479results about "Drilling tools" patented technology

A cutting tool comprising a base material and a coating disposed on the base material, wherein the coating comprises a hard particle layer; the hard particle layer is formed from a plurality of hard particles including titanium, silicon, carbon, and nitrogen; in the hard particles, a concentration of the silicon periodically changes along a first direction set in the hard particles; and an orientation of the hard particle layer is a (311) orientation.

The present invention provides a process of forming a cutting tool comprising the steps of: additive deposition of a tool material comprising at least one of: tungsten carbide, TaNbC, a tungsten carbide containing alloy or composite, or a TaNbC containing alloy or composite onto a base substrate having a longitudinal axis, said tool material being deposited onto the base substrate to form a deposit body configured to form at least one cutting formation therein; and subsequently subtracting selected portions of the deposit body to produce at least one cutting formation having a selected cutting edge configuration, thereby forming the cutting tool.

The present invention relates to a drill bit (10) comprising: - a body (12), with a central longitudinal axis (AX) and longitudinally delimited by an end rim (14), intended to be rotated about the longitudinal axis to penetrate longitudinally from the end rim through a block in a penetration direction (T1); - a series of teeth (18) carried by the body and projecting from the end rim (14) in the penetration direction to contact the block, these teeth being spaced apart along the circumference of the end rim; wherein recesses (20) are formed in the body and spaced apart along the circumference of the end rim, each recess extending from the end rim; and wherein each tooth (18) is arranged circumferentially from each recess (20). Figure 2a

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 tool includes a substrate at least partially coated with a coating. The substrate is a cemented carbide, cermet or ceramic. The coating includes a layer of Ti(C,N), a layer of Al2O3 and there between a bonding layer. The Ti(C,N) layer is composed of columnar grains, wherein an average grain size D422 of the Ti(C,N) layer is 25-50 nm, and wherein the Ti(C,N) layer includes a portion B1 that is adjacent to the bonding layer. An average grain size of the Ti(C,N) grains in portion B1 is larger than the average grain size D422 in the whole Ti(C,N) layer. In the portion B1 of Ti(C,N) layer the Ti(C,N) grains has an average grain size of 140-300 nm.

The invention relates to the technical field of drilling equipment, in particular to a container lock inclined hole drilling device which comprises a machine table body, a station space is arranged in the middle of the machine table body, a lifting arm is arranged in the station space of the machine table body in a lifting mode, drilling machine equipment is installed on the lifting arm, and an arc-shaped plate is arranged below the drilling machine equipment in a matched mode. A drill bit assembly is arranged on the arc-shaped plate, a control mechanism used for driving the arc-shaped plate is arranged on the lifting arm, two cavities are symmetrically formed in the machine table body, electric telescopic rods are horizontally installed in the two cavities correspondingly, butt joint mechanisms matched with the arc-shaped plate are installed on the two electric telescopic rods correspondingly, and drill bit grinding mechanisms are arranged in the two cavities correspondingly. A machined part containing mechanism is arranged at the bottom of the station space of the machine table body. According to the inclined hole drilling device, inclined hole drilling machining can be conducted by changing drill bits of different specifications, the problem that the efficiency of a single drill bit is low is effectively solved, meanwhile, the drill bits can be conveniently replaced, and the working efficiency is effectively improved.

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 fully steerable flexible curved drilling robot device comprises a first flexible tube including a concentric through hole centered on a longitudinal axis, a second flexible tube including an eccentric through hole, wherein the second flexible tube is positioned in the concentric though hole of the first flexible tube, and configured to move translationally along the longitudinal axis and rotationally about the longitudinal axis, and a drill bit connected via a bearing to a flexible drive shaft, the drill bit positioned at a distal end of the first flexible tube, and wherein the flexible drive shaft extends through the eccentric through hole of the second flexible tube and is configured to provide a rotational torque to the drill bit. A steerable flexible curved drilling robot system and drilling method are also disclosed.

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.

