Abstract: A profile cutting apparatus comprising: a cutting head supporting a nozzle through which a cutting medium passes, and at least two drives that drive the cutting head to tilt relative to a vertical axis while driving the cutting head to rotate about the vertical axis, wherein the tilt of the cutting head is achieved by the relative difference in motion between the two drives.

Abstract: The present invention provides a drum for a shot blasting apparatus that uniformly treats the works to be treated by increasing the level of agitation of the works that are buried at the bottom of the drum, and, further, suppressing the traces of collisions on the works, which traces are caused by the works colliding with each other. The present invention also provides the shot blasting apparatus using the drum. The drum comprises a hollow middle part, a lower-half part having the shape of a truncated cone, having a closed, bottom, and having a projecting part for agitating that is connected to both the lower-half part and the middle part, and that agitates the works, wherein the projecting part for agitating has at least two surfaces, one being the surface for picking-up the works and the other being the surface for having the works slide down.

Abstract: To provide a novel shot-blasting machine to eliminate a dead space for a cover that shuts an opening for feeding and taking out works and to open and close the cover by moving a rotary drum around an axis. The machine has a cabinet 11, a rotary drum 13 having holes, and a centrifugal shooting machine 15. The rotary drum 13 moves, within the cabinet 11, around an axis through the positions for feeding, processing, and taking out the works. The cabinet 11 comprises a cover 51 for shutting an opening 11b for feeding and taking out the works. It has a wall 59 for sealing the side of the opening lib. The cover 51 is integrated with the rotary drum 13 to move around the axis. It has walls 51a, 51b, 51d that fit the wall 59 for sealing. Lip seals 61, 63 seal the gap between the walls 51a, 51b, 51d of the cover 51 and the wall 59 for sealing.

Abstract: A loader arrangement 7 of a shot-blasting machine includes a bucket loader 29 having a tip opening that can be opened and closed by means of a lid 35. The loader arrangement 7 also includes a swivel arm 32, which is vertically and pivotally attached to a frame 4 via a linkage 31, for vertically swiveling the bucket loader 29, and a chain block 34 for swiveling the arm 32. Once the bucket loader 29 has reached the upper position above a rotary drum 5 by means of the swivel arm 32, a guide means 30, which is attached to the arm 32, allows the bucket loader 29 to approach the drum 5 through its top opening by driving a hydraulic cylinder 33, while the tip of the bucket loader 29 is opposed to the bottom wall of the drum 5. Once the tip of the bucket loader 29 is close to the bottom wall or the inner peripheral wall of the drum 5, the lid 35 is opened to drop the work pieces in the bucket loader 29 into the drum 5.

Abstract: A washing device includes a case body; a table installed into the case body for supporting a workpiece which is to be cleaned; an solid cleaning substance feeding device having an impeller, capable of projecting an solid cleaning substance and a cleaning liquid to the work; an solid cleaning substance supply which supplies the solid cleaning substance to the solid cleaning substance feeding device by driving the impeller; and a cleaning liquid supply which supplies the cleaning liquid to the impeller when the solid cleaning substance feeding device drives so that it can remove paint, a mold release agent, dirt, oil dirt, etc. in a short time and can be used again and again. The device can use a cleaning agent, such as a surface-active agent, an antirust agent, a degreasing agent, warm water, water, and prevents pollution of the environment, the human body, and the subsoil.

Abstract: An airless blaster arrangement (100) for the surface treatment of objects with blasting agents, comprising an airless blaster (10) consisting of several radially arranged thrower blades (11) which are secured to at least one side disk (14). An area (12, 13) for the projection of blasting agents is respectively provided between two thrower blades. A distributor element (20) with a star-shaped cross-section formed by several guide ribs (21) extends coaxially with respect to the airless blaster (10) and is connected thereto in rotationally fixed manner. One guide rib (21) of the distributor element (2) is respectively joined to a thrower blade (11). A blasting agent guide channel (22) of the distributor element (20) leads into the blasting agent projection area (12).

Abstract: A polishing cloth mounted on a turntable is dressed by bringing a dresser in contact with the polishing cloth for restoring the polishing capability of the polishing cloth. The dressing is performed by measuring heights of a surface of the polishing cloth at radial positions of the polishing cloth in a radial direction thereof determining a rotational speed of the dresser with respect to a rotational speed of the turntable on the basis of the measured heights, and dressing the polishing cloth by pressing the dresser are rotating. The dresser has an annular diamond grain layer or an annular SiC layer.

Abstract: The washing device comprises a case body; a table installed into the case body and supports a work which is cleaned; an incidence device having an impeller, capable of projecting an incidence object and a cleaning liquid to the work; an incidence object supply which supplies the incidence object to the incidence device by driving the impeller; and a cleaning liquid supply which supplies the cleaning liquid to the impeller when the incidence device drives so that it can remove paint, a mold release agent, dirt, oil dirt, etc. for a short time and can be used again and again, and it can use cleaning agent such as surface-active agent, antirust, a degreasing agent, warm water, water, etc. and can prevent to pollute to environment, human body, and underground.

