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二手电动螺旋压力机厂家、二手压力机

一、本公司出售二手压力机、二手电动螺旋压力机、二手摩擦压力机、二手液压压力机等,型号齐全,价格合理,联系电话:86-13676907460

二、本公司可以提供二手压力机的拆卸、安装等技术服务,可以摩擦压力机改电动螺旋压力机。

三、 确定压力机的规格时要遵循如下原则:

    1.压力机的公称压力必须大于冲压工艺力。但对工作行程较长的工序,不仅仅是只要满足工艺力的大小就可以了,必须同时考虑满足其工作负荷曲线才行。

    2.压力机滑块行程应满足制件在高度上能获得所需尺寸,并在冲压工序完成后能顺利地从模具上取出来。对于拉伸件,则行程应在制件高度两倍以上。

    3.压力机的行程次数应符合生产率的要求。

    4.压力机的闭合高度、工作台面尺寸、滑块尺寸、模柄孔尺寸等都要能满足模具的正确安装要求,对于曲柄压力机,模具的闭合高度应在压力机的最大装模高度与最小装模高度之间。工作台尺寸一般应大于模具下模座50-70mm(单边),以便于安装,垫板孔径应大于制件或废料投影尺寸,以便于漏料模柄尺寸应与模柄孔尺寸相符。

The following principles should be followed when determining the specifications of the press:

1. The nominal pressure of the press must be greater than the stamping process force.However, for a process with a long working stroke, it is not only necessary to meet the size of the process force, but also to meet its workload curve.

2. The stroke of the slider of the press shall meet the requirement that the required size can be obtained from the height of the workpiece, and can be taken out from the mold smoothly after the stamping process is completed.For stretching parts, the stroke should be more than twice the height of the parts.

3. The stroke times of the press should meet the requirements of productivity.

4. The closure height of the press, the size of the working table, the size of the slide block and the size of the hole of the die handle should meet the requirements of correct installation of the die. For the crank press, the closure height of the die should be between the maximum and minimum mounting height of the press.The size of the worktable should be generally greater than 50-70mm (single side) of the mold base for easy installation. The diameter of the backing plate should be larger than the projection size of the parts or waste materials, so that the size of the leaking mold handle should be consistent with the size of the mold handle hole.




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