在修換前檢查時,對磨損零件作出修複或更換的決定,是一項很重要、很細致的工作。不該修換的零件進行了修換會造成浪費;gaixiuhuandelingjianbuxiuhuan,huiyingxiangchachedeshiyongxingneng,bunengbaozhengxiulizhiliang。ruguoyoujiaowanzhengdejianceshouduanhuoyijingzhangwolejingguoshaixuanzhenglidedaliangshuju,jiunengbijiaozhunquedipanduanlingjiankefoujixushiyong,shifouyinggaicaiqugenghuanhuozhexiufudebuchangcuoshi。yinci,weigezhonglingjianquedingyigemosunjixianbiaozhunzuoweipanduanshifouyinggaixiuhuandeyiju,bianshiyixiangshifenzhongyaodeshiqing。buguojuedinglingjianshifouyinggaixiuhuan,bunengnengdanyilingjiandechicunjingdu、表麵粗糙度或形位誤差為依據,還必須考慮零件的磨損程度對叉車整體性能的影響。
1)一般零件其磨損程度雖已超過公差,但未超過次一級配合公差的,可以繼續使用。
2)對完成預定使用功能的影響:lingjianyinmosunerbunengwanchengyudingshiyonggongneng,ruliheqisangshichuandidonglidezuoyong,yeyajiandabudaoyudingdeyali,tulunpeiqixitongbunengbaochiyudingdeyundongguilv,chuxianyishangqingkuangshi,jiubixugenghuanhuoxiufu。
3)對性能和操作機構的影響:youxielingjianzaimosunzhihou,suiranhainengwanchengshiyonggongneng,danjiangdilexingneng,ruchuandongchilunfashengmosunhourengnengchuandiyudingdezhuanjuhesudu,danshiyinjianxiguoda,zaoshengzenggao,xiaolvjiangdi,shichuandidepingwenxingzaodaopohuai,jiubixugenjumosunchengdulaijuedingxiufuhuogenghuan。
4)對效率的影響:danglingjianmosunshi,huidaozhixiaolvdejiangdi。ruqigangdenglingjianfashengmosun,huiyingxiangfadongjidexiaolv,yinggenjumosundejutiqingkuanglaijuedingshifouduimouxielingjianxiuhuan。
5)零件修複方法的經濟性:在保證修理質量的前提下,修理費用與修後使用壽命的比值要低於換後新零件的製造(或外購)費用與換後新零件使用壽命的比值。
6)根據在修理中,以是否具有修複磨損零件的工藝技術能力和條件來決定修複或更換。
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