56results about "Milling tools" patented technology

The invention relates to the technical field of part machining, and discloses a multi-station anti-vibration cutter stabilizing mechanism for carbon fiber part machining, which comprises a cutter chuck arranged on machining equipment; the milling cutter is used for machining parts; and the clamping mechanism is arranged on the cutter chuck and used for stably clamping the milling cutter, the clamping mechanism comprises a hollow sleeving ring, and the hollow sleeving ring axially moves after rotating. According to the multi-station anti-vibration cutter stabilizing mechanism for machining the carbon fiber parts, the positioning mechanism is arranged, and an axial hard positioning structure capable of being locked is arranged at the end of a milling cutter, so that end mechanical jacking and position locking are synchronously achieved after radial clamping of the cutter is completed, and the overall axial supporting rigidity of the cutter is remarkably improved; axial micro-motion and chatter caused by axial cutting force change and multi-station frequent reversing in the carbon fiber machining process are effectively restrained, and the quality defects such as layering and chatter marks on the machined surface are avoided.

A method of manufacturing a part with a plurality of cut segments includes receiving a sheet of material with a machining apparatus and removing material during one or more first passes with the machining apparatus to form a plurality of segments in the sheet of material. The method also includes forming a tab by removing material during the one or more first passes with the machining apparatus for forming the segments, the tab connecting two segments within the sheet of material to each other and removing material with the machining apparatus to form joints on the segments.

A cutting insert (1) comprising: a basic body (3), comprising a first area (9), a second surface (11) which is arranged on one of the sides opposite the first surface (9), a first side surface (13) which is connected to the first surface (9) and the second surface (11), a second side surface (15) connected to the first surface (9), the second surface (11) and the first side surface (13), a first recess (17) which leads into the first surface (9), the first side surface (13) and the second side surface (15), and a second recess (19) which leads into the second surface (11), the first side surface (13) and the second side surface (15), a first part (5) with a triangular plate shape, which is arranged in the first recess (17) and has a first cutting edge (21) which is arranged at an intersection of two adjacent surfaces, and a second part (7) with a triangular plate shape, which is arranged in the second recess (19) and has a second cutting edge (23) which is arranged at an intersection of two adjacent surfaces, wherein the first recess (17) has a first floor surface (25) which is arranged away from the first surface (9), a first wall surface (27) which is arranged between the first floor surface (25) and the first surface (9), and a first valley line (29) which is located at an intersection of the first floor surface (25) and the first wall surface (27), the second recess (19) a second floor surface (31) which is arranged away from the second surface (11), a second wall surface (33) which is arranged between the second floor surface (31) and the second surface (11), and a second valley line (35) which is located at an intersection of the second floor surface (31) and the second wall surface (33), and where the first valley line (29) intersects the second valley line (35) in a perspective view onto the first surface (9).

The present invention relates to a tool (100) for machining a workpiece (200). The tool (100) comprises a surface (110) at least partially covered by a wear-resistant coating (120) deposited by PVD. The wear-resistant coating (120) comprises one or more wear-resistant layers (121, 122). The coating has an elastic modulus E of 300 GPa≦E<350 GPa and a hardness H of more than 30 GPa.

A method of manufacturing a part with a plurality of cut segments includes receiving a sheet of material with a machining apparatus and removing material during one or more first passes with the machining apparatus to form a plurality of segments in the sheet of material. The method also includes forming a tab by removing material during the one or more first passes with the machining apparatus for forming the segments, the tab connecting two segments within the sheet of material to each other and removing material with the machining apparatus to form joints on the segments.

A tool main body to which an insert is attachable, in which the tool main body is made of sintered metal material, and the sintered metal material includes a parent phase made of a metal and a plurality of pores present in the parent phase.

