Oscillating trough for shot blast

Details Oscillating trough for shot blast Oscillating trough for shot blast

1994-10-06

1996-07-02

Lin, Kuang Y.

Metal founding

Stripper or ejector

Means to separate cast product from shaping surface

164269, 451 86, B24C 326

Patent

active

055312632

ABSTRACT:
An oscillating trough for shotblasting, which prevents workpieces (W) from being damaged when they are turned over in the trough, is provided. The trough includes a depression (24) defined by two surfaces X.sub.4, X.sub.5 extending from the bottom (21) of the transfer portion upwardly and outwardly thereby making an inner angle of 80.degree.-100.degree. and an arcuate surface S connected to the top of each surface X.sub.4, X.sub.5 of the depression. The surface S is an arc in cross section of a radius of 70-100% of the radius of the largest cylinder inscribable in imaginary planes Y and Z each of a predetermined length in cross section, the plane Y at one end intersecting an upper end of the surface X.sub.4 or X.sub.5 with an external angle of 140.degree.-160.degree., and the plane Z at one end intersecting the plane Y with an inner angle of 120.degree.-140.degree..

REFERENCES:
patent: 4254592 (1981-03-01), Berna et al.
patent: 4319624 (1982-03-01), Weis et al.
patent: 4757648 (1988-07-01), Carpenter et al.

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