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JP01164504 |
PURPOSE: To change a tool head with a simple operation by forming a screw thread in the end of a bolt that supports the tool head and a conical member and providing a means to apply the angular moment of transmitted axial pressure to the...
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JP01073046 |
PURPOSE: To obtain a cermet reamer excellent in wear resistance and deposition resistance and having high finished surface accuracy and long service life, by providing a structure which is composed of a hard dispersed phase of the carbid...
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JP64002815 |
PURPOSE: To aim at a stabilized reamer processing by forming a nick on a cutting edge land with its left side inclining downward and its right side inclining upward against the axis at the top of the reamer after dividing unequally, usin...
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JP64002816 |
PURPOSE: To aim at a stabilized reamer processing by forming a nick on a cutting edge land with its left side inclining downward and its right side inclining upward against the axis at the top of the reamer after dividing equally, using ...
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JP63278711 |
PURPOSE: To prevent increase of frictional progress of a margin part compared with that of a cutting blade, by a method wherein a rigid layer, e.g. TiC, TiN, TiCN, is formed on the margin part of a tool body, and the diameter on a rotati...
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JP63267111 |
PURPOSE: To aim at reduction in the number of manhour by clamping each of both inner and outer chamfering cutters to a holder at the opposite side to the center of a pipe so as not to make each cutting resistance of these inner and outer...
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JP63134104 |
PURPOSE: To neatly chamfer a crossing hole, by setting an attitude of a chamfering tool and a position of the crossing hole so as to obtain a predetermined correlation further synchronizing a rotary motion of the chamfering tool with the...
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JP63099123 |
PURPOSE: To make is possible to prevent a drill section from being broken, by forming cutting edges formed in grooves and chisel cutting edges formed in a thick core part by thinning in straight line-like shapes, respectively, and by set...
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JP63093520 |
PURPOSE: To perform accurate boring and finish machining by forming a U-shaped recessed auxiliary groove on the center side of the heel face of the blade section of a drill section in a reamer having the drill section at the tip section ...
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JP63093519 |
PURPOSE: To prevent a chatter of a tool main body from occurring and improve the accuracy of a hole and the surface roughness by separating multiple cutting blades on the tool main body in the peripheral direction so that the correspondi...
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JP63062610 |
PURPOSE: To cut off a burr without remaining portions not cut, by rotating a reamer having a cutting portion comprising a taper portion and a portion of the same diameter in a substantial vertical posture to cause the tape portion to be ...
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JP63047015 |
PURPOSE: To increase the roughness of the finished surface and enhance the processing accuracy by setting the twisting angle of at least one of the cutting edges to a value different from the twisting angle of the other cutting edges, an...
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JP63047016 |
PURPOSE: To increase the roughness of a finished surface by setting the twisting angle of at least a portion committing the current machining of at least one of the cutting edges to an angle value which is different from the twisting ang...
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JP62246416 |
PURPOSE: To enable high-speed cutting and shorten cutting time by engraving oil grooves on the shank part of a cutting tool such as a ceramic reamer, a ceramic drill and a ceramic end milling cutter. CONSTITUTION: In the reamer of sinter...
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JP62224518 |
PURPOSE: To finish the outer bore of an axis to high precision and with less surface roughness, and enable cost reduction by providing a cutter extended from one end to the other of the internal surface of a cylindrical tool proper in a ...
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JP62188613 |
PURPOSE: To prevent a guide part from being worn out earlier than a cutting edge part as well as to make improvements in accuracy of bore finishing and tool service life, by using a superhigh pressure sintered body for both these cutting...
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JP62054615 |
PURPOSE: To remove burrs without cutting a portion other than these burrs, by using a reamer type cutter being floatable in the direction orthogonalized with an axial center and coming into contact with a deburring forming part, and maki...
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JP62054616 |
PURPOSE: To shift a cutter after a product all the time in deburring operations as well as to prevent it from biting into the product, by setting a cutter rectangular relief angle to an almost zero degree and a cutting angle to a range o...
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JP61249209 |
PURPOSE: To prevent catching of a product in burr removing work by specifying a right relief angle of at least one edge on its back portion, in a reamer having plural edges. CONSTITUTION: 6 edges are formed on the side face of a burr rem...
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JP61219517 |
PURPOSE: To adjust the diameter of a reamer with high accuracy by axially compressing a helical reamer body by means of an internally provided long screw and increasing its outside diameter in an abrasive grain reamer used in reaming a s...
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JP61100306 |
PURPOSE: To enhance the accuracy of a drilled hole, by providing such an arrangement that a drilling tool serving as both drill and reamer is formed with reaming edge in the section in the rear, in the rotational direction, of each drill...
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JP61033807 |
PURPOSE: To obtain a rotary cutting tool provided with a hard coating layer having high adhesive strength by covering the cutting edge part of a tool with a hard coating layer formed through physical vacuum evaporation process via a disp...
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JP61030317 |
PURPOSE: To enable sure deburring without accumulating removed burr in a groove between cutting edges, by setting the edge-perpendicular relief angle and axis-perpendicular rake angle of a reamer at about 0° and 15W75°, respectively, a...
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JP61014809 |
PURPOSE: To guide a chip to be naturally detached from a face of a cutting edge in a cutter and improve its sharpness, by constituting the cutting edge such that its face is formed in a protrusively curved circular arc-shape providing th...
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JP61004610 |
PURPOSE: To perform at a time the processes of rough drilling and finishing for drilling with precise dimension by making at least one cutting edge of three cutting edge portions different from the other cutting edges in the cutting angl...
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JP61004612 |
PURPOSE: To unify the rough hole working and finishing processes and further improve the inclusion of drill into a blank surface with relief grooves for accurate drilling by forming alternatively rough cutting edges for forming the rough...
