6/3/2011 | 1 MINUTE READ

Bar Loaders Provide Synchronization Through Shared Control

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The Citizen CAV bar loader (engineered for use exclusively with Cincom Swiss-type turning centers) is configured to the speeds, torque, power and axis movements of the Cincom machine, allowing it to respond with the precise movements needed for optimum precision, performance and productivity, the company says.   CAV and the Cincom share the same CNC controller and the same electrical system.

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The Citizen CAV bar loader (engineered for use exclusively with Cincom Swiss-type turning centers) is configured to the speeds, torque, power and axis movements of the Cincom machine, allowing it to respond with the precise movements needed for optimum precision, performance and productivity, the company says.
 
CAV and the Cincom share the same CNC controller and the same electrical system. Other benefits include faster setups, easier operation and total control from a single console; it handles round, square and hexagonal stock with diameters from 0.078" to 1 1/4" and lengths to 13 ft.; the stabilizing mechanism aligns the bar’s center of rotation with the center of the spindle; and forces are evenly distributed, protecting the spindle from excessive wear.
 
As the bar rotates, it becomes hydrostatically supported in a bath of oil, and perfectly centered in the guide channels. Even with full-length 13-ft. bars, the lathe can operate noise-free and vibration-free at speeds to 12,000 rpm.
 
Movements of the bar feeder are automatically programmed as an additional Z axis on the turning center’s CNC. All bar feeder movements mirror exactly the movements in the lathe.
 

An auxiliary device pre-positions the bar. Forward and back motion is controlled by a servo that's connected directly to the lathe’s CNC. The bar positions to tenths accuracy with no following error. Insertion and braking response times are instantaneous. 

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