WARPP LGK-40 Instruction Manual
DC INVERTER AIR PLASMA
CUTTING MACHINE
LGK-40
Instruction Manual
M/s WARPP ENGINEERS PVT. LTD.
B-1005, WESTERN EDGE II, NEAR METRO MALL,
OFF.WESTERN EXPRESS HIGHWAY, BORIVALI (E),
MUMBAI-400 066.
Tel:91-22-28542272/73/74. Fax: 91-22-28542275.
Email:sales@warpp.co.in W ebsite:www.warpp.co.in
Introduction
The cutting machine applies the advanced technology of inversion. Its
principle is making the 50/60Hz line frequency inverted to high frequency
(more than 100 kHz) with the V-MOSFET high power binistor, and then
stepping down and rectifying to attain high power DC source through the
pulse width modulation (PWM) technology. Thus the weight and size of the
transformer is greatly decreased and the efficiency is improved up 30%. The
principle of high frequency oscillation (HFO) is applied in the arc striking
system and makes it easy to arcing. Furthermore, the gas pre-flow and
post-flow function is available. It is stable, reliable, portable, energy saving,
noiseless, fast cutting speed, smooth scarfing and free of burnishing.
The cutting machine can be widely used. It can cut stainless steel, low carbon
steel, copper and other non-ferrous metals. The conversion efficiency of the
whole machine is over 85%.
CONTENTS
1. MAJOR TECHNICAL PARAMETERS ................................................................... ................ 1
2. INSTALLATION ......................................................................................................................... 2
3. OPERATION ............................................................................................................................... 3
4. PRECAUTIONS .......................................................................................................................... 4
5. MAINTENANCE ........................................................................................................................ 6
6. TROUBLESHOOTING ............................................................................................................. 7
r
r
1. Major Technical Parameters
Model
LGK-40
Parameters
Input voltage（V） AC220V±10%
Input power supply capacity
（KVA）
6
No-load voltage（V） 230
Current adjustable range（A） 10-40
Rated output voltage（V） 100
Rated duty cycle（%） 60
Efficiency ≥ 85
Power factor cosø 0.93
Insulation level B
Casing protection level IP21
Arcing mode contacted
Recommended air compresso
pressure（KG）
Recommended air compresso
air displacement（KG）
4.5
0.17
Net weight（kg） 8
Dimensions（mm）
( L×W×H )
375×155×240
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