510results about "Metal sawing tools" patented technology

The invention relates to the technical field of ultrasonic cutting, in particular to a sawtooth-shaped circular knife ultrasonic cutting acoustic system which comprises a main shaft, an ultrasonic vibrator and an ultrasonic cutting tool, the ultrasonic vibrator is connected with the main shaft, the ultrasonic cutting tool is installed on the side, away from the main shaft, of the ultrasonic vibrator, and a plurality of sawtooth grooves are formed in the peripheral face of the ultrasonic cutting tool. The sawtooth grooves are annularly distributed at equal intervals, and sawteeth are formed between every two adjacent sawtooth grooves. According to the ultrasonic cutting tool, the sawtooth grooves are formed in the peripheral surface of the ultrasonic cutting tool, so that the machining mode of the workpiece is intermittent cutting, the contact time of the ultrasonic cutting tool and the workpiece is shortened, and then friction resistance generated by contact between the ultrasonic cutting tool and the workpiece is reduced; heat generated between an ultrasonic cutting tool and a workpiece in the workpiece machining process can be greatly reduced, heat is released through non-contact gaps, and cutting force is reduced by reducing friction resistance.

A blade includes a body having a cutting portion with an edge and a plurality of cutting teeth sequentially aligned along the edge. Each cutting tooth of the plurality of cutting teeth is formed from a corresponding one of a plurality of carbide inserts that is discretely resistance welded to the edge. The body includes at least 15 teeth per inch.

The invention discloses a bar cutting device, relates to the technical field of machining equipment, and aims to solve the problems of low bar cutting efficiency and poor size consistency in the prior art. The device comprises a supporting frame, and an equidistant cutting mechanism, an equidistant clamping mechanism and an auxiliary assembly are arranged on the supporting frame; the equidistant cutting mechanism comprises a cutting frame, a cam shaft and a spline shaft are rotationally arranged on the cutting frame, a spacing sliding block is slidably arranged on a guide shaft, a cam shaft spiral groove drives the spacing sliding block to slide equidistantly through a driven protrusion, the spline shaft is sleeved with a spline sleeve, and the spline sleeve is connected with a saw disc. The equidistant clamping mechanism comprises a clamping frame and is linked with a distance separation sliding block through a linkage rod, so that the clamping position corresponds to the cutting position; the auxiliary assembly comprises a material supporting frame, a bar detection assembly, a limiting assembly and a material receiving plate. The device can complete multi-section equal-distance cutting of the bars at a time, is high in cutting efficiency and good in size consistency, and meets the cutting requirements of the bars of different specifications.

The invention relates to the technical field of diamond saw blades, and provides a diamond saw blade and a preparation method thereof. The diamond saw blade comprises a disc base body and a tool bit fixed to the periphery of the disc base body, and the tool bit is prepared from, by weight, 30-45 parts of iron powder, 15-25 parts of copper powder, 8-12 parts of nickel powder, 8-15 parts of cobalt powder, 3-5 parts of tin powder, 2-5 parts of molybdenum powder, 1-3 parts of silicon-boron alloy powder, 0.5-2 parts of tungsten carbide powder, 20-25 parts of diamond particles and 0.05-0.1 part of liquid paraffin. According to the diamond saw blade provided by the invention, the scientificity and the accuracy of proportion matching of all the components in the raw material formula of the tool bit are improved, the stability of the sintering process is improved, and the condition that the hardness and the toughness of the tool bit are difficult to achieve the optimal balance is improved.

The utility model discloses a double-metal band saw blade with an arc edge, which comprises a double-metal saw blade main body, and cutting teeth are continuously arranged on the side edge of the double-metal saw blade main body. Linear structures are arranged at the tops of the cutting teeth, arc structures are arranged at the positions, located on the side faces of the linear structures, of the tops of the cutting teeth, and the close positions of the linear structures and the arc structures are connected. The double-metal band saw blade with the arc-shaped edge has the advantages that the edge length of the arc-shaped edge is larger than that of a traditional sharp-corner edge, under the condition that the cutting amount per unit edge length is equal, the edge length of the arc-shaped edge is large, the removal amount of machining materials is large, and therefore the service life of the double-metal band saw blade is prolonged; compared with a sharp corner structure, the arc structure greatly reduces the stress concentration phenomenon of the blade part, reduces the brittleness of the blade part and improves the endurance of the blade part, and the saw blade is in slight running-in or even does not need to be in running-in during initial use, so that the stability of the saw blade can be improved, and the production efficiency is improved.

