21results about How to "Improve Chip Evacuation" patented technology

The invention discloses a segmented combined type worm grinding wheel based on spiral surface structuring and a laser finishing method, and belongs to the technical field of precise gear grinding. The working surface of the inner side of a spiral tooth groove of the worm grinding wheel at least comprises a section of structured area and a section of unstructured area in the axial direction; the structured area is provided with a crescent groove used for forming a grinding fluid storage and abrasive dust discharge channel in the grinding process. And the unstructured area keeps a continuous grinding surface and is used for finishing the surface of the machined workpiece in the structured area. According to the method, the laser processing head is controlled through multi-axis linkage to accurately describe an arc-shaped processing track in a spiral expansion coordinate system, the morphology consistency and the space precision of grooves are guaranteed, and the manufactured worm grinding wheel has good cooling, chip removal and accurate grinding performance and is suitable for high-efficiency and high-precision gear manufacturing.

This invention discloses a roughing and finishing integrated turning insert, belonging to the technical field of metal cutting tools, comprising a cutting section and sidewalls. The cutting section forms multiple cutting zones, including a sequentially connected tip area, a first cutting zone, a second cutting zone, and a third cutting zone. By dividing the cutting section into multiple cutting zones, the insert forms a spatially varying structure with progressively decreasing sharpness and structural strength. The insert exhibits a characteristic where the edge sharpness gradually decreases in the positive direction, while the edge strength and impact resistance gradually increase. This allows for a transition from high cutting force to high load-bearing capacity when different cutting zones are selected for different machining stages, enabling a single tool to cover all machining conditions from roughing to semi-finishing to finishing, fundamentally reducing tool change frequency and improving machining continuity and efficiency.

The utility model discloses a novel MCD spiral milling cutter belongs to cutter technical field, including the cutter bar and the MCD spiral tool bit of lower end, the outer diameter of spiral tool bit is not greater than the outer diameter of cutter bar, the end of spiral tool bit is radially equipped with n end edges, and the outer circular surface of spiral tool head is equipped with n spiral edges, and the spiral chip groove is formed between two adjacent spiral edges, n spiral edges all are equipped with the staggered blade surface, and the staggered blade surface on two adjacent spiral edges is axially staggered arrangement. The utility model discloses a spiral tool bit of welding fixed MCD material is arranged at the lower end of cutter bar, utilizes the multiple end edges of spiral tool head end and the multiple spiral edges of all around and processes the product, can improve product surface brightness, improves processing efficiency simultaneously, prolongs the service life of cutter, improves the performance of chip removal with the spiral chip groove of all around, utilizes the staggered blade surface on spiral edge can make spiral edge staggered arrangement, can make the surface of processing no knife line, further improves product processing surface quality.

The utility model discloses a kind of anti-deformation diamond saw blades, including base, the rim of base is provided with multiple circumferential array distribution plane, the surface of each plane is provided with two symmetrically distributed insertion cavities, the surface of base is provided with the through hole of insertion cavity, the insertion cavity is inserted with the insertion plate in each, the both sides of insertion plate are located in the through hole and are provided with lug, the surface of lug is provided with wear strip.The utility model is provided with wear strip, so that the both sides wear strip of base are projected from the surface of base, reduce the friction between base and the object to be cut, avoid the phenomenon of "clamping saw", prevent the deformation caused by the wear of base side at the same time, high-quality cut surface can be obtained by using the good grinding property of superfine abrasive.

This utility model relates to the technical field of CNC machine tool accessories, specifically disclosing a vibration-damping tool mounting base for CNC machine tools. It includes a housing, a tool mounting cavity I in the middle of the housing, and a mounting hole at the bottom of mounting cavity I, which is detachably connected to the mounting end of the tool. The tool tip extends out of mounting cavity I. Several damping rings are installed within the mounting cavity, contacting the outer wall of the tool's mounting end. Several mounting cavities II are symmetrically arranged around mounting cavity I at the front end of the housing. Each mounting cavity II contains a cutting fluid nozzle. A connection hole is provided on the side wall of the housing, and a fluid channel is provided between the connection hole and the mounting cavity II. A detachable fluid inlet pipe is installed at the connection hole. This utility model, through the use of multiple vibration-damping structures including damping rings, damping block I, damping block II, and damping block III, effectively reduces tool vibration during cutting, improves machining accuracy, and extends tool life.

