652results 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.

The invention discloses a uniformly distributed saw blade and a preparation method thereof, and relates to the technical field of saw blades. The evenly-distributed saw blade comprises a base body and tool bits, a plurality of tool bits are annularly welded to the periphery of the base body, a plurality of diamonds are distributed on the tool bits through a net plate adsorption evenly-distributed technology, the tool bits are formed by sintering matrix powder, and the matrix powder comprises, by weight, 30%-40% of copper powder, 20%-30% of copper-tin diffusion powder, 10%-20% of carbonyl iron powder and 5%-10% of nickel powder. And 10%-15% of tin powder. According to the saw blade preparation process, a screen adsorption uniform distribution process and saw blade uniform distribution design are adopted, it is guaranteed that when the first diamond is consumed by 1 / 5-2 / 3, the second diamond can be exposed, it is guaranteed that edges are exposed when the diamonds are consumed to any height, and the cutting continuity of the diamonds is improved. The diamond of 60-100 meshes is used in the saw blade, a finer cutting face can be formed in the cutting process, and the saw blade is suitable for machining tasks with the high requirement for cutting precision. The 60-100-mesh diamond particles are suitable for cutting hard and brittle materials, and edge breakage and cracks of the materials can be reduced in the cutting process.

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 band sawing machine capable of cooling cutting equipment and relates to the field of band sawing machines, the band sawing machine comprises a base, a supporting table and a power box, a saw blade is installed in the middle of the supporting table, a driving mechanism is installed on the side face of the power box, and the output end of the driving mechanism is connected with a transmission mechanism and a heat dissipation mechanism; the output end of the transmission mechanism is connected with a sliding plate, the bottom end of the sliding plate is connected with an upper clamping plate connected with the saw blade in a clamped mode, and a lower clamping plate is installed on the inner wall of the base and located below the supporting table. The collection fan and the cooling fan connected with the output end of the driving motor rotate to drive air in the power box to flow, so that the air enters through the grooves in the outer side of the protective shell and enters the power box through the air holes, the air flow cools the driving motor, and after entering, the air flow is driven by the collection fan to cool the power box. The air is gathered and flows along the flow guide plate, and finally the air flow is exhausted through the cooling fan, so that the interior of the power box is cooled.

The invention discloses a tungsten alloy wire which is composed of a tungsten alloy bus and a self-lubricating composite coating, and the self-lubricating composite coating sequentially comprises a pre-coating and a composite coating from inside to outside. The method has the beneficial effects that on one hand, the tungsten alloy bus is subjected to etching treatment through concentrated hydrochloric acid or hydrofluoric acid, and meanwhile, the pre-plating layer is added, so that the binding force between the electroplated layer and the tungsten alloy wire is enhanced; meanwhile, the lubricating composite coating is prepared by adding solid lubricating particles into the electroplating liquid for composite electroplating, so that the die loss in the drawing process is effectively reduced, and the cost is saved; and on the other hand, a nickel aminosulfonate pre-plating process is changed, and impact nickel is used as a pre-plating bottom layer of the diamond wire, so that the binding force of the grinding composite coating and the diamond wire bus is improved, and the problems of wire breakage or silicon wafer scratching and the like caused by falling of the grinding composite coating in the cutting process of the diamond wire can be prevented.

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 discloses a circular saw blade base body provided with a vibration reduction inner cavity and a method, solves the problem that the rigidity of a saw blade is reduced due to the arrangement of a vibration reduction groove of the saw blade in the prior art, and has the beneficial effects of effectively absorbing vibration and improving the rigidity of the saw blade. Comprising a first saw blade body and a second saw blade body, the inner side face of the first saw blade body is connected with the inner side face of the second saw blade body, and a damping groove is formed in the inner side face of at least one of the first saw blade body and the second saw blade body so that a circular saw blade base body can be provided with a damping inner cavity; the depth of the vibration reduction grooves is smaller than the thickness of the first saw blade body or the second saw blade body, and when the first saw blade body and the second saw blade body are provided with the vibration reduction grooves, the shapes of the vibration reduction grooves are the same or different, and the arrangement modes of the vibration reduction grooves are the same or different. The first saw blade body and the second saw blade body are both provided with vibration reduction grooves, and when the first saw blade body and the second saw blade body are in butt joint, the vibration reduction grooves are arranged in a staggered mode.