The invention relates to a process for manufacturing a cutting tool for a vegetation cutting machine, such as a brush cutter or an edge trimmer, comprising the following steps: (a) producing by an injection molding process at a first temperature a preform (200) made of a polyamide mixture comprising at least one homopolymer and at least one copolymer; (b) stamping the preform at a second temperature lower than the first temperature so as to cause polymer chains of the polyamide mixture to extend according to at least two different directions, thereby forming a planar piece (201), (c) cutting the planar piece (201) to define at least one cutting edge of the cutting tool (2).

The utility model relates to the technical field of saw blades, in particular to a saw blade convenient to mount and dismount, which is simple in structure, adopts a split type, can directly replace part of the saw blade with damaged saw teeth, and does not enable an output shaft of a cutting machine to rotate in the replacement process. Comprising a mounting ring fixed to an output shaft, a plurality of mounting grooves are formed in the outer surface of the mounting ring in a circumferential array shape, a saw blade is placed in each mounting groove, a fixing ring is fixed to one side of the mounting ring, a driving mechanism is arranged in the fixing ring, and a driving block moving in the radial direction of the mounting ring is arranged at the output end of the driving mechanism; a through hole is formed in the mounting groove and communicates with the fixing ring, a pressing plate is slidably connected into the through hole and fixedly connected with a connecting plate, a guide hole is formed in the connecting plate, and a guide shaft penetrating through the guide hole is fixed to the driving block.

A circular saw blade has a substantially circular core zone which is surrounded by an edge zone adjoining the core zone radially outwards in the region of a boundary line in order to form a basic body. The edge zone has a plurality of teeth, each with a tooth face, and each tooth face is assigned a carbide tip. A tooth space is in each case formed between two teeth directly adjacent circumferentially, and a friction-reducing sliding coating and a wear-reducing hard coating are provided which are formed lying one above the other at least in certain regions.

The invention belongs to the technical field of steel rail cutting machines, and particularly relates to a steel rail fixing swing frame and a lithium battery cutting machine. Comprising a clamp and a fixing arm, the clamp is used for clamping and fixing a steel rail, and the fixing arm is arranged at the upper end of the clamp; the upper end of the fixed arm is hinged with the swinging arm and the connecting rod in parallel up and down respectively; the other end of the swing arm and the other end of the connecting rod are respectively hinged with the fixed sleeve, one end of the spring rod is hinged with the fixed sleeve, and the other end of the spring rod is hinged with the fixed arm; and the connecting shaft is rotationally installed in the fixed sleeve, and the connecting shaft is detachably connected with the external connecting sleeve in a locking mode. Through the structural design of the spring rod, the cutting force between the cutter head and the steel rail during sawing can be adjusted.

An accessory (200) for an oscillating power tool (12) is provided. The accessory (200) includes an attachment portion (215) configured to be coupled to an oscillating power tool (12); an elongated working portion (202) extending generally along a longitudinal axis (X), the working portion (202) having a rear end (210) coupled to the attachment portion (215), a front cutting edge (222) opposite the rear end (210), a first side edge (224) extending from the front cutting edge (222) to the rear end (210), and a second side edge (226) opposite the first side edge (224) and extending from the front cutting edge (222) to the rear end (210), the working portion (202) having a length of at least 89 mm (3.5 inches) from the rear end (210) to the front cutting edge (222); and one or more openings (290, 291, 292) defined in the working portion (202) and extending along the longitudinal axis (X). The one or more openings (290, 291, 292) collectively reduce a mass of the working portion (202) by between approximately 4% and approximately 25%. None of the natural frequencies of the accessory (200) are within an operating frequency range of the oscillating power tool (12).

The invention relates to a tool device, in particular a saw blade (3), which can be driven in an oscillating manner in particular about an axis of rotation (1) of a hand-held power tool, having a cutting element (5) and a further cutting element (6), wherein the cutting elements (5, 6) are spaced at different distances from the tool axis. It is proposed that the cutting element (5) and / or the further cutting element (6) has a cutting parameter, in particular an almost identical cutting parameter, which is adapted to the axis of rotation (1), in particular in the circumferential direction (8).

