242results 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 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 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.

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.

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 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 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.

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 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.

A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is 0.350 or more and 0.650 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of TicSi1-cN, and c is 0.20 or more and 0.99 or less.

The present invention relates to a cutting element formed from a composite of a substrate coated with a structured coating comprising a substrate with a surface in contact with the coating. The substrate has a plurality of substrate recesses at least in regions of the substrate surface. The coating extends into the recesses of the substrate, and the coating has an inner surface being in contact with the substrate and an outer surface opposite to the inner surface. The coating comprises at the outer surface a plurality of coating recesses being smaller than the recesses at the surface of the substrate resulting in a structured coating. Moreover, the present invention relates to a method for producing a cutting element.

This invention relates to a coated cutting tool having at least one rake face and at least one flank face and a cutting edge therebetween. The coated cutting tool comprises a substrate and a coating comprising a (Ti,Al)N layer. The (Ti,Al)N layer is a single monolayer or a multilayer of two or more alternating (Ti,Al)N sublayers with different compositions. The total atomic ratio of the (Ti,Al)N layer, Al / (Ti+Al), is >0.67 but ≤0.85. The (Ti,Al)N layer exhibits a plane strain modulus distribution along a direction perpendicular to the cutting edge on the rake face and / or the flank face. The plane strain modulus at a point 0.5 mm away from the cutting edge is greater than 85% of the plane strain modulus at the cutting edge, and the plane strain modulus at the cutting edge is ≥450 GPa.

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).

This invention relates to a coated cutting tool. The cutting tool is CVD coated, and the substrate is a cemented carbide, wherein the metal binder in the cemented carbide comprises Ni. The CVD coating comprises an inner layer of TiN and a subsequent layer of TiCN.

The magnetic material automatic drilling machine comprises a base shell, a supporting frame is fixedly connected into the base shell, a cover shell is fixedly connected to the upper side of the supporting frame, a movable door is hinged to the front side of the cover shell, and an operation box is fixedly embedded in the side wall of the front side of the cover shell; a drilling mechanism, a clamping mechanism, a feeding mechanism and a knife sharpening mechanism are installed on the upper side of the supporting frame. The process is simple and convenient, manual feeding, clamping, drilling and discharging operation of operators is not needed, the problem that a drilling tool needs to be shut down due to manual operation can be avoided, the drilling efficiency of the drilling machine is effectively improved, the drilling tool does not need to be disassembled and assembled for polishing, and the drilling tool polishing efficiency of the drilling machine is effectively improved.

Provided is a surface-coated cutting tool including a composite carbonitride layer or a composite nitride layer of Ti, Al, and V having columnar crystal grains with an NaCl-type face-centered cubic structure, wherein: the composition thereof is (AlXVYTi1-X-Y)(CαN1-α) (where Xavg, Yavg, and αavg, serving as the average values of X, Y, and α, satisfy the expressions 0.600 ≤ Xavg ≤ 0.950, 0.010 ≤ Yavg ≤ 0.300, 0.610 ≤ Xavg + Yavg ≤ 0.990, and 0.0000 ≤ αavg ≤ 0.0050) and has crystal grains having an Al content variation; Xmax, serving as the average value of the maximum values Xmax* of X, and Xmin, serving as the average value of the minimum values Xmin* of X, in the crystal grains satisfy the expression 0.020 ≤ Xmax - Xmin ≤ 0.400; and the lattice coefficient A (nm), which is calculated from an XRD pattern, and A* (nm), which is A* = 0.4045 × Xavg + 0.4130 × Yavg + 0.4242 × (1-Xavg - Yavg), satisfy |A-A*| < 0.0010 (nm).

The present invention relates to a cutting element formed from a composite of a substrate coated with a structured coating comprising a substrate with a surface in contact with the coating. The substrate has a plurality of substrate recesses at least in regions of the substrate surface. The coating extends into the recesses of the substrate and the coating has an inner surface being in contact with the substrate and an outer surface opposite to the inner surface. The coating comprises at the outer surface a plurality of coating recesses being smaller than the recesses at the surface of the substrate resulting in a structured coating. Moreover, the present invention relates to a method for producing a cutting element.

