论文部分内容阅读
一台日本加藤公司产KR-250越野型起重机的供油齿轮泵严重磨损,不能使用,购置原配件困难。用其他型号的齿轮泵无法替代,于是我们决定对其进行修复。该泵主要磨损处是泵壳体主、从动齿轮内腔(工作腔),磨掉1.2～1.7 mm,内泄严重;原泵壳体壁厚20mm,采用镶套法修复,泵壳体材料是球磨铸铁,故采用同等材料制做镶套(可以利用废旧
A Japan Kato KR-250 off-road crane supply gear pump serious wear and tear, can not be used, the difficulty of the purchase of original accessories. With other types of gear pump can not be replaced, so we decided to repair it. The main wear of the pump is the pump housing main and driven gear lumen (working chamber), worn off 1.2 ~ 1.7 mm, serious internal leakage; the original pump shell wall thickness 20mm, using set method repair, pump housing material Is a ball mill, so made of the same material set of inserts (you can use waste