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    圣戈班经典案例分享:TG砂轮在叶片强力磨上的拓

    政策法规 | 来源:中国磨料磨具网 | 发布日期:2015-08-01 查看次数:846

    核心提示:TG磨料呈条状结构。作为一种优异的新型磨料,它具有更锋利的切削刃和更高的材料去除能力,能有效减少磨削过程中产生的热损伤,并提升工件表面品质,非常适合强调高效率加工的场合,特别是齿轮磨、内圆磨和强力磨削等。概况某客户为军工单位,对产品的质量要求非常严格。一直以来,其使用的都是竞品砂轮加工航空叶片榫齿。圣戈班通过与客户开展密切合作,采用TG砂轮进行多次试验后,取得非常理想的测试结果。设备:Blohm PLANOMAT 608工件:叶片榫齿,材料K418B光洁度要求:Ra 0.8砂轮型号: 竞品 400 x 2

      TG磨料呈条状结构。作为一种优异的新型磨料,它具有更锋利的切削刃和更高的材料去除能力,能有效减少磨削过程中产生的热损伤,并提升工件表面品质,非常适合强调高效率加工的场合,特别是齿轮磨、内圆磨和强力磨削等。

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      概况

      某客户为军工单位,对产品的质量要求非常严格。一直以来,其使用的都是竞品砂轮加工航空叶片榫齿。圣戈班通过与客户开展密切合作,采用TG砂轮进行多次试验后,取得非常理想的测试结果。

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      设备:Blohm PLANOMAT 608

      工件:叶片榫齿,材料K418B

      光洁度要求:Ra 0.8

      砂轮型号: 竞品 400 x 20 x 127F13A80FF22V

      诺顿 400 x 20 x 127 3TG 60G VXP.M

      试验情况:

      1. 首先使用竞品砂轮磨削了两个工件,使用FIS*记录了试验过程。

      2. 按照已有操作参数,使用Norton TG砂轮磨削了8个工件。工件形状以及尺寸一致性非常好,未发现烧伤振纹,目测表面光洁度与竞品砂轮相当。

      3. 经过沟通,客户同意圣戈班使用更高的磨削参数来加工工件。我们对工件进刀速度和砂轮修整量分别进行调整,即提高20%及50%的进刀速度或减少一半的砂轮修整量,通过FIS显示,磨削功率没有明显的上升,工件形状也满足要求,未发现振纹烧伤。

      4. 最后,我们对工件进刀速度和砂轮修整量进行同时调整,并减少了总磨削次数,结果良好。

      最终试验结果如下:

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      试验总结:

      1. 砂轮寿命

      按照以上操作参数,竞品砂轮每片能磨削80个工件,Norton砂轮则能磨削207个工件。

      2. 加工节拍

      与竞品砂轮相比,Norton TG砂轮提高了29%的生产效率,寿命提高到257%。工件形状、尺寸一致性和表面质量均满足客户要求。


      3. 功率对比

      通过对比可以发现,Norton TG砂轮可以有效降低磨削功率。


      *FIS过程分析

      FIS是圣戈班创新研发的一种便携式的专业测试工具,用于记录、分析和比较磨削过程中的信息,以实现磨削过程的最优化。FIS现场测试系统可以帮助客户优化磨削过程,缩短磨削周期,延长磨具寿命,同时也可以测试机床性能和设置磨削基准参数等。

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