Asher Kim Portfolio №02 · This is a fictional company. No real quotes, orders, or consultations. · Fictional company

Case 5 · Cheonan, Chungnam · Electronics and semiconductor back-end

Board insertion cycle down from 0.41 s to 0.33 s

We replaced aging insertion equipment on an odd-form line with eight HG-S6-50 SCARA robots. Cycle time per part fell from 0.41 s to 0.33 s.

Title
Cell layout
Drawing no.
HG-DWG-305
Scale
1:50
Unit
mm

Results in numbers

Cycle time per part
0.41 to 0.33s
More throughput per hour
24%
Mis-pick rate
0.12 to 0.03%

ExampleAll figures are examples, compared with the same process before automation.

Cell layout

8 robots, laid out like this.

The cell seen from above. Dashed circles show how far each robot’s wrist reaches. Press a + button to open the note for that spot.

Title
Cheonan · PCB pick and place
Drawing no.
HG-DWG-305
Scale
1:50
Unit
mm

Cell layout for an electronic components maker in Cheonan, Chungnam, seen from above.

Parts list Select a row to pick out those items on the layout.

Problem → solution → result

The problem, and the fix.

  1. Problem

    The line inserted odd-form parts such as connectors and coils into power boards. The old equipment took 0.41 s per part and set the pace for the whole line.

    Mis-picks were frequent, and operators at the end of the line filled in missing parts by hand.

  2. Solution

    Four HG-S6-50 robots on each side of the board conveyor face each other, with part trays on the outside. Facing pairs split the work area, and their collision-free paths were planned in Hangyeol Studio.

    After each pick, an upward-looking camera checks the part and corrects the insertion point. Opening a door in the machine guard stops the robots in that zone.

  3. Result

    Cycle time per part dropped from 0.41 s to 0.33 s, raising hourly throughput by 24%. The mis-pick rate fell from 0.12% to 0.03%, and hand-filling at the end of the line has nearly stopped.

Robots and timeline

Robots used, time on site.

Title
HG-S6-50 × 8
Drawing no.
HG-DWG-315
Scale
1:50
Unit
mm
× 88 HG-S6-50 robots, side views at one scale.

SCARA

HG-S6-50

A 500 mm SCARA with a 0.32 s standard cycle for fast small-part work on boards

Payload (rated)
3kg
6.6 lb · max 6 kg
Arm length
500mm
19.7 in
XY repeatability
±0.01mm

Time on site

1 week to install, 3 weeks to commission

Example

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These cases are examples made for this portfolio. Customers are not named, and every figure is an example compared with the same process before automation.

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