In a hand-held power tool, in particular a drill, comprising a housing (110) and at least one drive motor arranged in the housing (110) for driving an output shaft (140), which has a tool holder (142) for an insert tool, wherein the output shaft (140) has a tubular transport section (144) for transporting away dust and / or drilling particles occurring during machining, and wherein, in its end region (299) close to the drive motor (120), the tubular transport section (144) is formed for discharging dust and / or drilling particles away from the output shaft (140). The output shaft (140) has, in the end region (299) of the tubular transport section (144) in a circumferential direction (202), a first plurality of recesses (213) and a second plurality of recesses (214) for discharging the dust and / or drilling particles away from the tubular transport section (144), and the first and second plurality of recesses (213, 214) are spaced apart from one another in the longitudinal direction (201) of the output shaft (140).

A cutting tool comprising a base material and a coating film disposed on the base material, wherein: the coating film includes a first layer; the first layer is formed of a plurality of hard particles; the hard particles are each formed of titanium, silicon, carbon, and nitrogen; the hard particles have a cubic crystal structure; the first layer has a columnar structure; in the first layer, the average of the ratio NSi / (NTi+NSi) of the number NSi of silicon atoms with respect to the total of the number NTi of titanium atoms and the number NSi of silicon atoms is 0.01-0.10; in the first layer, the average of the ratio NC / (NC+NN) of the number NC of carbon atoms with respect to the total of the number NC of carbon atoms and the number NN of nitrogen atoms is 0.60-0.85; the hard particles each have a laminate structure in which a first unit layer and a second unit layer are alternately laminated; the first unit layer and the second unit layer are each formed of the titanium, the silicon, the carbon, and the nitrogen; the ratio x1 of the number of silicon atoms with respect to the total of the number of titanium atoms and the number of silicon atoms in the first unit layer is greater than the ratio x2 of the number of silicon atoms with respect to the total of the number of titanium atoms and the number of silicon atoms in the second unit layer; and the ratio y1 of the number of carbon atoms with respect to the total of the number of carbon atoms and the number of nitrogen atoms in the first unit layer is greater than the ratio y2 of the number of carbon atoms with respect to the total of the number of carbon atoms and the number of nitrogen atoms in the second unit layer.

One deployment (1), showing: a boron nitride sintered body (3) having a first surface (7), a second surface (9) and a cutting edge (13) which is arranged at least on a part of a comb part (11) of the first surface (7) and the second surface (9), wherein the boron nitride sintered body (3) comprises cubic boron nitride and compressed boron nitride, wherein in a transmission X-ray diffraction of a cross-section of the boron nitride sintered body (3) perpendicular to the first surface (7), in a direction perpendicular to the first surface (7) is the X-ray intensity at the tip of a 111 diffraction peak of cubic boron nitride IcBN(111)v and the X-ray intensity at the tip of a 002 diffraction peak of compressed boron nitride IhBN(002)v, in a direction parallel to the first surface (7), the X-ray intensity at the tip of a 111 diffraction peak of cubic boron nitride IcBN(111)h and the X-ray intensity at the tip of a 002 diffraction peak of compressed boron nitride IhBN(002)h, a value for the content of compressed boron nitride, given by (IhBN(002)v+IhBN(002)h) / (IcBN(111)v+IcBN(111)h), is greater than 0.002 and less than 0.01, a cubic orientation value specified by IcBN(111)v / (IcBN(111)v+IcBN(111)h) is greater than 0.5, and an orientation value of the compressed boron nitride specified by IhBN(002)v / (IhBN(002)v+IhBN(002)h) is greater than the cubic orientation value.

A cutting insert includes: a rake face; a flank face; and a cutting edge constituted of a ridgeline between the rake face and the flank face. The cutting edge has a first cutting edge portion for corner processing, a second cutting edge portion for pulling processing, a third cutting edge portion for finished-surface processing, a first connection cutting edge portion, and a second connection cutting edge portion. The third cutting edge portion is disposed between the first cutting edge portion and the second cutting edge portion. The first cutting edge portion has a curved shape. A curvature radius of the first cutting edge portion is 0.1 mm or more and 2.4 mm or less. The second cutting edge portion has a straight line shape or a curved shape having a curvature radius of 3 mm or more.

