Metal founding – Process – Shaping a forming surface
Patent
1993-11-19
1995-10-24
Rosenbaum, Mark
Metal founding
Process
Shaping a forming surface
164165, 164166, B22C 902, B22C 1308
Patent
active
054602173
ABSTRACT:
An apparatus and a method for manufacturing cast parts by means of a lost wax process which is fully automated and unmanned. The wax tree coating processes, ranging from after a wax tree manufacturing step to immediately before a dewaxing step comprises a handling device for handling wax trees, a pair of slurry fluid dipping baths disposed with the handling device in between, a pair of sanding fluidized bed tanks disposed with the handling device in between, and a pair of conveyors for suspending and transferring the wax trees for not less than given drying time, wherein the handling device chucks the wax tree suspended and transferred by the conveyor at a given transfer position by means of a clamp unit of the handling device, moves the wax tree to the slurry fluid dipping bath and then to the sanding fluidized bed tank to coat the wax tree with a slurry fluid and sand, and returns the coated wax tree to the hanger conveyor again, with the sequence of operations automatically controlled by a controller.
REFERENCES:
patent: 3796251 (1974-03-01), Jasson et al.
patent: 3888299 (1975-06-01), Bardet
patent: 4727929 (1988-05-01), Simmons et al.
patent: 4919193 (1990-04-01), Sasaki
Sakurai Kazuo
Watanabe Tosiaki
Lin I.-H.
Mitsubishi Denki & Kabushiki Kaisha
Rosenbaum Mark
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