319results about "Metal sawing tools" patented technology

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 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).

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.

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 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 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.

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.

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.

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.

The utility model relates to the field of diamond saw blades, and discloses a diamond saw blade with a replaceable tool bit, which comprises a saw blade main body, a fixing mechanism is arranged in the saw blade main body, the fixing mechanism comprises a shell which is in sliding connection with the inner wall of the saw blade main body, and the inner wall of the rear end of the shell is rotatably connected with a fixing threaded column. The outer wall of the fixed threaded column is sleeved with a movable column, the outer wall of the movable column is fixedly connected with a plurality of main fixing frames, and the interiors of the main fixing frames are rotationally connected with connecting frames. According to the saw blade disassembling device, movement of the movable column can be controlled through the main rotary knob, when the movable column moves, the fixed block can be driven to move, at the moment, the fixed block is matched with the fixed groove so as to control fixation of the saw blade body, then the saw blade body can be rapidly disassembled, and the disassembling efficiency of a worker on the saw blade body is improved; the time for replacing the saw blade due to standby is shortened, and the working efficiency of workers is improved.

The application discloses a cutting saw blade stress correction method and system, and relates to the technical field of saw blade cutting. The method comprises the following steps: acquiring a cutting saw blade substrate deformation deviation and a radial coordinate position; acquiring real-time execution pressure based on the deformation deviation, the radial coordinate position, a substrate nominal thickness and a material characteristic compensation coefficient; and performing correction based on the real-time execution pressure and the radial coordinate position. The application determines the real-time execution pressure by self-adapting the physical parameters of the cutting saw blade, thereby improving the accuracy of correction.

Sawteeth are provided with sharp head portions and round head portions, the sharp head portions are higher than the round head portions, and tool bits are welded to the sharp head portions. The damping grooves are formed between any two sawteeth; first grooves are formed in the upper end faces of the tool bits, and second grooves are formed in the front side faces of the tool bits. A plurality of damping grooves are formed in the saw blade body, so that the toughness of the saw blade body is improved, and vibration is reduced; the first groove and the second groove are formed in the upper end face and the front side face of the tool bit, the section of the first groove and the section of the second groove are both in an arc shape, the angle of the front angle of the tool bit is increased through the second groove, the cutting edge of the tool bit is sharper, the cutting edge of the tool bit is in an arc shape through the first groove, cutting is facilitated, and therefore the cutting performance of the saw blade is improved.

A saw blade comprises a body with a cutting section having a rim and a plurality of cutting teeth sequentially aligned along the rim. Each cutting tooth of the plurality of cutting teeth is formed from a corresponding plurality of carbide inserts discretely resistance-welded to the rim. The body comprises at least 15 teeth per inch.

The insert (100) comprises an exposed serrated cutting edge (101) and a first line of weakness (102) behind and spaced apart from the exposed serrated cutting edge (101), the line of weakness (102) being shaped to provide a second serrated cutting edge when the insert (100) is broken along the line of weakness. The tool blade (100) may be a saw blade (100), and / or a spacing between a foremost point of the exposed serrated cutting edge (101) and a foremost point of the second serrated cutting edge (102) may be at least 2 mm. A tool comprising such a blade 100 and a tool for breaking such a blade (100) along a line of weakness (102) are also provided.

The present invention relates to a tool blade (14) having a structure (24) comprising at least two elements (22) on at least one side (26) of the tool blade (14), wherein the structure (24), together with its elements, is rotationally symmetric with respect to a rotation angle of less than 360°, particularly 180° at most, about the central blade rotation axis (R) of the tool blade (14), but is not mirror-symmetric with respect to any diameter of the tool blade (14) extending through the blade rotation axis (R). The present invention also relates to a tool mounting section (12), a tool blade system (15), and a power tool (10). The tool enables particularly safe operation.

The invention relates to a ring saw (2) comprising a tool holder (5) for guiding a ring saw blade (1) in a cutting pane, a motor and a drive wheel (6) that is arranged in the cutting plane for driving the ring saw blade and is coupled to the motor. A guide roller (41) is arranged on one side of the cutting plane for guiding the ring saw blade from the one side. A guide drum (43) is arranged on an opposite side of the cutting plane to guide the ring saw blade from this opposite side. The guide drum is arranged in a hood (34) that can be pivoted relative to the cutting plane.

A circular saw blade includes a plurality of cutting teeth repeatedly alternating between a first set of cutting teeth and a second set of cutting teeth around the periphery of the saw blade. Each first set of cutting teeth includes at least two efficient cutting teeth, each second set of cutting teeth comprising at least ne robust cutting tooth. Each first set of teeth and each second set of teeth are configured such that, if one tooth in the first set of teeth breaks, the chip load in the immediately following second set of teeth increases by less than approximately 45%.

The present invention relates to a portable machine (1) for cutting composite material parts. The portable machine (1) includes a compression module (2) including one or more upper rollers (4) and two or more lower rollers (6). The upper rollers (4) are coupled to a mechanism configured to compress the part to be cut by longitudinally moving the upper rollers (4). At least one upper roller (4) is longitudinally offset relative to the adjacent lower roller (6) by an offset angle (α) between 45° and 15°, such that the composite material part is compressed by the rollers (4, 6) in a direction substantially perpendicular to the fiber direction, thereby fracturing, delaminating, and breaking the fibers prior to cutting in a diamond wire cutting module (7).

The invention relates to a tool device (11) for receiving in a hand-held power tool (211), which hand-held power tool can operate the tool device in a rotatable manner about an output shaft of a tool receiving device (213), which tool device is used, in particular, for machining a workpiece, which tool device has at least one attachment device (13), which can be connected in a releasable manner to the output shaft of the hand-held power tool (211), wherein the attachment device (13) can be fastened on the tool receiving device (213) in such a way that an output axis (A) of the output shaft and a tool rotation axis (a) of the tool device (11) essentially coincide, wherein the attachment device (13) has a slot (17). It is proposed that the attachment device (13) has at least one clamping wing (19), which at least partially delimits the slot (17) in a radial direction of the tool rotation axis (a), which clamping wing is essentially delimited by a first boundary edge (21) in a radial direction with respect to the tool rotation axis (a), which first boundary edge lies on a first, in particular smallest, boundary circle (23) about the tool rotation axis (a), wherein the clamping wing (19) extends at least essentially along an orthogonal plane with respect to the tool rotation axis (a).