A non-limiting example of the coated cutting tool of the present application has a substrate and a coating layer on the substrate. The coating layer has a first coating layer having a first layer containing Al2O3 particles and a second layer on the first layer. The second layer has, in order from the substrate side, a first film, a second film in contact with the first film, and a third film in contact with the second film. The first film, the second film, and the third film each contain Ti. The first film, the second film, and the third film each contain at least one selected from C and N. When the amount of N contained in the first film is a first N amount, the amount of N contained in the second film is a second N amount, and the amount of N contained in the third film is a third N amount, the following relationship is satisfied: the first N amount > the third N amount > the second N amount.

A method is provided for modifying a via from a PCB including a plurality of subassemblies comprising a plurality of layers. The method may include drilling a via of the PCB to form a through-hole to remove an unwanted material in the via of the PCB. The method may also include depositing a carbon-based material over an inner wall of the through-hole. The method may further include back drilling a first portion of the through-hole by a drill from the top of the PCB to form a first blind via. The method may also include selectively plating a conductive material over the carbon-based material to form a plated through-hole.

A coated tool of the present invention includes a substrate and a hard coating on the substrate. The hard coating is a nitride or a carbonitride containing 65 atom % or more and 90 atom % or less of Al and 10 atom % or more and 35 atom % or less of Cr with respect to a total amount of metal elements including metalloid elements, and containing 0.50 atom % or less of argon (Ar), and has a face-centered cubic lattice structure. The hard coating shows a maximum intensity Ia in an α angle range of 80° to 90° in an X-ray intensity distribution on an α-axis in a positive pole figure of a (111) plane of the face-centered cubic lattice structure, and an intensity in an α angle range of 0° to 70° is 35% or less of the maximum intensity Ia.

A coated cemented carbide includes: a substrate consisting of a cemented carbide; and a diamond layer disposed directly on at least a portion of the substrate, wherein the cemented carbide includes a tungsten carbide grain and cobalt, the substrate includes an outer region and an inner region, the outer region having a gradient composition in which a content ratio of the cobalt is increased from an interface between the substrate and the diamond layer toward an inner portion of the substrate, the inner region being located on the inner portion side of the substrate with respect to the outer region, the content ratio of the cobalt in the inner region is 2 mass % or more, and a percentage (T2 / T1)×100 of a standard deviation T2 μm of a thickness of the outer region with respect to an average thickness T1 μm of the outer region is 30% or less.

The utility model relates to the field of drill bit machining, and discloses drill bit grinding machining equipment which comprises a disc, a machining equipment body, a top heat dissipation device, a sliding door, an air cooling device and a water cooling device, the top heat dissipation device is fixedly connected to the upper portion of the machining equipment body, and the air cooling device is installed on one side of the machining equipment body. An air cooling device is arranged in the machining equipment body, the air cooling device penetrates through the interior of one side of the machining equipment body, an air suction inlet is formed in the air cooling device, and one side of the air suction inlet is fixedly connected to an air compressor device. And the situation that the drill bit seriously deforms due to high temperature generated by friction in the grinding process is prevented, poor quality is reduced, and the drill bit is matched with a conventional water cooling device and can be used together, so that the cooling capacity is improved.

A cutting tool for machining titanium alloy or superalloy includes a Me-B-N coating. The Me-B-N coating is Me1-B-N; Me1 is one or more selected from transition metal elements Hf, V, Nb, Ta and Mo, and the atomic percentage of each element is: Me1: 8-40%, B: 15-60%, and N: 10-65%; and the Me-B-N coating includes Me1Nx phase and BN phase; or, the Me-B-N coating is Me1-Me2-B-N, Me1 is one or more selected from transition metal elements Hf, V, Nb, Ta and Mo; Me2 is one or more selected from transition metal elements Ti, Zr, Cr, and W; and the atomic percentage of each element is: Me1: 4-36%, Me2: 4-36%, B: 15-60%, and N: 10-65%; and the Me-B-N coating includes Me1Nx phase, Me2Nx phase and BN phase.

