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

An end-user out of Michigan inquired in looking for a more efficient way to tap parts coming off their waterjet. They needed an arm that could handle tapping 1/2” up to 3/4” holes in 2″ thick aluminum.

They sent in some material and we went ahead and performed the tap test using a pneumatic and a hydraulic tapping arm. We used both arms to show the speed difference between the RNR and GH-24.

Tapping holes into 2 inch thick aluminum with a pneumatic FlexArm

The low gear on the RNR has a limit of 100 RPM, while the GH-24 has an independent control where you can tap up to 500 RPM. We started with the RNR-20 pneumatic arm and tapped the 1/2″ and 3/4″ hole with no problem at all. Next, we moved over to the GH-24 hydraulic arm and tapped the remaining holes at a slightly faster speed. Both arms performed as expected. In the end, they chose the RNR because it better suited their needs.

If you are experiencing any similar tapping issues or looking to see how a pneumatic and a hydraulic arm would perform on your parts give us a call at 1-800-837-2503 or schedule a tap test today.

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