03217917-01-01E By DEK Technical Reference Manual Vol 1_enPDFA - 第175页
12 MACHINED C CHASE MODULE 12.3 ADJUSTMENTS AND SETTINGS TECHNICAL REFERENCE MANUAL Vol 1 E By DEK 04/2019 175 To set the screen depth adjuster, use the following procedure: ► Release the locking adjustment knob (3) by t…
12 MACHINED C CHASE MODULE
12.3 ADJUSTMENTS AND SETTINGS
174 TECHNICAL REFERENCE MANUAL Vol 1 E By DEK 04/2019
12.3 ADJUSTMENTS AND SETTINGS
12.3.1 Screen Depth Adjuster
The screen depth adjuster has two image scales as follows:
●
Rear of Stencil to Front of Image (1) - 6 to 26 inches (150 to 650mm)
●
Centre Justified Image Size (2) - 0 to 20 inches (0 to 508mm)
1
2
The rear of stencil to front of image scale is located on the top of the screen depth adjuster.
The centre justified Image size scale is located on the side of the screen depth adjuster.
The following figure shows the measurement for both centre and front justified stencils, when the
stencil is 29 inches square.
1
2
B
A
A Centre Justified Image 1 Board Width
B Front Justified 2 Rear Stencil to Front of Image
NOTE
Rear of stencil to front of image is measured from the rear face of the stencil frame to the front
edge of the image.
The centre justified image scale, marked on the side of the screen depth adjuster, can only be used
for stencils that are 29 inches by 29 inches with a centre justified image. For other stencil sizes with
a centre justified image, the Rear of Stencil to Front of Image scale must be used.
When using the centre justified image scale, the screen depth adjuster is set to
the board width value. The scale has both imperial and metric units as follows:
●
Metric - 0mm to 508mm
●
Imperial - 0 inches to 20 inches
12 MACHINED C CHASE MODULE
12.3 ADJUSTMENTS AND SETTINGS
TECHNICAL REFERENCE MANUAL Vol 1 E By DEK 04/2019 175
To set the screen depth adjuster, use the following procedure:
► Release the locking adjustment knob (3) by turning it anti-clockwise.
20”
24”
650
TO
FRONT
OF
IMAGE
REAR
OF
STENCIL
CENTRE
JUSTIFIED
IMAGE
SIZE
2
3
1
► Set the measurement guide (1) to either:
The rear of stencil to front of image value, on the top scale, for either centre or front justified sten-
cils.
or
The board width value, on the centre justified image size scale, for centre justified, 29 inch by 29
inch stencils only.
► Turn the locking adjustment knob (3) clockwise to secure the measurement guide.
12.3.2 Screen at Centre Sensor
The Screen at Centre Sensor position is fixed. When fitting a replacement sensor, the sensitivity
adjustment screw should be turned clock-wise to the ‘Max’ position before attaching the sensor to
the sidewall of the C Chase.
1
2
1 Front Face of Sensor 2 Stencil at Centre Sensor
12 MACHINED C CHASE MODULE
12.4 CALIBRATIONS
176 TECHNICAL REFERENCE MANUAL Vol 1 E By DEK 04/2019
12.4 CALIBRATIONS
12.4.1 Chase to Table Level
Chase to Table Level setting is factory set and no attempt should be made to make adjustment. If
the Chase to Table Level reading is suspected, a coplanarity procedure must be carried out before
commencing printing. Please contact your local customer support office for more detail.