148results about "Adverse effect compensation" patented technology

A cutting tool includes: a cutting edge configured on an intersecting line of a rake surface and a flank; a breaker wall formed inside the cutting edge and protruding above the cutting tool; a boss part including a boss surface formed above the breaker wall; and a plurality of recessed parts formed in the boss part so as to extend toward the cutting edge. The width of the breaker wall in a direction in which the cutting edge extends along an intersecting line (including a virtual intersecting line or a virtual extension of the intersecting line) of the boss surface and the breaker wall, is greater than the width of a groove formed by the recessed part along the same intersecting line.

A rotary cutting tool comprising a tool body (2) and a cutting head (30) with a coupling portion (31) receivable between axially projecting coupling legs (12) on the tool body. Each coupling leg has a torque transfer surface (15), which is configured to abut against a corresponding torque surface (35) on the cutting head in order to transfer torque from the tool body to the cutting head. Each one of said torque surfaces (35) on the cutting head is convex as seen in any plane that is perpendicular to the centre axis (C2) of the cutting head and extends across the torque surface (35), and / or the torque transfer surface (15) on each one of said coupling legs is convex as seen in any plane that is perpendicular to the centre axis (C1) of the tool body (2) and extends across the torque transfer surface (15).

A boring head arranged for holding a boring tool for metal cutting includes a main body having a support surface and a scale surface. The boring head further includes a piston including a boring tool interface for fixedly carrying the boring tool. The piston is movably arranged in the main body along the positioning axis (y), and a micrometer screw. The micrometer screw is arranged in the main body and coupled to the piston, such that, when the micrometer screw is rotated, the piston is moved along the positioning axis to one of the protracted positions or the retracted position. The micrometer screw has a head abutting against the support surface. The head includes a radially outer head surface provided with first graduation marks. The scale surface is provided with second graduation marks aligned with the first graduation marks to provide a reading of the axial position of the piston.

A cutting tool includes: a cutting edge configured on an intersecting line of a rake surface and a flank; a breaker wall formed inside the cutting edge and protruding above the cutting tool; a boss part including a boss surface formed above the breaker wall; and a plurality of recessed parts formed in the boss part so as to extend toward the cutting edge. The width of the breaker wall in a direction in which the cutting edge extends along an intersecting line (including a virtual intersecting line or a virtual extension of the intersecting line) of the boss surface and the breaker wall, is greater than the width of a groove formed by the recessed part along the same intersecting line.

A cutting insert in an aspect of the present disclosure has a cutting part. The cutting part has a first surface, a second surface, a third surface located between the first surface and the second surface, and a flow path extending from the first surface toward the second surface. The flow path has an outflow port opening into the first surface, and a first flow path extending from the outflow port toward the second surface. In a first cross section that passes through a central axis of the first flow path and is orthogonal to the first surface, a width of the first flow path in a direction parallel to the first surface increases as going away from the first surface.

Provided is a turning apparatus with MQL based on magnetic circulation and ultrasound-assisted infiltration, comprising a turning tool fixed with 2D ultrasonic auxiliary device; a magnetic circulation nozzle and magnetic circulation recycling nozzle arranged on both sides of turning tool; lubricant channels respectively provided inside magnetic circulation nozzle and magnetic circulation recycling nozzle; magnets arranged on peripheries of lubricant channels; polarities of ends of magnets on the two nozzles facing to turning tool are opposite; lubricant channel of magnetic circulation nozzle is connected to one end of first flexible pipe, and another end is connected to lubricant canister after passing through peristaltic pump; one end of second flexible pipe is connected to the peristaltic pump, and another end is connected to a filtering mechanism; one end of third flexible pipe is connected to the magnetic circulation recycling nozzle, and another end is connected to liquid inlet of filtering mechanism.

A rotary cutting method includes producing a processed product by rotary cutting of a workpiece by a rotary tool. The rotary tool has at least one cutting edge of which both of a first rake angle in a rotation radial direction and a second rake angle in a rotation axis direction are negative. The at least one cutting edge has a slanted face connected with a rake face forming the first and second rake angles. The slanted face is connected with the rake face at a ridge line. The slanted face faces a rotating direction of the rotary tool. An angle of the slanted face to the rotation axis direction is positive.