The invention relates to a tool (1, 3) for machining a brittle material, in particular glass, hard metal, monocrystalline silicon, and / or ceramic, with - an imaginary central axis (5), - a processing end (7), - a clamping end (9) opposite the end of the machining (7), and - a plurality of cutting edges (11), wherein - the majority of cutting edges (11) in the area of ​​the machining end (7) run along an imaginary cutting edge path (13), wherein - each pair of cutting edges (11) of the plurality of cutting edges (11) are spaced apart from each other by a cutting edge interruption (15) at an interruption position along the imaginary cutting edge path (13), wherein - the imagined cutting edge path (13) has a total length (17), wherein - each cutting edge (11) of the plurality of cutting edges (11) has a cutting edge length (19), and wherein - a ratio of the sum of the cutting edge lengths (19) to the total length (17) is less than 1 and - each cutting edge length (19) is shorter than 1.5 mm.

The invention relates to a tool holder device, a method and a tool for operating an object, in particular for single point diamond turning (SPDT). A tool holder apparatus generally includes: a tool holder including: a base; a tool support extending from the base; a seat for a tool, the seat being provided on the tool support wherein the tool is positionable in the seat in use; a sensor device configured, in use, to generate an electrical measurement signal representing at least or associated with at least a force applied to the tool; and a piezoelectric actuator arrangement comprising at least one piezoelectric actuator, the at least one piezoelectric actuator being operably connected to the tool support, the at least one piezoelectric actuator is configured to, in use, displace the tool support, or at least a portion thereof, in response to receiving a suitable electrical control signal, thereby maintaining, in use, a desired force applied to the tool.

The design aims to minimize chip trapping between a cutting insert and a bearing surface of a pocket during insert replacement. The pocket comprises a bearing surface, a first connecting surface facing a first main side surface of the cutting insert, a second connecting surface facing a second main side surface of the cutting insert, and a surface recess section located between the first and second connecting surfaces and facing a corner side surface of the cutting insert. A coolant channel includes a first opening section that opens towards the surface recess section.

A cutting tool, including a silicon nitride (Si3N4) ceramic substrate, and a diamond film coated on the surface of the Si3N4 ceramic substrate. The diamond film has a thickness of 7-12 μm. The cutting tool includes a tool nose, a blade, and a handle. The blade has a rake angle γ of 5-15°, a clearance angle α of 10-14°, and a helix angle of 15-45°. The blade includes four cutting edges.

The invention relates to a coating for coating a cutting tool and a preparation method thereof.The coating for coating the cutting tool comprises a first film layer, a second film layer and a third film layer which are sequentially arranged in a stacked mode in the direction away from the cutting tool; the first film layer comprises a plurality of A1 layers and A2 layers which are alternately stacked, the A1 layers comprise Al < 1-a > CraN, a is larger than or equal to 0.3 and smaller than or equal to 0.5, the A2 layers comprise Al < 1-b > TibN, and b is larger than or equal to 0.33 and smaller than or equal to 0.5; the second film layer comprises a plurality of B1 layers and B2 layers which are alternately stacked, the B1 layers comprise Al < 1-a > CraN, a is larger than or equal to 0.3 and smaller than or equal to 0.5, the B2 layers comprise Ti < 1-c > SicN, c is larger than or equal to 0.05 and smaller than or equal to 0.25, and the B1 layers make contact with the first film layer; the third film layer comprises Ti1-cSicN, and c is more than or equal to 0.05 and less than or equal to 0.25; the thickness of the first film layer is T1, the thickness of the second film layer is T2, the thickness of the third film layer is T3, and T2 > T1 > T3. According to the coating provided by the invention, the interface bonding force between internal film layers is high, the stress matching between the layers is good, and the overall toughness of the coating is high.

Provided is a coated cutting tool in which a surface of a substrate is coated with a hard coating film. The hard coating film includes: a layer (A) disposed on the surface of the substrate, and having a face-centered cubic lattice structure, in which the total content ratio of W and Ti is at least 85 atomic%, and which contains W as the most abundant element and Ti as the next most abundant element among metal (including metalloid) elements; and a layer (B) disposed on the layer (A) and having a face-centered cubic lattice structure, which is composed of nitrides or carbonitrides containing Al, Cr, and Si, and in which, among metal (including metalloid) elements, the Al content ratio is at least 50 atomic%, the total content ratio of Al and Cr is at least 85 atomic%, and the Si content ratio is 4 to 15 atomic%.

