APC - 224650 Issue 1.pdf - 第26页
ALL PURPOSE CLAMPING (APC) APC CONTROL 1.14 All Purpose Clamping (APC) Manual Chapter Issue 1 Nov 16 The solenoid valves (1 and 2) control two p airs of double acting cylinders in the mid plate of the APC modules. With V…
ALL PURPOSE CLAMPING (APC)
APC CONTROL
Chapter Issue 1 Nov 16 All Purpose Clamping (APC) Manual 1.13
APC CONTROL
Electrical, pneumatic and electro-pneumatic control assemblies are housed at
the rear of the machine on DIN rails. The complete assembly consists of a
manifold, three pressure regulators, a software controlled air regulator, and
electrical input/output node 5. The individual components are itemised in the
drawing above.
Pneumatic
Manifold
There are four solenoid valves in the manifold they are designated as follows:
• Valve 1 - Mid Plate Up
• Valve 2 - Mid Plate Down
• Valve 3 - Over Top Plate Extend / Over Top Plate Retract
• Valve 6 - Z Clamps On / Off
Item Description Item Description
1 Mid Plate Up Valve 6 Top Clamp Extend Pressure Regulator
2 Mid Plate Down Valve 7 Top Clamp Retract Pressure Regulator
3 Overtop Plate Extend Valve /
Overtop Plate Retract Valve
8 Air Isolating Switch
4 Z Clamps Valve 9 Clamp Pressure - Software Controlled Air
Regulator
5 Mid Plate Balance Pressure Regulator 10 Node Board 5
8
9
10
7
6
5
4
3
2
1
NOTE
The sections of pneumatic manifold shown as white
are currently part of the APC manifold, but perform
no function.
ALL PURPOSE CLAMPING (APC)
APC CONTROL
1.14 All Purpose Clamping (APC) Manual Chapter Issue 1 Nov 16
The solenoid valves (1 and 2) control two pairs of double acting cylinders in the
mid plate of the APC modules. With Valve 2 on, a software controlled air
regulator is used to proportionally control mid plate down. With Valve 1 on, it
pushes the mid plate up, when off, the balance regulator supplies low pressure
to support the weight of the APC unit. A pair of speed controllers are used to
control the speed of the mid plate up; this prevents board bounce during
unclamping. Air lines to and from the mid plate cylinders are coloured blue.
Figure 1-4 Mid Plate Pneumatics - Valves 1 and 2
Valve 1
Mid Plate Up
Valve 2
Mid Plate Down
Balance
Valve
Clamp
Pressure
In
Mid Plate Cylinders
Speed
Controller
Speed
Controller
To Rear
APC module
To Rear
APC module
Front
APC module
ALL PURPOSE CLAMPING (APC)
APC CONTROL
Chapter Issue 1 Nov 16 All Purpose Clamping (APC) Manual 1.15
The over top plate valve (3) controls a pair of double acting slide tables which
cause the top plate to extend or retract. A pressure regulator controls each
action; the regulators are factory set and must not be adjusted. A speed
controller is employed to control the speed of the over top clamp retract
movement; this prevents board movement at the end of the clamp sequence. If
a clamping problem persists escalate it to Customer Support Group. Air lines
to and from the over top clamp cylinders are coloured red.
Figure 1-5 Over The Top Pneumatics - Valve 3
The Z clamp valve (6) controls a pair of pneumatic clamps. When on, the clamps
are activated and are used to hold and maintain the mid plate position during
printing, when off the clamps are open.
Figure 1-6 Z Clamp Pneumatics - Valve 6
Pressure
Regulator
Over Top Cylinders
Speed
Controller
To Rear
APC module
To Rear
APC module
Front
APC module
Valve 3
Over Top Clamp
Extend / Retract
Pressure
Regulator
Z Clamps
To Rear
APC module
Front APC module
Valve 6
Z Clamps
To Rear
APC module