Tipton Manufacturing Corporation

Tipton Corp.

Kabushiki Kaisha Shikishima Tipton

Shikishima Tipton Mfg. Co., Ltd.

Kabushiki Kaisha Shikishima Chipton

Shikishima Tipton Manufacturing Co. Ltd.

Motoo Kawasaki

Lipton Manufacturing Corporation

Hisamine Kobayashi

Katsuhiro Izuhara

Toshiharu Shimizu

Hidemi Nawafune

Shozo Mizumoto

Sadamasa Suzuki

Atsushi Kato

Akihito Fujishiro

Yoichi Seo

Mutsumi Miyashiro

Akio Murata

Takeo Suzuki

Tomihiro Ishiguro

Hironari Murase

Toshiro Ishihara

A vibratory finishing machine includes a base having an upper face, coil springs mounted on the upper face of the base, a vibrator having an outer peripheral face and mounted on the base via the coil springs for vibration, a vibrating motor mounted on the vibrator, and a helical tubular container into which an admixture of workpieces to be finished and finishing media are loaded. The container has upper and lower flat superposed faces extending lengthwise and is helically wound on the outer peripheral face of the vibrator at a plurality of turns so that the upper and/or lower superposed faces of each turn of the container are superposed on the lower and/or upper superposed faces of the adjacent turn or turns respectively. A method of making tubes constituting the helical tubular container includes the steps of forming a tubular core by helically winding a band-shaped member having two lengthwise ends while the ends of the band-shaped member are being adhered closely to each other, and disposing the core in a casting mold, pouring a forming material into a space defined between the casting mold and the core and hardening the forming material, and removing the core from the casting mold by pulling out one of the ends of the band-shaped member forming the core.

Method of making a tube for use in a vibratory finishing machine

Any part of an abrasive media in a solid particle or liquid form is prevented from entering a seal and/or the area where a rotary shaft bearing for a rotating barrel is sealed, thereby protecting the bearing and/or its seal against any possible damage that may be caused by abrasive media. A the barrel finishing operation performed by rotating a rotating barrel rotatably mounted inside a cylindrical stationary barrel on a lower portion thereof in a spaced relationship to the stationary barrel. The stationary barrel has an outer bottom plate at the bottom end thereof. At least one blade is mounted on the back side of a rotating plate forming the bottom end of the rotating barrel, and is rotated by rotating the rotating plate to any part of the abrasive media existing between the back side of the rotating plate and the top side of the outer bottom plate in the direction remote from the rotary shaft, thereby developing a negative pressure or vacuum area located on the back side of the rotating plate and on the side of the blade nearer to the rotary shaft. Air is then drawn from the atmosphere into the vacuum area by the action of the negative pressure, and thus an air layer is created in the vacuum area. The air layer prevents that part of the abrasive media from entering the rotary shaft bearing and/or its seal.

Seal protecting method for use with spiral-flow barrel finishing machine

This invention relates to a spiral-flow barrel finishing machine having a cylindrical stationary metallic barrel equipped with a lining layer at a lower inside portion. A rotating barrel is equipped with a lining layer on a metallic rotational body and is loosely engaged with the lower part inside of the cylindrical stationary barrel so as to rotate freely. A constant clearance is kept between the inner wall of the stationary barrel and the outer wall of the rotating barrel, regardless of the temperature change and the moisture content change. A measure to allow for thermal expansion having a specific vertical width, properly corresponding to the vertical width of the clearance, is circularly arranged between the inner wall of the metallic stationary barrel and the outer wall of the lining layer on the metallic stationary barrel. This makes an allowance for thermal expansion of the lining layer on the stationary barrel toward wall side of the metallic stationary barrel.

Spiral-flow barrel finishing machine

A vibratory finishing machine includes a base having an upper face, coil springs mounted on the upper face of the base, a vibrator having an outer peripheral face and mounted on the base via the coil springs for vibration, a vibrating motor mounted on the vibrator, and a helical tubular container into which an admixture of workpieces to be finished and finishing media are loaded. The container has upper and lower flat superposed faces extending lengthwise and is helically wound on the outer peripheral face of the vibrator at a plurality of turns so that the upper and/or lower superposed faces of each turn of the container are superposed on the lower and/or upper superposed faces of the adjacent turn or turns respectively.

Vibratory finishing machine having a helical and tubular container

A magnetic separator for separating a magnetic substance such as metal parts or workpieces from a nonmagnetic substance such as abrasives used in a barrel finishing includes an infeed passage along which a mixture of the workpieces and the abrasives is conveyed. A rotary drum is rotated in a direction crossing the infeed passage, and a magnet is mounted in the rotary drum so that the magnetic substance is attracted to a circumferential surface of the rotary drum. The workpieces picked up onto the rotary drum are conveyed along an outfeed package, and a demagnetizer establishes an alternating field in the middle of the outfeed passage along a direction in which the magnetic substance is conveyed along the outfeed passage. A sweeping brush is located on the infeed passage in the vicinity of the rotary drum so as to scrape the surface of the workpieces attracted to the surface of the rotary drum to sweep off granular abrasives adherent to the surface of the workpieces. A removing brush is located at the outfeed passage for scraping out the workpieces to dissociate them from the rotary drum.

Magnetic separator and sweeping brush used therein

Abrasive media formed into shapes or packs containing a compound are disclosed. The abrasive media are formed from a synthetic resin material, and contain a compound and abrasives within the formed synthetic resin material. A method of manufacturing such abrasive media is also disclosed. The method includes providing abrasives, synthetic resin and compound in their respective specific proportions, stirring them into a uniform mixture, placing the mixture into a mold, and thermosetting the same within the mold, and then removing it from the mold.

