標(biāo)準(zhǔn)編號(hào):	GB/T 33624-2017
中文名稱:	滾動(dòng)軸承 清潔度測(cè)量及評(píng)定方法
英文名稱:	Rolling bearings―Test and assessment methods for cleanliness
中標(biāo)分類:	J11    滾動(dòng)軸承
行業(yè)分類:	GB    國家標(biāo)準(zhǔn)
ICS分類:	21.100.20 21.100.20    滾動(dòng)軸承 21.100.20
發(fā)布機(jī)構(gòu):	中華人民共和國國家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局 中國國家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2017-05-12
實(shí)施日期:	2017-12-1
標(biāo)準(zhǔn)狀態(tài):	valid
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	15000 字
翻譯價(jià)格(元):	330.0
交付時(shí)間:	付款后 1~3 個(gè)工作日

1 Scope This standard specifies the test and assessment methods for cleanliness of rolling bearing (hereinafter referred to as "bearing") and bearing part. This standard is applicable to the test and assessment of various open bearings and closed bearings before grease filling as well as the test and assessment of bearing parts. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. SH 0004-1990(2007) Solvent oil for Rubber Industry 3 Terms and Definitions For the purposes of this standard, the following terms and definitions apply. 3.1 impurity the particle attached on the surface of bearing/bearing part and having influence on bearing performance 3.2 particle size the maximum size of particle (the maximum distance from point to point on the contour line of particle striograph) 3.3 bearing/bearing part cleanliness the weight of impurity on each set of bearing/each bearing part or the weight of impurity per unit surface area; the size and number of impurity particle from each set of bearing/each piece of bearing part or the size and number of impurity particle per unit surface area

1. Scope 2. Normative Reference 3. Terms and Definitions 4. Measurement Principle 4.1 Weighing Method 4.2 Particle Counting Method 5 Environmental Conditions of Measurement 6 Measuring Device, Instrument, Material and Cleaning of Instrument 7 Measurement Procedures 7.1 Blank Test 7.2 Weighing Method 7.3 Particle Counting Method 7.4 Counting Procedures 8. Cleanliness Assessment Annex A (Normative) Measurement Method for Dustfall Quantity per Unit Area of Cleanliness Measuring Chamber A.1 Measuring Device and Instrument A.2 Material A.3 Measurement of Dustfall Quantity A.4 Calculation of Dustfall Quantity per Unit Area Annex B (Normative) Measuring Device, Instrument and Material for Cleanliness and Cleaning of Instrument B.1 Measuring Device and Instrument B.2 Material B.3 Cleaning of Instrument Annex C (Normative) Procedures for Blank Test and Effective Filtration Area (EFA) Calibration C.1 Procedures for Blank Test C.2 Procedures for Effective Filtration Area (EFA) Calibration Annex D (Normative) Cleanness Limit of Radial Ball Bearing