dimensional modeling software (such as: Pro / E, SolidWorks,

The technical method of Rapid Prototyping

RP rapid prototyping process method yes-D solid modeling computer-based, three-dimensional model for dealing with Zai, they formed cross-section profile information, materials will be followed by three-dimensional model of the section profile information to scan, Shi Cai Liao bonding, curing, sintering, accumulation of a solid model layer by layer. The current method of rapid prototyping technology of forming steps are basically carried out according to the following:

1. Using three-dimensional modeling software (such as: Pro / E, SolidWorks, Unigraphics, AutoCAD, etc.) to design and build 3D CAD models, and then output to STL format;

STL file export method:

Alibre File (file) -> Export (output) -> Save As (Save As, select. STL) -> input file name ->
Save (save)
AutoCAD output model must be three-dimensional entity, and the XYZ coordinates are positive. In the command line enter the command "Faceters" -> Settings
FACETRES is between 1 and 10 a value (a lower precision, 10 for the high-precision) -> then enter the command at the command line "STLOUT" -> select entity -> select "Y", the output binary file -> select the file name
CADKey from Export (output) select Stereolithography (SLA)
I-DEAS File (file) -> Export (output) -> Rapid Prototype File (Rapid Prototyping file) -> select the output of the model -> Select Prototype Device (select a prototype device) -> SLA500.dat -> Settings
absolute facet deviation (precision patches) as 0.000395 -> Select Binary (binary)
Inventor Save Copy As (Save copies to) -> select the STL types -> Select Options (option), set to High (high)
IronCAD Right-click to export the model -> Part Properties (Part properties) -> Rendering (rendering) -> set
Facet Surface Smoothing (smooth triangular patches) for 150 -> File (file) -> Export (output) -> select. STL
Mechanical Desktop using AMSTLOUT command output STL files.
The following command line options affect the quality STL file should be set to the appropriate value to the output documents required.
1. Angular Tolerance (angle difference) - adjacent patches to set the maximum angle difference between the default of 15 degrees, reducing the STL file can improve the accuracy.
2. Aspect Ratio (shape ratio) - This parameter controls the triangular facets of the high / width ratio. 1, triangles mark the height does not exceed the width. The default value is 0, ignored.
3. Surface Tolerance (Surface) - control side of triangular patches and the actual model of the maximum error. Set to 0.0000, the parameter will be ignored.
4. Vertex Spacing (vertex distance) - Control the length of the edge triangles. The default value is 0.0000, ignored.
ProE 1. File (file) -> Export (output) -> Model (Model)
2. Or select File (file) -> Save a Copy (Save 1 copies) -> select. STL
3. Set chord height to 0. Then the value will be automatically set to an acceptable minimum.
4. Set Angle Control (perspective control) to 1
ProE Wildfire 1. File (file) -> Save a Copy (Save 1 copies) -> Model (model) -> select the file type STL (*. stl)
2. Set chord height to 0. Then the value will be automatically set to an acceptable minimum.
3. Set Angle Control (perspective control) to 1
Rhino File (file) -> Save As (save as. STL)
SolidDesigner (Version 8.x) File (file) -> Save (save) -> select the file type STL
SolidDesigner (not sure of version) File (file) -> External (external) -> Save STL (save STL) -> select the Binary (binary) mode -> select parts -> type "0.001mm for Max Deviation Distance (maximum error)
SolidEdge 1. File (file) -> Save As (Save As) -> select the file type STL
2. Options (optional)
Set Conversion Tolerance (conversion error) to 0.001in or 0.0254mm
Set Surface Plane Angle (plane angle) is 45.00
SolidWorks 1. File ((File) -> Save As (Save As) -> select the file type STL
2. Options (Options) -> Resolution (quality) -> Fine (good) -> OK (OK)
Think3 File (file) -> Save As (Save As) -> select the file type STL
Unigraphics 1. File (file)> Export (export)> Rapid Prototyping (RP) -> set type is Binary (binary)
2. Set Triangle Tolerance (triangulation error) is 0.0025
Set Adjacency Tolerance (adjacent error) 0.12
Set Auto Normal Gen (automatic method to generate) is On (open)
Set Normal Display (normal display) to Off (off)
Set Triangle Display (triangle display) to On (open)

 

2. RP slicing device software. STL file slicing;

3. RP equipment, good data on the hierarchical model of entities dealing with the manufacture, processing generated the first physical layer, the model reduces to a story generated another layer, the cycle until the entire generation shaped parts;

4. Molding parts made of, the normally even after the treatment in accordance with certain steps in order to perfect the final sample, including curing, removal of support material, surface cleaning, polishing, painting color and so on.

So far, at home and abroad have developed a variety of mature rapid prototyping technology, the more commonly used are the following:

SLA (Stereolithography Prototyping or stereo lithography modeling): Stereo Lithography Apparatus
    FDM (Fused Deposition Modeling): Fused Deposition Modeling
    SLS (Selective Laser Sintering): Selective Laser Sintering
    LOM (laminated object manufacturing): Laminated Object Manufacturing