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Home
About us
Company profile
Production equipment
Quality control
Human resources
Certificate
Product
Four row cylindrical roller bearing
Double row cylindrical roller bearing
Backing bearing
Double row angular contact ball bearing
Four point angular contact ball bearing
Deep groove ball bearing
Bi-directional thrust tapered roller bearing
Double row tapered roller bearing
Double row tapered roller bearing inch series
Four row tapered roller bearing
Four row tapered roller bearing inch series
Stock Inquery
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Interchange
News
Company news
Industry news
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Imported rolling mill bearing replacement expert!
Fully produced and processed according to SKF bearing standards,
Reduce costs for enterprises, increase production capacity, save energy and increase efficiency.
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甘肃省质监督局通报1季度滚动轴承产品质量抽查情况
2011-05-11
今年第1季度,甘肃省质量技术监督局委托有关省级质检机构对全省生产和销售的农机配件、滚动轴承等产品质量进行了监督检查,本次监督检查了359家生产经销企业的432批次产品,产品抽样检验实物质量合格率为91.7%。其中:合格率为100%的有2种产品,90%以上的2种产品,80%以上的有3种产品。
农机零配件合格率89.0%
本次共检查了兰州、武威、天水、定西四市139家流通企业的164批次农机零配件,121家企业的146批次产品合格,产品抽样检验合格率为89.0%,与去年同期相比上升了1个百分点。检查结果表明:气门、活塞、活塞环、活塞销、普通V带等产品在连续几年的检验中一直保持较高的合格率。粉碎机锤片、旋耕机刀片、螺栓等产品质量依然较差,不合格项目仍然集中在硬度指标上,并占不合格产品的72.2%。其原因是企业热处理工艺控制不严所致,硬度过低,产品易磨损、变形,降低使用寿命;硬度过高,则容易发生断裂,引发安全事故。
轴承合格率90.3%
检查了兰州市72家经销企业的103批次的轴承,63家企业的93批次产品合格,产品抽样检验合格率为90.3%,与去年同期相比下降了6.1个百分点。本次检查中有9批次轴承不合格,不合格项仍然是外径、内径、宽度等。内径、外径是影响轴承精度、性能的主要质量指标,不合格会造成轴承内、外径尺寸精度离散度过大,超差现象比较严重。内径、外径共性问题主要是轴承内孔、外圆加工尺寸不符合标准值,并且离散度大,内、外径尺寸和宽度超标,导致轴承与主机装配时出现问题,甚至无法装配,影响轴承的使用。
针对轴承等7类产品质量省级监督检查中发现的问题,甘肃省质量技术监督局要求各市(州)质量技术监督部门要依据有关法律、法规的规定,采取有效措施,督促不合格产品生产、经销企业认真整改,把后处理工作落到实处。(中国质量新闻网)
2011年第1季度甘肃省轴承产品质量监督检查生产(经销)不合格产品及企业名单
2011-05-10
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