The application provides an integrally formed tool suitable for stepped hole machining, comprising a stepped hole machining part and a tool shank part, characterized in that the stepped hole machining part comprises at least a drilling cutting area and a counterbore cutting area, the drilling cutting area comprises a centering cutting position and an opening cutting position connected with the centering cutting position, and the cutting positions of the centering cutting position and the opening cutting position form a preset inner recess angle. The integrally formed tool suitable for stepped hole machining improves the machining efficiency of the stepped hole.

The utility model relates to the technical field of drilling tool devices, in particular to an assembled deep hole steel plate drill which comprises a tool handle, a tool bar and a tool bit, the tool bar is connected with the tool handle and the tool bit in a threaded fit mode, the tool handle serves as a component connected with drilling machine equipment and is connected to the rear end of the tool bar, and the tool bit serves as an operation component and is connected to the front end of the tool bar. A spiral chip groove is formed in the outer wall of the tool bit. Due to the adoption of an assembled structure, when the steel plate drill fails, only the tool bit needs to be replaced, the whole steel plate drill does not need to be replaced, the cost can be effectively reduced after the steel plate drill is used for a long time, and an efficient and reliable solution is provided for various engineering operations related to extra-long and extra-large steel plate drilling. The specially-designed spiral chip removal grooves greatly enhance the chip removal capacity, it is guaranteed that the drilling process is smooth and free of hindrance, the drilling efficiency is greatly improved, and the machining quality is effectively improved. Due to the comprehensive application of the multi-blade tooth cutting structure and the wear-resistant coating, the steel plate drill can bear larger cutting force, the durability is remarkably improved, and the service life is prolonged.

The utility model discloses a high-chip-removal PCB drill bit, and relates to the technical field of PCB drill bits. One end of the drill body is a drill tip end, and the other end is a drill handle end; the drill body is sequentially provided with a double-groove section and a single-groove section from the drill tip end to the drill handle end, or the drill body is provided with the double-groove section from the drill tip section to the drill handle end. Grooves are formed in the peripheral wall of the drill body in a spiral surrounding mode, the grooves are parallel double grooves in the double-groove section, and the grooves are single grooves in the single-groove section. When the drill body is only provided with the double-groove section, a first cutting face is formed on the wall face close to the groove in the radial width direction. When the drill body is provided with the double-groove section and the single-groove section, a first cutting face is formed on the wall face, close to the single groove, of the single-groove section in the radial width direction. The embodiment of the utility model further provides a drilling device. The drilling device comprises the PCB drill bit. According to the scheme, the chip removal performance of the drill bit is effectively improved, the problem of wire winding of the drill bit is avoided, and the drilling quality is improved.

The utility model relates to the technical field of cutter chip removal, in particular to a cutter chip removal groove structure which comprises a machining assembly, an assembly fixator is installed at the top end of the machining assembly, a discharging groove is formed in the outer surface of the machining assembly, a chip removal device is arranged on the outer surface of the machining assembly and comprises air blowing holes, and the air blowing holes are formed in the inner side of the discharging groove. A supporting sleeve is fixedly connected to the outer side of the assembly fixator, a driving motor is fixedly connected into the supporting sleeve, fan blades are fixedly connected to the driving end of the driving motor and located in the supporting sleeve, a connecting rod is connected to the bottom end of the supporting sleeve in a threaded mode, the connecting rod is connected with the interior of the assembly fixator in an inserted mode, and an air inlet hole is formed in the top end of the machining assembly. According to the utility model, the chip removal device is arranged, so that metal chips on the inner side of the discharge groove can be effectively removed, the friction between the metal chips and a workpiece caused by the driving of a cutter during working is avoided, and the problem that the surface of the workpiece is scratched is further reduced.