A rotary tool (1, 1a, 1b), comprising: a base (3) which has a rod shape and extends along an axis of rotation (X) from a first end (3a) to a second end (3b), where the base (3) a cutting part (5) arranged to have the first end (3a), a shaft part (7) which is arranged closer to one side of the second end (3b) than the cutting part (5), and a flow path (9) that is arranged within the base (3) and extends along the axis of rotation (X), the cutting part (5) has an outer perimeter area (11), a first cutting edge (13) which is arranged from the first end (3a) in the direction of the outer circumferential surface (11), a first groove (15) extending helically from the first cutting edge (13) towards one side of the second end (3b), and a first ridge line (17) formed by the first groove (15) and the outer circumferential surface (11), which is adjacent to the first groove (15) on a rear side in a direction of rotation (Y) of the axis of rotation (X), the flow path (9) a main flow path (19) extending from one side of the second end (3b) to one side of the first end (3a), and a first secondary flow path (21) extending from the main flow path (19) towards one side of the second end (3b), the first secondary flow path (21) has a first opening (23) which leads into the first groove (15), a first angle (Θ1) formed by the axis of rotation (X) and the first sideflow path (21) is smaller than a skew angle (Θ2) formed by the axis of rotation (X) and the first crest line (17), and the first angle (Θ1) is set to 0 degrees to 25 degrees

A tool holder, for a tool assembly, comprising a tubular element having a cavity and a central axis; a damping mass arranged within the cavity and movable radially with respect to the central axis and relative to the tubular element; an adapter having a rear part fixed to the tubular element, and a front part for connection to an end effector of the tool assembly, the rear part comprising an opening, and the damping mass is at least partly received in the opening with a radial clearance; and an elastic element positioned between the adapter and the damping mass, the elastic element being arranged to support the damping mass and to damp radial vibrational movements of the damping mass relative to the tubular element, and the elastic element comprising a front surface substantially perpendicular to the central axis and a rear surface substantially perpendicular to the central axis.

The invention relates to a drilling method, in particular for a turbine shaft of an aircraft turbine engine, which method is implemented by a drilling machine (100) including a drill rod (8), a cutting tool (4) mounted on a free end of the drill rod, and an anti-vibration ring (10) positioned on the drill rod behind the cutting tool, the anti-vibration ring including a sleeve including a bore extending longitudinally coaxially between a front end and a rear end of the sleeve, as well as a first absorption means positioned in the bore and a second absorption means positioned on an outer circumference of the sleeve, the method including steps of: a) placing the anti-vibration ring on the drill rod near a free end of the drill rod; b) securing the cutting tool to the free end of the drill rod; c) drilling a bore to be made in the turbine shaft by pushing, during which the anti-vibration ring is inserted into an inlet (21) of the bore to be made.

The invention relates to a turning tool (1) comprising a tool body (2) having an insert seat (5) configured to receive a cutting insert (6a-c). The insert seat (5) comprises a bottom surface and a first side wall section (8a) and a second side wall section (8b), the bottom surface together with the first and second side wall sections defining a space for receiving the cutting insert. The insert holder (5) further comprises a rigid member (17) integrally formed by a first end portion (18a) thereof to an upper portion of the first side wall section (8a) and by a second end portion (18b) thereof to an upper portion of the second side wall section (8b), the side wall sections are arranged above the space so as to extend between the side wall sections above the space and are rigidly connected with the side wall sections. The invention also relates to a turning tool assembly comprising such a turning tool (1) and a cutting insert (6a-c).

A multi-part modular tool rotatable about a longitudinal tool axis (A), comprising: a machining head; a first holding element comprising a body elongated along the longitudinal axis (A) of the tool, in which a passage extends along the longitudinal axis (A) of the tool; a second holding element which can extend in the passage of the first holding element; wherein the machining head can be connected to the second holding element in such a way that the machining head is fixed firmly to the first holding element at least in the axial direction (A) and / or in the radial direction (R), and wherein the passage of the first holding element and the second holding element are adapted to one another such that during a connection process in which the machining head is connected to the second holding element, the second holding element is movable relative to the first holding element.

A cutting insert for a modular rotary cutting tool is disclosed. The cutting insert may include a shaft, an opposing insert centering surface, and a convex torque transmitting insert driving surface.

In order to improve the performance of supplying a cooling liquid to a cutting edge and further improve chip processing performance and durability performance, provided is a cutting tool comprising: a cutting edge (26) formed on the intersecting line of a rake face (22) and a flank face (24); a chip breaker wall (28) formed on the inner side of the cutting edge (26) and protruding upward of the cutting tool; the boss part (30) comprises a boss surface (32) formed above the chip breaker groove wall (28); and a plurality of recesses (36) formed in the boss (30) and extending toward the cutting edge (26). The width (W28) of the cutting edge (26) of the breaker wall (28) in the direction of extension of a line (L1) of intersection of the boss surface (32) and the breaker wall (28) (including a virtual intersection line or a virtual extension line of the intersection line) is wider than the width (W38) of a groove (38) formed by the recess (36) on the intersection line (L1).

