Tweco VA 4000 Ultra-Feed - Manual (Page 22)

ULTRAFEED VA 4000
2-4 September 18, 2012
Features Benefits
A. Improved wire speed accuracy.
B. Line voltage compensation.
C. Load compensation.
D. Current limit to motor.
A. Allows “cold” inching of wire at set wire feed speed.
B. Allows purging of gas without running wire.
3. Standard 2 Step / 4 Step
A. Allows gun switch activated control as standard (2 Step) or
with preflow, trigger hold, and postflow (4 Step).
A. Allows adjustment of power source arc voltage from the wire
feeder.
B. Operator has full control of welding parameters at the wire
feeder; can remote power source.
5. Standard 6’ Control Cable A. Ready to weld.
6. Run-In Parameter Adjustment
A. DIP switch located on motor control board allows operator to
tune starting characteristics to improve starting.
A. Provides protection against ground fault currents.
B. Signals operator of ground fault with STATUS LED.
8. Input Circuit Breaker A. Provides total system protection.
A. Protects motor.
B. Eliminates need for fuse protection.
10. Small Size A. Takes up small amount of space.
11. Upgradable A. Full set of options to build feeder to your needs.
A. Allows operator to change feed rolls without the use of tools.
B. Both feed rolls are gear-driven.
13. Rotatable Feedhead
A. Allows operator to modify angle of feedhead to limit severity
of bends on the wire. Improved feedability.
14. Gun Clamp Knob
A. Allows operator to secure welding gun to the feedhead
without the use of tools.
15. Welding Gun Quick Connects A. Offers a quick and easy connection for welding guns.
16. Hinged Feedhead Cover A. Permits quick and easy access to the wire drive system.
17. Dynamic Brake
A. Solid State control of motor brake offers precise stopping of
the wire.
18. Replaceable Motor Brushes A. Extends motor life.
19. Needle Bearing Construction
On Motor Output Shaft A. Reduces friction and extends bearing life over a sleeve
bearing.
20. Gas Valve Solenoid A. Controls the “on / off” flow of shielding gas.
21. 100% Duty Cycle A. Eliminates shutdowns due to overtemperature.
7. Ground Fault Protection
9. Electronic Motor Protection
12. Quick Change Feed Rolls
UltraFeed VA 4000 Features & Benefits
1. Solid State Control
2. Standard Inch/Purge
4. Standard Remote Voltage
2.06 Features and Benefits
2.07 Options and Accessories
Refer to the Appendix section of this manual for the list of available options and accessories for this product.