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THE IMPORTANCE OF FILTRATION
1-5-11.
Adequate contamination control in any hydraulic system is the key to a
highly reliable system. Proper filter placement and selection insures long
term trouble free operation of every hydraulic system component. There
are three essentials:
1)
a high pressure filter mounted directly at the tooling ac-
tuator
2)
a re-circulating circuit providing continuous filtration and
heat removal
3)
proper control of the tank breathing and filling operations
to prevent the ingression of contaminant
High pressure filter (β
protection against particles created by component failures.
The main contamination protection is provided by oil taken from one corner of the tank, flowing through the
low pressure re-circulating filter back to the opposite corner of the tank. The re-circulation filter is a low
pressure filter (β
»75, 3µ absolute) with an inexpensive replacement filter element. The re-circulation also
3
incorporates a heat exchanger to maintain low oil temperature and insure adequate oil life.
Protection against ingression of contaminant during oil make up and normal breathing is provided with
breather rated at 10µ.
FILTER INSTALLATION
1-5-12.
High pressure filter or equivalent, β
(50mm to 300mm) to the actuator or servovalve manifold. The location of the filter must allow an easy
access to make a replacement of filter element easy and safety.
Filter Installation Information
The hydraulic connection between the filter and actuator must be tubing. Under no circumstances can
hydraulic hose be used as the hose is a contaminant generator and this contaminant will go directly into the
servovalve, eventually causing contamination problems.
The hydraulic connections used will be a straight thread "O" ring sealed boss into the servoactuator and
high pressure filter with either flared or compression fittings used to connect the tubing to the straight
thread fittings.
The use of tapered thread fittings with pipe dope will cause both contamination and leakage problems.
Teflon tape may be used, but only if applied in such a manner as to keep the edge of the Teflon tape at least
two threads away from the end of the fitting.
© MOOG 2010
This document is subject to MOOG INTELLECTUAL AND PROPRIETARY INFORMATION LEGEND . The details are on page II.
»75, 15µ absolute) mounted directly with tubing at the tooling actuator provides
15
>75 rated, high pressure filter must be mounted as close as possible
15
Figure 1-14 High Pressure Filter
15
MRJ04410
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Do you have a question about the DigiPack Ⅱ and is the answer not in the manual?
Questions and answers
How..to set up the..Digi pack 2 on machine
To set up the Moog DigiPack II on a machine, follow these key steps:
1. Installer Requirements: The installer must be familiar with electrical wiring, hydraulic plumbing, basic metal work, and have some understanding of the blow molding process. Use of test instruments like a digital voltmeter is also required.
2. Mechanical Installation:
- Install and adjust tooling and die gap actuators.
- Mount the servovalve and manifold.
- Install the hydraulic cylinder and ensure it meets customer specifications.
- Measure and set accumulator position.
- Ensure proper filtration and install filters.
- Connect the hydraulic power supply and follow startup instructions.
- Implement contamination control.
3. Electrical Installation: Follow the manual's guidance for electrical connections.
4. Software Update (if needed):
- Power off DigiPack II and remove the SD card.
- Save the “DIGIPK2.FWM” file to the SD card using a PC.
- Reinsert the SD card and power on the unit.
- Press “X10” and “Cursor Down” keys simultaneously during startup.
- Wait for the “Updating firmware……” message.
- Confirm update by checking the software version on the startup display.
5. Calibration and Setup:
- Set accumulator working stroke, shot size, and end position.
- Interface DigiPack II with the machine’s PLC for motion control.
Proper installation following the manual ensures reliable long-term operation.
This answer is automatically generated
The shot size is to short and the Digi pack to is not in command..
If the shot size is too short and the Moog DigiPack II is not functioning properly, turn the Entry Knob clockwise to increase the Shot Size value on the LCD display. Then press the Set button to make the change permanent.
This answer is automatically generated