The hard alloy circular saw blade tool bit structure convenient to install and capable of being repeatedly used comprises a saw blade body, tooth-shaped protrusions are evenly distributed on the outer edge of the saw blade body, two positioning grooves are formed in the two sides of the upper portion of each tooth-shaped protrusion, and a partition wall is arranged between the two positioning grooves. A baffle is fixed to the outer side of the partition wall and used for pressing and limiting the two tool bits in the two positioning grooves respectively, the thicknesses of the two tool bits on each tooth-shaped protrusion are different, and two or more identical cutting edges are evenly distributed on each tool bit. When one cutting edge on the tool bit is abraded, the cutting edge can be detached for replacement, so that corner replacement use is achieved, the utilization rate of the tool bit is improved, the service life is prolonged, the two tool bits can be synchronously fixed and limited through the baffle, detachment and installation are convenient, consistency after installation can be guaranteed, and the cutting effect is guaranteed.

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.

The present invention provides an improved surgical instrument for performing bone osteotomies with reduced heat generation.

The invention relates to the technical field of diamond wire saw preparation, in particular to a small-diameter diamond wire saw and a preparation method thereof. The small-diameter diamond wire saw comprises a steel wire rope and a plurality of sets of beads fixedly arranged on the steel wire rope in a sleeving mode, each set of beads comprises at least one thick ring and at least one thin ring, the outer diameters of the thick rings and the outer diameters of the thin rings are the same, the thickness of the thick rings is 2-5 times that of the thin rings, and the thick rings and the thin rings are arranged on the steel wire rope at intervals. And the thick rings and the thin rings of the plurality of groups of beads are fixedly connected with the steel wire rope through injection molding layers. According to the small-diameter diamond wire saw and the preparation method thereof, the thick ring and the thin ring adopt ring sheet structures, so that high cutting efficiency can be achieved while the service life of a product is ensured. And meanwhile, the small-diameter string bead does not contain a base body, so that the production process is simple, and the string bead is modularly produced by combining thickness and thickness, so that the consistency and durability of the product are greatly improved.

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).

A track saw assembly is provided including a track saw (i.e., a circular saw) having a shoe translatable upon a track. Various mechanisms control plunging of a saw unit and saw blade of the track saw relative to the shoe. For example, a plunge lockout mechanism is provided to prevent engagement of a trigger and prevent movement of a plunge mechanism. Various mechanisms control bevel angle adjustment of the saw unit relative to the shoe. For example, a linkage is provided and is operable to shift between a first position and a second position. In the first position, a bevel angle is restricted within a first bevel angle range. In the second position, the bevel angle is restricted within an expanded second bevel angle range. Other concepts relate to the interface between the shoe and the track and a clamp which secures the track to a workpiece.

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.

The utility model discloses a bass type multilayer saw blade, which belongs to the technical field of saw blades and comprises a first saw blade, mounting holes, a second saw blade and a silencing piece, the front end and the rear end of the silencing piece are respectively welded with the first saw blade and the second saw blade, and the mounting holes are formed in the centers of the first saw blade, the second saw blade and the silencing piece. The first saw blade, the second saw blade and the silencing piece are all connected with the limiting assembly. By means of the mode, when the first saw blade, the second saw blade and the silencing piece are welded, the phenomenon that the positions of the first saw blade, the second saw blade and the silencing piece deviate is avoided; the silencing piece is made of materials which are good in heat conductivity and capable of absorbing vibration, vibration generated during high-speed cutting of the saw blade can be relieved, heat generated during high-speed cutting of the saw blade can be absorbed, and therefore noise is further reduced, and heat dissipation is accelerated.

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 belongs to the technical field of electric tools, and specifically relates to a quick-change system for a hole opener saw blade, a hole opener assembly having the quick-change system, and a saw blade quick-change method based thereon. The quick-change system includes a first connecting mechanism and a connecting release mechanism that can be detachably matched, the connecting release mechanism includes a second connecting mechanism, and the first and second connecting members are respectively provided with a first and a second force-bearing end, and the setting direction of the two corresponds to the driving rotation direction, so as to transmit torque after matching to drive the saw blade. Thereby, the saw blade can be quickly installed and released, and with the further provided detachable panel, rapid locking and stepless replacement of the saw blade can be achieved.

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.