The circular saw blade comprises a cutter body, a plurality of tooth portions are arranged on the edge of the cutter body, tooth holders are arranged on the tooth portions, cutter head units are connected to the tooth holders, cutter head root portions and cutter head top portions are arranged on the cutter head units, the section of each cutter head top portion is of a cone-like structure, and the cutter head root portions and the cutter head top portions are arranged on the cutter head root portions. The section of the tool bit root is of a rectangular-like structure, the section width of the tooth part is smaller than that of the tool bit unit, the tool bit unit comprises a tool bit side face and a cutting face which are arranged on the two sides, and in the same radial direction, the thickness of the side, close to the cutting face, of the tool bit side face is larger than that of the side, away from the cutting face, of the tool bit side face. According to the circular saw blade for machining the paddle-tumbler, burrs generated in the cutting process can be reduced, heat dissipation can be improved, the contact area between the circular saw blade and a cut product can be reduced, and the paddle-tumbler machining precision can be improved.

The utility model relates to the technical field of power tool aprons, and discloses a stably-installed power tool apron which comprises a tool apron body and a saw blade, an output shaft of the tool apron body is fixed with the saw blade through a bolt, and stabilizing assemblies and protecting assemblies are arranged on the surfaces and the interiors of the tool apron body and the saw blade. According to the stably-installed power tool apron, through the arranged protection assembly, when a saw blade and the tool apron body need to be installed, the fixing column is installed in the installation groove, through a first gear, a first clamping tooth, a circular plate and a first spring, a first rack enters a clamping groove, the tool apron body and the saw blade are mutually limited stably, and normal fixation can be achieved through a bolt; and the bolts are matched with the stabilizing assembly, so that the stability of installation of the saw blade and the tool apron body is improved, and the situation that the stability between the saw blade and the tool apron body is influenced due to a single fixing mode is avoided.

Disclosed is a circular toothed blade, formed by a disc (1) having a central hole (2), wherein the blade comprises: a series of protrusions (5) separated by cut-outs (3) and projecting at an angle of 0-90° on the perimeter edge of the disc (1), wherein the protrusion (5) comprises a series of teeth projecting at an angle of 0-90°. Also disclosed is a device for cutting ice tubes, which comprises at least one circular blade (A) according to the present invention.

A blade having an attachment portion including an aperture defining an anchor center, the attachment portion configured to couple with an oscillating power tool. The blade also has a first blade portion having a first cutting edge, and a second blade portion having a second cutting edge. The first and second blade portions are generally coplanar and extend away from the attachment portion in an outward direction. The first cutting edge has a first horizontal linear dimension measured perpendicular to the outward direction, the first horizontal linear dimension being 3.5 to 4.0 inches to generally correspond with a first dimension of a single outlet gang box. The second cutting edge has a second horizontal linear dimension measured perpendicular to the outward direction, the second horizontal linear dimension being 2.1 to 2.6 inches to generally correspond with a second dimension of the single outlet gang box.

The utility model discloses a diamond saw blade with multiple divided teeth, which relates to the technical field of cutting tools and comprises a plurality of saw blade components, each saw blade component comprises a base plate, an axis mounting hole is formed in the inner center of each base plate, diamond sawteeth are arranged on the periphery of each base plate at equal intervals, composite tooth grooves are formed in the periphery of each base plate at equal intervals, and the composite tooth grooves are formed in the periphery of each base plate at equal intervals. A first flange assembly is arranged on one side of each saw blade assembly, a second flange assembly is arranged on the other side of each saw blade assembly, every two adjacent saw blade assemblies are fixedly connected through the corresponding first flange assembly and the corresponding second flange assembly, and each first flange assembly comprises a first flange plate. The multiple sets of saw blade assemblies are in key connection with a transmission shaft of the cutting machine through flat key grooves, so that the multiple saw blade assemblies rotate synchronously, the outer threaded barrel and the inner threaded barrel are screwed and matched, the first flange plate and the second flange plate are tightly attached to the base plate, the base plate is not prone to deviation during cutting, the cut plane is smoother, and the quality of cut sheets is improved.

The diamond circular saw blade is characterized in that a saw blade main body is provided with a mounting hole and saw teeth, and tool bits are mounted on the saw teeth; the tool bit is flat, the size of the tool bit is reduced, and the utilization rate of the side face of the tool bit is increased; the main cutting faces of any two adjacent tool bits incline towards different sides, the tool bits can form tool noses facing one side, the tool noses on the different sides of the tool bits are beneficial to rapidly smashing materials, and the sharpness of the saw blade is improved. And the service life of the saw blade can be prolonged by matching the matrix powder and the active powder of the tool bit.

