC forming grinding, coordinate grinding, CNC inner and outer grinding machine. In grinding process, attention should be paid to timely dressing the grinding wheel, adhere to the sharpness of the grinding wheel. When the grinding wheel is passivated, it will rub and extrude on the surface of the workpiece, resulting in burns on the surface of the workpiece, and the strength will be reduced.
板类整机的加工大部分接纳立体磨床加工,在加工中常会碰到一种长而薄的薄板整机,此类整机的加工较难。因为加工时,在磁力的吸附感化下,工件发生形变,紧贴于任务台表面,当拿下工件后,工件又会发生答复变形,厚度测量不合,但平行度达不到要求,处置的体例可接纳隔磁磨削法,磨削时以等高块垫在工件上面,四周挡块抵死,加工时小进刀,多光刀,加工好一面后,可不必再垫等高块,间接吸附加工,如许可改良磨削结果,达到平行度要求。
Most of the plate parts are processed by surface grinder. A kind of long and thin thin thin plate parts are often encountered in the process. It is difficult to process such parts. Because the workpiece deforms under the action of magnetic force adsorption, which is close to the surface of the worktable. When the workpiece is taken off, the workpiece will produce recovery deformation and thickness measurement divergence, but the parallelism can not reach the request. The method of processing can adopt the magnetic isolation grinding method. When grinding, the workpiece can be padded under the workpiece with equal heights, the four-sided block can withstand, the small feed cutter and multi-light cutter can be processed well. After one side, no need to pad contour blocks, and directly adsorb processing, so as to improve the grinding effect and achieve the parallelism request.
山东模具建造厂产业物
轴类整机具备反转展转面,其加工遍及接纳表里圆磨床及东西磨床。加工进程中,头架及顶尖相称于母线,假设其存在跳动题目,加工出来的工件一样会发生此题目,影响整机的品质,因此在加工前要做好头架及顶尖的检测任务。遏制内孔磨削时,冷却液要充分浇到磨削打仗地位,以利于磨削的顺遂排挤。加工薄壁轴类整机,好接纳夹持工艺台,夹紧力不可过大,不然轻易在工件圆周上发生“内三角”变形。
Shaft parts have revolving surfaces. Internal and external grinders and tool grinders are widely used in their processing. In the process of processing, the head frame and the top are equivalent to busbar. If there is a jumping problem, the workpiece processed will also produce this problem, which will affect the quality of the parts. Therefore, the head frame and the top should be inspected well before processing. When stopping internal hole grinding, coolant should be poured abundantly to the grinding contact position to facilitate the smooth discharge of grinding. When processing thin-walled shaft parts, it is better to use clamping technology platform. The clamping force should not be too large. Otherwise, it is easy to produce "inner triangle" deformation on the circumference of the workpiece.
以上出色内容由山东模具建造厂家清算供给,更多对于模具建造的概况可保藏咱们的官网:http://es2c.com感谢大师的撑持。
The above wonderful content is provided by Shandong Mould Manufacturer. More details about mould making can be collected on our website: http://es2c.com. Thank you fo

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