Advertisement
Quick Links
OPERATION
MANUAL
Inverter CO
/MAG Gas Shielded
2
Welding Machine
NBC-250D/350M
Attention:
For your safety, please only allow technicians to operate, maintain
and repair this machine.
You are advised to read this operation manual thoroughly before
operating the machine. Please keep this manual for future reference
and safety information.
Advertisement
Related Manuals for Hanshen NBC-250D
Summary of Contents for Hanshen NBC-250D
- Page 1 OPERATION MANUAL Inverter CO /MAG Gas Shielded Welding Machine NBC-250D/350M Attention: For your safety, please only allow technicians to operate, maintain and repair this machine. You are advised to read this operation manual thoroughly before operating the machine. Please keep this manual for future reference...
-
Page 2: Table Of Contents
CONTENT 1. Characteristics……………………………………………………..2 2. Safety information…………………………………………………3 3. Technical parameters………………………………………………4 4. Installation and connection………………………………………..5 5. Function introduction……………………………………………...8 6. Operation…………………………………………………………10 7. Daily maintenance and troubleshooting………………………….14 8. Circuit diagram…………………………………………………...17... -
Page 3: Characteristics
1. CHARACTERISTICS NBC-250D/350M inverter CO /MAG welding machine is a high quality and semi-automated arc welding machine. This product adopts DSP digital control technology,stable performance,with function of wave control, can realize CO2 welding, CO2 spot welding and MMA welding.It is mainly applied in welding low carbon steel, low metal alloys and other dark metals. -
Page 4: Safety Information
2. SAFETY INFORMATION 2.1 To avoid fatal accidents, please observe the following: a. Ensure that you operate the equipment with the power source of correct voltage as provided by your country; b. Ensure that you comply with the laws of your country on position for welder’s installation, high-pressure gas, storage of materials and treatment of exhaust;... -
Page 5: Technical Parameters
3. TECHNICAL SPECIFICATION Table 1 Technical specifications Model NBC-250D NBC-350M Specifications Rated input voltage (V) 3-380V,50Hz Rated input current (A) Output current adjustable 60-250 60-350 range（A） Output voltage adjustable 17-27 17-32 range (V) Open circuit voltage（V） 60（Room temperature 40℃） Rated duty cycle Welding wire diameter 0.6、0.8mm... -
Page 6: Installation And Connection
To ensure welding quality, please minimize the effect the wind has on arc. In enclosed space, please make sure there is enough oxygen from ventilation. 4.4 Power and cable Table 2 Power and cable Power 3Phase AC（380V） 50Hz Model NBC-250D NBC-350M Suitable power 11KVA above 16KVA above Capacity Engine power... - Page 7 4.5 Connection a．All connections must be made with compilation to table 2. b． All cables should have good conductivity and all naked wires must be wrapped with insulation tape. c. After finishing the cable connections, please make sure the power supply cover is securely closed and the screws are fastened.
- Page 8 Figure 1 Connection Illustration...
-
Page 9: Function Introduction
5. FUNCTIONS INTRODUCTION 5.1 Front control panel Figure 2. NBC-350M front and back control panel Table 3 Power source function introduction Serial Names Functions number Output ammeter, displays the relative magnitude of wire Current display feeding speed when on standby; displays the actual welding current magnitude during actual welding process. - Page 10 when the switch is in ‘Gas test’, the solenoid valve is on, CO Gas test gas flow can be checked if it is of suitable amount Wire feeder Connect the wire feeder control cable. Welding machine output negative Welding machine output anode Inductance when in MAG or spot welding condition, will change welding regulation...
-
Page 11: Operation
Table 4 Wire feeder panel function introduction Serial Names Functions number Current adjustment Used to adjust welding current, when preset the current, it knob will display the relative graduated value from 2-100. Manual wire Used to feed the wire into torch before welding. feeding button Voltage adjustment Used to adjust voltage. - Page 12 6.2.2 Long weld seam and large current welding a. Switch the end arc ON/OFF to ‘ON’ position. b. Adjust the ‘welding current’, ‘welding voltage’ knobs according to welding preference. c. Press the torch switch, arc will be ignited, then the welder will enter normal working state, the torch switch can be now release, the welder will continue to weld;...
- Page 13 Table 6 welding technology specification 2 Distanc Plate betwee Targe Wire Weldi Weldin Weldin thick Welding diameter g speed flow ness Current nozzle positi length Voltage (cm/mi (L/min (mm) (mm) base matal (mm) 2.53 0.8，0.9 7080 1718 5060 1015 3...
- Page 14 Table 7 welding technology specification 3 Distan Wire Weldi betwe Plate diamete Welding Welding Target thickne current voltage speed nozzle position (cm/m A/B/C (mm) base (mm) metal (mm) Flat welding lab 0.8 ， 6070 1617 4045 1015 joints(thin plate) 0.8 ，...
-
Page 15: Daily Maintenance And Troubleshooting
7. DAILY MAINTENANCE AND TROUBLE SHOOTING WARNING: Only maintain or check the machine when the power is cut off. 7.1 Attention： Make sure the welding cables are securely connected otherwise the connectors will be burnt, which causes instability during welding. b. - Page 16 7.2 Trouble shooting Table 9 Trouble shooting Serial Troubles Possible causes Solutions number 1. Damage to air switch on Indicator light is not on after 1. Change air switch back panel switching on power. 2. Change fuse 2. Fuse broke 1.
- Page 17 1. Control motherboard of the 1. Change the control Press torch switch, wire welder is broken motherboard. feeding is normal but no gas 2. Electromagnetic valve is 2）Change the flow. broken electromagnetic valve. Press the torch switch, wire- 1. Torch switch is broken. 1.
-
Page 18: Circuit Diagram
8. CIRCUIT DIAGRAM C T 8 1 - 1 0 3 P / 3 K V C T 8 1 - 1 0 3 P / 3 K V 2 5 W / 2 5 0 Ω S R 1 A 0 S R 1 A 0 2 W / 2 2 Ω...