The angle-adjustable fixing tool is characterized in that a cylinder and an upper stand column form a two-step cylinder, the diameter of the cylinder is smaller than that of the upper stand column, the cylinder is inserted into an inner hole of a lower stand column and is in clearance fit with the inner hole, and the lower end of the upper stand column is pressed at the upper end of the lower stand column; the lower supporting plate is fixed to the upper stand column, the bolt penetrates through a through hole formed in the lower supporting plate and a through hole formed in the upper supporting plate correspondingly, and the nut is arranged on the bolt in a screwed mode to fixedly connect the lower supporting plate with the upper supporting plate. The upper supporting plate is fixedly connected with the V-shaped iron; the drill bit is placed in a V-shaped groove of the V-shaped iron; the drill bit is pressed and fixed in the V-shaped groove by the pressing plate positioned above the V-shaped groove of the V-shaped iron; the round nut is welded at the tail end of the V-shaped iron; the tool bolt penetrates through the round nut in a screwed mode, and the tail end of the tool bolt makes contact with the tail end of the drill bit. The drill bit supporting block is fixed to the V-shaped iron, and the head of the drill bit supporting block is inserted into the spiral groove of the drill bit. The drill bit polishing and fixing tool is low in cost and high in universality.

The invention relates to the technical field of precise cutting, in particular to a CBN soft material precise cutting blade which comprises a CBN base body, and the CBN base body comprises a front tool face, a rear tool face and a sharp cutting edge located at the joint of the front tool face and the rear tool face. A first cutting edge reinforcing platform and a second cutting edge reinforcing platform are sequentially formed on the front cutter surface close to the cutting edge; a tool nose is formed at one end of the cutting edge and is in an arc shape, and the arc radius of the tool nose is smaller than the total width of the first cutting edge reinforcing platform and the second cutting edge reinforcing platform. The cutting edges of the CBN soft material precise cutting blade are sharp cutting edges, so that the cutting resistance during machining can be greatly reduced, the anti-collapse capacity of the cutting edges is improved, the vibration of a cutter and a cutter bar can be reduced, and the rigidity requirement of a machine tool is reduced. The CBN material is combined with the groove profile, the surface roughness, burrs, chatter marks, roundness and the like of a machined surface can be greatly improved through the sharp cutting edge, and the grade of machining precision can be greatly improved.

A coated tool includes a base body and a coating film. The coated tool has a first surface with a rake face, a second surface with a flank face, and a third surface located between the first surface and the second surface and being a C surface or an R surface. The coating film includes a first coating film located on the first surface and / or a second coating film located on the second surface, and a third coating film located on the third surface. A wavenumber of a maximum Raman peak of the first coating film is a first wavenumber, a wavenumber of a maximum Raman peak of the second coating film is a second wavenumber, and a wavenumber of the maximum Raman peak of the third coating film is a third wavenumber. The third wavenumber is smaller than the first wavenumber and the second wavenumber.

A surface coated cutting tool is provided, in which a TiAlCN layer having an average layer thickness of 2.0 to 20.0 µm and represented by (Ti(1-x)Alx)(CyN(1-y)) is provided on a surface of a tool body 100, an average content ratio xavg of Al and an average content ratio yavg of C satisfy 0.60 ≤ xavg ≤ 0.95 and 0.00 ≤ yavg ≤ 0.05, an area ratio occupied by crystal grains having an NaCl-type face-centered cubic structure satisfies 90 area% or more, and when a crystal grain size d of each crystal grain in an upper layer side region obtained by bisecting the TiAlCN layer in a layer thickness direction is obtained, crystal grains 21 satisfying 0.01 µm <d ≤ 0.20 µm exist in 10 to 40 area% with respect to an entire area, and an average value of a maximum length in a direction parallel to the surface of the tool body 100 in each region in which the crystal grains having d of 0.01 µm <d ≤ 0.20 µm are adjacent and connected to each other in the upper layer side region is 5.0 µm or less.