Abrasive media containing a compound for use in barrel finishing process

A barrel polishing machine includes an electrically conductive inner container for containing workpieces, the inner container having a number of holes formed in a circumferential wall thereof so that an electrolyte supplied to the workpieces passes through the holes, an electrically conductive outer container disposed to surround the inner container with a predetermined gap between them, a pair of electrode terminals connected to the inner and outer containers respectively so that the containers serve as electrodes with polarity opposite each other, respectively, an insulator interposed between the inner and outer containers with a predetermined gap between the same and each container, and a drive source supplying a rotational or vibratory force to the inner container. The gap between the inner and outer containers is 10 millimeters long or below. The barrel polishing machine may be diverted to an electroplating machine when the polarity is inverted.

Surface treatment apparatus for workpieces

A barrel finishing machine includes a dual barrel structure including a cylindrical stationary container and a rotary container concentrically mounted in the stationary container for rotation, with a small gap between them. Linings are formed from an elastic material and are provided to cover inner surfaces of the stationary and rotary containers respectively, and a stopper is mounted in the lining of the rotary container at a position in the vicinity of an outer circumferential edge of the rotary container. The stopper is effective to restrain expansive deformation of the lining of the rotary container due to thermal expansion. The stopper circumferentially rises from a base of the rotary container. The stopper member is detachably attached relative to the base of the rotary container.

Barrel finishing machine

A method of and an apparatus for removing any burrs or other undesired defects from a workpiece having a bore therein is disclosed. Specifically, those burrs or other defects that are to be removed may be present on the marginal edge or interior of the bore. The method and apparatus are specfically designed to allow a rotary tool to meet the specific relationship requirements between the number of revolution (n) and number of reciprocating motions (N), i.e., 1/3.ltoreq.n/N.ltoreq.1, when the rotary tool travels forward and backward within its specific stroke range.

Apparatus for removing burrs from workpieces

A method of and an apparatus for removing any burrs or other undesired defects from a workpiece having a bore therein is disclosed. Specifically, those burrs or other defects that are to be removed may be present on the marginal edge or interior of the bore. The method and apparatus are specifically designed to allow a rotary tool to meet the specific relationship requirements between the number of revolutions (n) and number of reciprocating motions (N), i.e., 1/3.ltoreq.n/M.ltoreq.1, when the rotary tool travels forward and backward within its specific stroke range.

Method for removing burrs from workpieces

A full-automatic multi-function workpiece finishing machine provides different types of operations that can be caused to occur in any sequence that meets the requirements for a particular type of workpieces to be surface-finished. The machine includes a series of individual operational or functional units which are controlled by a computer-based sequence controller. The sequences of the different types of operations may be identified by unique code numbers which are entered into the computer from the terminal keyboard or by reading them by any optical or other means.

Full-automatic multi-function barrel finishing machine

A method consists of causing a barrel container to revolve with less than the numbers of axial and orbital revolutions n and N defined as n=42.2/.sqroot.d x.sup.4 .sqroot.1+x.sup.2, where n is the number of axial revolutions per minute for the barrel container, x is ratio of the centrifugal force produced and the gravity, equal to o&lt;x.ltoreq.1, d is the diameter of the inscribed circle of said barrel container; and N=42.2/.sqroot.D, where N is the number of revolutions per minute and D is the distance, in meter, twice value from the revolving axis and rotating one; and causing a resultant force substantially equal to 1G&lt;Y.ltoreq..sqroot.2G where Y is defined as the resultant force to be produced by the centrifugal force combined with the gravity action and given to the mass within the barrel container. The method provides a heavy resultant force that is composed of the produced centrifugal force component and gravity action component, under which the workpieces can be finished with the higher efficiency. Various types of workpiece finishing are available on a single machine implemented on the method, by making use of a programmable sequence controller.

Rotating barrel finishing method under heavy resultant force

In a gyrofinishing machine, each of the gyratory shafts for holding individual works is controlled by the combination of rack and pinion and the crank mechanism for driving the rack and pinion combination so that the particular part of a work held by the corresponding gyratory shaft can be exposed for the longer time to the abrasive media used for finishing the work, and the gyratory shaft can be stopped at the particular position with high accuracy.

Driving apparatus for work holding shafts in gyrofinishing machine

A high-speed work finishing machine includes a plurality of work finishing units each supported by a high-speed turret for carrying barrel containers to be driven for both orbital and axial rotations. It further includes a circulating transport path for carrying a barrel container from the unloading location where it is to be demounted from a work finishing unit to the loading location where it is to be mounted to the same unit, and various means disposed along the circular transport path between the unloading and loading locations, those means involving the handling of a barrel container and/or the works and abrasive media under the control of a central programmable sequential controller.

Full-automatic work finishing machine with high-speed rotating barrel

In the centrifugal barrel finishing machine of the type having X barrel assemblies, in which X is an integer, a method finishing workpieces whereby during a given total finishing time Y of the workpieces, each succeeding assembly containing finished workpieces is to be replaced with another assembly containing unfinished workpieces at the end of each time interval of Y/X. The workpieces in each succeeding assembly are finished X number of times each of which is for a duration of time equal to Y/X. In this way, the workpieces in each succeeding assembly can be replaced with workpieces to be finished as the finishing in the preceding unit has been completed, thereby permitting a continuous finishing process and barrel assembly replacement for each succeeding assembly without the need for exchanging the mass in all the barrel assemblies at the same time.

Growing community of inventors

Nagoya, Japan

Hisamine Kobayashi