2690 results about "Cutting tool" 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 invention relates to the technical field of cutting tools, in particular to a trilateral-handle efficient counter bit convenient to install, which comprises a chuck base, a first rotating sleeve rotationally installed in the chuck base, an installation rod and a trilateral-handle main body, a first limiting clamping block is rotationally installed on the inner wall of the chuck base, and a second limiting clamping block is rotationally installed on the inner wall of the first limiting clamping block; the first limiting clamping block is rotationally sleeved with a first rotating sleeve, the first rotating sleeve is rotationally sleeved with a second rotating sleeve, the inner wall of the second rotating sleeve is fixedly connected with a third limiting clamping block used for limiting the position of the second rotating sleeve, and the moving disc moves in the direction close to the threaded groove. Lubricating oil between the movable disc and the inner wall of the fixing sleeve is compressed, the compressed lubricating oil is pressed in along a hole between the threaded groove and the positioning screw rod, it needs to be noted that the inner diameter of the threaded groove is smaller in the direction closer to the movable frame, and no gap overflows when the lubricating oil reaches the tail end of the threaded groove; therefore, the fixed sleeve and the positioning screw rod are lubricated.

A method of controlling a surgical system includes obtaining a surgical plan containing a plurality of planned cuts, receiving a first cutting tool from a plurality of cutting tools at a surgical device, collecting a first checkpoint by tracking a probe as the probe contacts a first predefined point on the first cutting tool, collecting a second checkpoint by tracking the probe as the probe contacts a second predefined point at a first bone of a patient, automatically selecting a first planned cut from the plurality of planned cuts based on the first checkpoint and the second checkpoint, and, in response to automatically selecting the first planned cut, guiding execution of the first planned cut using the first cutting tool.

The invention provides a self-adaptive control method and system for a reciprocating cutting tool. The method comprises the steps that a working current signal of a driving motor, a reciprocating motion frequency signal of a saw blade and a three-axis vibration signal of the saw blade are collected in real time; calculating an average value component and a fluctuation peak value component of the working current signal, and calculating a vibration energy component of the three-axis vibration signal in the cutting direction; fusing the average value component, the fluctuation peak component and the vibration energy component in the cutting direction to generate a comprehensive load index of the current cutting period; jointly inputting the comprehensive load index, the frequency deviation and the change rate of the comprehensive load index into an adaptive strategy mapping model; a load control instruction is output, and the load control instruction comprises a feeding speed adjusting quantity, a motor power adjusting quantity and a torque curve adjusting parameter; and the feeding speed of the reciprocating cutting tool, the output power of the driving motor and the waveform characteristics of the instantaneous torque output curve of the driving motor in the single round-trip period are cooperatively adjusted according to the instruction.

Systems and methods utilize a CNC machine and include processor(s) that initiate display of a cutting program for cutting, via a cutting tool of the CNC machine, a block of material, where the cutting program sets a bounded region for cutting into the block of material. A selection of a first part from catalogued part(s) is received, and based thereon (i) G-code data of the first part into a current cutting cycle of the cutting program is imported, and (ii) a cutting tool path used to cut into the bounded region defined by the cutting program is displayed, where the cutting tool path outlining a shape of the first part such that cutting, via the CNC machine, along the cutting tool path forms the first part from the block of material. A positioning input is received that indicates a location for the cutting tool path relative the bounded region.

The application discloses a drilling tool with concave-convex matching on the side, which comprises a cutting part and a clamping part. The cutting part comprises an end cutting area, a bottom locating surface and a cutting side surface between the end cutting area and the bottom locating surface. The cutting side surface is provided with a plurality of side cutting areas and a plurality of side locating surfaces. The end cutting area and the side cutting area form a cutting area of the cutting part. The side locating surface is provided with an inner mounting hole. The clamping part comprises a clamping groove part and a handle part. The clamping groove part is provided with a bottom clamping surface and a side clamping surface corresponding to the bottom locating surface and the side locating surface respectively. At least one side locating surface is provided with a side locating convex part. The side clamping surface corresponding to the side locating surface is provided with a side clamping concave part. The side locating convex part and the side clamping concave part form a concave-convex matching to determine the mounting direction of the cutting part and realize the circumferential clamping and positioning of the cutting part, so as to transmit the cutting torque and the cutting force between the cutting part and the clamping part in the cutting process. The cutting tool has high rigidity, excellent anti-vibration performance, high positioning accuracy and long service life.

