Objet Geometries Ltd Eden330 User manual

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Objet Geometries Ltd Eden330\333 User Manual
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1. Operation and Maintenance
 Read all of the following chapters that apply to your particular work.
 Do not open the hood while the system is working. Do not bypass the
hood’s interlock.
 Do not stare at the U light. Use protective eye glasses while the U is ON.
 Do not touch the Model and/or Support material with bare hands. Wear
gloves during cleaning of the Model and/or Support material from the
machine. If you make skin contact with Model and/or Support material,
wash the area as soon as possible with water and mild detergent.
1.1 Installation and Trainin Rules
An authorized Customer Support representative from Objet Geometries Ltd.
will perform the following tasks:
 Unpack, install, assemble and completely check the Eden330\333 system
before approving it for operation.
 Train the selected personnel to operate the system. Only trained personnel
are qualified to operate the system.
 Only an authorized Customer Support representative from Objet will be
responsible for the system service and maintenance.
 The user must follow all safety rules and regulations as described above.
1.2 Workin with the Eden System
Procedure for Startin on the Eden330\333
1. Check that there is sufficient material in the cartridges (see Loading and
Replacing Material Cartridges).
2. Check that there is no printed model on the tray.
3. Perform the Daily Maintenance procedure.
4. Start the EDEN330.EXE program at the Embedded Workstation.
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Fi ure 1: Application Main Screen
1.2.1 Procedure for Shuttin Down the Machine
1. Click the Option pull-down-menu, and select the Shut Down option.
2. Press [OK] when ready, or [Cancel] to abort operation.
3. The system will empty existing material in printing heads, and perform
wiping. Please note that this sequence will take about 5 minutes.
4. Turn off the EDEN330.EXE program.
5. Switch off the machine.
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1.2.2 Procedure for Performin Pattern Test
As a periodic procedure, it may be necessary to perform a pattern test, and to
examine the nozzles status. In order to perform a pattern test, follow the next
steps.
1. Enter the main menu, and select the Pattern Test icon.
2. Pattern test would be printed onto tray, as shown in figure 3 below.
3. Confirm the Pattern Test message, and remove the tray with the printed
pattern test.
Fi ure 2: Pattern Test Screen
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Fi ure 3: Pattern Test Printed onto Removable Tray
Fi ure 4: Pattern Test Mapping
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1.2.3 Preparin the Machine for a Prolon ed Pause
It is sometimes necessary to leave the machine for several hours or possibly days
(weekend). The following describes the procedure to be followed when preparing
the machine for such a prolonged pause. This is not closing down the machine as
detailed above.
1. Ensure that the Objet Studio program in the Host computer is idle (not
in printing mode).
2. Click the Options pull-down-menu, and select the Shut Down option.
3. The system will empty existing material in printing heads, reduce heads
heating, and perform wiping. Please note that this sequence will take
about 5 minutes.
5. Do NOT turn off the machine or the EDEN330\333 software.
1.2.4 Procedure for Restartin the Machine after a Pause
1. Check that there is sufficient material in the cartridges (see Loading and
Replacing Material Cartridges).
2. Click the Options pull-down-menu, and select the Pattern Test option.
3. The system will prompt the user to continue with this sequence, or abort
the selected option. Press [OK] to continue.
4. Once the Pattern Test sequence has been completed, and presented
satisfying nozzles status - One may proceed with printing from the Host
computer.
1.2.5 Procedure for cleanin or replacin the Wiper Blade
The wiper blade installed in the Eden330\333 requires an easy cleaning by
the user, as part of the routine maintenance procedure. This wiper blade can
be also easily replaced if required.
1. For cleaning or replacing the wiper blade, click the Options pull-down-
menu, and select the Clean Wiper option.
2. The system will raise the wiper blade and prompt the user to replace or
clean the wiper blade.