A tool insert (50) configured to be connected to a power tool, comprising: a metal ring (51), a plurality of cutting or grinding elements (52) connected to the metal ring (51), and inner structure (53) including an arbor hole (54) configured to be connected to the power tool, wherein the inner structure (53) is made from a plastic material and the metal ring (51) is connected to the inner structure (53).

The present invention discloses a saw blade disassembly and assembly device facilitating remote replacement operation, which includes a sawing reduction gearbox and a sawing drive. The sawing drive is fixed on the sawing reduction gearbox. The sawing reduction gearbox includes a sawing reduction gearbox output mechanism, and the sawing reduction gearbox output mechanism is fixed at the top end of the sawing reduction gearbox. The sawing reduction gearbox output mechanism is detachably connected to a saw blade assembly. In the present invention, a compression nut on the sawing assembly is nut-connected to an output shaft in the middle of the sawing reduction gearbox output mechanism. The spiral tightening direction of its thread is opposite to the rotation direction of the saw blade during sawing work, and the contact surface between the compression surface and the saw blade assembly is an annular section with as large an outer diameter as possible, which can provide a large enough tightening torque to prevent the saw blade from loosening, greatly simplifying the cumbersome steps of on-site operation. At the same time, it is completed step by step according to the process of first rough positioning and then fine positioning, and it is easy to meet the installation requirements of high positioning accuracy.

The low-noise saw blade comprises a saw blade body, a mounting cavity is formed in the portion, between a mounting hole and sawteeth, of the saw blade body, rubber blocks are filled in the mounting cavity, fixing plates used for covering the mounting cavity are arranged on the front side and the rear side of the saw blade body, the mounting cavity is in a fan shape, and the rubber blocks are arranged on the fixing plates. The saw blade body is provided with a mounting hole, the saw blade body is arranged in an array mode with the mounting hole as the circle center, first silencing holes communicating with the sawtooth gaps are formed in the saw blade body and correspond to the sawtooth gaps, and the saw blade further comprises second silencing holes which penetrate through the fixing plate and the saw blade body. The saw blade has the advantages that the installation cavity is formed in the saw blade body, the rubber block is filled in the installation cavity, rigid saw blade materials are replaced by soft rubber, vibration waves generated by vibration in the high-speed rotation process of the saw blade body can be effectively absorbed, and therefore noise of the saw blade body is effectively reduced.

A cutting disk (30) configured to be connected to a power tool, comprising a metal disk (31), a plurality of cutting elements (32) connected to the metal disk (31), and an arbor hole (33) configured to be connected to the power tool, wherein the metal disk (31) includes an inner aperture (34) that is filled with a plastic inlay (35), wherein the plastic inlay (35) is connected to the metal disk (31).

The utility model discloses an MAG combined multifunctional sawtooth alloy saw blade with a self-guiding cutting deviation prevention function, and relates to the technical field of saw blade cutting. The metal saw blade comprises a saw blade base body, and a plurality of metal saw teeth are arranged on the saw blade base body. In the cutting process of the saw blade, each group of metal saw teeth comprises seven cutting tips and ten cutting edges, so that the saw blade with the design of the combined saw teeth is provided with multiple tooth tip cutting edges compared with any existing saw tooth design so as to reduce the abrasion speed of saw tooth alloy in the cutting process, and the service life of the saw blade is prolonged; meanwhile, the alloy of each tooth is of a symmetrical tooth top design, so that the saw blade can be effectively prevented from deviating leftwards and rightwards during cutting, a centering and cutting deviation preventing function is achieved, the cutting force of the saw blade is effectively reduced, and saw blade deviation and rigidity reduction caused by temperature rise of sawteeth in the cutting process are reduced, especially for metal cutting; and meanwhile, the electric energy loss of the motor is reduced.

The invention relates to the technical field of circular saw blades, in particular to a circular saw blade with R-angle tool bits, which comprises a saw blade base body and the R-angle tool bits distributed in the circumferential direction of the saw blade base body, an R-angle front tool face is arranged at the front end of the R-angle tool bit, the R-angle tool bit is divided into a first tool bit body and a second tool bit body, and the first tool bit body and the second tool bit body are different in tooth shape and are arranged alternately. Through the design of the R-angle front tool face of the R-angle tool bit, the wall attachment effect is generated on the R-angle tool bit, the speed of airflow flowing through the R-angle tool bit is greatly increased, the temperature of a tool nose is reduced, and therefore the service life of the tool bit is prolonged, meanwhile, cutting chips in the R-angle tool bit can form vortex chip removal, the discharging speed of the cutting chips is increased, and chip blocking is not prone to occurring; the design that the first tool bits and the second tool bits are alternately arranged is adopted, cutting resistance and vibration of the edge of the saw blade are reduced, and the cutting precision is improved on the basis of reducing cutting noise in cooperation with the high-damping silicon rubber noise reduction lines on the saw blade base body.