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 system for selectively opening flexible containers, such as plastic bags, in a mixed solid waste stream is disclosed, for use in Material Recovery Facilities (MRFs) or other contexts. The system may include a conveyor configured to transport waste, a sensor configured to detect the presence and position of flexible containers, and a multi-degree-of-freedom positioning device that moves a cutting tool relative to the containers. A processor, in communication with the sensor and positioning device, may calculate a cutting path and control the positioning device to execute the cutting operation. The system may utilize various cutting tools, including punches, blades, spades, shovels, and motorized saws, as well as non-contact fluid-based cutting technologies such as air or water jets. Additionally, the system can dynamically adjust the cutting trajectory based on real-time feedback and environmental conditions. The method provides an adaptable solution to open bags without damaging recyclable materials, improving throughput and reducing waste in mixed waste streams.

The utility model relates to the technical field of wood-working mechanical edge sealing equipment industry, and particularly discloses an edge sealing band floating type cutting mechanism which comprises an air cylinder bottom plate, an air cylinder is fixedly connected to the outer side of the air cylinder bottom plate, a cutter clamping sleeve is fixedly connected to the output end of the air cylinder, and a blade fixing plate is fixedly connected to the interior of the cutter clamping sleeve. The top of the air cylinder bottom plate is fixedly connected with an upper cutter guide groove, the bottom of the air cylinder bottom plate is fixedly connected with a lower cutter guide groove, the top of the air cylinder is fixedly connected with an exhaust valve, one end of the top of the exhaust valve is fixedly connected with a silencer, and the other end of the exhaust valve is in threaded connection with an L-shaped block insertion type threaded connector. The end, away from the cutter clamping sleeve, of the air cylinder is fixedly connected with a proximity sensor, the outer side of a bottom plate of the air cylinder is fixedly connected with a cutter groove, the swing assembly and the rotating shaft are arranged to control the whole cutting mechanism to swing, and meanwhile, the adjustable spring is reset through pressure, so that the cutter track material and the machining technology are optimized, and the cutting effect of a cutter edge is optimized.

The invention discloses a cutting blade and a cutting tool, and relates to the technical field of cutting tools, the cutting blade is provided with an upper wall surface and a side wall surface, a cutting edge is formed at least partially at the intersection of the upper wall surface and the side wall surface, the cutting edge at least comprises a tool nose cutting edge extending in an arc shape, and the upper wall surface is provided with a front tool surface, a chip breaker groove and a top surface. The upper wall face is provided with a protruding part corresponding to the tool nose cutting edge, at least part of the protruding part is located in the chip breaker groove, the protruding part extends to the front tool face from the top face, a flow guide groove is formed in the protruding part, and the flow guide groove extends to the front tool face from the top face. The protruding part is arranged and can be at least supported between the groove wall of the chip breaker groove and the front tool face, so that the structural strength of the cutting blade is improved; a flow guide groove is further formed in the protruding part, chip curling is facilitated, chip removal smoothness is improved, the risk of chip blockage is reduced, meanwhile, the flow guide groove can guide cutting fluid, the cooling efficiency of the cutting blade is improved, and the risk of tipping or damage of the cutting blade is reduced.