An end mill includes a cutting edge portion, a shank, a bottom cutting edge located on a tip surface of the cutting edge portion, and a peripheral cutting edge located on an outer peripheral surface of the cutting edge portion, the bottom cutting edge has a bottom cutting edge outer peripheral portion that extends from an outer peripheral end of the bottom cutting edge to the shank side at an inclination angle of 3° or less, a flank angle of a bottom cutting edge outer peripheral portion primary flank face adjacent to the bottom cutting edge outer peripheral portion is larger than a flank angle of a peripheral cutting edge primary flank face adjacent to the peripheral cutting edge, and a width of the bottom cutting edge outer peripheral portion primary flank face is larger than a width of the peripheral cutting edge primary flank face.

[Solution to the Problem] An end mill (1) has a rod-shaped base material (2) made of cemented carbide. Two to four flutes (3) extend along on a surface of the base material (2) with a helix angle (3a) of 0° to 45° relative to an axial direction of the base material (2). A normal cutting-edge groove (4) extends linearly between the flutes (3). A normal cutting-edge (11), which is a PCD tip (10), is disposed in the normal cutting-edge groove (4) and protrudes from the normal cutting-edge groove (4). A cutting-edge lead angle (11a) of the normal cutting-edge (11) is 15° to 55°. A reverse cutting-edge groove (5) is located farther from an end of the base material (2) than the normal cutting-edge groove (4) and extends linearly between the flutes (3). A reverse cutting-edge (12), which is a PCD tip (10), is disposed in the reverse cutting-edge groove (5) and protrudes from the reverse cutting-edge groove (5). A cutting-edge lead angle of the reverse cutting-edge (12) is -55° to -15°.

Coated cutting tool (4) comprising a carbide (1) and a coating layer (3) formed on the carbide (1), wherein the coated cutting tool (4) is arranged such that the coated cutting tool (4) has a rake face, a clearance face and a cutting edge line part which is located between the rake face and the clearance face, the coating layer (3) has a composite layer (2) which contains a compound with a composition represented by the following formula 1: (Al x Ti 1-x )N Formula 1, In formula 1, x represents the atomic ratio of elemental Al relative to the total of elemental Al and elemental Ti and satisfies 0.70 ≤ x ≤ 0.90. if the average thickness of the coating layer (3) in the cutting edge line part is expressed as T1 and the average thickness of the coating layer (3) in the rake face at a position 2 mm or more away from the cutting edge line part in the direction of the rake face is expressed as T2, T1 is 4.0 µm or more and 10.0 µm or less, T2 is 2.0 µm or more and 7.0 µm or less, and T2 < T1 is satisfied, and if the residual stress of the carbide (1) in the cutting edge line part is expressed as S1 and the residual stress of the carbide (1) in the rake face at a position 2 mm or more away from the cutting edge line part in the direction of the rake face is expressed as S2, S2 < S1 is satisfied.

The present invention relates to a tool blank (30) for a cutting tool (1), such as an end mill, drill or engraving tool, comprising a tool shank (2) adapted to be received in a rotary tool holder of a processing machine and a cutting head blank (3) fixedly connected to the tool shank (2). The cutting head blank (3) comprises a plurality of cutting head blank elements (5) which are fixedly connected to one another, preferably soldered to one another and made of a hard material, in particular polycrystalline diamond. Furthermore, the present invention relates to a cutting tool (1), such as an end mill, drill or engraving tool, in which at least one tool cutting edge (15) is generated in the tool blank (30) according to the invention, which extends over the plurality of fixedly interconnected cutting head blank elements (5). Furthermore, the present invention relates to a method for manufacturing a tool blank and a method for manufacturing a cutting tool.

