Tapping Cast Iron Parts Horizontally & Vertically

Watch the video of this application at the bottom of the page.

An end-user out of Indiana was interested in a FlexArm because they were looking to take their tapping operations offline. They offer CNC services for customers in the automotive, heavy truck, and agricultural industries, so they deal with a lot of cast iron parts. The problem they were facing is that they were breaking too many taps and scrapping too many parts. So, they went ahead and sent in a part and we ran a tap test for them.

The GHM-18 (signified with the ‘M’ in GHM) was chosen because the part requires both horizontal and vertical tapping. First, we used an m10 tap to vertically tap the blind and through holes on the top of the part. We then adjusted the multi-head by aligning it horizontally to the part using the alignment plug. This will ensure the tap stays perpendicular to the part and will result in consistent threads every time.

We replaced the alignment plug with the m14 tap and tapped the blind holes horizontally. The FlexArm was able to quickly and easily go from vertical to horizontal tapping in no time at all. 

If you are ready to stop breaking taps or looking to take your tapping operations outside the CNC machine give us a call at 1-800-837-2503 or schedule a tap test today. 


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