Novel grinding stone used for polishing 3D plastic replica with rapid prototyping technology

Wang Feng; Yoshihiro Niikura; Toshio Sato; Norimichi Kawashima

doi:10.1117/12.667684

2 February 2006 Novel grinding stone used for polishing 3D plastic replica with rapid prototyping technology

Wang Feng, Yoshihiro Niikura, Toshio Sato, Norimichi Kawashima

Proceedings Volume 6026, ICO20: Biomedical Optics; 60261M (2006) https://doi.org/10.1117/12.667684
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

Rapid prototyping (RP) apparatus accepts a specific format translated from CAD data (patient's CT) and "slices" it into two-dimensional cross sections for laser photo curing. Surgeon can conduct safer surgery by reappearing on an actual model using 3D plastic replica in the preoperative. Polishing has to be used to eliminate the marks after removal of supports and the build layer pitches. Complicated and narrow areas of the 3D replica are difficult to be polished with the conventional grinding stone. This study proposes a novel grinding stone and introduces its producing process and characteristics. The novel grinding stone has many advantages as follows; (1) Preparation is possible of grinding stone that follows the complicated shape. (2) Grinding stone with uniformly dispersed abrasive grains can be prepared using magnetic particles and magnetic field. (3) Reshaping of grinding stone by heating is possible since the binder is made of a thermoplastic resin. (4) Every process can easily be carried out. We could polish to eliminate the marks after removal of supports and the build layer pitches on 3D plastic replica surface with the grinding stone.

Citation Download Citation

Wang Feng, Yoshihiro Niikura, Toshio Sato, and Norimichi Kawashima "Novel grinding stone used for polishing 3D plastic replica with rapid prototyping technology", Proc. SPIE 6026, ICO20: Biomedical Optics, 60261M (2 February 2006); https://doi.org/10.1117/12.667684

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KEYWORDS

Polishing

Magnetism

3D modeling

Surface finishing

Abrasives

Particles

Rapid manufacturing

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