HUAYUAN LGK-200IGBT Manual Download Page 1

Page: 1 / 26

LGK-200IGBT

（

）

PLASMA CUTTING MACHINE

MANUAL

INSTRUCTION

(PLEASE READ IT CAREFULLY BEFORE OPERATION)

Summary of Contents for LGK-200IGBT

Page 1: ...LGK 200IGBT B PLASMA CUTTING MACHINE MANUAL INSTRUCTION PLEASE READ IT CAREFULLY BEFORE OPERATION ...

Page 2: ...21S so working in rain is not suitable 4 The cutter has external static characteristic with rated duty cycle 100 which means the machine can work continuously at the rated cutting current The machine has the function of thermal protection When the internal temperature exceeds a set temperature thermal protection moves on and the abnormity indicator lamp on the panel turns ON then there is no outpu...

Page 3: ...o welding machines at the same time because this voltage is supposed to be two times of welding voltage while the grounding mode is not clear While working high above the ground or other places having the risk of falling please be sure to wear safety belt to avoid losing balance caused by electric shock 2 Arc Use an arc welding mask to protect your eyes and skin from sparks and the rays of the arc...

Page 4: ...wer 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 Ground the equipment perfectly in accordance with the manufacturer s recommendations 7 Power ...

Page 5: ... its wrapper Users can move it to the prospective area by a fork lift truck and then open the box If having rings the machine can be transited using rings While HUAYUAN Welding Machine Manufacture reminds users there is possible risk to damage the welding machine It is better to push the welding machine moving in use of its rollers unless special situations Be sure that the appurtenances are all r...

Page 6: ...and operation 10 Moving and lifting 10 Open the packing and check 10 The fix and installation of the plasma power source 10 The connection of three phase input cable 11 Panel and its functions 13 Protection function introduction 14 Operation 15 Gouging operation 16 Cutting operation 16 Gouging technology instruction 17 Cutting technology instruction 19 The related main technical parameters 19 Elim...

Page 7: ...ing current Good arc stiffness Clean and smooth incision Excellent technology performance 5 It has the function of ascending current slowly which can effectively extend the work life of wearing parts and cutting torch 6 Quite suitable for CNC automatic cutting and has all signal output which is required by CNC control 7 The cutting current is very stable and it will not be influenced by grid volta...

Page 8: ...the notes for the safety of you and others It is forbidden to unfreeze the pipe line by cutting power or other usages except for cutting The cutter casing should ground reliably Please make sure the grounding bolts of power ground reliably in case of electric shock Cutter is the equipment with high voltage Please wear insulated protective shield when cutting When exchanging torch and wearing parts...

Page 9: ...g operation person should read this manual carefully and know the operation method well Working Environment Requirements Environmental condition Please use the machine in a clear place without any of dust corrosive gas and inflammables and explosives Do not use it in open air and rain Required air relative humidity should 90 at 20 40 50 at 40 Environment temperature range should be at 10 40 The co...

Page 10: ...g rectified by three phase rectifier Then under the function of IGBT inverter the DC current is inverted to AC high frequency current which is inverted to DC current after experiencing voltage reduction in high frequency transformer current rectifying in fast recovery diode This DC current is filtered through reactor and the output cutting current is obtained Control circuit can control output cur...

Page 11: ...g it must be lifted vertically During the long distance transportation it must prevent the cutter from raining and moving back and forth inside box Shock absorption foam should be placed around cutter Open the packing and check Check the machine and packing according to the packing list of there is any damage please try to contact the supplier The fix and installation of the plasma power source Th...

Page 12: ...s pipe with the gas inlet of air filter on the back panel and hoop it tightly The usage of pressure regulating filter is as follows When it is to adjust pressure lift up air pressure regulating valve and rotate it Left rotation aims to reduce outlet gas pressure right rotation aims to increase outlet gas pressure After the gas pressure is adjusted properly press down regulating valve 2 The air fil...

Page 13: ...rew down the plug nut The requirements on connection of control plug when customers change different torch from another factory Adopt WS20J4TQ 4 core pin from WEIPU Electrical Appliance Co Ltd Requirements on air cooling torch connection a Connect the 1 2 pin of 4 core pin to switch control wire of cutting torch b Short connect 3 4 pin of 4 core pin by gummed wire c Striking arc wire connects cold...