A machine tool, includes: a frame; a hollow ram disposed on the frame in a reciprocable manner; a hollow spindle rotatably supported by the ram, the spindle including a spindle hole located at a distal end, and a spline hole located at a basal end; a guide block disposed in the spindle and having a guide hole extending along a center axis of the spindle; and a spindle drive shaft rotatably supported by the frame, the spindle drive shaft including a spline shaft that engages with the spline hole, and a support shaft disposed at a distal end of the spline shaft to be guided in sliding contact with the guide hole.

A two-hole core drilling machine of the invention includes a body, a vertically reciprocating carriage vertically reciprocably mounted to the body, a fixing plate coupled to one side surface of the carriage, to rotatably support a drive shaft of a motor, a pivoting plate fastened to the fixing plate under a condition that a pivot angle of the pivoting plate is changed, a moving plate fastened to the pivoting plate under a condition that a length of the moving plate from the pivoting plate is varied, a belt or chain mounted between a drive pulley coupled to the drive shaft and a driven pulley coupled to a driven shaft rotatably mounted to the moving plate, a first core bit coupled to the drive shaft, and a second core bit coupled to the driven shaft.

The invention relates to a device for cooling a tool, which device comprises a main body, a contact element, and at least one inlet into the main body and an outlet out of the main body, wherein the inlet and the outlet are interconnected by one or more inner channel(s) in the main body, and the device can be connected to the tool in such a way that the contact element is in contact with the tool, and the one or more inner channel(s) is / are designed to conduct a cooling fluid. One or more inner channels comprise(s) a contact portion, the contact portion being in contact with the contact element, and the contact portion comprising multiple flow-guiding elements which are designed in such a way that they locally increase the turbulence and the flow rate of the cooling fluid through the contact portion. The invention also relates to a system comprising the device and the tool, and to a cooling method using the system.

A machining tool has a main body with a carrier surface. Cutting bodies each having a cutting edge are arranged on the carrier surface, the edges rotating in a direction of rotation which runs around an axis of rotation during the machining. The edges of a group including a plurality of cutting bodies overlap in a gapless manner with respect to the direction perpendicular to the direction of rotation and form an overall edge. All of the edges are arranged between end points of the overall edge. The group has a minimum number of teeth defined by the number of edges at least situated one behind the other in the direction of rotation in an intermediate region of the overall edge. The edges of the group overlap with respect to the direction perpendicular to the direction of rotation such that the minimum number of teeth is at least two.

By accurately inspecting and measuring (correcting) the relative position of the protrusions to the cutting edge, it becomes easier to position them appropriately, and by devising the arrangement of the protrusions, chip evacuation performance is improved regardless of the insert shape. [Solution] A cutting tool comprising an upper surface 10, a lower surface, a side surface, a cutting edge 60 including a pair of main cutting edges 61 and a corner cutting edge 62, a first upper surface 11 and a second upper surface 12, an inclined surface 40, a groove 70 provided on the second upper surface 12, and a first projection 41 and a second projection 42 provided so as to protrude from the inclined surface 40. The first projection 41 extends along the extension line 70eL of the groove 70, and the second projection 42 is positioned symmetrically with respect to the extension line 70eL. At the intersection point P1 of the corner cutting edge 62 and the bisector Ba in a top view, if the distances from the imaginary line VL that intersects the bisector Ba perpendicularly to the tip 41t of the first projection 41 and the tip 42t of the second projection 42 are L1 and L2, respectively, then L1

The present invention discloses an insert adaptor for parting off having an adaptor index axis and comprising: parallel and planar adaptor first and second sides connected by an adaptor peripheral surface which extends peripherally around the adaptor; the adaptor index axis extending through the center of the first and second sides; wherein the adaptor peripheral surface is formed with a plurality of pockets which are configured for resilient clamping and bearing surfaces extending between the pockets; characterized in that: the insert adaptor has a material volume of greater than 50% of an imaginary cylinder encompassing the insert adapter; and each of the bearing surfaces are straight.

