Related Manuals for HUAYUAN LGK-200IGBT
Summary of Contents for HUAYUAN LGK-200IGBT
- Page 1 LGK-200IGBT （B） PLASMA CUTTING MACHINE MANUAL INSTRUCTION (PLEASE READ IT CAREFULLY BEFORE OPERATION)
- Page 2 Safety Depends on You HUAYUAN arc welding and cutting equipments are designed and built with ample safety consideration. However, proper installing and operating can ensure your safety. DO NOT INSTALL, OPERATE OR REPAIR THIS EQUIPMENT CASUALLY WITHOUT READING THIS MANUAL THROUGHOUT.
- Page 3 C a u t i o n s Arc and arc rays can hurt. All performing welding workers ought to have health qualification from the authority organization to prevent you and others from arc radiation and burn. It should be prevented for children to enter into dangerous area as well. Be careful reading the following important items and the welder safety byelaw from the authority organization.
- Page 4 6 Power: (For electrically powered welding and cutting equipment) Turn off input power before installation, maintenances and repair, so that avoid accident. HUAYUAN welding equipment is Ι class safeguard equipment; please install the equipment in accordance with the manufacturer’s recommendations by specific persons. ...
- Page 5 Do not work near to the welding power source. 9 Lift Equipment: carton or wooden boxes package the welding machines supplied by HUAYUAN. There is no lifting equipment in its wrapper. Users can move it to the prospective area by a fork-lift truck, and then open the box.
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Page 6: Table Of Contents
CATALOGUE Summary ............................. 6 Model description ........................ 6 Features ..........................6 Usage ........................... 6 Symbol instructions ......................6 Safety and attention ........................7 Working Environment Requirements ..................8 Environmental condition ..................... 8 Power supply condition ....................... 8 Technical parameters ........................8 Main technical parameters .................... -
Page 7: Summary
Summary Model description □□□ IGBT IGBT Inverter Rated cutting current Cutting Plasma Features It has good characteristics as following: It can be used for cutting and gouging both This cutting machine adopts IGBT inverter technology which has high reliability and efficiency. It is light weight. -
Page 8: Safety And Attention
Read the manual carefully Dangerous voltage Over-heat Input voltage Power abnormal Output current Air pressure Voltage output Coolant liquid input Voltage input Coolant liquid output Cutting Plasma torch Check gas Lock Ground lead Unlock Protection ground lead Water cooling Remote control Air cooling Increase/ Decrease The nozzle connection of... -
Page 9: Working Environment Requirements
It is forbidden to inhale harmful gases. The fumes and gases produced during cutting is hazardous to health. Please wear protective shields and install aerator according to related rules and regulations of labor protection. Cutting cannot proceed in closed container. ... -
Page 10: Plasma Gas Condition
Current adjust range 40～200A Quality cutting thickness（steel） 1～45mm Max. cutting thickness（steel） 65mm Plasma gas Compressed air Air pressure（gouging） 0.35～0.45Mpa Air pressure（cutting） 0.45～0.6MPa Torch cooling mode Air/water cooling Arc strike mode Non-contact Insulation grade Protection grade IP21S Dimension mm(L×W×H) 800×380× 810 Weight 82kg Plasma gas condition... -
Page 11: Machine Working Theory
Machine working theory Installation and operation Moving and lifting Power source should be shut off before moving the cutter; The cutter bottom should be kept downwards during transportation. It is forbidden to have cutter placed transversely or upended; ... -
Page 12: The Connection Of Three Phase Input Cable
Contact capacity of input copper area of ground cable (mm cable (mm LGK-200IGBT ≥16 ≥16 The connection of power lead Use eligible cables and sockets to connect it, and must be operated by a qualified electrician. Connection of ground cable Connect the green-yellow wire of power source cable to the ground, the sectional area must match the requirements in above form, to ground firmly. - Page 13 The selection of torch nozzle The best current range for different nozzles is different. Please select the nozzle according to below form. Cutting nozzle: Nozzle （mm） 20～ 30～ 40～ 70～ 80～ 110～ 140～ 180～ 220～ Current （ A） Gouging nozzle: Nozzle（mm）...
