Accudyne Offers Expanded Capacity Bar Puller
The EZ-Puller Expanded Capacity is an auto-adjusting bar puller that enables automatic operation of CNC lathes, designed for larger round bar diameters.
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View MoreAccudyne Products has introduced the expanded capacity bar puller for CNC lathe automation. The EZ-Puller Expanded Capacity is designed to support round bar diameters of 0.093" to 2.00" and weights of up to 100 lbs. It has a hex bar capacity of 0.250" to 1.375" and square bar capacity of 0.250" to 1.000", and it pulls without an M19 (spindle orientation) function.
The EZ-Puller is an auto-adjusting bar puller that enables automatic operation of CNC lathes, Accudyne says. The auto-adjust feature is driven by an “X” value in the pulling subroutine of a lathe program. This value represents the distance the tool needs to move in the X-axis according to the bar diameter being pulled.
The EZ-Puller uses a cam and lifter system, with hardened steel grippers that are attached to hardened steel pivot arms. These arms have an integral cam lobe machined at the top of the arm. As the grippers advance over the bar stock, internal urethane springs are compressed. The urethane springs provide a reactive force that allows the grippers to securely hold the bar stock, providing optimal gripping force regardless of bar size or shape, according to the company.
Other features of the EZ-Puller are that it will accommodate a range of sizes within its capacity without mechanical adjustment, allowing for multiple pulls, Accudyne notes. The EZ-Puller is also designed to allow for pulling bars with minimal projection in front of the work-holding chuck, which the company says enables machinists to set up with as little as two gripper serrations (0.120") of engagement.
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