Tapping Arm Maintains Consistency

Originally titled 'Tapping Arm Maintains Consistency'

FlexArm Inc.’s GH-60 hydraulic tapping arm with a capacity of 2" has a reach ranging from 20" to 85" and operates at 55 or 275 rpm to deliver as much as 811 foot-pounds of torque.

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FlexArm Inc.’s GH-60 hydraulic tapping arm with a capacity of 2", even in laser cut holes, has a reach ranging from 20" to 85" and operates at 55 or 275 rpm to deliver as much as 811 foot-pounds of torque. Full 360-degree movement enables operators to position taps with perpendicularity. The arm operates from a 480-V power source to provide tapping capacities ranging from ½" to 2". Five quick-change tap holders and semi-tap lubrication are included with each purchase. With fast setup times and reduced breakage, the tapping arms are said to be an especially useful alternative to tapping large-diameter holes manually, or via CNC, even laser cut holes. Optional digital depth control is said to enable operators to control depth and maintain consistency. An optional multi-position head enables operators to change from vertical to horizontal tapping. 

When operators load a machining center and start its cycle, they can use that cycle time to tap previously machined parts with the tapping arm, according to the company. Tap breakage rates are said to be reduced with the tapping arm due to its purpose-centered approach. With a tap breakage rate of 1 per 3,000 holes, versus 1 per 300 holes on a CNC, the tapping arms can reduce setup time, cost and scrap rates.