Transform Your Products
Transform Your Products InVision Concept Modeler Program Review Engineering & Quality 12-February-2007.
Mar 31, 2015
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Transform Your Products
Transform Your Products
InVision Concept ModelerInVision Concept Modeler
Program ReviewProgram ReviewEngineering & QualityEngineering & Quality
12-February-2007
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InVision Upgrades
History v3.38
v3.40 Pause build on long cartridge change out
Stop high vacuum condition
Add baffle to Print head adaptor
Addition of 2L vacuum bottle
Change vacuum set point 5.00 5.75 inches of H2O
Replace nylon fittings with brass on Print head adaptor
Grommet strips to clamp feed guides
Modified needle housing collar (removed material)
Removed potting from vacuum switch
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History v3.41 (Current)
Add mechanical flags to stop support material (S100) cartridge plunger ~ 20mm short to stop excessive air from entering the fluid delivery system
Z guides added
Grounding blocks to eliminate lead screws from turning
New needle house stripper
New needle housing coating & heater
Replace HMS bushings with bearing sleeves
InVision Upgrades
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History v3.42 (Testing)
Better positioning of cartridge to needle housing
Tighter holding of cartridge
Plunge to hold sequence modified to simulate drum feed plunge movement while checking LOMS level
Reduce “Pushed wax” condition
Reduce “Mega pixel errors”
Reduce “Ratio errors”
HMS damaged after Print head moves after “X-following error”
Build material expiration change to 2 years
InVision Upgrades
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v3.40 - Baffle Reduction of air entrainment – Add baffle (Support side only)
Print head Adaptor
New print head part no. = 300212-01
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v3.40 – Stabilize vacuum systemAdd 2L bottle to stabilize operation of pressure regulator / 0.5L remains
Vacuum System
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v3.40 - Vacuum Stabilization
Changed set point and switch of pressure regulator to 5.75” H20 to better accommodate material densities
Vacuum level being set at supplier location
Vacuum setting confirmed at the contract manufacturing location and adjusting in the field should not be necessary
Resellers should not be adjusting vacuum levels independent of 3D Systems knowledge
Vacuum System
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v3.40 - GuidingGrommet strips to cartridge guides
Clamp Feed
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v3.40 - Print Head PrimingRotate Print head 135° to remove trapped air \\us-bur-na01\groups\US-GJ-MS03\Doc Control Center\PUBLICATIONS\InVision\inver
ted printhead procedure_Rev.zip
Provided inside upgrade kit
Print head
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Print head
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v3.40 - SoftwareSingle motion to a “Plunge to Hold”
Plunger
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Plunger
v3.40 - SoftwareSingle motion to a “Plunge to Hold”
Single movement of plunger to fixed position - not based on LOMS level in adaptorPressurizes cartridge
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Plunger
v3.42 - SoftwareImplemented software 3.42 to improve cartridge guiding during the plunge to hold move. This also makes the plunge to hold move LOM sensor based (currently in final test stages)
Step by step - Movement of plunger based on LOMS level in adaptor
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v3.41 – New designRedesigned needle housing to improve ejection of cartridge without hang
Old revisionNew design
Needle Housing
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V3.41 – Design changesRedesigned needle housing to improve ejection of cartridge without hang
Extended the bearing
length of collar
Needle Housing
Add Teflon hard coated
both surfaces
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V3.41 - PlungersAdded stops to eliminate rotation of the plunger screws
Clamp Feed
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Mechanical Improvements
v3.41 - Z Guides Added “Z” guiding to cartridge guide path to insure cartridges
descend properly within clamp mechanism
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Mechanical Improvements
v3.41 - SoftwareImplemented software 3.41 to eliminate air from entering into the fuild delivery system
Any air in S100 support cartridge would enter the fuild delivery system when cartridge 100% dispensed
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Mechanical Improvements
v3.41 - Adding FlagsFlags to stop the plunger ~ 20 mm short to eliminate excessive air from being pushed in fluid delivery systems
~ 20 mm
Added flags to stop the S100 support cartridge ~ 200 mm to eliminate air in cartridge from entering the fluid delivery system
Sensor
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v3.42Larger Print head Adaptor with direct connect (no tubes)
NEW
Print head Adaptor
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v3.42Larger Print head Adaptor with direct connect (no tubes)
OLD
Print head Adaptor
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v3.42Redesigned Print Head Adaptor with larger internal chambers
Print head Adaptor
Surface Area
Old design ~ 1 300 mm2 New ~ 2 077 mm2
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v3.42Redesigned Print Head Adaptor with larger internal chambers
2.300” (58.4 mm)
1.400”
(35.6 mm)2.750”
(69.9 mm)
Print head Adaptor
Surface Area
Old design ~ 1 300 mm2 New ~ 2 077 mm2
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v3.42Redesigned Print Head Adaptor with larger internal chambers
2.300” (58.4 mm)
1.400”
(35.6 mm)
2.300” (58.4 mm) 1.400”
(35.6 mm)
2.750”
(69.9 mm)
Print head Adaptor
Surface Area
Old desgn ~ 1 300 mm2 New ~ 2 077 mm2
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V3.42Redesigned Print Head Adaptor with LOMS off-set to accommodate difference in material densities
0.200”
(5.1 mm)
Print head Adaptor
Support Build
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v3.42 - Alignment of cartridge tip to needle housing Moved clamps inward to center cartridge to the needle housing
Cartridge not held snug
Cartridge tip not aligned to needle housing
Cartridge
Needle housing
Cartridge Tip
Clamp
Cartridge Tip & Needle Housing aligned properly
Clamp Feed
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v3.42 - Alignment of cartridge tip to needle housing Moved clamps inward to center cartridge to the needle housing
Cartridge not held snug
Cartridge tip not aligned to needle housing
Cartridge
Needle housing
Cartridge Tip
Clamp
Cartridge Tip & Needle Housing aligned properly
Clamp Feed
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v3.42 - Alignment of cartridge tip to needle housing Moved clamps inward to center cartridge to the needle housing
Clamp Feed
Cartridge tip not aligned to needle
housing
Cartridge
Needle
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v3.42 - Alignment of cartridge tip to needle housing Moved clamps inward to center cartridge to the needle housing
Clamp Feed
Cartridge tip is better aligned to needle housing
Cartridge
Needle
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HMS / Software
v3.42 – Program changeRedesign the build carriage to use bearings and eliminate use of bushings
X Following error caused by excessive force Print head homes while the HMS engaged
Bearing part number = 11855-119-00
Need to order 2 bearings
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Material Improvements
SR200/HR200/DP200
2 year expiration date build material manufactured after 01-Jan-2007
Eliminate unnecessary RMA / Returned material
Customer complaints on receipt of material with < 6 months expiry date
Software v3.42 will accommodate material produced prior to 01-Jan-2007
Added stabilizer to eliminate clogged jets, waste tanks and waste umbilical when build and support materials reacting when co-mixing
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RMA / Returns
All part returns should be coordinated with Frank Vullhorst
Non-conforming parts should be returned to UPS Col. Using a RMA #
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