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 invention discloses a preparation technology of Si3N4 ceramic with high thermal shock resistance and oxidation resistance, and belongs to the technical field of high-temperature structural ceramic. The Si3N4 ceramic takes MgO and Yb2O3 as doping agents, the doping amount accounts for 4wt%-16wt% of the mass of a Si3N4 matrix, and the Si3N4 ceramic is prepared through a vacuumizing pressure sintering process. After the ceramic is subjected to air cooling and water quenching thermal shock at the temperature difference of 625-1225 DEG C, the bending strength of the ceramic has an ascending trend, and the bending strength of the ceramic has a slight reduction trend when the temperature difference of water quenching thermal shock is 1425 DEG C. A common sintering furnace is adopted to simulate a high-temperature oxidation environment, the oxidation temperature range is set to be 1000-1400 DEG C, and by analyzing a high-temperature oxidation weight gain curve, the Si3N4 ceramic is low in oxidation rate constant and high in oxidation activation energy, and the oxidized ceramic has stable bending strength, which indicates that the ceramic has excellent oxidation resistance in the high-temperature environment. The problem that the performance of the traditional Si3N4 ceramic is easy to attenuate in high-temperature circulation and oxidation environments is solved, and the Si3N4 ceramic can be widely applied to high-temperature service parts such as high-temperature cutting tools and aero-engine guide blades.

The invention relates to the crossing field of computer simulation and aerospace propulsion technology, and discloses a numerical simulation method for solid propellant grain cutting treatment, which comprises the following steps: establishing a three-dimensional model of a grain and a cutting tool, and defining a heat-force-damage coupling constitutive relation and boundary conditions; performing multi-physical field monitoring based on the weighted combination of the equivalent plastic strain, the temperature and the damage gradient at each time step; dynamically executing self-adaptive encryption and coarsening of the grid; in combination with dynamic load balancing in parallel computing, the resource utilization rate is increased; and material separation is simulated through a damage fracture criterion, and finally high-precision cutting force, a temperature field, a stress-strain field and a cutting morphology are output. According to the method, the simulation precision and efficiency are improved, and reliable support is provided for process optimization and safety evaluation.

The invention relates to the technical field of vapor deposition coatings, in particular to a high-wear-resistance diamond coating cutting tool and a preparation method thereof. The cutting tool sequentially comprises a base body, a transition layer, a diamond composite coating and an anti-oxidation protection layer from inside to outside, all the layer structures achieve a synergistic effect, and the technical effects of high bonding strength, high abrasion resistance and high-temperature stability are achieved. According to the preparation method, through matrix surface modification, gradient transition layer design and a multi-interface synergistic enhancement system constructed by a micro-nano composite coating structure, and in combination with precise regulation and control of a CVD preparation process, whole-process optimization from interface bonding to coating performance is realized, and the bonding strength, the wear resistance, the high-temperature stability and the preparation process consistency of the coating are remarkably improved.

The invention discloses five-axis numerical control equipment and method for helmet shell hole edge cutting. The equipment comprises a supporting module, a movement module (X / Y1 / Y2 / Z linear axis + A / C1 / C2 rotating axis, and each axis is provided with an independent motor), a machining module (double motorized spindles + corresponding cutters), a positioning module (vacuum suction cup + positioning pin + vacuum suction tube) and a control module. Y1 / Y2 double motors ensure stability in the Y direction, C1 / C2 double shafts are in linkage to be matched with a curved surface, the double motorized spindles can switch the tool specification, and the vacuum suction pipe forms a complete adsorption channel. The device hole edge error is smaller than or equal to + / -0.05 mm, the carbon fiber yield is larger than or equal to 95%, the efficiency is improved by 40%, the device is compatible with helmets of multiple materials and multiple specifications, the device and labor cost is reduced, the GB 24429-2020 standard is met, and the device is suitable for batch production.

The invention relates to the technical field of steel sheet pile welding machining, in particular to a welding device for steel sheet pile machining, which is characterized in that a positioning mechanism and a fitting mechanism are arranged on an L-shaped adjusting table, and a cutting mechanism is arranged on the fitting mechanism; the auxiliary guiding device capable of being matched with pile bodies of different specifications and sizes can be rapidly assembled to the end of the steel sheet pile, and multi-angle and multi-direction stable limiting guiding can be conducted on portable cutting tools such as a handheld plasma cutting gun through the auxiliary guiding device; an operator can drive a cutting tool to stably and continuously perform cutting along the irregular section contour of the steel sheet pile; in addition, workers can conveniently carry the auxiliary guiding device to quickly transfer the operation position, so that groove cutting can be directly carried out on site in a steel sheet pile storage yard, the tedious process of repeatedly transporting a large number of pile bodies to fixed large equipment is avoided, and the dependence on heavy special equipment is remarkably reduced.

