Converting Bridgeport to CNC

[nokillzone]

What Motors to use .. on a 10x54 table

Nema 34 878oz
or
Nama 34 1600oz

Use the 1600 for table and 878oz for quill OR WOULD 878oz work for all axis ?

Can someone Let me know Before i spend Money...
Thanks!

[79TigerPilot]

Here is what I did form my BP conversion which seems to work super:

Current Mill Drive Setup:
X,Y axis (5 TPI 1.25" dia. gorund ball screws)
Tormach 1558 in-oz Stepper motor
Drive configuration: (2:1 28 tooth and 56 tooth pulley
SPD/SI A 6A25M028DF1508 HTD 5mm pitch (28 tooth)
SPD/SI A 6A25M056NF1512 HTD 5mm pitch (56 tooth)
SPD/SI A 6R25M133150 15mm wide 133 teeth timing belt
SPD/SI A 6R25M117150 15mm wide 117 teeth timing belt

Knee: (5 TPI 1.5" dia. ground ball screw)
Kelinginc.net KL342160-62-8A (1810 in-oz) Stepper
Drive configuration: (3:1 24 tooth and 72 tooth pulley)
SPD/SI A 6A25-024NF1508 HTD 5mm pitch
SPD/SI A 6A25-072NF1512 HTD 5mm pitch
SPD/SI A 6R25M133150 133 teeth 15 mm wide belt

Quill: kelinginc.net KL34H295-43-8B (906 in-oz) Stepper Motor
SPD/SI
Drive configuration: timing belt 2:1

Steper Drivers: Gecko 203V's about 65V

Craig