This utility model discloses a double-sided milling cutter with a positive axial rake angle, relating to the field of metal cutting technology. It includes a cutter head structure with several insert structures mounted on its surface. Each insert structure consists of a flank face, a first connecting arc, a second connecting arc, a short cutting edge, a long cutting edge, a side cutting edge rake face, a bottom cutting edge rake face, an end face, insert screw holes, and a rake face arc. The insert structure has a triangular, double-sided, asymmetrical structure. Flank faces with alternating inner and outer edges are distributed around the insert structure, connected by the first connecting arc. The two ends of the flank faces have different lengths, and the long cutting edge is set as a side cutting edge. Unlike conventional double-sided inserts, this double-sided milling cutter with a positive axial rake angle still has a flank angle even when the axial rake angle is designed to be positive, preventing interference with the workpiece. Furthermore, the radial rake angle remains negative, changing the traditional double-sided insert's limitation of only having two negative rake angles and achieving a positive and negative rake angle mode.

The application relates to a composite adjustable double-ring diamond cup-shaped grinding wheel and belongs to the technical field of glass edge grinding. The composite adjustable double-ring diamond cup-shaped grinding wheel comprises an inner wheel and an outer wheel sleeved on the inner wheel, a plurality of inner wheel cavity grooves are arranged on the inner wheel in a circumferential interval, a plurality of outer wheel cavity grooves are arranged on the outer wheel in a circumferential interval, inner wheel grinding pieces and outer wheel grinding pieces are respectively fixedly installed in the inner wheel cavity grooves and the outer wheel cavity grooves, the inner wheel grinding pieces and the outer wheel grinding pieces are arranged in a circumferential overlap and stagger mode, the inner wheel grinding pieces and the outer wheel grinding pieces are respectively elastic grinding pieces and rigid grinding pieces, and the outer peripheral surface profile of the part of the inner wheel grinding piece radially greater than or equal to the inner diameter of the outer wheel is an arc surface or an inclined surface. The application is favorable for avoiding the generation of steps in the grinding process, thereby avoiding the edge collapse of the workpiece.

The utility model discloses a needle stone grinding wheel for processing the outer diameter of a silicon carbide wafer, which mainly comprises a transmission shaft, a main shaft, a fixing clamp, a grinding disc and the like, the fixing clamp stably clamps the grinding disc through an upper clamp and a lower clamp to ensure the stability of the grinding disc during processing, and the main shaft is fixed through a mounting seat and a mounting base. The stability is guaranteed through pin connection, meanwhile, precise positioning is achieved between the mounting base and the fixing clamps through limiting structures, the number of grinding discs in the multiple fixing clamps is sequentially increased, different machining requirements can be met, the upper clamp and the lower clamp are tightly connected through bolts, inserting cylinders and the like, the grinding discs are connected in a nested mode through embedding grooves and nesting pieces, and the machining efficiency is improved. In addition, the grinding disc is provided with an inner arc groove and a chip removal hole, chip removal is facilitated, the needle stone grinding wheel is reasonable in structural design, the precision, stability and chip removal performance of silicon carbide wafer outer diameter machining can be effectively improved, and the needle stone grinding wheel has good application prospects.

