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Blue Styrene
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Here are some more information for Blue Styrene:
How are models made on a Dimension SST 768 3D Printer?
Functional 3D models are built from the bottom up, one layer at a time. Layers build upon each other to create a perfectly accurate 3D model.
What material is used?
The material is tough, durable acrylonitrile butadiene styrene (ABS) plastic.
How are the layers created?
Layers are created through fused deposition molding (FDM). ABS plastic is fed into an extrusion head, heated to a semi-liquid state and accurately deposited in filament form to layers as fine as 0.007-inch (0.178 mm) thick.
Do I need to alter my 3D CAD files in order to prepare them for 3D printing?
The Dimension SST can work with your 3D CAD models just as they are. No modifications are required on your end. The Catalyst® EX software automatically imports STL files, orients the part, slices the file, generates support structures (if necessary), and creates a precise deposition path to build your ABS model.
How is the path for each layer created?
The software automatically plots a precise deposition path for the printer to follow.
What are the support structures and how do they work?
The support structures are temporary layers of material used in the creation of rapid prototypes on a 3D printer. It is used to fill voids and maintain support as necessary as the 3D model is being built.
What happens to the support structures after the model is completed?
After completion of the build, support structures are simply removed. An agitation system that utilizes hot water and a soap bath automatically washes away the support structures.
How can support structures be used to create moving parts?
Support structures can be inserted into the 3D model in places that would otherwise be empty space in a moving part, such as the spaces between gear teeth. When the support structure is dissolved away, what was once solid space connecting two parts is now empty, allowing movement of the two parts.
What are the benefits of ABS plastic?
Models made of ABS plastic are tough enough to be used as working parts. ABS parts can be sanded, milled, drilled, tapped, painted and even electro-plated. ABS prototypes provide a higher level of precision then models produced with photo chemicals, wax or other forms of 3D printing. Rapid prototypes of ABS plastic will be durable and accurate enough for pieces to actually snap or fit together. ABS allows you to build durable and functional prototypes that can withstand rigorous testing and won't warp, shrink or absorb moisture.
What colors are available?
Colors include standard white, blue, yellow, black, red, green or steel gray colors. Custom colors also available.
How thick are the layers of extruded plastic?
Each layer is between .010 in. (.245 mm) or .013 in. (.33 mm.) of precisely deposited extruded ABS plastic and support material.
What size models can be created?
The maximum size of each build is 8 x 8 x 12 inches (203 x 203 x 305 mm). Larger pieces can be built in different layers, like the stories of a building or multi-layered cake.
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For more information about 3D printing and rapid prototyping visit:
http://www.DartUp.com
Nathan Young is the sales coordinator and operations manager at DartUp Design Services.
DartUp Design Services offers 3D printing, rapid prototyping and engineering design services for freelance engineers, CAD designers and businesses of any size.
Design services include:
Mechanical engineering design
Product design
CAD design & 3D product modeling
2D to 3D CAD conversion
Creating manufacturing drawings
Lifelike 3D CAD rendering
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Surface Restoration To Antique Metalwork
As antique furniture restorers, we often tend to think of ourselves simply as specialist craftsman in wood and forget that we frequently need to be involved with the surface restoration of the metal items which will invariably form an essential part of the whole piece which has been entrusted to our care.
Restoration to some antique metalwork, often badly damaged and with parts missing or completed corroded by rust, will require specialised metalworking skills beyond the scope of this paper, which is concerned with various aspects of restoration to the surface finish. In the hope that it will be of interest to readers, I should like to share my thoughts and experience of some of the traditional methods of rust removal and simple chemical colour enhancement, to simulate age or blend an area of over abraded or new metal with the existing colour or patination adjacent.
Let us consider the basic requirements for the removal of surface rust, without deep erosion, from antique surfaces. Firstly, it is fundamental that the oxide be removed without affecting any integral brass or bronze work. Secondly, any precipitate formed by the chemical action of the derusting agent must be easily and completely removable without causing abrasion damage to the item. Thirdly, the existing patination, if any, should be affected as little as possible with little discernable colour change taking place. Fourthly, further oxidation should at least be inhibited, positive protection is not a practical possibility if the visual aspect of the item is to be considered. No protective precipitates are either invisible or truly metallic in appearance.
The metalwork to be restored is likely to fall into one of three main categories:
- Various hinges, handles and knobs, escutcheons, lock plates and facings. All to be found incorporating or partly formed in brass or bronze and often engraved or surface etched.
- Engraved and inlaid plates and mechanisms mounted on antique gun and pistol stocks. Also hilts of edged weapons and parts of their scabbards, again often inlaid with brass.
- The many and varied parts of antique clock mechanisms and some early engraved clock dials and other parts.
Commercially available derusting fluids differ in their chemical approach to the problem. There are those containing dilute phosphoric and hydrochloric acids, which dissolve the ferrous oxide chemically, leaving a matt-grey precipitate and those containing styrene-acrylate, co-polymers, which stabilize the oxide forming it into a blue grey precipitate of appreciable thickness.
For the average user wishing to derust general hardware or car parts, the derusting fluids offer an efficient solution to a rust problem. But in my opinion, they are quite useless for treating antique metalwork and can cause irrevocable harm to the surface in many cases. The chemical action produces well bonded precipitates, only removable by quite heavy surface abrasion, an undesirable, lengthy and difficult task should the item be small or of a delicate nature. Yet this will be necessary whenever a metallic finish is required. In the unlikely event of the precipitate removal being successful, the item will then have to be burnished and chemically treated to produce a suitable antique finish. Unfortunately these derusting agents will etch and corrode brass and bronze unless the contact time is brief, thus making their use on multi media items open to serious doubt.
About the Author
Georgetown Refinishing & Antique Restoration
are the ingredients and colors in this lip color vegan?
All Shades Ingredients:
Water (Aqua), Acrylates Copolymer, Styrene/VP Copolymer, Triethanolamine, Carbomer, Phenoxyethanol, Propylene Glycol, Fragrance (Parfum), Methylparaben, Sodium Saccharin, Butylparaben, Ethylparaben, Isobutylparaben, Propylparaben, Panax Ginseng Root Extract, Camellia Sinensis Leaf Extract, Ginkgo Biloba Leaf Extract, Chamomilla Recutita (Matricaria) Flower Extract, Aloe Barbadensis Leaf Extract, Tocopherol
All Shades May Contain:
CI 17200 (Red 33), CI 42090 (Blue 1), CI 19140 (Yellow 5)
I googled those ingredients and Urban Decay brand lipstick came up. Urban Decay is a cruelty-free brand, but not all of their products are vegan. If the lipstick you're interested in is on this website (http://www.urbandecay.com/vegan.cfm#Lips) then it is vegan!
Community-wide disaster drill held
On April 7, HealthAlliance Hospital along with the Fitchburg, Leominster, and Lunenburg Fire Departments and MedStar Emergency Medical Services conducted a joint community-wide disaster drill as part of their emergency preparedness. The drill simulated a major Hazmat spill due to a school bus hitting a large tanker truck filled with styrene, a highly explosive, flammable liquid. read more
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