This invention relates to a milling cutter (IPC classification: B23P15 / 34), and more particularly to a high-efficiency milling cutter for cutting titanium alloys and its preparation method. The main raw materials include: cobalt and carbides. The carbides, by weight, comprise: 50-60 parts tungsten carbide, 5-10 parts vanadium carbide, 5-10 parts chromium carbide, 10-20 parts titanium carbide, and 2-3 parts tantalum carbide. The high-efficiency milling cutter for cutting titanium alloys prepared by this invention exhibits excellent transverse fracture strength, hardness, and toughness. Its low surface roughness improves the performance of machining titanium alloys, enhances vibration resistance, and increases the service life of the milling cutter.

A method for producing a cutting tool is proposed, wherein the cutting tool has a tool body with a hard coating (2) and the hard coating (2) is applied to the tool body (1) at least in the region of a cutting edge (10, 14, 14a, 43), of a flank (5, 25, 45) and of a rake face (6, 26, 46). First of all, a hard coating (2) is applied to the workpiece on the surface of the tool body (1) of the cutting tool in the region of the cutting edge (3, 23, 43), of the flank (5, 25, 45) adjacent to the cutting edge (3, 23, 43), and of the rake face (6, 26, 46) adjacent to the cutting edge (3, 23, 43). Then, for sharpening the cutting edge, the hard coating on the flank is partially removed by means of laser machining in such a way that, for an angle (δ) between a first geometric plane (16, 36), in which the surface (9) of the tool body (1) situated below the hard coating (2) of the flank (5, 25, 45) extends, and a second geometric plane (18, 38), in which a surface (8, 28) of the hard coating (2) delimited by the sharpened cutting edge (10, 14, 43) extends in the region of the flank (5, 25, 45) after the removal operation, the following holds: 1° ≤ δ ≤ 70.

An end mill includes an end mill main body (1) which is rotated in around an axis O in an end mill rotation direction T, a chip discharge flute (4) which is formed on the outer periphery of a leading end portion of the end mill main body (1), and a cutting edge (5) which has a peripheral cutting edge (6) formed on the outer peripheral ridge portion of a wall surface of the chip discharge flute (4) facing the end mill rotation direction T. In the peripheral cutting edge (6), a cross section along the axis O of a rotation locus around the axis O has a convex curved shape which protrudes toward an outer peripheral side of the end mill main body (1). A curvature radius R of the convex curve is set to be larger than 1 / 2 of an outer diameter D of the cutting edge (5) and 3 times or less the outer diameter D. A helix angle β of the peripheral cutting edge (6) is 20 degree or more, and a radial rake angle of the peripheral cutting edge (6) is -20 degree or more and 0 degree or less.

In a diamond-coated tool provided with a blade which includes a base material and a diamond layer formed on the base material, when a length of the blade along an extending direction thereof is denoted by L, and a thickness of the diamond layer of the blade is measured at a total number of 11 points which are arranged from one end of the blade along the extending direction thereof and separated from each other at an interval of L / 10, the thickness is the same at all of the 11 points, or a ratio dmin / dmax between a minimum value dmin of the thickness and a maximum value dmax of the thickness is 0.7 or more and less than 1.

To provide methods and systems for secure connections in individual layer segments connected to each other from one end to the other end.SOLUTION: A method of manufacturing a part with a plurality of cut segments includes receiving a sheet of material with a machining apparatus, removing material with the machining apparatus to form a plurality of segments in the sheet of material, and forming complementary shapes in ends of two or more segments of the plurality of segments. The method further includes forming slots in the two or more segments, aligning the slots in the two or more segments to form a cavity, and inserting a connecting device to fill the cavity.SELECTED DRAWING: Figure 2A

The present invention relates to a machining tool (1) for machining extremely hard materials, and to a method for manufacturing same. Such a machining tool comprises a cemented carbide main body which is rotationally symmetrical with respect to a rotational axis (z) and which has a front end (20) and a shank (10) designed to be clamped into a tool holder of a machine tool. The front end is formed as a rotationally symmetrical tool tip (20). This tool tip (20) is thus formed integrally with the shank (20) of the cemented carbide main body. At least one hard material layer (24), such as a diamond layer, is applied over the entire surface of the tool tip (20). A plurality of flutes (25) having cutting edges (30) extend within the hard material layer (24), said flutes being introduced into the hard material layer (24) exclusively by means of laser machining.

