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Rotary Broach Holders - Wobble - Blind Hole - Roto Broach - for .315 inch diameter shanks
Rotary Broach Holders - Wobble - Blind Hole - Roto Broach Accepts Internal Hex Rotary / Punch Broaches Hassey-Savage (HS) Broach not included. Applications: For broaches with .315" diameter shanks Use on any type of CNC or manual turning, milling, drilling or screw machine. Broaching a Rotating Workpiece In a turning or screw machine, the holder is mounted stationary while its internal live spindle and the broach rotates after contct with the rotating workpiece. At the appropriate feed, the workpiece is sheared by the pressure of the broach through a wobbling type action producing the polygon shape desired. Broaching a Stationary Workpiece In a milling or drilling machine, the holder is mounted into and rotates with the machine spindle while its internal live spindle along with the broach remains stationary upon contact with the stationary workpiece. While the machine spindle is rotating, the broach's pressure shears the polygon shape into the workpiece (wobbling type action). Features: The holder has an internal live spindle, which holds the end cutting broach tool. The centerline of the cutting tool is offset at 1 degree from the centerline of the workpiece. This offset causes the broach to wobble creating a shearing effect as the broach is advanced into the workpiece or vise versa. FOB: Mfg. ------------------------------- Order # 30-623-080 -Shank diameter: 5/8 inch, shank length 1-1/2 inch, overall length 3-27/64 inch, broach shank depth - 9/16 inch, model # P-67040 Order # 30-623-081 - Shank diameter: 3/4 inch, shank length 2 inches, overall length 3-59/64 inches, broach shank depth - 9/16 inch, model # P67048S
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