00195166-0402_SM_D4_EN - 第256页
Settings Conveyor Board Clamping Functio ns 256 Serv ice Manual SIPLACE D4 6.5.10.1 Setting Board Clamping 6-38: Setting the actuator Legend 1. Gauge [00 369202-01] 2. Actuator 3. Drilling, for fixing the actuator screws…
Settings
Board Clamping Functions Conveyor
Service Manual SIPLACE D4
255
6.5.10 Board Clamping Functions
Function description:
The PCB moves into the placement area, it is recognized by the light barrier, stops at the laser and
the lifting table moves up.
Check PCB clamping: The conveyor motor in the placement area will start again. If the PCB is
clamped correctly the motor current will rise up and reach a defined threshold value. Once the board
has been correctly clamped into place, the placement process will begin.
If this threshold is not reached, the system assumes that the board is on its way to the intermediate
or output conveyor and has therefore not been correctly clamped into place.
The station computer will issue the message "PCB not correctly clamped PA1 (PA2)". The process
can be repeated by pressing the "start button".
The lifting table will move downwards, the board will be transported back and the stopper position
will be approached again.
NOTE:
The check whether a PCB is clamping correctly, is controlled by adding the conveyor motor
currents over a defined period.To check the function you can place a distance plate under the
conveyor side, so that the lifting table can not move to the upper position.
The check is not performed if the option "Vacuum Tooling" is installed.
Settings
Conveyor Board Clamping Functions
256 Service Manual SIPLACE D4
6.5.10.1 Setting Board Clamping
6-38: Setting the actuator
Legend
1. Gauge [00369202-01]
2. Actuator
3. Drilling, for fixing the actuator screws, when
the gauge is fitted
If the conveyor control issues the error
Clamping
error transport
, check the distance from the lifting
table actuator to the top edge of the conveyor belt.
Use the setting gauge to check and set the
actuator. The distance from the clamping actuator
(lifting table) to the top edge of the belt should be
94.0 mm at all four contact points. (see diagram)
Settings
Lifting Table Functions Conveyor
Service Manual SIPLACE D4
257
6.5.11 Lifting Table Functions
Lifting table up function
Requirements for detecting that the lifting table is up:
30-35 pulses from the incremental disc
Check performed by software (see Section (6.5.10 Board Clamping Functions
J
255 ) )
Dynamic response for board clamping of approx. 500 ms
Lifting table down function
Requirements for detecting that the lifting table is down:
30-35 pulses from the incremental disc
Proximity switch on the lifting table cylinder
Dynamic response for board release of approx. 480 ms
6.5.11.1 Adjusting the Speed of the Lifting Table (from SW 602)
6-40: Time needed to move lifting table up with lifting table plate
6-39: Lifting table unit
Legend
1. Actuator
2. Lock nut damper
3. Fastening screws for mounting block
4. Damping unit
5. 3/5 way solenoid valve mounted on lifting table
drive cylinder
6. Fork-type light barriers / incremental disk