Info wanted on Quadrax recoating technique

From: John Male (
Date: Tue Jun 03 1997 - 16:20:42 EEST

Dear All

Does anyone out there have any information on the Quadrax Laser
Technologies stereolithography machines? Were any machines sold
commercially before their technology was acquired by 3D Systems?

I'm especially interested in the recoating technique that they used. Did
the recoating arm spray fresh resin onto the previous layer, or was it
more of a 'curtain' of resin falling onto it? What were the layer
thicknesses used?

Any references with desciptions of the recoating mechanism would be
greatly appreciated.



John Male
Research Student
Centre for Rapid Design and Manufacture
Buckinghamshire College of Higher Education
Queen Alexandra Road
High Wycombe
HP11 2JZ

Tel 01494 605085 Fax 01494 538593

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