標(biāo)準(zhǔn)解讀
《GB/T 25763-2024 滾動(dòng)軸承 汽車(chē)變速箱用滾針軸承》與《GB/T 25763-2010 滾動(dòng)軸承 汽車(chē)變速箱用滾針軸承》相比,主要在以下幾個(gè)方面進(jìn)行了更新和調(diào)整:
首先,在標(biāo)準(zhǔn)的適用范圍上有所擴(kuò)展。新版本不僅涵蓋了原有型號(hào)的滾針軸承,還增加了對(duì)新型號(hào)滾針軸承的要求,以適應(yīng)近年來(lái)汽車(chē)工業(yè)技術(shù)的發(fā)展需求。
其次,對(duì)于材料的要求更加嚴(yán)格。2024版標(biāo)準(zhǔn)中明確了更多種類(lèi)的材料選項(xiàng),并且提高了對(duì)材料性能的具體要求,比如硬度、耐腐蝕性等指標(biāo)都有所提升,旨在提高產(chǎn)品的使用壽命和可靠性。
再者,關(guān)于制造精度的規(guī)定也更為詳細(xì)。新版標(biāo)準(zhǔn)細(xì)化了尺寸公差、形位公差等方面的要求,確保了產(chǎn)品的一致性和互換性,有利于提高整個(gè)行業(yè)的標(biāo)準(zhǔn)化水平。
此外,檢測(cè)方法和技術(shù)條件也有相應(yīng)更新。為了更好地保證產(chǎn)品質(zhì)量,《GB/T 25763-2024》引入了一些先進(jìn)的測(cè)試手段和技術(shù)規(guī)范,如改進(jìn)后的疲勞壽命試驗(yàn)方法等,這有助于更準(zhǔn)確地評(píng)估軸承的實(shí)際工作性能。
最后,在包裝、標(biāo)志以及運(yùn)輸儲(chǔ)存條件等方面也做了適當(dāng)修改和完善,增強(qiáng)了指導(dǎo)性和操作性,便于企業(yè)實(shí)施及執(zhí)行。
如需獲取更多詳盡信息,請(qǐng)直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。
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- 2024-09-29 頒布
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GB/T 25763-2024滾動(dòng)軸承汽車(chē)變速箱用滾針軸承-免費(fèi)下載試讀頁(yè)文檔簡(jiǎn)介
ICS21.100.20
CCSJ11
中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)
GB/T25763—2024
代替GB/T25763—2010
滾動(dòng)軸承汽車(chē)變速箱用滾針軸承
Rollingbearings—Needlerollerbearingsforautomotivetransmission
2024?09?29發(fā)布2025?01?01實(shí)施
國(guó)家市場(chǎng)監(jiān)督管理總局
國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)發(fā)布
GB/T25763—2024
目次
前言··························································································································Ⅲ
1范圍·······················································································································1
2規(guī)范性引用文件········································································································1
3術(shù)語(yǔ)和定義··············································································································2
4符號(hào)·······················································································································2
5變速箱用滾針軸承分類(lèi)·······························································································2
6代號(hào)方法·················································································································2
6.1代號(hào)構(gòu)成···········································································································2
6.2類(lèi)型代號(hào)和尺寸系列代號(hào)······················································································2
6.3后置代號(hào)···········································································································3
6.4代號(hào)示例···········································································································4
7結(jié)構(gòu)類(lèi)型·················································································································5
8外形尺寸···············································································································12
9技術(shù)要求···············································································································12
9.1材料及熱處理····································································································12
9.2公差················································································································12
9.3滾針表面形狀····································································································15
9.4表面粗糙度·······································································································15
9.5游隙················································································································15
9.6殘磁················································································································15
9.7清潔度·············································································································15
9.8旋轉(zhuǎn)靈活性·······································································································15
9.9外觀質(zhì)量··········································································································15