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.

The application belongs to the field of cutting tools, and provides a turning force measuring tool with embedded flexible sensors and a machine tool, which effectively measures the turning force without affecting the structure of the turning process, and ensures the accuracy and reliability of the signal, and the technical scheme comprises a tool body, the tool body comprises a blade, a positioning assembly and a clamping assembly for clamping the blade; the positioning assembly comprises a freedom degree limiting assembly for limiting the movement of the blade along the x-axis, y-axis and z-axis directions; a flexible sensor is arranged on the lower surface of the blade, a flexible circuit is arranged at the front end of the tool body, the pressure sensor and the flexible circuit are connected through flexible wires; the flexible sensor is used for converting the deformation of the blade under the action of the turning force into a voltage signal; and the flexible circuit is used for calculating the size of the turning force according to the relationship between the voltage signal and the turning force.

The present application relates to the technical field of ultrasonic machining, and particularly relates to an ultrasonic plunge-cut tool and an ultrasonic machining device. The ultrasonic plunge-cut tool provided by the present application comprises a connecting assembly, a tool main body and a chip removal assembly. The tool main body is internally provided with a chip removal channel. The end of the chip removal channel at the first end of the tool main body forms a cutting edge. The second end of the tool main body is detachably fixed on the connecting assembly, so that the tool main body can be conveniently replaced, and the cost is reduced. The chip removal assembly is rotatably arranged on the connecting assembly around an axis and located in the chip removal channel. The chip removal assembly can be elongated or shortened along the extension direction of the chip removal channel, so that the cutting chips in the chip removal channel can be discharged, and the cutting chips do not need to be manually cleaned, and the machining efficiency is improved. The ultrasonic machining device provided by the present application applies the above ultrasonic plunge-cut tool, facilitates cutting machining, is convenient for replacing the tool main body, does not need to manually clean the cutting chips, and has high machining efficiency.

Furniture such as desks and other items are provided with sound absorbing features consisting of micro-perforations extending through structures having vertical surfaces. The micro-perforations are formed using a LASER cutting tool or a punch and are either cylindrical or frustoconical. The micro-perforations are formed in drawer facings, doors, support structures, and free-standing objects and storage devices having vertical surfaces. The micro-perforations have diameters in the range of 0.20 to 0.70 mm. The micro-perforations have been found to increase sound absorption of a desk by as much as 4 Sabins within the frequency range of 100 to 5,000 Hz. Structural panels consisting of front and rear micro-perforated panels surrounding a porous central core may be employed in such furniture.

The invention discloses a machining tool that produces little wear at the joint of a main drive shaft (14) and a transmission shaft (5). The machining tool comprises an upper shaft (6) attached to a main machine device, a transmission shaft (5) inserted into the upper shaft (6), a main drive shaft (14) attached to the head of the transmission shaft (5), a holder (15) inserted into the head of the main drive shaft (14) and having a cutting tool attached thereto, a spherical bearing (4) supporting the outer side of the main drive shaft (14) so that the main drive shaft (14) can be tilted, a center steel ball (7) clamped between the recess of the head of the transmission shaft (5) and the opposite recess of the rear end of the main drive shaft (14), and an axial steel ball (10) disposed in the long groove (11) of the outer surface of the head of the transmission shaft (5) and in the hole (18) of the main drive shaft (14).

