Soyer BMH-22i Operating Instructions Manual page 37

BMH-22i
The setting values for the most important stud dimensions are represented in tabular form on the front
panel of the stud welder.
6.1.1.3 MCT (main current time in milliseconds)
• Select function "MCT" by pressing either function key "arrow left" (3) or "arrow right" (4).
• Now choose an appropriate value between 3 and 1000 ms in 1 ms steps by pressing function key
"arrow up" (1) or "arrow down" (2).
The main current times for the most important stud dimensions are represented in tabular form in
chapter 6.1.2 "Welding parameters for welding operation".
6.1.1.4 PCT (preweld current time in milliseconds)
• Select function "PCT" by pressing either function key "arrow left" (3) or "arrow right" (4).
• Now choose an appropriate value between 40 and 1000 ms in 20 ms steps by pressing either
function key "arrow up" (1) or "arrow down" (2).
6.1.1.5 GPT (Gas preflow time in milliseconds)
The gas preflow time is the period of time during which the shielding gas valve is open before starting
the welding process and remains open after the welding process has been completed. Set value "0"
when welding without shielding gas.
• Select function "GPT" by pressing either function key "arrow left" (3) or "arrow right" (4).
• Now choose an appropriate value between 0 and 9900 ms in 100 ms steps by pressing function key
"arrow up" (1) or "arrow down" (2).
37