工程陶瓷珩磨加工表面质量
珩磨常用于内孔表面的精加工,同时又是一种高效加工方法,可去除较大余量,适合加工相对运动精度高的精密偶件。随着金刚石等超硬磨料的应用,今后,对高性能陶瓷材料的珩磨加工将占有很大比重。珩磨加工是陶瓷发动机气缸(Mg-PSZ,TZP)、陶瓷泥沙泵缸体(ZTM,Al2O3) 以及陶瓷轴承套(HPSN,RBSN)等孔类零件机械加工的最佳选择。
陶瓷材料的种类不同,其磨削加工表面粗糙度值存在差异,加工后陶瓷材料表面粗糙度值在一定程度上反映了材料的磨削加工性。陶瓷材料的珩磨加工具有同样的规律工程陶瓷材料珩磨加工表面质量的影响因素可分为两类:珩磨工艺参数和珩磨工具参数。其中,工具参数的影响最为显著。金刚石油石粒度对珩磨后陶瓷材料表面粗糙度有重要影响。工程陶瓷零件实际加工中,一般采用树脂结合剂金刚石工具制品作为切削工具,为了获得较高的磨削比和加工效率,通常选用金属结合剂金刚石工具。
对于有配合精度要求的精密偶件,其最终加工表面质量,在使用中显得更为重要。以陶瓷材料在汽车、摩托车发动机缸体等应用为例,如果材料表面质量差,就会发生表面磨损现象:陶瓷材料表面轮廓锋利的凸峰或者切削与之配合的金属部件或者陶瓷材料之间表面轮廓尖峰相互撞击,最终导致部件配合尺寸超过公差范围,配合精度下降,从而增加燃料的消耗。
陶瓷材料种类不同,其珩磨加工表面粗糙度值存在一定的差异。陶瓷材料的强度越低、脆性越高,其加工表面粗糙度值越大。陶瓷材料的珩磨加工还应考虑材料的影响因素。
Types of ceramic materials is different, the honing processing surface roughness values exist certain differences. The strength of the ceramic material is lower, the higher the brittleness, the processing surface roughness values. Ceramic material of honing processing and the influence factors of materials should also be considered.
Types of ceramic materials is different, the honing processing surface roughness values exist certain differences. The strength of the ceramic material is lower, the higher the brittleness, the processing surface roughness values. Ceramic material of honing processing and the influence factors of materials should also be considered.
金刚石油石粒度、浓度以及结合剂三个珩磨工具参数中,油石粒度和油石结合剂对陶瓷材料珩磨加工表面粗糙度的影响作用较显著。
Diamond abrasive grain size, concentration and binder in the three parameters of honing tools, abrasive particle size and abrasive binder for ceramic materials honing processing has obvious effect of surface roughness.
Diamond abrasive grain size, concentration and binder in the three parameters of honing tools, abrasive particle size and abrasive binder for ceramic materials honing processing has obvious effect of surface roughness.
工程陶瓷材料采用平顶珩磨加工方法,可去除材料表面轮廓中锋利的凸峰,形成具有平顶特性的陶瓷材料表面,在实际应用中避免发生配合面材料的磨损。
Engineering ceramic materials with flat-roofed honing processing method, can remove material surface contour sharp convex peak, in the form with flat top properties of the surface of the ceramic material, avoid mating surface materials in the practical application of wear and tear.
珩磨管厂家 //www.crgfx.com 摘自网络。
Engineering ceramic materials with flat-roofed honing processing method, can remove material surface contour sharp convex peak, in the form with flat top properties of the surface of the ceramic material, avoid mating surface materials in the practical application of wear and tear.
珩磨管厂家 //www.crgfx.com 摘自网络。
上一篇:高精度冷拔钢管的应用领域
下一篇:珩磨管和无缝钢管之间的区别