A cutting tool includes a bearing member, a first cutting member, a second cutting member, a manipulation member, an avoidance part and a measuring member. The first cutting member is fixedly disposed on one side of the bearing member. The second cutting member is pivotable about a first axle provided on the bearing member, and the manipulation member is pivotable about a second axle provided on the bearing member. The manipulation member and the second cutting member make up an effort-saving lever, in which the manipulation member drives the second cutting member to move. The cutting tool may further include a handle. The handle is configured to be insertable into and positionable at an end of the manipulation member away from the second axle.

The utility model discloses a cutting tool with a cooling device, which relates to the technical field of cutting tools and comprises a tool body, one side of the tool body is fixedly connected with a tool bit, and a cooling component is arranged in the tool bit. Cutting fluid is sprayed out from the nozzle to cool the top position of the blade, and meanwhile, the cutting fluid enters the cooling groove, so that the effect of cooling the bottom of the blade is achieved, the cooling effect on the blade is further improved, abrasion and deformation of the blade caused by high temperature are reduced, the service life of the blade is prolonged, and the production efficiency is improved. Meanwhile, size errors caused by thermal deformation are effectively prevented, the machining precision and the workpiece quality are ensured, a worker rotates a square handle to drive a threaded rod to rotate, a supporting block moves up and down, then the overall height of the cutter body is adjusted, the process of manually adding or replacing a gasket is avoided, and the machining efficiency is improved. Downtime and intervention of operators are remarkably reduced, production efficiency is improved, and machining flexibility and adaptability are enhanced.

The utility model discloses a cutting tool for wire harness processing, which comprises a base, a supporting seat arranged on the base, a conveying roller arranged on the supporting seat and used for conveying wire harnesses, a processing table arranged on the supporting seat, and a guide assembly arranged on the processing table and used for guiding and limiting the wire harnesses. The supporting seat is provided with a cutting knife used for cutting the wire harness, the cutting knife is provided with a downward pressing assembly used for fixing the two sides of the cutting point of the wire harness, the wire harness conveying device is provided with the guiding assembly, when the wire harness is conveyed to the position below the cutting knife, the guiding assembly can guide the wire harness, inclination of the cutting surface caused by deviation of the wire harness is prevented, and the wire harness conveying device is convenient to use. When the cutting knife descends to cut the wire harnesses, the downward pressing assembly firstly presses the guiding assembly to press and fix the two sides of the cutting points of the wire harnesses, so that the wire harnesses can be prevented from being broken after being cut off, and meanwhile, due to the fact that the two ends of the wire harnesses are pressed and fixed, the two wire harnesses after being cut off are still kept in the state before being cut off.

The application discloses a straight profile ring surface worm turning machining machine tool and a machining method, wherein the machine tool comprises a machine tool body, a driving assembly, a tool assembly and a control assembly; the driving assembly is arranged on the machine tool body; the tool assembly is arranged on the machine tool body and located on the side surface of the machine tool body, the tool assembly comprises a cutter head engaged with a worm blank, a plurality of turning groups are arranged on the cutter head, and the turning groups are fixed on the outer circumferential surface of the cutter head in the circumferential direction of the cutter head at equal intervals; and the control assembly is arranged on the machine tool body and electrically connected with the driving assembly and the tool assembly respectively. The machining method comprises connection and turning. The straight profile ring surface worm turning machining machine tool and the machining method are characterized in that a plurality of turning groups are arranged, the cutter head and the plurality of cutting tools form a worm gear type cutter similar to a worm gear, the cutter head is equivalent to a worm gear body, the cutting tools are equivalent to worm gear teeth, the worm gear type cutter is engaged with the worm blank to cut out worm teeth, and the machined worm is closer to a worm theoretical value.