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Fi ure 5: Wiper Cleaning Screen
Fi ure 6: Wiper Blade Removal
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1.2.6 Loadin and Replacin Material Cartrid es
The Objet Eden330\333 operates with one cartridge of Model material and
one cartridge of Support material for printing models. The net weight of
each cartridge is 2.0 kilograms (4.4 lbs.) . When facing the Eden330\333,
the cartridges are located in two pullout drawers in the cabinet at the lower
left front of the machine.
The cartridges may be replaced either while the machine is operating or
idle. If replacement takes place during operation, the process should be
done as quickly as possible to ensure the continuous validity of the print
process.
Do not allow the replacement of a cartridge to exceed 30 seconds when the
machine is operational.
To replace and load these cartrid es:
1. Open the left cabinet door (by soft-clicking on the door side) and pull
open the cartridge drawer containing the cartridge to be replaced.
2. Take care to load Model material into the Model drawer and Support
material into the Support drawer (resin containers are keyed in order
to prevent misplacement).
3. Grasp the handle of the cartridge firmly and pull straight out. Do not
twist or turn the cartridge to remove.
4. When the MMS (PolyLog material management System) determine
that the cartridge is empty – it will prompt a message on screen. The
Objet Studio program in the Host computer will also generate on
screen message 100 grams (or 15 minutes) before the cartridge is
empty
Grasp a new cartridge (or the partially used cartridge) firmly by the
cartridge handle, and pull it out.
6. Insert the new cartridge directly into the drawer. Some resistance will
be felt as the needle pierces the rubber stopper at the front of the
bottle.
7. Press the cartridge securely into the drawer.
8. To check that the bottle is entirely in place with the needle well inside
the stopper, press the cartridge firmly and refer to the Eden330\333
application to see the detected existing resin quantity.
9. Close the left cabinet door.
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Fi ure 7: Opening the cabinet drawer
Fi ure 8: Pulling cartridge out
Fi ure 9: Support/Model Housing
Fi ure 10: MMS Display
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1.2.5 Replacin the External Waste Container
The waste container contains partially cured polymeric material generated during
printing heads maintenance, and should be considered according to the safety
requirements as described in the User Manual.
The waste container has been designed for a long period of time, and might keep
up to 3 months of non-stop working. The user is requested therefore to observe
for a full container, and replace it accordingly, during the daily maintenance.
To replace and load the waste container, follow the next steps:
1. Open the Eden330/333 front left door.
2. Gently, pull out the external waste container. Treat it content as
polymeric material. Be aware of the pipe entering the container.
3. Lift up the container or shake it in order to feel if the container is full.
4. You may empty out the external waste container even if it has not
reached maximum level – Note to treat it content as polymeric
material.
5. While done, insert a new container by driving it back underneath the
cabinet.
.
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1.3 Procedure for Sin le Head Replacement
1.3.1 General
1. The objective of this procedure is to guide users through the Single Head
Replacement procedure.
2. Follow the safety instructions before performing the Single Head
Replacement
1.3.2 Why and when to replace a sin le head?
1. Single Head Replacement should be carried out in any one of the
following cases:
1.1 A large number of nozzles or all nozzles on a single head are not
functioning or “missing”. Only heads missing more than 15 nozzles
should be considered for replacement
1.2 Printing head is damaged (orifice plate is peeling or has bubbles). *
1.3 Printing head is jetting a very low weight. **
2. The following are general guidelines as to when to avoid head
replacement.
2.1 Do not remove single heads if the printing block is full of resin. The
printing block must be empty before head replacement.
2.2 Do not remove or attempt to replace heads during printing, as head
replacement requires performance of ‘Weight Test’.
* Note: Head replacement in this case should be done only if the damaged orifice plate
affects missing nozzles or printing quality.
** For optimizing a single head’s weight, or adjusting other heads to same level as the
defective head, please refer to ‘Optimizing Heads’ procedure.