The invention discloses a grinding drill bit multi-parameter detection device and method, and relates to the field of drill bit multi-parameter detection.The grinding drill bit multi-parameter detection device comprises a detector used for detecting multiple grinding parameters of a drill bit body when the drill bit body is manually ground; the adjusting mechanism is used for adjusting the position of the detector up, down, left and right; according to the multi-parameter detection device and detection method for the grinding drill bit, through the matching effect of the adjusting mechanism and the rotating mechanism, the up-down and left-right sliding position adjusting function of the detector is combined with the rotating or inclined position adjusting function of the drill bit body, so that when a worker manually grinds the drill bit body, the working efficiency is improved, and the working efficiency is improved. The positions of the detector and the drill bit body can be conveniently adjusted, so that multiple parameters of the drill bit body can be comprehensively and efficiently detected; by means of the integrated design, operation steps and time are reduced, the efficiency of the whole detection process is improved, and powerful support is provided for grinding and detection work of the drill bit.

A cutting tool assembly is provided, including a tool shank including a connection opening, and a blade holder including a blade main body and a connection protrusion, the blade being connected and detachably attached to the blade main body, the connection protrusion protruding from one surface of the blade main body and being detachably connected to the tool shank, wherein a tapered contact portion in contact with the connection opening and providing a fixing force to fix the blade holder to the tool shank, and a contact surface located at a rear end of the tapered contact portion and connected to a fastening member are located on the connection protrusion.

In one aspect, cutting tools are described herein that include a refractory coating including an MT-TiCN layer and an alpha-Al2O3 layer, the layers having a crystalline orientation and architecture that facilitates resistance to various degradation mechanisms including cracking and / or spalling. Thus, in some embodiments, cutting tools with such refractory coatings are suitable for high wear and / or abrasion applications, such as metal cutting operations.

The utility model belongs to the field of drill grinder, especially a drill positioning device of drill grinder, in the light of the problem that the existing drill cannot rotate and cannot automatically move away from the cutting part, the following scheme is presented, it includes drill grinder drill positioning chuck, pivot, pivot is welded in the right -hand member of drill grinder drill positioning chuck, connecting seat, connecting seat rotation sleeve connection is in the surface of pivot, transmission case, transmission case is communicated in the opening of connecting seat bottom, slide, slide bolt connection is in the bottom of transmission case, can drive drill grinder drill positioning chuck rotation through the transmission of structure, so can change the cutting surface of drill grinder drill positioning chuck internal drill, let drill grinder can carry out cutting everywhere to drill grinder drill positioning chuck internal drill, and through the movement of slide, can let the drill of drill grinder drill positioning chuck automatically move away from the cutting structure or be close, be favorable to the safe operation of drill grinder.

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

A cutting tool including a substrate and a coated film arranged on the substrate, in which the coated film includes a first layer positioned on the substrate, a second layer positioned on the first layer, and a third layer positioned on the second layer, the first layer is composed of titanium carbonitride, the second layer is composed of aluminum oxide, the third layer is composed of titanium carbonitride, a residual stress X of the first layer, a residual stress Y of the second layer and a residual stress Z of the third layer satisfy a relationship of formula 1.

Disclosed herein is an apparatus for drilling an array of vents in a plastic mask. The apparatus comprises a drill; a support comprising a surface configured to receive the mask thereat; and a positioning system configured to position the support relative to the drill for drilling vents at sequential locations in the array through a mask received at the surface.

The invention relates to a cutting tool comprising a support body and a cBN or PCD cutting edge tip, wherein the cBN or PCD cutting edge tip is connected to the support body by a brazing joint of 5-150 pm thickness, the support body is a cemented carbide comprising 3-25 wt% of a metallic binder, optionally up to 25 wt% of a carbide or carbonitride of one or more elements of group 4, 5 or 6 of the periodic table, and the remainder WC, wherein the metallic binder comprises at least 40 wt% of Ni, and wherein the brazing joint comprises in order from the support body: a first layer of TiC, immediately adjacent to the support body, having an average thickness of 10-400 nm; a second layer having an average thickness of 0.5-8 pm comprising on average at least 5 wt% of the metal Ni, on average 25-60 wt% of the metal Cu and on average 15-45 wt% of the metal Ti; and a third layer having an average thickness of 4-145 pm comprising the metal Ag and the metal Cu.

A cutting tool includes a supporting body and a cBN or PCD cutting edge tip attached to the supporting body via a 5-150 μm braze joint. The supporting body is cemented carbide having 3-25 wt % of a metallic binder, optionally up to 25 wt % of carbides or carbonitrides of one or more elements of group 4, 5, or 6, and the rest WC. The metallic binder includes at least 40 wt % Ni, and the braze joint has, in the order from the supporting body, a first layer of TiC situated next thereto, with an average thickness of 10-400 nm, a second layer, with an average thickness of 0.5-8 μm, having in average at least 5 wt % metallic Ni, in average 25-60 wt % metallic Cu and in average 15-45 wt % metallic Ti, and a third layer, with an average thickness of 4-145 μm, having metallic Ag and metallic Cu.