Page 14: ...tch should be pressed at the process of cutting and the cutting stops after loosening the switch When it turns on 4 Step press the torch switch and loosen it the cutting starts to work and the stops after pressing the switch again 10 Cutting ground cable socket To connect the cutting ground cable 11 Torch pilot terminal To connect torch striking wire 12 The control socket of cutting torch to conne...

Page 15: ...式空气等离子切割机出厂编号 I1max 71 A I1eff 7 1A 重量 82kg 建议间隔时间不超过 6个月或 30 0个弧小时请定期清洗或更换过滤器 1 观察到筒体内或过滤网上的杂质较多时可通过打开过滤器下部的排污阀自动清洗排出杂质 2 当自动清洗不能排出钳在滤网上的杂质时拆下透明筒体取出滤网组件然后对滤网进行清洗注意不能损坏滤网必要时请更换滤网组件 28 自动水冷割炬气冷割炬自锁非自锁切割气刨 8 19 7 29 Protection function introduction 1 Air pressure protect...

Page 16: ...p motor limit switch etc and the shielding layers should be ground connected well The pile of the ground cable should be connected with ground well Operation 1 Safety notes Notes Operation strictly accordant with the following steps Notice Electric shock may hurt or even kill man Cutting may cause fire or explosion Splashes may ignite flammable materials nearby Those materials should be 10m away f...

Page 17: ...tch then loose air come out from the nozzle start indicator on HF start arc pilot b Move the arc to workpiece keep nozzle axle and workpiece angle move torch with the gouging direction c Press the torch switch gouging stop air continue come out from the nozzle for 7S 5 Warning a For different gouging size it need to adjust the nozzle axle and workpiece angle but should within 30 45 exact method re...

Page 18: ...0 5 2 Gouging surface 3 Method for gouging surface adjustment According to the exact requirements the gouging surface parameter can be adjusted 1 Increase the torch move speed can reduce the gouging width and depth 2 Reduce the torch move speed can increase the gouging width and depth 3 Increase the basic distance can increase the gouging width and reduce the depth 4 Reduce the basic distance can ...

Page 19: ...requirements to get best performance 5 Angleβaffect the gouging surface This angle βvalue be is 0 the best that means the nozzle center and gouging seam center coincide The angle βincrease will cause gouging surface quality not good and slag will stick on the gouging seam 6 The spatter retro reflection The spatter retro reflection with the torch move direction during gouging this is caused by the ...

Page 20: ... power the cutting speed as well as the cutting capacity and quality is improved accordingly Because the arc compression level increases the energy is more concentrated the arc beam temperature the arc spraying speed as well as the arc current impulsion increases But overlarge current may cause the instability of the plasma arc Usually no change is made to air flow for one torch But it can be adju...

Page 21: ...ting seam During the cutting process the heat received by different parts of metal is different the heat on the upper incision is larger than that of the lower incision so the upper part melting speed is faster than that of lower part thereby a distance between them is formed it is called drag L of cutting seam The drag size is related to plasma arc shape and cutting speed When the flame is short ...

Page 22: ...f 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 4 If the control plug is connected mistakenly after user exchanging a different torch from another man...

Page 23: ...is too fast or too slow 1 Adjust gas pressure 2 Water draining regularly 3 The thickness of workpiece should be within the quality cutting range 4 Change electrode and nozzle 5 Adjust torch angle 6 Adjust cutting speed 7 Electrode and nozzle work life is very short 1 Gas pressure is two low 2 Nozzle is too close to work piece The distance is less than 2mm 3 nozzle aperture is small and not matched...

Page 24: ...V AC 8 EV1 Cooling fan 200FZY2 D AC220 9 RP1 Potentiometer RV24YN 20S B502 10 KT1 Temperature replay JUC 6F 75 常闭 11 BP1 Pressure controller YKC 0 3 0 25 12 PL07 Control board PL07 13 LGK7 AP1 Program control board LGK200IGBT B AP1 14 LGK7 AP2 Main control board LGK7 AP2 15 HFAP1 High frequency board HFAP1 16 PL05 Arc striking board PL05 17 Air filter GFR 300 10 Packing list 1 Plasma cutting power...

Page 25: ...Attached diagram main circuit diagram ...

Page 26: ...es 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 www hwayuan com ...

Search results

Summary of Contents for LGK-200IGBT

Reviews:

Related manuals for LGK-200IGBT

Brands by name

Popular brands

HUAYUAN LGK-200IGBT, Manual

Search results

Summary of Contents for LGK-200IGBT

Reviews:

Related manuals for LGK-200IGBT

Brands by name

Popular brands