SLA ORDERING GUIDE
About our
Material Selection Options
DSM SOMOS® 9120
Produces robust, functional and accurate parts. 9120 exhibits superior fatigue properties, strong memory retention and high quality up-facing and down-facing surfaces. It also offers a good balance of properties between rigidity and functionality. This material is useful in creating parts for applications where durability and robustness are critical requirements (i.e. automobile components, electronic housings, medical products, large panels and snap fit parts). This material was designed to simulate polypropylene. Appearance: Translucent off white.
DSM SOMOS® Watershed XC 11122
Produces strong, tough, water-resistant ABS-like parts. 11122 is nearly colorless. It offers many properties that mimic traditional engineering plastics including ABS and PBT. This makes the material ideal for many applications in the automotive, medical, and consumer electronics markets and include lenses, water flow analysis, RTV patterns, durable concept models, and wind tunnel testing. Appearance: Clear – near colorless.
Build Resolution Selection Options
Items to consider in determining the build resolution desired:
• The thinnest section in the X-Y directions throughout the part, generally wall thickness or surface features.
• The thinnest section in the Z direction. This includes the depth of engraved or raised lettering.
• Overall size of the part.
• The final appearance required for the part.
With 3D Systems Viper si² machines, there are two factors for resolution:
• The thickness of each layer or slice through the CAD model.
• The diameter of the laser spot used to draw each layer.
These two combined will determine the smallest feature or thinnest wall a given resolution will create. The beam diameter determines the minimum cross section and the minimum feature size. As a general rule, the finer the build resolution, the more costly it becomes to create the part. This is a direct result of the amount of time it takes to build the part.
NOTE: As a general rule, the higher the resolution, the more costly it becomes to create the part. This is a direct result of the amount of time it takes to build the part.
Low Resolution
0.006" layers and a 0.010" beam diameter
Minimum feature size of 0.012"
Minimum cross section of 0.012"
- Fastest and coarsest build resolution.
- Used for reviewing the overall shape
- Good for large flats, straight side walls, and generally very thick parts.
- On parts where there are minimal curves or curved corners, this resolution can save costs.
- Thickers layers (0.006") means fewer layers which results in larger "stair stepping" or layer lines which can increase time spent finishing parts, if desired.
- TOLERANCES: X/Y Planes: +/- 0.005" for the first quarter inch, plus +/- 0.002" for every inch thereafter. Z Plane: +/- 0.010" for the first inch, plus +/- 0.003 for every inch thereafter.
Standard Resolution
0.004" layers and a 0.010" beam diameter
Minimum feature size of 0.012"
Minimum cross section of 0.012"
- Creates good vertical wall quality and builds average features well.
- Used for reviewing general functionality
- Cost effective for parts with more curvature.
- The layering is still visible on curves and slanted flats in the Z axis, but is reduced.
- Thinner layers (0.004") means more layers which results in a smaller or tighter "stair stepping" or layer lines which can reduce time spent finishing parts, if desired.
- TOLERANCES: X/Y Planes: +/- 0.005" for the first quarter inch, plus +/- 0.002" for every inch thereafter. Z Plane: +/- 0.010" for the first inch, plus +/- 0.003 for every inch thereafter.
High Resolution
0.002" layers and a 0.010" beam diameter
Minimum feature size of 0.012"
Minimum cross section of 0.012"
- Builds most all features well.
- Used for reviewing functionality such as snap fits, threads, etc.
- Reduces the layer lines even further. At this resolution, the layer lines start to beocome harder to detect.
- Thinner layers (0.002") means even more layers which results in much smaller or tighter "stair stepping" or layer lines which greatly reduces time spent finishing parts, if desired.
- TOLERANCES: X/Y Planes: +/- 0.003" for the first 1/10 inch, plus +/- 0.0015" for every inch thereafter. Z Plane: +/- 0.005" for the first inch, plus +/- 0.0015" for every inch thereafter.
Ultra High Resolution
0.002" layers and a 0.003" beam diameter
Minimum feature size of 0.005"
Minimum cross section of 0.005"
- Builds all features very well.
- Used for reviewing small feature design and functionality.
- Best build for highly detailed, small feature and/or curved parts.
- The layering is almost invisible.
- Thinner layers (0.002") means even more layers which results in a smaller or tighter "stair stepping" or layer lines which can greatly reduces time spent finishing parts, if desired.
- TOLERANCES: X/Y Planes: +/- 0.003" for the first 1/10 inch, plus +/- 0.001" for every inch thereafter. Z Plane: +/- 0.005" for the first 1/10 inch, plus +/- 0.001" for every inch thereafter.
STANDARD Finish Options
Basic
- Part is cleaned
- All supports are removed
- Part is post cured
- Support surface may still show support stubble
Basic Plus
- Part is cleaned
- All support are removed
- Part is post cured
- Support surface is lightly sanded to remove any support stubble
ADVANCED Finish Options
The examples below can assist you in determining your requirements or you can select one.
Standard Finish
- Part is cleaned
- All supports are removed
- Part is post cured
- Part is sanded to remove the heaviest of the stair stepping (build lines) on the exterior or outside surfaces of the part
Primed Finish
- Part is cleaned
- All support are removed
- Part is post cured
- Support surface is lightly sanded to remove stubble
- Stair stepping (layer lines) ARE NOT removed
- Primer is applied for a ready to paint surface. Unless otherwise requested, only the outer surfaces are primed
Quick Paint Finish
- Part is cleaned
- All support are removed
- Part is post cured
- Support surface is sanded
- Stair stepping (layer lines) ARE NOT removed
- Paint is applied as per customer supplied PMS color numbers. If a multi-color model is required, a JPEG file or document depicting the paint scheme is preferred.
Quick Clear Finish¹
- Part is cleaned
- All support are removed
- Part is post cured
- Support surface is sanded.
- Stair Stepping (layer lines) ARE NOT removed
- Clear coated to produce transparent parts. This results in a part with increased transparency but will not produce a part this is optically clear.
Presentation Finish
- Part is cleaned
- All supports are removed
- Part is post cured
- Part is sanded to remove all stair stepping (build lines) on the exterior or outside of the part.
- Paint is applied as per customer supplied PMS color numbers. If multi-color model is required, a JPEG file or a document depicting the paint scheme is preferred.
Presentation Chrome Finish
- Part is cleaned
- All supports are removed
- Part is post cured
- Part is sanded to remove all stair stepping (build lines) on the exterior or outside of the part.
- Chrome is applied via PVD
- Clear coat is applied to prevent tarnish
Presentation Clear Finish ¹
- Part is cleaned
- All supports are removed
- Part is post cured
- Part is sanded to remove all stair stepping (build lines) on the exterior and on the interior where accessible.
- A clear coat is applied to produce transparent parts
Presentation Texture Finish
- Part is cleaned
- All supports are removed
- Part is post cured
- Part is sanded to remove all stair stepping (build lines) on the exterior and on the interior where accessible.
- Texture and paint is applied to part as per customer instructions
¹ Only available when selecting 11122 material.