Autowel DRAGON-350A, User Manual

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4- 3. Cautions in handling
4- 3. Cautions in handling 4- 3. Cautions in handling
4- 3. Cautions in handling
1) Torch angle by welding direction
Incline the torch 10~ 15° toward the welding
direction, and afterward, you can weld by
"forward method", or "Backward method"
In general, "Forward method" is used considering
with the friction of arc and protection of welded
surface by gas.
2) Welding torch
If the welding torch is bent excessively, smooth wire feeding is
not available, and welding condition is damaged due to
reduced current. Please do not bend cable forcefully.
3) Standard use rate
Use rate 350A 500A 650A
60% 350A
70% A 500A
80% A A 650A
90% A A A
100% 200A 350 600A
5. Safety instruction 5. Safety instruction 5. Safety instruction 5. Safety instruction
1) Power source device : Install one on/ off switch for one welder.
2) Terminal connection : Fasten the connection part for smooth
current carrying in welding. Loose fastening may cause cable
damage or wasting power.
3) Ground : Apply class 3 grounding
4) Surrounding environment : Please avoid the location where
moisture and dust is too much, and surrounding temperature is
too high. Select place where air is ventilated well. Especially,
ventilation relates to the use rate.