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Bridgeport Mill Series 1 Repair FAQ'S!

Motor Removal
Replace Drive Belt
Replace Timing Belt
Replace Brake Shoes
Replace Clock Spring
Micro Feed Trip Assy & Quill Removal
Feed Trip Adjustments
Replace Collet Alignment Screw
Table Screw Backlash Adjustment
Cross Feed Screw Backlash Adjustment
Gib Adjustments
6F Power Feed Wiring
8F Power Feed Wiring
Bridgeport Power Feed Checkout
Servo Repair Policy

MILL ACCESSORIES :: Ballscrews :: 36" Rolled Thread Ball Screw Kit for machines without Bridgeport Power Feed

36" Rolled Thread Ball Screw Kit for machines without Bridgeport Power Feed

36" Rolled Thread Ball Screw Kit for machines without Bridgeport Power Feed-includes new Yoke. Made in the U.S.A. Ballscrew kits are designed to replace the original acme screws.

• High-Capacity, Long-Life: Each ball nut assembly of the Rockford preloaded unit has one circuit of 3 1/2 turns of ball bearings. It will provide a load life expectancy of 50 million inches of travel at an operating load of 400 pounds. The screw and nut assemblies are made of hardened steel.

• Precision-Rolled Ball Screws: Lead accuracy is guaranteed to be within.003 inches per foot accumulative. Lead charts for programming lead error on n/c applications are available.

• Preloaded Ball Nuts: Each ball nut is preloaded to eliminate lost motion. This system stiffness provides faster response from a control command. This added stiffness also allows heavier cuts and climb milling thus increasing productivity. The preload is adjustable. This feature permits readjustment for wear and reduces the need for repair or replacement at some time in the future.

• Brush-Type Wipers: Brush-type wipers, at the ends of each preloaded ball nut assembly prevents entry of dirt and metal chips.