17.1 Required Tools
1. Gloves (pair).
2. Flat-end screwdriver (5mm).
3. FlipScale or other weight measurement tool (with minimum accuracy of 0.05 gr).
4. Wiping cloth and Propanol spray.
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17.2 Step-by-step Procedure for Sin le Head Replacement
Review:
1. Single Head Replacement (SHR) is based on 4 major steps, as follows:
1.1 Identify the head to be replaced: This should be done primarily by
performing a Pattern Test which will determine if any of the heads
needs to be replaced, according to the number and location of
missing nozzles on this head. Please note that missing nozzles spread
out over the head may draw a different conclusion, as opposed to all
missing nozzles being in one area. In addition, missing nozzles may
still be revived if head wiping is not adequate or wiper blade is
defective. Always perform purges, manual head cleaning and wiping
before determining final status of missing nozzles.
1.2 Preparin the printin block for head replacement: This step is
done automatically by the Eden application during the Wizard
process. The application will empty the heads, and prompt the user
to replace required head.
1.3 Replace malfunctionin heads: Remove malfunctioning head, tag it
and record relevant information with regards to this head [(1) Total
printing time (2) Head location in block (3) Head S.N. (4) Block S.N.
(5) known weight (6) malfunction description]. Insert new head.
1.4 Automated Calibration: The wizard will perform an automatic
‘Weight Test’. The user will be required to measure the weight of
printed cube for replaced head, and enter the result into the wizard
screen.
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Fi ure 11: Illustration of 4-steps for SHR
2. Step 1: Identify the head to be replaced:
2.1 This should be done primarily by performing a Test Pattern, which
will determine if head needs to be replaced, according to number and
location of missing nozzles on this head. Please note that missing
nozzles spread out over the head may draw a different conclusion, as
opposed to all missing nozzles being in one area
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Fi ure 12: Performing ‘Test Pattern’
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Fi ure 13: Example of peeling orifice plate.
* Note that when an orifice plate peels at either end this might not necessarily affect nozzles
status, and therefore Single Head Replacement should be reconsidered.
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Fi ure 14: Example of a severe case of missing nozzles
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3. Startin the Head Replacement:
3.1 This step will be carried out automatically and will take few minutes.
The Wizard will empty the heads before Single Head Replacement
wipe the heads when done.
3.2 Please note that head replacement does not require washing the
heads with washing detergent. Nevertheless, as uncured resin would
be exposed in the material entry holes located in the block, please
perform the single head replacement as quickly as possible, after
removing the head.
Screen 15: Welcome to Head Replacement Wizard
Click ‘Next’ to start the Head Replacement Wizard, or ‘Cancel’ to abort.
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Screen 16: Select the head(s) to be replaced
Select the head you are about to replace. You may have multiple
selections of a few heads at the same time.
Please note the head order, as shown in the picture (Head S3 is first left;
Head M0 is far right).
When done:
Click ‘Next’ to continue the Head Replacement Wizard, or ‘Cancel’ to
abort.
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Screen 17: Emptying block process
At this stage, the printing block would automatically be positioned over
the wiper location, and the head will drain.
Please note that this step may take few minutes, as it requires heating of
the heads prior to the draining process.
When done:
Click ‘Next’ to continue the Head Replacement Wizard, or ‘Cancel’ to
abort.
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4. Head Replacement:
4.1 This step will be guide the user through actual head replacement,
after the head’s draining has been completed.
Screen 18: Replacing the head
At this stage, the user is prompted to replace the head(s) selected.
For information of how to remove an insert a new head, follow the next
steps.
When done:
Click ‘Next’ to continue the Head Replacement Wizard, or ‘Cancel’ to
abort.
5. Replacin a Head – Removin Malfunctioned Head:
5.1 Please note that prior the head replacement; the wizard will turn OFF
part of the machine ‘Power’.
5.2 Follow the next steps, as described below:
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Fi ure 19: Open the new SHR box, and carefully read the enclosed safety
instructions
Fi ure 20: Wear the safety gloves prior to the SHR procedure
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