To reduce a preparation time for machining.SOLUTION: A machining program generation device that generates a machining process and a machining program of a machine tool including a spindle to which a cutting target is attached, a rotation mechanism that rotates the spindle, a cutting target feeding mechanism that moves the cutting target in a feeding direction with respect to the spindle, a tool holding unit that holds a cutting tool that cuts the cutting target, and a moving mechanism that moves the cutting tool in a direction intersecting the feeding direction of the spindle, the machining program generation device comprising: The machine tool includes a machining region acquisition unit configured to acquire a difference between a material shape of a cutting target and a target shape as a machining region to be machined by a cutting tool, a machining region division unit configured to divide the machining region into a plurality of elements, and an order determination unit configured to determine a machining order of the plurality of elements.SELECTED DRAWING: Figure 6

This utility model discloses an auxiliary device for inspecting the appearance of cutting tools, comprising: a base, on which multiple positioning blocks are arranged side by side, each positioning block having a first side, a second side, and a third side, the second and third sides being perpendicular to the first side; a first positioning groove, formed by two adjacent positioning blocks on the first side, used to position the circumferential cutting edge of a small-diameter cutting tool; a positioning platform, formed between the second and third sides and the base, used to position the bottom of the tool shank; and a second positioning groove, located on the side of the base away from the positioning blocks, used to position the circumferential cutting edge of a large-diameter cutting tool. When using this auxiliary microscope for inspection, it can not only inspect the appearance of the circumferential cutting edge and the top teeth of the cutting tool, but also inspect cutting tools of different sizes. During inspection, there is no need to frequently change matching V-blocks, simplifying the operation process and improving inspection efficiency.

The invention relates to the technical field of functional materials, in particular to a tungsten hard alloy and a preparation method and application thereof. According to the invention, yttrium oxide and cerium oxide with specific contents are compounded for use, so that the hardness of the tungsten hard alloy is further improved. Moreover, through graphene oxide, on one hand, the hardness of the tungsten hard alloy is improved, on the other hand, the integrality and the machining performance of all the components are enhanced, and it is guaranteed that yttrium oxide is effectively combined with cerium oxide, tungsten carbide and titanium carbide. By introducing the iron powder and the cobalt powder, on one hand, the bonding effect is achieved, and on the other hand, the synergistic effect of yttrium oxide, cerium oxide and graphene oxide is promoted, so that the tungsten hard alloy with higher hardness is formed on the premise that the overall performance of the tungsten-titanium-cobalt hard alloy is guaranteed. The tungsten hard alloy provided by the invention can meet the performance requirements in the field of cutting or precision parts, can be processed into cutting tools or precision parts, and has a wide application prospect.

The application provides a guided tooth repair method, system and storage medium, which realizes the conversion and unification of the coordinate systems among multiple systems through technical steps such as CBCT data acquisition, CT three-dimensional model creation, robot calibration, matrix conversion relationship analysis, and the like, and then, after a tooth repair scheme is formulated based on the CT three-dimensional model, the matrix conversion relationship among the coordinate systems of the oral cavity reference plate, the CT and the optical positioner is obtained, the cutting tool and the repair tool on the robot are guided through the optical positioner, the real-time pose of the patient is judged in the assistance of the optical positioner by combining the running track data of the cutting tool and the running track data of the repair tool, the cutting and repair are guided in real time, human errors are avoided, the operation precision is improved, and the tooth repair effect is ensured.

The utility model belongs to the technical field of machining cutters, particularly relates to a high-cutting-force ultra-fine particle tungsten steel forming cutter, and aims to solve the problems that an existing device is of an integral structure, when a cutting edge of a cutter core is abraded or damaged in the using process, the whole cutter needs to be replaced, great waste is caused, and machining cost is increased. According to the scheme, the tool comprises a tool bar, a tool bit is arranged at one end of the tool bar, and a cutting edge is spirally installed on the surface of the tool bit in a surrounding mode; the tool has the advantages that the tool is of a detachable structure, when the cutting edge of the tool bit is abraded or damaged, only the tool bit needs to be replaced, the whole tool does not need to be replaced, machining cost is reduced, tool bit replacement operation is simple, the tool bit and the tool bar can be easily separated by unscrewing the limiting bolt and rotating and moving the rotating sleeve, the tool bit can be conveniently and rapidly replaced, and machining efficiency is improved. The downtime is reduced, the production efficiency is improved, cutting contact points are increased due to the fact that the cutting edges on the tool bit are distributed in a tooth shape, and the cutting efficiency is improved.