The anti-vibration device (10) for the machining of a shaft (30) comprises a first fixed ring intended to be kept inside a shaft (30) by means of a shoulder (17), said anti-vibration device comprising: • at least one first external groove (12) and at least one first external seal (121) for forming at least one contact with the internal surface of the shaft (30); • at least one first internal circumferential groove (11) and at least one first internal seal (110) for forming at least one contact with the external surface of the bar (30); • an internal circumferential cavity (18) that is able to cause the circulation of a fluid (122) arriving through a first duct (14, 16) and leaving through a second duct (13, 15), said first duct (14, 16) and second duct (13, 15) passing through the radial thickness of the anti-vibration device (10), the internal circumferential cavity (18) making it possible to realize a vibration-damping function when a fluid (122) passes through it.

What is provided is a modular cutting tool (1; 40) with a base body (2) extending along a tool axis and a tool head (3) connected via a positive coupling to the base body (2), wherein the positive coupling is formed from front toothings (4), which are engaged with one another, on the base body (2) and tool head (3), which each have a plurality of radially running teeth (5), which are distributed equidistantly around the tool axis. For each front toothing (4) the tip surfaces (7) of the teeth (5) lie on a virtual inner conical surface in the tool head (3) or base body (2) with the tool axis as cone axis, and the tip surfaces (7) of the teeth (5) are rounded concavely.

A drill bit having roughness areas in a flute to reduce debris clogging in the flute during drilling, reduce temperatures of the drill bit and material being drilled, and lubricate the drill bit during drilling among other features. The drill bit is useful to drill in many unique materials including mammalian bone to reduce or eliminate bone chips occluding the flute. The roughness areas evacuate the bone chips quickly and efficiently and generate a low temperature of the drill bit and drilled material.

In order to easily disposed a projection by accurately inspecting and measuring (correcting) a position of the projection relative to the cutting edge, and to improve the chip control regardless the insert shape by optimizing the disposition of the projection, the present invention provides a cutting tool including: an upper surface; a lower surface; a side surface; a cutting edge including a pair of major cutting edges and a corner cutting edge; a first upper surface; a second upper surface; an inclined surface; a groove disposed in the second upper surface; and a first projection and a second projection which are formed to be projected from the inclined surface. The first projection extends on the groove along the extended line, and the second projection is disposed to be linearly symmetric with respect to the extended line. At an intersection between the corner cutting edge and the bisector in a top view, L1 < L2 is established, where L1 is a distance from a virtual line intersecting perpendicularly to the bisector to a leading end of the first projection, and L2 is a distance from the virtual line to a leading end of the second projection.

A micro internal boring tool includes two to four shank flat surfaces and two to four integrally formed teeth. The outermost point of the cutting edge of the tooth defines an outer cutting diameter (OD) satisfying the condition: 2 mmlt; oDlt; 9 mm.

A cutting insert for a modular rotary cutting tool is disclosed. The cutting insert can comprise a shank, opposing insert centering surfaces, and convex torque transmission insert drive surfaces.

A computer-implemented system, method, and medium of automated milling machine calibration includes receiving a 3D virtual calibration design comprising one or more designed indented regions and a designed curved region; milling the 3D virtual calibration design into a physical block to provide a 3D physical milled calibration block; receiving a 3D virtual calibration scan block of the 3D physical milled calibration block; and determining one or more calibration parameters from the 3D virtual calibration scan block.

A nozzle (10) for providing a coolant fluid to a cutting edge of a metal cutting tool (1) and such a metal cutting tool (1), wherein the nozzle (10) comprises: - at least one internal inlet coolant channel (16 1i ; 16 2i ), - at least one internal outlet coolant channel (17 1i ; 17 2i ), wherein - the at least one internal inlet coolant channel (16 1i ; 16 2i ) is connected to a coolant inlet (18), and - the at least one internal outlet coolant channel (17 1i ; 17 2i ) is connected to a coolant outlet (19 1i ; 19 2i ) for guiding the coolant fluid to the cutting edge, wherein the nozzle (10) further comprises - a plenum (201; 202) comprising - at least one inlet opening (21 1i ; 21 2i ) connecting the at least one internal inlet coolant channel (16 1i ; 16 2i ) and the plenum (201; 202), and - at least one outlet opening (22 1i ; 22 2i ) connecting the at least one internal outlet channel (17 1i ; 17 2i ) and the plenum (201; 202), wherein - each of the at least one inlet opening (21 1i ; 21 2i ) has a cross-sectional area Ai, and - each of the at least one outlet opening (22 1i ; 22 2i ) has a cross-sectional area A2 I , wherein - wherein i is an integer, n is the number of inlet openings, and m is the number of outlet openings.