12
Picture 6
The temperature rate is usual at 3 degree per second The upper.bottom and infrared
temperature zones can set up to 6 increase temperature and 6 constant temperature You
can modify the parameters in the current curve system, but they are not going to be
saved in the procedure If saving is needed, please refer to the following procedure 17
！
If the profile is not suitable for the required welding temperature, please click
, return to the main interface
this is the distance for the upper heater descend. We usally
set it from 190 to 198,but if you can not make sure the distance for the first time, you
can go to
,use the
to control the upper heater go
down,until the vacuum sucker touch the bga, you will see the exactly distance from
，
write down this parameter, when you set the program,
you can set the
