Metro Rapid Prototyping Forum
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Posted:  11 Apr 2007 19:03
If I have a part with a thin wall feature, what is the capability of a Stereolithography machine?  For example, can it create a minimum wall thickness of 0.001" or a minimum of 0.100"?  I understand that there is different machines.  What is the best machine to produce highly detailed features? 

thanks in advance
Posted:  17 Apr 2007 21:34
The quality of the part will definitely vary with the process.  The best detail is achieved by the 3D machine. The beam diameter can be as small as .004 on the new viper machine.  This will allow you to produce a wall thickness in the vertical direction as small as .010.  The horizantal wall thickness is dependent on the layer thickness of the resin and the power of the laser. It is comon to see .010 wall thicknesses built on a 3D machine.  This in most cases will be sufficient to produce most unjection molding prototypes.
The best answer you can get is from your prptotype supplier. Send them the3D data nad most will tell you if they can produce the part.
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