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JP61004611 |
PURPOSE: To simplify the rough hole forming and finishing processes into a single process by forming a rough cutting edge for forming a rough hole and a finishing cutting edge for drill reamer working alternatively on a drill reamer body...
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JP60123208 |
PURPOSE: To remove chips from a hose end with certainly, by closing a more inward part than a reworking area with a cock made of an elastic material, while pulling out this cock after the working is over. CONSTITUTION: A cock 2 consists ...
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JP60090623 |
PURPOSE: To permit stable cutting even with a small diameter tool by fixedly attaching a plurality of hard sintered tips such that the direction of thickness coincides with the radial direction of a main body and the circumferential surf...
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JP60039018 |
PURPOSE: To improve those of roundness, cylindricality, surface roughness and dimensional accuracy in a hole, by installing a broad front guide in a shunk tip while a pocket in a tip at the rear, respectively. CONSTITUTION: Both front an...
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JP59187421 |
PURPOSE: To decrease a drilling time and improve work efficiency, by forming a drill edge and a reamer edge in peculiar construction and increasing a feed speed per one revolution, in the case of a drill reamer of spiral groove type. CON...
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JP59152011 |
PURPOSE: To improve particularly the accuracy in out-of-roundness of a reamer for a blind hole by providing three lands on the reamer two of which are used for guide. CONSTITUTION: One 4 of three lands 4-6 are used for cutting edge and t...
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JP59152012 |
PURPOSE: To improve particularly accuracy in out-of-roundness of a reamer for through holes by providing three lands on the reamer two of which are used for guide. CONSTITUTION: A land 4 of three lands 4, 5, 6 on a reamer 1 is used for c...
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JP59102524 |
PURPOSE: To make it possible to precisely insert a reamer in a predrilled hole, concentrically therewith, so that the accuracy of a dimension between axes of holes may be enhanced without the necessity of skill and jigs, by forming, at t...
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JP59047119 |
PURPOSE: To equip a reamer with such factors to be required as dimensional accuracy, roundness, etc. by giving its minor diameter edge a function to carry out machining with good cutting performance and the major diameter edge, with good...
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JP58223519 |
PURPOSE: To carry out the finishing of the inner and outer peripheral surfaces of the cylindrical end of a cylindrical molding and as well the finishing of the end face of the article, by a chamfering cutter, simultaneously. CONSTITUTION...
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JP58181508 |
PURPOSE: To perform high accurate hole drilling with accurate surface finish in a short time, by properly selecting a diameter of a reamer part in a combination drill. CONSTITUTION: Reamer parts R1, R2 are equipped with reamer edges 11 a...
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JP58137521 |
PURPOSE: To perform good chamfering action of a chamfer edge to a machined area in the reverse side of a work, by tapering a reamer land formed with longitudinal cutting blades to spread a diameter to a shank side and forming the chamfer...
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JP58056719 |
PURPOSE: To obtain a hole having a very fine finished surface roughness in one step, by forming chip discharging grooves of reamer and drill parts into a sprial shape in the same direction, and as well by forming a reamer edge having a s...
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JP58045816 |
PURPOSE: To reduce wear in the peripheral edge of the outlet part of a discharged hole in a spinneret by coating a thin TiN film on the outer surface of at least the forward end of a reamer tool made of hard metal alloy. CONSTITUTION: Ti...
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JP58045804 |
PURPOSE: To obviate the occurrence of cutting scratches, burrs, etc., as well as to secure a highly accurate finishing surface, by setting exclusive backward boring stationary cutters to at least three grooves among slit grooves of a mul...
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JP58010421 |
PURPOSE: To enhance the effective shock withstandability, economy and the dimensional limitation of the sintered material by limiting the high hardness sintered material to the edge portion having the real working diameter and the front ...
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JP57194806 |
PURPOSE: To obtain the internal circumference of a bore, of which accuracy of finished surface is high, even when a spindle is fed in high speed, by providing multi-edges to a cutting edge part, in the titled tool having fixed edges whic...
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JP57184634 |
PURPOSE: To upgrade machining accuracy and efficiency by boring small holes with a tool provided with an electric discharge machining electrode for required sectional configuration and a broach machining tool which is placed above the el...
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JP57007336 |
PURPOSE: To cut a tapered blanked hole with an upper blade and to make the shape of the hole straight by providing the cutting blade in the upper part of a punching tool which moves straightforward vertically. CONSTITUTION: A work pieces...
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JP56157919 |
PURPOSE: To perform grinding work for the above described tool having edge grooves of equal helical and unequal lead angle, by simultaneously controlling three axes of X, Y, Z with a numerical control device. CONSTITUTION: The principal ...
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JP56114668 |
PURPOSE: To perforate accurately both hard and friable materials such as a super hard alloy, cermet and the like as well as to keep constant peripheral speed of an adjustable reamer by uniting, with a bonding agent, abrasive particles of...
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JP56095526 |
PURPOSE: To obtain a boring reamer of rich durability at low price by using partially an expensive high hard material. CONSTITUTION: An edge part 1 to perform a cutting work is installed at the point of a handle part 2. The edge part 1 i...
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JP56095528 |
PURPOSE: To efficiently perform a very exact, precise and beautiful cutting work (including a surface finishing) by a method wherein hard grinding grains such as CNB or a diamond grinding grain are attached to an end mill edge and a ream...
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JP56095529 |
PURPOSE: To perform a reamer working efficiently, exactly, precisely and beautifully by a method wherein an indentation is formed in a twisted edge and a high hard piece is inserted into this indentation and it is fixed by brazing, etc. ...
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