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7 Station extensions User Manual SIPLACE HF Series 7.12 SIPLACE pr oductivity lift Software Version S R.505.xx 05/2004 US E dition 334 7.12 SIPLACE productivity lif t 7.12.1 Concept of p arallel plac ement Placeme nt lin…

User Manual SIPLACE HF Series 7 Station extensions

Software Version SR.505.xx 05/2004 US Edition 7.11 Coplanarity laser module

333

Fig. 7.11 - 5 Coplanarity module

(1) Laser module

(2) Connecting cable

(3) Red LED:OUT OF RANGE

(4) Red LED:POOR TARGET

(5) Green LED:LASER ON

(6) ’Laser class 3B’ sticker, see Fig. 7.11 - 2

7 Station extensions User Manual SIPLACE HF Series

7.12 SIPLACE productivity lift Software Version SR.505.xx 05/2004 US Edition

334

7.12 SIPLACE productivity lift

7.12.1 Concept of parallel placement

Placement lines are generally arranged in series and are linked to one another serially. The

placement program is processed sequentially while the PCBs are transported from one machine

to the next. This means that the placement of a PCB is distributed between various machines.

Fig. 7.12 - 1 A comparison of serial and parallel lines

When machines are connected in parallel, the components to be placed by individual machines

are combined. Several machines work through the same placement program. They place all the

components on one machine that would be distributed between several machines with serial pro-

cessing. When one machine runs out of capacity, the PCBs are moved to and placed at the next

machine with the same placement program. This combination of machines with the same com-

ponents to be placed is known as a group or “cluster”.

Serial line

Parallel line

Underfloor conveyor

Group (cluster)

Horizontal/

vertical lift

User Manual SIPLACE HF Series 7 Station extensions

Software Version SR.505.xx 05/2004 US Edition 7.12 SIPLACE productivity lift

335

7.12.2 Implementing parallel placement

Lines with machines arranged in parallel take up a lot more space, so the parallel placement con-

cept was implemented with an underfloor conveyor and horizontal / vertical lift (HV shuttle). The

machines are still arranged in series, but the lift units and underfloor conveyors allow the line to

be operated in parallel. In this way, SIPLACE lines remain almost as compact as before.

Underfloor conveyor

Two conveyor belts carry empty or placed PCBs underneath the machines (see Fig. 7.12 - 1).

Horizontal/vertical lift (horizontal/vertical shuttle)

There is an HV shuttle at the start of a line, between the machines and at the end of the line. It

carries the PCBs between the underfloor and processing levels, and between the two tracks on

the underfloor conveyors.

Fig. 7.12 - 2 Horizontal / vertical shuttle (HV shuttle), conveyor track change and lift function

Horizontal conveyor

HV shuttle

Lift function

Vertical conveyor

Unplaced

Placed

Standard

conveyor level

Underfloor

conveyor level

HV shuttle

Conveyor track change