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2018-12-06
数控钢筋弯箍机定尺弯箍存在误差的原因有哪些！

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数控钢筋弯箍机定尺弯箍的定义是：钢筋调直完毕后，需对其长度进行测量，以便给出定长弯箍信号。但是从其定尺工作的过程，我们就可以分析出其定尺弯箍误差存在的原因有哪些，下面我给大家分享一下：

由于钢筋在行走且锤头位置不确定，而存在的误差。调直钢筋被压辊拖动，以一定速度行进(一般情况钢筋前进速度为30m/min)，锤头上下往复运动频率为600次/分，则锤头完成一个行程需要0.1s，即数控弯箍机构从接收到信号，到锤头落下弯箍完成，时间在0～0.1s范围内变化。若让钢筋自由行走，钢筋必须会存在0～50mm之间的行走误差。

按照目前数控钢筋弯箍机的定长方法，是到位后迫使钢筋停止前进，来获得所需的弯箍精度，则夹辊与钢筋间将存在相对运动而打滑，势必在钢筋表面形成划痕。同样，迫使钢筋停止前进亦会产生上节所出现的情况，而且钢筋越长，误差越严重。

还有一种可能就是钢筋顶动数控弯箍机的定尺板，因弯曲引起的误差。受料架上定尺板及拉筋均有一定的质量，且存在滑动摩擦力，而且还要拖动行程开关动作，钢筋或多或少地存在一定的弯曲，不可避免地存在定长误差。

以上分析希望能够帮助到大家！大家想要了解更多钢加工智能设备的相关知识内容可以继续关注我们！

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SWG12 CNC Stirrup bending machine
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