Abstract: With the blasting apparatus in which the injection nozzle is disposed to inject the blast material against the work pieces from the outside of the tubular barrel formed of the mesh net for accommodation of the work pieces and rotatable about the center axis, the work pieces can be stirred homogenously and efficiently without excessive occurrence of the collision of the work pieces against one another and without occurrence of the collision of the work pieces against one another and with a strong shock force. Therefore, the treating efficiency is enhanced and, it is possible to inhibit the occurrence of the cracking and breaking of the work pieces. Further, with the blasting apparatus in which the tubular barrel is supported circumferentially outside the center axis of the support member rotatable about the center axis, it is possible to more inhibit the occurrence of the cracking and breaking of the work pieces.

Abstract: A tilt control assembly for controlling the tilt of a cutting tool head has a first eccentric support and a second support, with both of the first and second supports connected to the head along an axis of the head. To adjust the position of the head, the first eccentric support may be rotated.

Abstract: An abrasive cleaning device and method are provided in which a rotating, oscillating drum tumbles articles being cleaned while they are subjected to oscillating blast streams of abrasive particles. Variable closure of alternating portions of an upper opening in the drum through which the blast streams are directed is accomplished by means of a flexible belt that moves in concert with the drum and blast head oscillations.

Abstract: An apparatus for deflashing work pieces includes a pivotable treatment chamber, a throwing wheel which propels particulate media to impact work pieces in the treatment chamber, and a cryogen supply introducing a flow of cryogen to embrittle work pieces in the treatment chamber. A recirculation system includes a separator in communication with the treatment chamber through a plenum chamber, a media hopper in communication with the separator, first and second withdrawal conduits, a supply conduit connecting the withdrawal conduits to the throwing wheel, and a blower connected to the withdrawal and supply conduits for moving gas therein. The first withdrawal conduit is connected to withdraw cryogen gas from the treatment chamber through the separator and the media hopper and pull media from the separator to the media hopper. The second withdrawal conduit is directly connected to the plenum chamber to withdraw gas therefrom.

Abstract: A media assist and gaseous fluid flow distribution system for a cryogenic deflashing machine. Dry-nitrogen or other dry gas is supplied to the media assist distribution system of the present invention in order to supply a cryogenic deflashing machine with gas fluid flow. The gaseous nitrogen is distributed into the interior of the cryogenic deflashing chamber as well as serving to propel deflashing media shot into a throw wheel impeller. The throw wheel impeller then propels the media into the cryogenic deflashing chamber to deflash plastic, metal, or other appropriate work pieces. The gas distribution portion of the present invention also supplies a blast of dry nitrogen against the door to ensure that debris collecting nearby is directed towards the drain of the cryogenic deflashing chamber and the media/flash separator. Via the gaseous distribution system of the present invention, the amount of media required for impact deflashing is greatly reduced.

Abstract: A cryogen shot blast system is provided which includes a sealed cryogenic chamber and a barrel which is supported within the cryogenic chamber and is rotatable about a longitudinal axis. The barrel is pivotally mounted so that the longitudinal axis of the barrel has a variable angle of inclination. The cryogenic chamber includes a drum portion and a generally hemispherically-shaped dome portion which seals an open end of the drum portion. The cryogenic chamber is jointed such that the barrel and a portion of the cryogenic chamber can rotate between a loading position wherein work pieces can be loaded into the barrel and an operating position wherein the barrel is sealed within the cryogenic chamber. A throwing wheel propels particulate media into the barrel to impact work pieces. A nozzle injects the particulate media at different orientations within the throwing wheel to vary the direction of flow of particulate media from the throwing wheel.

Abstract: A method and apparatus for shot blast cleaning a workpiece. The method comprising the steps of applying a composite stream of a slurry consisting of carrier liquid and particulate abrasive material under high velocity to the workpiece in a blast cabinet, reclaiming spent slurry after undersized abrasive material have been removed, cleaning the carrier liquid for reuse and pumping the cleaned carrier liquid at the workpiece for washing and conditioning the workpiece or pumping the cleaned carrier liquid together with the reclaimed abrasive material as a composite stream at the workpiece. A nozzle which has a divider within it for separating the abrasive material and carrier liquid is used in combination with a slurry discharge head to discharge the abrasive material and carrier liquid in a substantially overlapping blast pattern.

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..

Abstract: A vibratory material handling apparatus is provided for mixing of materials, cleaning, blending and/or shake out of castings or the like. The apparatus comprises a container having a material supporting surface disposed along a generally horizontal longitudinal axis. The container has a material input end and a material discharge end axially spaced therefrom and it is resiliently mounted relative to a mounting surface. The apparatus also includes a vibration generator for producing a force to cause material within the container to be directed in a path of tumbling movement generally in a direction from the material input end toward the material discharge end of the container. With this arrangement, a tumbling assist mechanism is provided for applying a force to the material in addition to the force produced by the vibration generator to facilitate tumbling of the material as it moves along the path of tumbling movement.

Abstract: The drum (2) of a centrifugal jet machine is swivelable in an oscillating manner between two angular positions. The drum (2) has a curved base part (8) with plate-shaped parts (9, 10) which are fastened at both sides of the latter so as to be swivelable. These parts (9, 10) are guided in guide rails (15) by means of rollers (13). Depending on the swiveling movement of the drum (2), these parts (9, 10) are swiveled out so that, at a swivel angle of at least 180.degree., the casing opening (3) also changes in such a way that the centrifugal jets strike the goods to be cleaned also in the extreme outer angular positions.