Westweld NB-350MK, Manual Instruction

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1
2 Summary
2.1 Model instruction
N B — □□□ MK
Production code
Rated welding current (A)
Semi-automatic welding
Gas shielded welder
2.2 Main features
● Panel simple, easier parameters set and operation.
● Arc characteristic function is adjustable, suitable different welding condition.
● Crater current, crater voltage can be separately set, suitable different type welding.
● With gas checking function, easy to set the gas flow.
● With protection function of over-heating and lack-voltage, get more stable operation.
2.3 Usage
Suitable for carbon steel industries which use CO2/MAG welding process, specially used in building, bridge steel
structure, project machinery, etc.
2.4 Working condition and environment
If the following conditions are not met, the welding performance may not meet the specifications of the technical
specifications, and even damage the welder!
● Ambient temperature range
When welding: -10
℃ ～
40
℃ ；
Transport and store : -20
～＋
55
℃ ；
● Relative humidity
：
40
℃
≤50%
；
20
℃
≤90%
● Ingress protection IP21S, not suitable use or store under raining or snowing.
● The dust, corrosive and acid air or material should be within normal range, except the air come from the welding
process.
● The distance between the power source and wall or other close things should be more than 30cm. The distance
between two machines should be more than 30cm.
● It should be stored in a dry and windy place to prevent the sunshine and rain.
● The elevation should be less than 1000m
；
2.5 Symbol instruction
Symbol list as follows:
Please read manual Ground connect