Lincoln Electric Welding System K278 1 User Manual

AUTOMATIC WIRE FEEDERS  
Spreadarc Oscillator  
Input  
42  
Automatic Welding Head Oscillator  
VAC  
The Spreadarcis designed to oscillate an automatic  
welding head for continuous welding at high duty cycles.  
The Spreadarcis compatible with the NA-3, NA-4, NA-5  
and Power Feed10A Lincoln® automatic welding heads  
and ideal for hardfacing applications.  
or  
115  
VAC  
The operator can set the oscillation travel speeds  
and dwell times at either end of the stroke to provide  
smoother bead edges through a digital control panel  
on the front of the machine. Additionally, the jog mode  
allows the operator to position the welding nozzle in  
the correct starting location for a particular weld seam.  
Processes  
MIG, Flux-Cored, Submerged Arc, Hardfacing  
Advantage Lincoln  
• Arc length remains constant during oscillation to provide a more  
uniform penetration.  
• Dwell timers provide delay periods at the end-points of the stroke for  
smoother bead edges.  
• The oscilation travel speed of the arc is uniform across the bead.  
• Bright, digital displays and LEDs.  
• Rugged 24VDC right angle gear motor.  
• Heavy duty push buttons for everyday industrial use.  
• Jog feature for positioning nozzle before welding procedure begins.  
• Three-year warranty on parts and labor.  
TECHNICAL SPECIFICATIONS  
Oscillating  
Distance  
in. (mm)  
Maximum  
Load  
lbs. (kg)  
Dimensions  
H x W x D  
in (mm)  
Oscillation  
Speed  
IPM (m/s)  
Net  
Weight  
lbs (kg)  
Product  
Name  
Product  
Number  
Input  
Power  
Dwell  
Time  
42VAC/1/50/60, 3A  
or  
115VAC//1/50/60 1A  
Spreadarc™ Oscillator  
K278-1  
0.25-4 (0-100)  
65 (29.5)  
13.7 x 17.8 x 12.6  
(348 x 450 x 320)  
10 -150  
(0.25-3.8)  
0.0 - 4.0  
seconds  
65  
(29.5)  
Publication E9.50 09/06  
 

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