Objective: in order to standardize the inspection and acceptance of heat treatment parts, the inspector can accurately judge whether the parts are qualified

Gearboxisoneoftheimportantpartsandmustbeusedandmaintainedcorrectlytoextendservicelife.  Afterthegearboxisinstalled,themanualdiscshouldmoveflexiblywithoutthephenomenonofstuck,andthecontactspotsonthetoo

Alargenumberofrollingbearingsareusedinthesupportofgearboxes,whicharecharacterizedbyverysmallstaticanddynamicfrictiontorques,evenwhentheloadandvelocityvaryoverawiderange.Itisconvenienttoinstallandusero

Forgearandshaftparts,thematerialselectionandstructuredesignisverystrictduetothefunctionoftransmissionpower.Inordertoimprovethebearingcapacity,gearandshaftaregenerallymadeofalloysteel.Externalgearsarer

The shaft in gear box can be divided into active shaft, driven shaft and intermediate shaft according to its active and passive relations. The outermost part of the head active shaft and final driven

A broken tooth is usually formed by the gradual extension of a fine crack. According to the crack growth and fracture reasons, the fracture can be divided into overload fracture (including impact frac

高炉矿渣(高炉水淬矿渣)是冶金工业炼铁、炼钢的主要固体废弃物。我国粗钢产量持续多年世界第一，而生产1吨粗钢产生0.5～1吨矿渣。矿渣处理通常时露天堆积或地下掩埋，侵占大片土地，污染毒化土壤、水体和大气，严重影响生态环境，并造成巨大的经济损失和资源浪费。　　 　　碾磨机和矿渣微粉技术的发展，使得矿渣微粉生产砖瓦、水泥、保温墙体等建筑材料成为矿渣再利用的主要方向。将高炉矿渣碾磨成最经济的400-450