Related Manuals for Hwayuan Electric NB-250/315LT
Summary of Contents for Hwayuan Electric NB-250/315LT
- Page 1 NB-250/315LT MIG WELDING MACHINE MANUAL INSTRUCTION (PLEASE READ CAREFULLY BEFORE OPERATION...
- Page 2 Safety Depends on You Huayuan arc welding and cutting equipments are designed and built with safety in mind. However, your overall safety can be increased by proper installation. DO NOT INSTALL, OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT.
- Page 3 Ca u t i o n s Arc and arc rays may harm health. Arc welding can be hazardous. All performing welding workers ought to have health qualification that provided by authority organization. Protect yourself and others from possible serious injury or death. Keep children away. Pacemaker wearers should consult with their doctor before operating.
- Page 4 and openings to adjacent areas. Avoid welding near hydraulic lines. Have a fire extinguisher readily available. Where compressed gases are to be used in the field, special precautions should be used to prevent explosion. When not welding, make certain that no electriferous part is touching the work piece or the work stage. Accidental contact can ...
- Page 5 a. Bundle the cable connected to the work piece and the welding cable together. b. Do not enwind partially or entirely your body with the cable. c. Do not place yourself between the welding cable and the ground (work piece) cable, if the welding cable is by your left side, then the ground cable should be by your left side too.
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Page 6: Table Of Contents
CONTENT 1 Summary ............................１ 1.1 Model introduction ..........................１ 1.2 Features .............................. １ 1.3 Usage ..............................１ 1.4 Symbols Introduction ........................... １ 1.5 Safety attentions ..........................１ 2 Working condition and environment ....................２ 2.1 Operation place ........................... ２ 2.2 Power supply ............................２ 3 Technical Parameters ........................ -
Page 7: Model Introduction
1 Summary Model introduction — □□□ Product series Rated welding current(A) Semi-automatic welding Gas shield welding machine 1.2 Features Striking arc under high voltage and slow wire feed. Smooth and stable arc striking with high success rate; Adopting unique feedback control circuit of arc voltage and current, stable welding process, little spatter, strong adaptability of ... -
Page 8: Working Condition And Environment
The cylinder of shielding gas should be fixed well to ensure there is no shock; Welding machines and procedure should be away from combustible and explosive material,do not weld closed container. It is dangerous to weld the hand-hole of container,please make sure there is no combustible and toxic gas on the weld before operation;... -
Page 9: Products System Introduction
The static external characteristic of this machine is dropping characteristic, it`s rated duty cycle is 35%, which means in a 10 minutes work cycle, the welding machine can work 3.5 minutes(stop 6.5 minutes) under the rated current. If it is forced to use over the rated duty cycle, the inner temperature will exceed the set temperature. -
Page 10: Panel Function Introduction
5 Panel function introduction Front Panel function drawing Function of figures 2 as below: Digital display meter of voltage：when machine is not working, it display preset voltage, when machine is working, it display the actual welding voltage; Digital display meter of current：to display the actual welding current； Adjusting knob of welding voltage: to adjust the welding voltage;... -
Page 11: Rear Panel Function Drawing
Rear Panel Function Drawing Input cable of three phase power: connect to distribution box, connect the green-yellow wire to ground wire reliably; Heater power source interface:Heater connector,output voltage 36VAC; Wire feeding fuse holder:Used for short connect and over current protection of Wire feeder power supply circuit,inside Fuse Control fuse holder:used for short connect protection of welding machine control circuit,inside fuse 1.5A;... - Page 12 M8 screw （18pcs） （FIG 5 Gas bottle bracket installation drawing） M6 screw （6pcs） （FIG 6 Gas bottle U-Style bracket installation drawing） Note: if buy gas bottle bracket together machine,please remove the two rear wheels and install them on the support plate of bracket,Then install U-stype bracket and done,refer to Fig 5 and 6.
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Page 13: Installation
6 Installation Power supply: Specification NB-250/270LT NB-315LT Capacity of power supply switch(A) Capacity of fuse (A) Sectional area of power supply line (mm ≥2.5 ≥2.5 Sectional area of ground wire(mm ≥4 ≥4 Installation (please refer to figure 8) Make sure the distribution switch is cut down, and then connect the welding machine. Do not operate with wet hands. Do not put anything on the power cable. -
Page 14: Matters Need Attention
put wire reel on the shaft. Adjust the catch of electrode wire reel, the stretch out direction of catch should be vertical with axis direction of wire reel shaft, fast it to prevent rolling out. Make sure the wire slot diameter of wire feeding wheel is same as the electrode wire diameter; ... -
Page 15: Maintenance And Repairing
8 Maintenance and repairing Matters need attention A. When maintain or repair, the power must be cut off. B. Since this machine is filtered by large capacity and high voltage electrolytic capacitor, it can not be opened and repaired in 5 minutes after cutting off power. -
Page 16: Main Parts List
1.CO gas is not pure; 1.Use high purity CO gas; 2.The gas flow is not enough; 2.Adjust the gas flow; 3.There is grease dirt or rust on 3.Eliminate the grease dirt or rust on welding seam; 7.There are too many welding seam;... - Page 17 Item Model Note PN10 Saturation inductance Capacitor HYC4010 Filter reactor Hall sensor TKC500BR Capacitor 100μF/500VAC Control transformer TN03 Air breaker DZ47s-C25 IGBT tube DG40F12T2 12038HA2BL Capacitor HYC2005 PT07 Gas valve YG2T-2/DC24V Wire feeder SSJ-4A Main transformer Linear inductance NB-315LT １１...
- Page 18 Item Model Note PN10 Saturation inductance HYC3004 Capacitor Filter reactor TKC500BR Hall sensor 100μF/500VAC Capacitor TN03 Control transformer DZ47s-C25 Air breaker DG40F12T2 IGBT tube 12038HA2BL HYC2005 Capacitor PT07 YG2T-2/DC24V Gas valve SSJ-4A Wire feeder Main transformer Linear inductance １２...
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Page 19: Packing List
9 Packing list Welding machine Ground wire Welding torch Heater Attached documents：Operation manual、Certificate、Warranty ★ 6.Gas bottle bracket 1set（Optional） １３... -
Page 20: Drawing
10 Drawing ＋ １４... - Page 21 １５...
- Page 22 １６...
- Page 23 The final explanation right is reserved to Huayuan Company! If there is any change in the manual, please 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 １７...
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