Taian Puhui T862++ User Manual - page 11
IRDA BGA Rework Station T862++ User Manual
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10
(1)When the area of the chips is below 15mm*15mm, please choose the
IR-lamp temperature about 160-240℃, and choose the lens which
D=28mm to avoid destroying other places, usually it will take you
about 20-40seconds.
(2)When the area of the chips is between 15mm*15mm and 30mm*30mm,
please choose the IR-lamp temperature about 240-320℃, and choose the
lens which D=38mm to avoid destroying other places, usually it will
take you about 30-60seconds.
(3)When the area of the chips is above 30mm*30mm, please choose the
IR-lamp temperature 350℃Attention: you should turn on the pre-heat
dish first, and set-up the temperature about 150-200℃,wait 3-5minutes
to allow the temperature steady on the set-up temperature),and choose
the lens which D=48mmto avoid destroying other places, and keep the
lamp body direct light. You should control the time carefully to avoid
burning the chips.
5)Adjust the focus. The minimum focal diameter of infrared lamp body is
15mm; the maximum is above 30mm, adjust them according to different
chips. Usually, the ideal height between lamp and the chip is 20-30mm.
Adjust the focusing knob by the size of the chip. Ideally, the bright spot
should cover the whole chip.
6)Turn on the two switches on the front panel for the pre heating plate and
the infrared lamp.