Related Manuals for Hwayuan Electric LGK-40/63IGBT
Summary of Contents for Hwayuan Electric LGK-40/63IGBT
- Page 1 LGK-40/63IGBT IGBT INVETER AIR PLASMA CUTTING MACHINE OPERATOR’S MANUAL (PLEASE READ IT CAREFULLY BEFORE OPERATION) CHENGDU HUAYUAN ELECTRIC EQUIPMENT CO., LTD.
- Page 2 LGK-40/63IGBT OPERATOR’S MANUAL 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 LGK-40/63IGBT OPERATOR’S MANUAL Cautions 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.
- Page 4 LGK-40/63IGBT OPERATOR’S MANUAL hurt or even death. Read and understand the manufacturer’s instructions for this equipment, and validate the health certification of consumptive materials, make sure they are innocuous. 4 Spatter：Spatter can cause fire or explosion. Remove fire hazards from the welding area. Remember that spatter from welding can easily go through small cracks and touch fire hazards.
- Page 5 LGK-40/63IGBT OPERATOR’S MANUAL 7 Power： (For engine driven welding and cutting equipment) Work in ventilated place or outdoors. Do not add fuel near to fire or during engine starting or welding. When not working, add fuel after engine is cooling down;...
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Page 6: Table Of Contents
LGK-40/63IGBT OPERATOR’S MANUAL CONTENTS Summary …………………………………………………………… 6 Safety and Attention ………………………………………………… 6 Work Environment Conditions ………………………………………… 7 Technique Parameters……………………………………………………7 Working Principles………………………………………………………8 Panel and Functions ……………………………………………………10 Protection function of the cutter…………………………………………11 Installation and Operation……………………………………………… 11 ... -
Page 7: Summary
Cutting Plasma cutting 2. Characteristics LGK-40/63IGBT inverter air plasma cutting machine is the latest development cutter in our company. It has good characteristics as following: 1) This cutting machine adopts IGBT inverter technology which has high reliability and efficiency. It is light weight. -
Page 8: Work Environment Conditions
LGK-40/63IGBT OPERATOR’S MANUAL when cutting. When exchanging torch and wearing parts, please turn off the supply power first. Protective shield should be worn. In order to avoid any hurt to eyes from ultraviolet radiation and strong light and to skin from spatter, please wear protective shield according to related rules and regulations of labor protection. -
Page 9: Working Principles
LGK-40/63IGBT OPERATOR’S MANUAL Rated input voltage 3～50Hz 380V Rated input capability 6.0KVA 9.9KVA Open circuit voltage 222VDC 260VDC Rated output current Current adjusting range 20～40A 30～63A Rated output voltage 105.2V Rated duty cycle Insulation level Quality cutting thickness（steel） 0.1～7mm 0.1～12mm Max cutting thickness（steel）... - Page 10 LGK-40/63IGBT OPERATOR’S MANUAL current sensor connected to output terminal in series, is used as negative feedback control signal. After comparing with current adjusting signal, the negative control signal is sent to PWM adjusting integrated circuit, then a controlled driving pulse is output to control IGBT. Thereby a constant output current can be maintained, and a steep dropping &...
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Page 11: Panel And Functions
LGK-40/63IGBT OPERATOR’S MANUAL Filter board LGK63IGBT-AP5 Air filter regulator GFR-200-08 Diagram Common component list Panel and its functions（see Figure 3） ◆ 此 开 关 仅 作 保 护 用 输 入 3～ 380V 请 另 配 电 源 开 关 ！... -
Page 12: Protection Function Of The Cutter
LGK-40/63IGBT OPERATOR’S MANUAL 12. Air pressure regulation filter：For adjusting work pressure of compressed air and filtrating water from air. Protection function of the cutter ◆ Air pressure protection 1. When the indicated value of the pressure meter, which is fixed on the back of the cutter, is lower than 0.2 MPa, the protection circuit starts working and the cutter cannot start. - Page 13 LGK-40/63IGBT OPERATOR’S MANUAL Power supply wire cross profile, ground wire cross profile, breaker and fuse should refer to the diagram below. Items LGK-40IGBT LGK-63IGBT ） Power supply wire cross profile（mm 2.5-4 ） 2.5-4 Ground wire cross profile（mm Breaker capacity（A）...
- Page 14 LGK-40/63IGBT OPERATOR’S MANUAL 7. Connection of cutting ground wire Connect the fast connector of cutting ground wire with the outlet marked with Cutting Ground Wire on the front panel and screw down it clockwise. The other end of the cutting ground wire is connected to workpiece firmly.
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Page 15: Maintenance
LGK-40/63IGBT OPERATOR’S MANUAL the back panel to make the pressure and flux fit cutting condition. After adjusting, set the switch to Cutting position. 5. Set the cutting current to required value. 6. Let the nozzle axes plumb the workpiece and cling to it firmly, press down the torch switch and start to cut by striking arc from the edge of workpiece. -
Page 16: Cutting Technology Instruction
LGK-40/63IGBT OPERATOR’S MANUAL 8. Drain out regularly the water and impurities from filtering reducing valve. Notes: When maintaining the cutter, professional electrician is required to dismantle the power wire from distribution box and open the machine casing. Cutting technology instruction The related main technical parameters ... -
Page 17: Troubleshooting And Repair
LGK-40/63IGBT OPERATOR’S MANUAL speed. When the flame is short while the cutting speed is too fast, drag L increases, so the vertical and horizontal blow force of the arc is formed, the vertical one helps to blow away the molten metal, while the horizontal one makes the molten metal flow backward along with incision bottom, this over-heated metal will melt parts of the bottom metal again, then the burr is formed when they cool down and melt together. -
Page 18: Accessories
LGK-40/63IGBT OPERATOR’S MANUAL power switch of distribution box is damaged, and if the fuse and the machine power wire are well equipped. Otherwise it will cause phase missing or bad contact, which makes the machine work abnormally； 3) Check if the torch switch and its wire are damaged or short-circuit, and if the nozzle and electrode are damaged；... - Page 19 LGK-40/63IGBT OPERATOR’S MANUAL Cutting power source 1set Cutting torch Ground cable 3m(with DJK-16 red connector and ground clamp) Product certificate Instruction manual...
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