00196044-05 - sg x und x4i fse_en.pdf - 第440页

Modular Conveyor Function Description "Combined PCB" Option S tudent Guide (FSE) SI PL ACE X Series and X4I Modular Conveyor Edition 01/2009 EN 440 1 1.1.9 "Combined PCB" Option Combined PCB enables y…

Modular Conveyor

Lifting table Function Description

Student Guide (FSE) SIPLACE X Series and X4I

Edition 01/2009 EN Modular Conveyor

439

11.1.6 Lifting table

Depending on the version (single/dual conveyor), one or two independent lifting tables are used in each

placement area. The lifting table drive works indirectly via a pneumatic cylinder controlled by a 5/3-way

valve. PCBs of different thicknesses will automatically be compensated for. The PCB is guided in the Z

direction at four points on the lifting table plate. The lifting path is determined via a distance measuring

system.

The top position of the lifting table is identified by the position measuring system and a fork light barrier

for lane A and B. The check for the upper lifting table position and with that the correct clamping of the

PCB board is performed via current consumption, by approaching the conveyor motors. The lowest lifting

table position is detected by the incremental measuring system and an end position BERO on the

pneumatic cylinder. The default clearance under the PCB is 40 mm.

If you use a dual conveyor as a single conveyor you must couple both lifting tables with one another.

11.1.7 "Long Board" Option

The long boards have to be clamped twice per placement area so that each head type (C&P and Twin

head) can place components over the whole board.

The hardware is mounted on the fixed conveyor side.

 Mechanical stopper

 Programmable ultrasound sensor

This is mounted at one position on the fixed conveyor side of the intermediate and output conveyors.

The ultra sonic sensor is programmed for PCB recognition by placing a PCB above the sensor and

pressing the programming switch for 3 sec.

With this option the standard conveyor light barriers and lasers remain active!

11.1.8 "Alignment Pin" Option

This option is for unfavorable length/width relationship, for cut outs at the leading edge at a PCB board

or for wide and short boards. Mechanical stopper pins are mounted on the flexible conveyor side and on

the lifting table. If the jumper set for this option on the transport interface, The clamping height is learnt

with the first board, so that the pins reach the height of the board. The laser recognize the PCB board

and the conveyor stops after a defined time and the clamping is completed. The clearance under the

PCB board is reduced to 25mm.

NOTE:

To avoid board vibration during placement, use the black PCB supports (94 mm).

NOTE: X4I

This option is not available for the X4I.

NOTE: X4I

This option is not available for the X4I.

Modular Conveyor

Function Description "Combined PCB" Option

Student Guide (FSE) SIPLACE X Series and X4I

Modular Conveyor Edition 01/2009 EN

440

11.1.9 "Combined PCB" Option

Combined PCB enables you to transport two different boards (top, bottom) into the placement area at

the same time and to place them at the same time. This reduces the transportation times. To make this

option possible, you require an upstream shuttle which collects the boards and a downstream shuttle

which then distributes the boards onto the conveyor lanes.

11.1.10 I-Placement Option

In this option for dual conveyors, the two outer conveyor sides are defined as fixed sides. The two inner

conveyor sides remain flexible and can be adjusted to suit the board widths. This creates shorter travel

ranges between pickup and placement in the SIPLACE X4I machine. In addition, both gantries can pick

up and place independently of one another in the same placement area. Each gantry processes one

board on one lane, independently of the other gantry in this placement area.

11.1.11 Firmware Control Tasks (Embedded Software)

 Transporting, clamping, temporarily storing the PCBs, positioning the PCB using a laser light barrier,

mechanical stopper for long PCBs as an option

 Single functions for controlling the conveyor

 Adjusting the conveyor width

 Addressing the inputs/outputs

 Downloading the firmware via SITEST

 Setting the conveyor parameters (conveyor speed)

 Synchronous transport mode

11.1.12 Conveyor Control TSP 301

The conveyor control TSP 301 supports the following options:

 Left conveyor side fixed (default: right conveyor side fixed)

 "Long PCB" option

 PCB Alignment pin

 Ceramic substrate centering

 Vacuum tooling

 PCB barcode

 SMEMA interface, SIEMENS (option)

 Combined PCB

 I-Placement

Modular Conveyor

Structure Function Description

Student Guide (FSE) SIPLACE X Series and X4I

Edition 01/2009 EN Modular Conveyor

441

11.1.13 Structure

11.1.13.1 Structure of the single conveyor

11-1: PCB transport - single conveyor

Legend

In SIPLACE X and D3/D4 machines, the single conveyor system consists of an input conveyor, two

placement areas, the intermediate conveyor and the output conveyor. The conveyor has an automatic

width adjustment unit and a lifting table for clamping the PCB.

1 Input belt 5 Output belt

2 Placement area 1 6 Lifting table placement area 1

3 Intermediate belt 7 Lifting table placement area 2

4 Placement area 2 8 Assembly tub