voestalpine Bohler Welding SABER 40 CHP Manual De Instrucciones página 45

Sticking
Cause
»
» Pieces to be cut too big.
Oxidations
Cause
» Insufficient shielding gas.
Porosity
Cause
» Grease, varnish, rust or dirt on the workpieces to be
cut.
»
» The pool solidifies too quickly.
Hot cracks
Cause
»
» Grease, varnish, rust or dirt on the workpieces to be
cut.
»
Cold cracks
Cause
» Particular geometry of the joint to be cut.
Excessive dross
Cause
» Insufficient air pressure.
»
» Worn nozzle and/or electrode.
The nozzle overheats
Cause
» Insufficient air pressure.
» Worn nozzle and/or electrode.
Solution
»
»
»
Solution
» Adjust the air flow.
» Check that the diffuser and the gas nozzle of the torch are in good
condition.
Solution
»
» Always use quality materials and products.
» Ensure the gas supply system is always in perfect condition.
»
»
»
Solution
»
»
»
» Carry out the correct sequence of operations for the type of joint to
be cut.
Solution
» Pre-heat the workpieces to be cut.
» Carry out post-heating.
» Carry out the correct sequence of operations for the type of joint to
be cut.
Solution
» Adjust the air flow.
» Read the paragraph "Installation ".
»
» Replace the faulty component.
Solution
» Adjust the air flow.
» Read the paragraph "Installation ".
» Replace the faulty component.
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TROUBLESHOOTING
EN