This utility model relates to a thread scraper with a large length-to-diameter ratio suitable for multiple interfaces. It solves the technical problems of poor machining accuracy and low machining efficiency of existing thread scrapers. It includes a tool shank body and a tool holder portion disposed at one end of the tool shank body. The end of the tool shank body away from the tool holder portion has a blade mounting notch. A comb-shaped blade extending to the outside of the tool shank body is disposed within the blade mounting notch via a blade mounting structure. The tool shank body has a hollow structure and an axially extending cooling channel inside. One end of the cooling channel extends to the tool holder portion, and the other end extends into the blade mounting notch. The advantages are: the comb-shaped blade allows for simultaneous cutting by multiple teeth, improving chip removal, ensuring machining accuracy, and increasing machining efficiency. The cooling channel and cooling groove ensure effective cooling of the comb-shaped blade, extending its service life. The comb-shaped blade can be fixedly mounted on the tool shank body via the blade mounting assembly, resulting in a simple structure and low equipment cost.

The invention provides a design method for orderly-arranged tool bits of a large-disk saw blade, which comprises the following steps of: granulating metal matrix powder based on a needle tube type vacuum adsorption method, and controlling the granularity and the morphology of the metal matrix powder; designing the overall configuration of the tool bit; at least two sets of screen plates with different hole site patterns and matched parameters are designed for alternately distributing sand, and interlayer diamond dislocation is achieved; the tool bit is designed to be of a multi-layer structure in the top edge direction, so that the arrangement density of edge layer diamonds is higher than that of the middle, and the interlayer spacing of the middle is widened to form a chip removal water tank. According to the method, ordered and differentiated arrangement of the diamonds in the large-size tool bit is achieved, the cutting sharpness is comprehensively improved, the service life is comprehensively prolonged, and the chip removal performance is comprehensively improved.

The utility model discloses a shaft parts no burr compound processing tool, including handle, spiral cutting edge and chip groove, spiral cutting edge installs at the bottom of handle, the chip groove is set up on spiral cutting edge, the handle is set up and is evenly distributed with the extension groove, the inside of extension groove is communicated with the inside of chip groove, the inside of handle is set up with the shunt chamber, the inner wall of shunt chamber is set up and is evenly distributed with high pressure chamber. The utility model, adopt the design of the inclination of high pressure spray head to set, and its injection direction is identical with the rotation of spiral cutting edge, forms the synergistic effect of spiral airflow and tool rotation, not only strengthens the effect of chip removal, but also can effectively cool the processing area, and the communication design of extension groove and chip groove constitutes the extension type chip removal channel, and the complete fluid dynamics chip removal system is formed with high pressure spray head, and the controllable vibration is produced under the dual action of centrifugal force and electromagnetic repulsion of auxiliary assembly, realizes the double function of chip continuity destruction and chip removal reinforcement.

The utility model discloses a TCT straight knife in the field of straight knives, which comprises a knife handle and a cutting head integrally formed with the knife handle, the surface of the cutting head extends outwards to form an inclined cutting part, the surface of the cutting head extends outwards to form a chip removal part, the surface of the chip removal part sinks towards the inside of the chip removal part to form a chip removal groove, and the chip removal groove is formed in the surface of the cutting head. A chip removal groove is formed in the cutting head and extends in the inclination direction of the chip removal part, one end of the cutting head extends outwards to form a straight blade rod, the surface of the straight blade rod extends outwards to form inclined tool edge parts, and chip separation grooves are formed between the tool edge parts; according to the TCT straight cutter, the surface of the straight blade rod extends to form the inclined cutter edge parts and the chip separating grooves between the cutter edge parts, the cutting capacity and the chip discharging effect of the cutter are enhanced, the cutting process is smoother, the chip discharging grooves extend in the inclined direction of the chip discharging parts, cuttings generated in the cutting process can be rapidly discharged, and the cutting efficiency is improved. And cutter abrasion and machining surface quality reduction caused by chip accumulation are prevented.

