Rotary Broach Holders & Set-Up Plugs
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Rotary broach holders and set-up plugs improve the accuracy of rotary broaches, which produce polygonal shapes in holes. Rotary broach holders secure the broaches to a lathe, milling machine, machining center, or other compatible machine. They hold the centerline of the broach at a 1° angle relative to the centerline of the workpiece so that the broach wobbles to create a shearing effect as it moves into the workpiece. Rotary broach set-up plugs make an indentation on a workpiece to help center a rotary broach as it cuts into the workpiece.
Adjustable Rotary Broach Holders
Rotary broach holders are used to install rotary broaches onto a compatible machine such as a lathe, milling machine, or machining center. They have an internal spindle that spins the broach at the same speed as the workpiece when used on a turning machine. They hold the centerline of the broach at a 1° angle relative to the centerline of the workpiece. This causes the broach to wobble, which creates a shearing effect as the broach moves into the workpiece.
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Set-Up Plugs for Rotary Broach Holders
Rotary broach set-up plugs create an indentation on a workpiece to help a rotary broach stay centered as it starts to cut into the workpiece. Set-up plugs are installed on the tool holder of the machine before the broaching operation is started. The set-up plug is used to cut a shallow circular indentation in the place where the broach will be cutting into the workpiece. The set-up plug is then removed from the tool holder and replaced with the rotary broach to begin the broaching operation.
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