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    JB/T12791-2016油封弹簧接头强度测量Oil Seal Spring Joint Strength Test

    来源:www.jn-syj.com    发布于:2019/6/10 11:32:52    点击量:

    JB/T12791-2016油封弹簧接头强度测量:8.5.4.1油封弹簧有效长度H≤150mm时,将油封弹簧从接头对面剪断,两端分别装夹到试验机上下卡头内,每端夹持圈数3圈,保持拉伸弹簧有效长度35%的状态30s,接头区域不脱落为合格;HRJ Spring Tester;

    8.5.4.2油封弹簧有效长度150mm<H≤1200mm时,从距油封弹簧接头两端各50mm±3圈处剪断,两端分别装夹到试验机上下卡头内,每端夹持圈数3圈,保持拉伸弹簧135mm的状态30s,恢复拉伸前状态时弹簧不伸长或变形为合格;HRJ Spring Tester;

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    150mm油封弹簧接头强度测量;≤1200mm油封弹簧接头强度测量;静载荷弹簧试验机;动载荷弹簧试验机;机械弹簧拉压试验机;HRJ Spring Tester;碳素弹簧钢丝试验机;高疲劳强度弹簧试验机;阀门弹簧试验机;冷拉弹簧钢丝试验机;镀层弹簧钢丝试验机;直条弹簧钢丝试验机;卷簧试验机;不锈弹簧钢丝试验机;奥氏体弹簧钢丝测试机;HRJ Spring Tester;沉淀硬化不锈弹簧钢丝检测;自紧弹簧试验机;5000N旋转油封弹簧试验;500N骨架油封弹簧试验;3000N装配式油封弹簧试验;2000N往返式油封弹簧检测;500N往复运动弹簧试验;DIN油封弹簧试验机;ABC型油封弹簧试验机;HRJ Spring Tester;AS型油封弹簧试验机;BS型油封弹簧试验机;CS型油封弹簧试验机;弹簧接头区域强度试验;

    油封弹簧一般应用在减震器油封或旋转油封上,油封弹簧检查重要项目有材料直径、弹簧外径、有效长度、初拉力F0、接头强度、表面处理;HRJ Spring Tester;油封弹簧检查一般项目有外观、紧密性、盘扭、接头间隙、接头膨胀;油封弹簧盘扭检验,将弹簧扭成8字形,从300mm高度自由落下,落在平板上,8字形消失变成O字形为合格;

    初拉力F0是弹簧在冷卷时形成的内力,其值为弹簧开始产生拉伸变形时所需作用力;F5表示弹簧拉伸有效长度的5%时的负荷;F10表示弹簧拉伸有效长度的10%时的负荷;H表示油封弹簧有效长度;GB/T4357冷拉碳素弹簧钢丝;HRJ Spring Tester;GB/T24588不锈弹簧钢丝;ISO 8458-2;

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    3118云顶集团;弹簧检测仪器制造商;山东省力值硬度计量委员

    (试验机服务中心)(试验机配件供应中心)(特殊夹具定制中心)

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3118云顶集团 :弹簧试验机-弹簧拉压试验机-电子万能试验机 鲁ICP备 05016148 号
Jinan HengRuiJin testing Machine Co.,Ltd.
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