Various Settings; High-Speed Nozzle Stocker - Yamaha SIGMA-G5SII Service Information

3.1.5. Various Settings

3.1.5.1. High-Speed Nozzle Stocker

( 1) Various Sensor Adjustments
a. Nozzle Stocker Unit Lower Limit Sensor Check: Confirm that the light is
intercepted at the lower limit and the light is received in moving up operation.
b. Nozzle Stocker Clamp Check: Insert the 0.3mm thickness gauge into the arrow
section (as shown in C12-(3)), and check the light receiving condition with the
nozzle stoker risen.
(1) Stocker Set
c. Shutter Open/Close Sensor Check: Attach the stocker change unit and adjust it so
that the shutter is detected (light is turned OFF) at the position where the shutter is
moved 2.0 +/- 1mm in the opening direction from the shutter completely closed
position.
(2) Nozzle Stocker Open Stroke Adjustment
Fix the cylinder stroke adjusting nut at the
position where the shutter is returned 0.15 to
0.25mm from the full open position. (Fig. C13:
yellow arrow section right figure).
*Apply Screw Lock 1401B.
(3) Shutter Open/Close Speed Adjustment
Open the needle of the Speed Controller
(SPICON) 225 degrees (standard) from the
completely closed position.
Make sure that the shutter close time period is within the
following range in the window of the machine.
Note:
a. The shutter close time period varies depending on the No. of mounted cylinders.
b. Check the stocker change section with cylinders mounted one by one.
Needle Opening Angle
225 degrees (Standard)
Stocker Change Section
Only one stocker mounted
Service Information
(2) No Stocker
Fig.C12
No. of Cylinders mounted in the
Stocker Cylinder Section
1 Unit 2 Unit
MIN 160ms 200ms
MAX 230ms 350ms
SI1705004E-00=SIGMA-G5SII Service Manual
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For Service Engineer
(3) Stocker 0.3mm Risen
Fig.C13
3Unit 4 Unit
200ms 250ms
390ms 400ms