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加工组装模具时,模架导柱组装精度的检查是个难题。针对这种情况设计制做了一种轻便的垂直度比较仪,用这种比较仪检查各种模架导柱时操作简便,所测出的不垂直度误差值准确。在一般模具厂现用的固定式或移动式的垂直度测量仪,其结构和工作原理大致相同,即都是采用以垂直仪导柱为测量基准,靠导套在导柱上滑动来测量工件垂直度。但由于其导套与导柱之间配有一定的滑动间隙,较标准的垂直仪其导套孔与导柱之间的间隙在0.01～0.015之间。由于滑动间隙的存在,不可避免地降低了这种垂直仪的测量精度。往往可出现±0.02的测量误差,这主要是垂直仪本身导套孔与导柱之间的滑动间隙造成的晃动所致。如果将导套与导柱的间隙配得过小,则影响其使用的灵活性。为了提高测量精度及使用简便,采用比较式的并可任意移动量具位置的这种测量方法是可行的。现将这种比较垂直仪使用方法简介如下:
Processing assembly mold, the mold assembly guide column precision inspection is a problem. Designed for this situation made a lightweight vertical comparator, with this comparator to check the various types of mold guide column easy to operate, the measured value of the non-square error is accurate. In the general mold factory is now in use fixed or mobile verticality measuring instrument, its structure and working principle is roughly the same, that is, the instrument is used to measure the vertical guide column by the guide sleeve sliding on the guide column to measure the workpiece Verticality. However, due to the sliding sleeve between the guide sleeve and guide post, the clearance between the guide sleeve hole and guide post of the standard vertical instrument is between 0.01 and 0.015. Due to the sliding gap, the measurement accuracy of this vertical instrument is inevitably reduced. Often there can be ± 0.02 measurement error, which is mainly caused by the vertical instrument itself guide sleeve guide hole sliding gap between the cause caused. If the guide sleeve and the guide column clearance too small, it affects the flexibility of its use. In order to improve the measurement accuracy and ease of use, this method of measurement using a comparative type and capable of arbitrarily moving the gage position is feasible. Now use this method to compare vertical instrument is as follows: