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1、J54JB/T54844－1999龍門銑床產(chǎn)品質(zhì)量分等（內(nèi)部使用）1999-06-09發(fā)布2000-01-01實(shí)施國家機(jī)械工業(yè)局發(fā)布JB/T54844－1999目次前言1范圍·······································································································································································
2、·············································12引用標(biāo)準(zhǔn)·········································································································································································································13
3、質(zhì)量等級·········································································································································································································2附錄A（標(biāo)準(zhǔn)的附錄）龍門銑床精度三級分等表···························
4、······················································································17附錄B（標(biāo)準(zhǔn)的附錄）龍門銑床的補(bǔ)充試驗(yàn)····························································································································21IJB/T54844－1999前言本標(biāo)準(zhǔn)是
5、對JB/T54844—93《龍門銑床產(chǎn)品質(zhì)量分等》的修訂。本標(biāo)準(zhǔn)是對JB/T54201—1994《金屬切削機(jī)床產(chǎn)品質(zhì)量通用分等》的補(bǔ)充和具體化。它是產(chǎn)品質(zhì)量考核、分等定級、優(yōu)質(zhì)優(yōu)價的依據(jù)。本標(biāo)準(zhǔn)與JB/T54844—93的主要差異是：——第2章“引用標(biāo)準(zhǔn)”作了較大修改；——由于“引用標(biāo)準(zhǔn)”的修改，有關(guān)的技術(shù)內(nèi)容也作了相應(yīng)的增減；——“安全衛(wèi)生”一章中增加了“一般應(yīng)有符合安全設(shè)計的三級防護(hù)措施”的要求，其有關(guān)條文也作了適當(dāng)?shù)恼{(diào)整；——按有關(guān)規(guī)定進(jìn)行了編輯性修改。本標(biāo)準(zhǔn)自實(shí)施之日起代替JB/T54844—9
6、3。本標(biāo)準(zhǔn)的附錄A和附錄B都是標(biāo)準(zhǔn)的附錄。本標(biāo)準(zhǔn)由全國金屬切削機(jī)床標(biāo)準(zhǔn)化技術(shù)委員會提出。本標(biāo)準(zhǔn)由全國金屬切削機(jī)床標(biāo)準(zhǔn)化技術(shù)委員會銑床分會歸口。本標(biāo)準(zhǔn)負(fù)責(zé)起草單位：北京第一機(jī)床廠。本標(biāo)準(zhǔn)于1986年首次發(fā)布，1993年第一次修訂。II中華人民共和國機(jī)械行業(yè)標(biāo)準(zhǔn)JB/T54844－1999龍門銑床產(chǎn)品質(zhì)量分等代替JB/T54844—93（內(nèi)部使用）1范圍本標(biāo)準(zhǔn)規(guī)定了一般用途的工作臺移動式龍門銑床和龍門鏜銑床的產(chǎn)品質(zhì)量等級要求。本標(biāo)準(zhǔn)適用于工作臺臺面寬度1000~5000mm的一般用途工作臺移動式龍門銑床和龍
7、門鏜銑床。2引用標(biāo)準(zhǔn)下列標(biāo)準(zhǔn)所包含的條文，通過在本標(biāo)準(zhǔn)中引用而構(gòu)成為本標(biāo)準(zhǔn)的條文。本標(biāo)準(zhǔn)出版時，所示版本均為有效。所有標(biāo)準(zhǔn)都會被修訂，使用本標(biāo)準(zhǔn)的各方應(yīng)探討使用下列標(biāo)準(zhǔn)最新版本的可能性。GB/T3837.1—1983機(jī)床工具7∶24圓錐聯(lián)結(jié)主軸端部GB/T5226.1—1996工業(yè)機(jī)械電氣設(shè)備第1部分：通用技術(shù)條件GB/T6576—1986機(jī)床潤滑系統(tǒng)GB/T7932—1987氣動系統(tǒng)通用技術(shù)條件GB/T9061—1988金屬切削機(jī)床通用技術(shù)條件GB/T13306—1991標(biāo)牌GB/T15375—199
8、4金屬切削機(jī)床型號編制方法GB15760—1995金屬切削機(jī)床安全防護(hù)通用技術(shù)條件GB/T16769—1997金屬切削機(jī)床噪聲聲壓級測量方法JB/T3027—1993龍門銑床參數(shù)JB/T3028—1993龍門銑床精度JB/T3029—1993龍門銑床技術(shù)條件JB/T3997—1994金屬切削機(jī)床灰鑄鐵件技術(shù)條件JB/T5563—1991金屬切削機(jī)床圓錐表面涂色法檢驗(yàn)及評定JB/T8356.1—1996機(jī)床包裝技術(shù)條件JB/T8356.2—1