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Page 14: Panel And Its Functions
Connector pin 1 and pin 2 is signal output of success arc striking, it is one group of contact terminal of relay, it’s on closing status when the cutter is working, and it’s on breaking status when the cutter is not working. Its rated load capability is 0.3A/125VAC or 1A/30VDC;... -
Page 15: Protection Function Introduction
21) Torch backwater connector: It is used to connect the water recycle pipe; 22) Water inlet connector: to connect the water outlet pipe of water cooling machine; 23) Backwater connector: to connect the backwater pipe of the water cooling machine; 24) Air pressure regulation filter：... -
Page 16: Operation
striking; Note: the water and air pressure protection function is for protecting the torch only! Notes of anti-interference (Specially pay attention when work on CNC automatic cutting equipment) Cover the whole torch cable (from torch holder to output terminal ) of the cutter with shielding layer, the shielding layer should be metal hose or shielding net pipe made of aluminum or copper, metal materials which is magnetic conducted cannot be used, the shielding layer don't need to connect with ground;... -
Page 17: Gouging Operation
Turn on the power switch after installation and connection. Then the power indicator lamp is ON; If the gas pressure is less than 0.25Mpa, the lamp will be OFF, then the gas supply should be checked; Start water supply equipment. The indicator lamp of water pressure on panel is ON when opens water supply valve. -
Page 18: Gouging Technology Instruction
compressed gas stops supply in 15 seconds. When it is at 4-Step point, press down the switch and loosen it, and cutting starts after arc striking automatically. Press the switch again or press it till the arc is off, then there is no voltage output, cutting ends, and compressed gas stops supply in 15 seconds. - Page 19 4、 Gouging surface parameter setting Following are the gouging parameter for low carbon steel for reference Current Nozzle Air pressure Air flow Basic distance Angleα Move speed Thickness Width （mm/min） （mm） （mm） (mm) (Mpa) (L/min) (mm) (°) 13.2 1000 11.4 1250 11.6 11.5...
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Page 20: Cutting Technology Instruction
aluminum N2 can lengthen the gouging parts life time, and get acceptable gouging groove surface on carbon steel and stainless steel Ar/H5 mixed gas can get best metal remove without slag on the gouging surface. It can get clear and smooth quality on aluminum and stainless steel gouging groove surface Cutting technology instruction The related main technical parameters... -
Page 21: Eliminate The Cutting Burr
The power source with high open circuit voltage is required for cutting thick work-piece. The open circuit voltage is related with air type, for example, by using argon the open circuit voltage may be lower, while it is higher by using air, nitrogen, hydrogen. -
Page 22: Repair And Maintenance
over-heated, while the cutting speed is fast, the drag is enlarged, this is not beneficial for eliminating burr. So under certain circumstance, there exists a proper selection range for air flux and cutting speed. Diminish the cutting surface slanting and rounding problem The incision surface is a little slant and the upper side is a little round during cutting with air plasma. - Page 23 1．The ambient temperature is too high. 1．Let the cutter rest for a while, and will 3. No arc striking or arc 2 ． When cutting, cooling fan rotates come to work normally later. breaking during cutting. slowly or do not rotate, so the cooling 2．Check fan power source or change cooling Overheat indicator lamp effect is weak.
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Page 24: Some Main Components Sheet
Some main components sheet Code Name Model Remarks V2、V3 IGBT CM200DC-24NFM TA1、TA2 Hall sensor TKC-200BS Air breaker CDB2-125/3P/D100 Control transformer LGK7-1 Control transformer LGK7-2 Solenoid valve DF2-B-2/36V AC Solenoid valve Q22XD-5-36V AC Cooling fan 200FZY2-D/AC220 Potentiometer RV24YN-20S-B502 Temperature replay JUC-6F-75℃常闭 Pressure controller YKC 0.3/0.25 PL07... -
Page 25: Attached Diagram：main Circuit Diagram
Attached diagram：main circuit diagram... - Page 26 The final explanation rights reserved to Huayuan Company! If there is any changes in the user’s manual, forgive not to inform separately! Chengdu Huayuan Electric equipment Co.,Ltd. Address: Wuhou National Science Park, Chengdu, China Postcode: 610045 Telephone:0086-28-85744098 Fax:0086-28-85744095 E-mail: hy_sales@126.com chengduhuayuan@hotmail.com...
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