9.10壽命··············································································································15
9.11其他··············································································································15
10檢測(cè)方法··············································································································16
10.1公差的測(cè)量·····································································································16
10.2滾針凸度值的測(cè)量····························································································16
10.3表面粗糙度的測(cè)量····························································································16
10.4游隙的測(cè)量·····································································································16
10.5殘磁的測(cè)量·····································································································16
10.6清潔度的測(cè)試··································································································16
10.7旋轉(zhuǎn)靈活性的檢查····························································································17
Ⅰ
GB/T25763—2024
10.8外觀質(zhì)量的檢查·······························································································17
10.9壽命試驗(yàn)········································································································17
11檢驗(yàn)規(guī)則··············································································································17
11.1出廠檢驗(yàn)········································································································17
11.2驗(yàn)收檢驗(yàn)········································································································18
11.3型式檢驗(yàn)········································································································18
12標(biāo)志····················································································································18
13防銹包裝··············································································································18
附錄A(資料性)軸和軸承座與滾針軸承配合處的技術(shù)條件··················································19
參考文獻(xiàn)····················································································································21
Ⅱ
GB/T25763—2024
前言
本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分:標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)
定起草。
本文件代替GB/T25763—2010《滾動(dòng)軸承汽車(chē)變速箱用滾針軸承》,與GB/T25763—2010相
比,除結(jié)構(gòu)調(diào)整和編輯性改動(dòng)外,主要技術(shù)變化如下:
a)更改了適用范圍(見(jiàn)第1章,2010年版的第1章);
b)增加了推力滾針軸承組件等部分滾針軸承分類(lèi)(見(jiàn)第5章);
c)增加了推力滾針軸承組件等部分軸承的代號(hào)方法和代號(hào)示例(見(jiàn)6.2.3、6.4);
d)增加了推力滾針軸承組件等部分軸承的結(jié)構(gòu)型式(見(jiàn)7.6);
e)增加了“外形尺寸”一章(見(jiàn)第8章);
f)更改了沖壓外圈滾針軸承外徑公差的尺寸范圍(見(jiàn)表8,2010年版的表7);
g)增加了推力滾針軸承組件的公差(見(jiàn)表9、表10);
h)更改了清潔度控制指標(biāo)及測(cè)試濾膜孔徑尺寸(見(jiàn)9.7、10.6,2010年版的8.7、9.6)。
請(qǐng)注意本文件的某些內(nèi)容可能涉及專(zhuān)利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專(zhuān)利的責(zé)任。
本文件由中國(guó)機(jī)械工業(yè)聯(lián)合會(huì)提出。
本文件由全國(guó)滾動(dòng)軸承標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SAC/TC98)歸口。
本文件起草單位:常州光洋軸承股份有限公司、洛陽(yáng)軸承研究所有限公司、鎮(zhèn)江飛亞軸承有限責(zé)任
公司、襄陽(yáng)汽車(chē)軸承股份有限公司、上海人本集團(tuán)有限公司。
本文件主要起草人:王子銘、王星星、李飛雪、宋曉梅、郭平、郭長(zhǎng)建、湯偉慶。
本文件于2010年首次發(fā)布,本次為第一次修訂。
Ⅲ
GB/T25763—2024
滾動(dòng)軸承汽車(chē)變速箱用滾針軸承
1范圍
本文件規(guī)定了汽車(chē)變速箱用滾針軸承的代號(hào)方法、結(jié)構(gòu)類(lèi)型、外形尺寸、技術(shù)要求、檢測(cè)方法、檢驗(yàn)
規(guī)則、標(biāo)志和防銹包裝。
本文件適用于汽車(chē)變速箱用滾針軸承(以下簡(jiǎn)稱(chēng)“軸承”)的制造。
2規(guī)范性引用文件
下列文件中的內(nèi)容通過(guò)文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文
件,僅該日期對(duì)應(yīng)的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用于
本文件。
GB/T272—2017滾動(dòng)軸承代號(hào)方法
GB/T307.1—2017滾動(dòng)軸承向心軸承產(chǎn)品幾何技術(shù)規(guī)范(GPS)和公差值
GB/T307.2—2005滾動(dòng)軸承測(cè)量和檢驗(yàn)的原則及方法
GB/T307.3—2017滾動(dòng)軸承通用技術(shù)規(guī)則
GB/T2828.1—2012計(jì)數(shù)抽樣檢驗(yàn)程序第1部分:按接收質(zhì)量限(AQL)檢索的逐批檢驗(yàn)抽樣
計(jì)劃
GB/T4199—2003滾動(dòng)軸承公差定義
GB/T4604.1—2012滾動(dòng)軸承游隙第1
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