DB12T 552-2015 自行车车把技术规范

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1、ICS43.150Y14DB12天津市地方标准DB12/T552—2015自行车车把技术规范Technicalspecificationforbicyclehandlebars2015-01-23发布2015-03-01实施天津市市场和质量监督管理委员会发布目次前言................................................................................II1范围..........................................................

2、....................12规范性引用文件....................................................................13术语和定义........................................................................14产品分类..........................................................................15要求................

3、..............................................................25.1外观..........................................................................25.2把横管高低偏差................................................................25.3把立管安全线.................................................

4、.................25.4把套或把盖对把橫管的拉脱力....................................................25.5把芯丝杆断裂力矩..............................................................25.6把立管侧向弯曲................................................................25.7把橫管和把立管组合件侧向弯曲.......................

5、...........................25.8把立管向前弯曲................................................................25.9把橫管对把立管的扭矩..........................................................35.10把横管和把立管组合件的疲劳试验................................................36试验方法............................

6、..............................................36.1外观..........................................................................36.2把横管高低偏差................................................................36.3把立管安全线.................................................................

7、.36.4把套或把盖对把橫管的拉脱力....................................................36.5把芯丝杆断裂力矩试验..........................................................36.6把立管侧向弯曲试验............................................................46.7把橫管和把立管组合件侧向弯曲试验.........................................

8、.....46.8把立管向前弯曲试验..................................................