【技術】：吨位仪（荷重计）功能简介 Tonnage monitor features

Tonnage monitor

A tonnage monitor is a meter used on a stamping press to measure the force applied by the ram. In a press, the cutting and forming tools in the die will wear down, requiring increasing effort to stamp the part. A tonnage monitor allows the user to observe this degradation and decide when it is time to sharpen and adjust the die. It generally uses strain gauges attached to the frame or tie rods of the press. The gauges provide an electric signal by means of piezoelectric effect as they are stretched during press operation.
The tonnage monitor may provide any of the following additional features:
•Warning indication when the load exceeds a setpoint
•A press stop signal to halt the press at the top of the stroke for when the load exceeds a set point. This signal is generally used to watch for sudden events such as a tool breaking or a part becoming jammed.
•Recording of successive press hits to show the operational trend
•Graphing of a single stroke. With a progressive die, such a graph can be used by the tool and die maker to view the operation of the different cutting pieces and thereby optimize tool performance.

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吨位仪

吨位仪（吨位计、吨位监视器）是在冲压机上用于测量柱塞施加的力的仪表。在压力机中，模具中的切割和成型工具会磨损，需要增加冲压零件的力度。吨位监视器允许用户观察这种退化，并决定何时打磨和调整模具。它通常使用连接在压力机框架或拉杆上的应变仪。压力计在压力机操作期间被拉伸时，通过压电效应提供电信号。
吨位监视器可以提供以下任何附加功能：
•负载超过设定值时的警告指示
•当负载超过设定点时，发出在冲程上部停止压力机的压力机停止信号。该信号通常用于监视突发事件，例如工具断裂或零件卡住。
•记录连续的冲床冲击以显示趋势
•单冲程绘图。对于级进模，工具和模具制造商可以使用这样的图表来查看不同切削件的操作，从而优化工具性能。

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