北京机械加工厂技术(shu)方(fang)面(mian),遵守(shou)了(le)相关技术(shu)要求(qiu),才能使机(ji)械加(jia)工(gong)(gong)(gong)成品更加(jia)规(gui)范和合理,具体的技术(shu)要求(qiu)零(ling)(ling)件(jian)(jian)加(jia)工(gong)(gong)(gong)表面(mian)上,不应该有划痕、擦伤等零(ling)(ling)件(jian)(jian)表面(mian)的缺陷。零(ling)(ling)件(jian)(jian)去除氧化皮(pi),而(er)未注(zhu)形状公差应符合标准的要求(qiu),未注(zhu)长度尺寸允许(xu)偏差在固定范围。机(ji)械加(jia)工(gong)(gong)(gong)装(zhuang)配(pei)液压(ya)系(xi)统时允许(xu)人们使用密(mi)封填料或是(shi)密(mi)封胶,但应该防止(zhi)进入(ru)系(xi)统中。机(ji)械加(jia)工(gong)(gong)(gong)零(ling)(ling)件(jian)(jian)在装(zhuang)配(pei)前应清(qing)理和清(qing)洗干净,不能有毛(mao)刺、飞边、氧化皮(pi)、着色剂和灰(hui)尘等。
机(ji)械(xie)加(jia)(jia)(jia)工(gong)装(zhuang)配过程中零件(jian)不能出(chu)现(xian)磕碰(peng)、划伤(shang)和(he)锈蚀,严禁打击或是(shi)使用(yong)不合适(shi)的(de)(de)旋具(ju)和(he)扳(ban)手。紧(jin)固(gu)之(zhi)后的(de)(de)螺(luo)钉(ding)槽、螺(luo)母(mu)和(he)螺(luo)钉(ding)、螺(luo)栓头部(bu)不能出(chu)现(xian)损坏。机(ji)械(xie)加(jia)(jia)(jia)工(gong)轴(zhou)承(cheng)外圈(quan)(quan)与开(kai)式轴(zhou)承(cheng)座(zuo)及(ji)其(qi)轴(zhou)承(cheng)盖(gai)的(de)(de)半(ban)(ban)圆(yuan)孔不准有卡(ka)住的(de)(de)现(xian)象(xiang),轴(zhou)承(cheng)外圈(quan)(quan)与开(kai)式轴(zhou)承(cheng)座(zuo)及(ji)其(qi)轴(zhou)承(cheng)盖(gai)的(de)(de)半(ban)(ban)圆(yuan)孔应接触良好,实(shi)际(ji)上用(yong)涂(tu)色检查(cha)时,与轴(zhou)承(cheng)座(zuo)在对(dui)称于中心线对(dui)称均匀接触。机(ji)械(xie)加(jia)(jia)(jia)工(gong)用(yong)定位销(xiao)固(gu)定轴(zhou)瓦时,一定要(yao)保证瓦口面(mian)和(he)端面(mian)与相关(guan)轴(zhou)承(cheng)孔的(de)(de)开(kai)合面(mian)与端面(mian)包持平齐(qi)状(zhuang)态下钻铰和(he)配销(xiao)。销(xiao)打入后不能松动。机(ji)械(xie)加(jia)(jia)(jia)工(gong)铸(zhu)件(jian)非加(jia)(jia)(jia)工(gong)表面(mian)上的(de)(de)铸(zhu)字与标(biao)志应清晰可(ke)辨(bian),位置(zhi)与字体应符合图样要(yao)求。所有需(xu)要(yao)进行涂(tu)装(zhuang)的(de)(de)钢铁(tie)制件(jian)表面(mian)需(xu)在涂(tu)漆前(qian),将(jiang)铁(tie)锈、氧化皮、油脂和(he)污物等除去。机(ji)器产(chan)品铸(zhu)件(jian)的(de)(de)非加(jia)(jia)(jia)工(gong)表面(mian)需(xu)喷丸处理(li)或是(shi)滚筒处理(li)。