The application relates to the technical field of tapping equipment, in particular to a tapping device for steel pipe machining and a machining method thereof, which comprises a first support, the upper end of the first support is provided with a U-shaped seat, and further comprises a supporting mechanism, the supporting mechanism comprises a first supporting seat and a second supporting seat which are slidably connected in the U-shaped seat, the top of the first supporting seat is connected with a limiting assembly, and the output end of the limiting assembly abuts against the top of a steel pipe. The supporting mechanism is arranged, high-pressure gas is filled into the graphite plate through the high-pressure gas device, and an air cushion is formed between the graphite plate and the bottom of the steel pipe, so that the friction can be reduced, the steel pipe is facilitated to move, and a follow-up support is formed; low-frequency vibration is effectively isolated through the air cushion, high-frequency vibration is absorbed through the rubber plate, the stability and precision of tapping machining are improved, the air cushion can also cool the steel pipe, heat deformation is prevented, and the quality of tapping machining is ensured.

This utility model discloses a deck screw, including a head, a shank, and a tip. The shank is threaded, and the tip has two opposing notches and a cutting surface between the two notches. The notches extend from the tip of the tip towards the shank. The deck screw of this utility model employs a four-lobed alternating protrusion and groove structure on the tip. The cutting surface and notches form a circumferentially distributed and staggered cutting edge, which improves cutting efficiency and chip removal capacity, reduces stress concentration in the wood, and effectively prevents wood cracking. Secondly, pre-drilling is possible during drilling; that is, a small hole is drilled from the tip before thread drilling, instead of directly using thread drilling. This arrangement ensures that the tip is already embedded in the pre-drilled hole when entering the thread drilling stage. Pre-drilling prevents wood cracking, reduces screw misalignment, and thus reduces the likelihood of the screw flying off due to direct thread drilling, improving stability during use.

This invention provides a diamond composite coated drill bit and its preparation method, comprising a bonding layer, a diamond grinding layer, and a reinforcing layer. The bonding layer is directly deposited on the surface of the drill bit substrate and formed by magnetron sputtering. The bonding layer is a composite phase of tungsten carbide and chromium. The diamond grinding layer is deposited on the surface of the bonding layer and formed by chemical vapor deposition. The diamond grinding layer consists of a composite structure of micron-sized diamond framework and nano-sized diamond filler layer. The reinforcing layer is deposited on the surface of the diamond grinding layer and formed by magnetron sputtering of a molybdenum and boron composite cermet layer. This invention is applicable to PCB board processing, extending the service life of drill bits and improving processing efficiency.

The utility model discloses a bionic texture surface's diamond grinding wheel relates to diamond grinding wheel technical field, including grinding wheel module and cleaning module, the outside of grinding wheel module is symmetrical to install the protective cover subassembly right and left, and the protective cover subassembly two groups between installation has fixed peg, and the protective cover subassembly is away from the one side middle horizontal connection of grinding wheel module and is installed and is equipped with the adjusting frame, the cleaning module is installed in the end of adjusting frame and is away from the protective cover subassembly. The bionic texture surface's diamond grinding wheel, through the sharkskin microgroove of the working surface design of grinding wheel module, strengthens the ability of chip removal, avoids the jam, and can real -time to the surface of bionic texture structure with the structural setting of cleaning module, cleans the processing of bionic texture structure's surface to this, guarantees the processing effect of bionic texture structure surface, in addition protective cover subassembly can still provide effective structure enclose while not affecting the chip removal of grinding wheel module in its inside, thereby avoids the occurrence of unnecessary safety accidents.

The utility model provides a long -life high -performance screw tip tap has the coarse handle handle, thin neck and screw tip of coaxial connection as an organic whole, the chip flute made of screw tip is three groove structure, and the chip flute of three groove structure is three equal parts distribution relative to tap center axis, and the chip flute groove shape is two straight lines two circular arc form, and the smooth transition between circular arc, the screw tip still is made with straight flute, and the screw tip tap adopts the high -speed steel material of vacuum heat treatment, cryogenic treatment and passivation treatment to make. The utility model solves how to reach the technical problem of high -efficient tapping processing of high -performance screw tip tap product on numerical control equipment, improves tap life, processing high -efficient, quality is stable, long -lived, is fit for promotion.