A cemented carbide includes 65 to 85 volume % of a first phase and 4 to 25 volume % of a second phase, wherein the first phase consists of carbide grains, the second phase includes 50 mass % or more of cobalt, the second phase includes zirconium, a cobalt content ratio MCo of the cemented carbide is 3 to 15 mass %, a and b of the cemented carbide indicate a relation of the following formula I:b<0.0485a+0.0001  I, wherea represents a percentage, (MZr / MCo)×100, of a zirconium content ratio MZr in mass % with respect to the cobalt content ratio MCo in mass %, a is more than 0 and 8 or less, b represents an area percentage of pore in a first region of the cemented carbide, and the first region is a region located within a distance of 50 μm from a surface of the cemented carbide in the cross section.

Provided is a cemented carbide comprising a first phase and a second phase, wherein the first phase is composed of a plurality of tungsten carbide particles, the content of the first phase in the cemented carbide is 65-85 vol%, the content of the second phase in the cemented carbide is 4-25 vol%, the second phase contains 50 mass% or more of cobalt, the second phase contains zirconium, the cobalt content MCo in the cemented carbide is 3-15 mass%, and a and b of the cemented carbide have a relationship of expression I: b<0.0485a+0.0001, where a is the percentage ((MZr / MCo)×100) of the zirconium content MZr mass% in the cemented carbide with respect to the cobalt content MCo mass% in the cemented carbide, a is more than 0 and 8 or less, and b is the area percentage of voids in a first region of a cross section of the cemented carbide, the first region being a region within 50 μm from the surface of the cemented carbide in the cross section.

The utility model relates to drill bit raw material finish machining and grinding equipment, and belongs to the technical field of machining, equipment manufacturing and drill bit production. Comprising a base, a driving mechanism installed on the top side of the base, a clamping assembly installed on the top side of the base, a drill bit raw material body installed on the clamping assembly and a machine core clamp installed on the outer surface of the drill bit raw material body. The machine core clamp comprises an annular plate connected to the outer surface of the drill bit raw material body in a sleeving mode. According to the drill bit raw material finish machining and grinding equipment, the clamping assembly is arranged on the top side of the base, a center hole of a drill bit raw material can be clamped to achieve fixation of the drill bit raw material, the drill bit raw material is fixed through the machine core clamp, and the driving mechanism is arranged on the top side of the base; the driving mechanism is used for driving the machine core clamp to rotate so as to drive the drill bit raw material to conduct rotary machining, the position of the raw material in the grinding process can be more stably controlled through the double-end fixing mode, and therefore the grinding precision and efficiency are improved.

A cutting tool, including: a base; and a coating disposed on the base, wherein the coating includes a first layer composed of hexagonal W(C1-aNa)x, a represents 0.3 or more and 0.8 or less, and x represents 0.8 or more and 1.2 or less.

Provided is a cutting tool (1) that simultaneously improves both fracture resistance and wear resistance. The cutting tool according to the present invention has an end surface (10), a peripheral side surface (12) intersecting with the end surface, and a cutting edge (20) in an intersecting ridge part along the end surface and the peripheral side surface, and when first and second points A and B are defined on the cutting edge, the first point A protrudes further toward an outer side of the cutting tool than the second point B. The cutting edge has a honing surface (21). The honing surface has a portion, the width of which gradually increases from the first point A toward the second point B.

A coated tool according to one non-limiting aspect of the present disclosure is provided with a base body and a coating layer located on the surface of the base body, in which the base body has a film adhesive phase containing Co and at least one metal compound selected from a carbide, a nitride and a carbonitride each containing Ti and W, and the film adhesive phase is located at the interface between the base body and the coating layer. A cutting tool according to one non-limiting aspect of the present disclosure is provided with: a holder that extends from a first end toward a second end and has a pocket on the first end side; and the above-mentioned coated tool that is located in the pocket.

A coated cutting tool is provided. The cutting tool is CVD coated and has a substrate of cemented carbide, wherein a metallic binder in the cemented carbide includes Ni. The CVD coating has an inner layer of TiN and a subsequent layer of TiCN and a layer of Al2O3 located between the TiCN layer and an outermost surface of the coated cutting tool.