The invention provides a diamond saw blade tool bit and a preparation method thereof, and belongs to the technical field of diamond saw blades. The diamond saw blade tool bit is prepared from, by mass, 28%-45% of iron, 23%-35% of copper, 8%-16% of nickel, 10%-22% of cobalt, 3%-9% of tin, 0.2%-1.0% of hollow ceramic balls and 2.0%-4.0% of diamond. The invention further provides a diamond saw blade comprising the diamond tool bit and a base material. By adding the hollow ceramic balls, the effects of weakening the abrasiveness of the matrix, increasing the porosity of the diamond tool bit, facilitating rapid exposure of the diamond and increasing the slotting and polishing speed can be achieved in the diamond matrix. The diamond saw blade provided by the invention is suitable for processing non-metal brittle and hard materials such as expressways, airport runways, bridge engineering, stone processing and the like.

The present application relates to saw blade manufacturing technical field, and discloses a band saw blade manufacturing method and band saw blade, and the manufacturing method comprises the following steps: step S1, precision edge cutting;Step S2, tooth profile forming;Step S3, heat treatment strengthening;Step S4, composite straightening;Step S5, high-frequency welding;Step S6, partition roller pressing strengthening;Step S7, adaptive finishing;Step S8, closed-loop quality control;Band saw blade, hard alloy cutter head brazing is formed in the sawtooth part of tooth holder, and the multiple parallel roller pressing bands formed by partition roller pressing strengthening;Through the cooperation of partition roller pressing strengthening and adaptive finishing, the number and width of roller pressing areas are dynamically configured according to the width of band saw blade, reasonable isolation zones are set between adjacent roller pressing bands, local strengthening is realized, and the bending strength and fatigue resistance of tooth root are enhanced;According to the pitch, the process route is selected, and the tooth is ground after roller pressing strengthening or the tooth is ground before roller pressing, and the safety distance of roller working area and tooth root is reasonably controlled.

A rotatable tool-assembly (1) for processing wooden panels and the like, of the type comprising at least a first (2) and a second (3) disc blades that are adapted to be fitted on a same spindle, one beside and coaxial with the other; said first (2) and said second (3) disc blades being both provided with a central discoidal body (4) and a cutting toothed crown that comprises a plurality of protruding teeth (6) at least one of which has the front edge (6a) covered by a cutting insert (7); the cutting toothed crown of the first disc blade (2) being structured so as to be able to mesh in an angularly rigid manner with the cutting toothed crown of the second disc blade (3) and vice versa.

This application relates to a measuring device for characterising a saw band (11) of a band saw machine. According to one embodiment, the measuring device has the following: a first inductive distance sensor (30), which is designed to generate a sensor signal that represents a distance between a sensor position and a front side of the saw band (11), on which saw teeth (101, 102) are present; a support roller (32); and a preload mechanism, which is designed to press the roller against a rear side of the saw band (11).

The utility model discloses a circular saw blade which comprises a saw blade body. The saw teeth are uniformly distributed in the outer circumferential direction of the saw blade body; wherein each saw tooth comprises a tooth back face, a tooth top face and a cutting face, the tooth back faces, the tooth top faces and the cutting faces are sequentially connected, the range of the included angle between each tooth back face and the corresponding tooth top face is 100-150 degrees, and the range of the included angle between each tooth top face and the corresponding cutting face is 10-70 degrees. And the cutting efficiency and the cutting quality are improved through an acute angle formed between the tooth top surface and the cutting surface.

A saw blade includes a blade body having a top surface and a bottom surface, wherein the blade body is at least partially comprised of a first composite material or a metal; a cutting edge on a distal end of the blade body; and a coupling configured to connect the blade body to a handpiece adapted to oscillate the blade body. The saw blade may include:a first inlay portion and a second inlay portion, where the first inlay portion is either embedded in the top surface or covers the top surface, and the second inlay portion is either embedded in the top surface or covers the bottom surface; oran inlay portion sandwiched between a top portion and a bottom portion of the blade body.