00195779-0102_UM_D4_SR605_EN - 第55页
User manual SIPLACE D4 2 Operational safety From software version SR.605.xx 07/2008 EN Edition 2.5 Safety instructions for operating the machine 55 2.5.6 Safety instructions for the hand guard on the input/output belt DA…
2 Operational safety User manual SIPLACE D4
2.5 Safety instructions for operating the machine From software version SR.605.xx 07/2008 EN Edition
54
2.5.5 Safety instructions for processing capacitors based on powdered metal
There is a risk associated with processing capacitors based on powdered metal (e.g. tantalum).
The risk is that
– an exothermic reaction, i.e. a sudden build-up of heat, may occur, if these components are
damaged. If the ambient conditions are unfavorable, and depending on the capacitance, this
buildup of heat can cause damage.
– this effect can occur when these components are cut.
Please contact your suppliers to clarify whether the components that you handle are affected.
In extremely rare cases, this risk can occur in the tape cutter of SIPLACE machines, with the
remote possibility of causing a smoldering fire in the waste tape.
The ambient conditions are unfavorable if:
(1) The components remain on the tape while the set tape cycle is checked (since the operator
can cycle the feeder onward without removing components during this check).
(2) The components remain on the tape, e.g. due to a tear in the cover foil.
(3) The components remain on the tape, and the components or tape do not conform to the spec-
ification, thus increasing the pickup error rate.
2
Please follow the instructions given below to minimize the risk when placing capacitors based on
powdered metal.
(1) If the component tape is cycled onward manually, the operator must remove any components
remaining in the tape pocket.
(2) If the cover foil tears, the operator must remove any components remaining on the tape.
To ensure that tantalum capacitors do not cause the tape material to burn when it is cut as a result
of pick-up errors, the user interface has been extended to include the "Remove component from
tape in the event of a pick-up error" option. This option must be enabled in SIPLACE Pro. On the
placement machine, the component that was not picked up is paced forward again until it is ready
for removal from the component tape. The track is deactivated and the operator is sent an error
message to remind him to pick up the tantalum component from the tape.
PLEASE NOTE: 2
The manual extraction by the operator of tantalum capacitors that have not been picked up is
described in Section 3.9.6 on page 121.
User manual SIPLACE D4 2 Operational safety
From software version SR.605.xx 07/2008 EN Edition 2.5 Safety instructions for operating the machine
55
2.5.6 Safety instructions for the hand guard on the input/output belt
DANGER OF CRUSHING! 2
The guard must always be set to the height of the circuit board to be processed. The gap between
the guard and the safety bar should be kept as small as possible. The guard is mounted on the
input and output belts of the PCB conveyor.
→ Never reach through the gap into the inside of the machine. There is a danger of crushing
from the lifting table.
→ Adjust the height of the guard at the slots so that the circuit board to be processed can be
carried through.
2
Fig. 2.5 - 3 Guard at the input and output belts of the machine
(1) Safety bar (fixed)
(2) Guard (adjustable)
(3) Slots for adjusting the height
(4) Cover flap
2 Operational safety User manual SIPLACE D4
2.5 Safety instructions for operating the machine From software version SR.605.xx 07/2008 EN Edition
56
2.5.7 Safety instructions for removing nozzles from Collect&Place heads
CAUTION
RISK OF INJURY TO FINGERS BY SHARP NOZZLES 2
Do not remove the nozzles in the pick-up/placement position (item 2).
The procedure for removing nozzles manually from the sleeve is as follows:
→ Pace the sleeve from which the nozzle is to be removed to the removal point (item 1).
→ Remove the nozzle from the sleeve here.
2
Fig. 2.5 - 4 Position of the sleeve during a manual nozzle change
(1) Removal position for sleeves and nozzles
(2) Pick-up and placement position