Spindle standstill monitoring-alarm(Heidenhain TNC640)

In the event of a spindle standstill monitoring alarm, the standstill position monitoring window can be edited by adjusting the value specified in the ‘checkPosStandstill’ parameter. However, this is only a temporary solution, and we recommend identifying and addressing the root cause of the fault to prevent future occurrences. How…...

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Feed rate compensation on circular arcs(Heidenhain iTNC530,TNC640)

Standard case The feedrate specified in CNC program refers to the path described by the tool center.For straight line movements,the feed rate of cutting point of the tool is equal to the feed rate of the center of the tool.In the case of movement on a circular arcs ,this is…...

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How to measure for ball screw backlash

What is backlash? Backlash is strictly the axial free motion of the ball screw to the ball nut, it is not rotational. HOW TO MEASURE FOR BACKLASH 1. Place a magnetic base indicator directly on the screw. Put a .0001 indicator point on the nut flange. Take a bar and press…...

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Heidenhain iTNC 530 HSCI motor monitorig functions

In case of alarms the 8B30motor temperature is too high, 8BB0 motor temperature low, etc. you can temporarily disable the alarms in parameter 2220.Temperature too low -bit 5.too low -bit 4 Physically check that the temperature is OK before making changes.(the problem is with temperature sensor)This is only a temporary…...

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Setting up a Shared Network Folder on a Siemens 840D with PCU50 and Windows XP

In order to transmit folders/ARC-files from a Siemens 840D to a shared network folder (eg. monitored by DNC-Max, Siemens 840 WPD Folder), you have to set up a HMI softkey to point to this shared folder. Notice: Do not just share the Workpiece folder on the controller to copy folder/files…...

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