Coating, comprehensive: a layer comprising an aluminum oxide matrix and at least one of zirconium oxide grains and hafnium oxide grains in the aluminum oxide matrix, wherein a mean grain size of the at least one of the zirconium oxide grains and the hafnium oxide grains is 100 nm or less, characterized in that the at least one of the zirconium oxide grains and the hafnium oxide grains is primarily arranged within grains of the aluminum oxide matrix.

A method for producing a coated cutting tool for metal machining having a substrate and coating is provided. The coating includes at least one layer of (Ti,Al)N having a cubic crystal phase. The method includes the deposition of a layer of Ti1-xAlxN, 0.70≤x≤0.98, the Ti1-xAlxN having cubic crystal phase. The layer of Ti1-xAlxN is deposited by cathodic arc evaporation at a vacuum chamber pressure of from 7 to 15 Pa of N2 gas, using a DC bias voltage of from −200 to −400 V and using an arc discharge current of from 75 to 250 A. A coated cutting tool for metal machining having a coating including a (Ti,Al)N multi-layer of alternating sub-layers of at least Ti1-yAlyN and Ti1-zAlzN, 0.35≤y≤0.65 and 0.80≤z≤0.98, with only cubic phase present is also provided.

The invention relates to a tool (1, 3) for machining a brittle material, in particular glass, hard metal, monocrystalline silicon and / or ceramic, having - an imaginary central axis (5), - a machining end (7), - a clamping end (9) opposite the machining end (7), and - a plurality of cutting edges (11), wherein - the plurality of cutting edges (11) run along an imaginary cutting edge course (13) in the region of the machining end (7), wherein - every two cutting edges (11) of the plurality of cutting edges (11) are spaced apart from one another by a cutting edge interruption (15) at an interruption position along the imaginary cutting edge course (13), wherein - the imaginary cutting edge course (13) has a total length (17), wherein - each cutting edge (11) of the plurality of cutting edges (11) in each case has a cutting edge length (19), and wherein - a ratio of the sum of the cutting edge lengths (19) to the total length (17) is less than 1 and - each cutting edge length (19) is shorter than 1.5 mm.

To provide a scarf repair apparatus, system, and method, which actuate reduction of dispersion inherent in a traditional manual scarfing process.SOLUTION: There is provided a duplicator assembly 122 for forming a first void 144, which can be layered, in a laminated material of a part that matches a second void 142 in a scarf repair guide. The duplicator assembly comprises an arm 134 that comprises a first end portion and a second end portion. The first end portion is spaced apart from the second end portion. The duplication assembly also comprises a probe 136 that is fixed to the first end portion of the arm and configured to trace the second void in the scarf repair guide 120. The duplication assembly further comprises a milling tool 140 that is fixed to the second end portion of the arm. Accordingly, the milling tool is co-movably coupled with the probe via the arm.SELECTED DRAWING: Figure 2

The invention discloses a novel integral modified ceramic overspeed high-temperature-resistant milling cutter, and aims to solve the technical problems that a blade part is easy to wear and a base body is poor in impact resistance during high-speed cutting of a traditional ceramic milling cutter. The milling cutter adopts an asymmetric gradient doping and oriented grain boundary phase regulation design, a cutting edge region is highly doped with an NbC / TaC hard phase and a low glass phase, and a cutter bar region is doped with SiC whiskers for toughening; a gradient grain boundary phase is formed in situ through a spark plasma sintering temperature-pressure gradient process, and a 100-200 [mu] m nano transition layer is arranged in a blade-transition region. The hardness retention rate of the milling cutter at the high temperature of 1200 DEG C is 85%-92%, the adaptive cutting linear speed is 800-1200 m / min, the tipping resistance is improved by 50%-70%, and the milling cutter is suitable for overspeed dry cutting of nickel-based high-temperature alloy materials difficult to machine and has wide application prospects.