24results about "Gear teeth manufacturing tools" patented technology

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 shape errors in the shaping of the cutting edge of cutting tools. [Solution] The cutting edge shaping method for a cutting tool comprises a tool preparation step of preparing a cutting tool having an outer blade, and a cutting edge shaping step of shaping the cutting edge by spraying abrasive material from a nozzle onto the cutting edge of the outer blade so that the angle between the spraying direction of the abrasive material from the nozzle and the central axis of the cutting tool is the same as the helix angle of the cutting tool.

This invention discloses an environmentally friendly semi-dry gear milling cutter and its aerosol cooling system, belonging to the field of cutting milling cutter technology. Based on the cutter shaft and the cutting tool, it specifically relies on the main water channel and differential pressure fluid supply structure built into the cutter shaft, combined with a floating moving fluid sleeve and a differential pressure driven sliding fluid ring. Through pure mechanical-hydraulic coupling, it achieves dynamic adaptive adjustment and pulsed intermittent fluid supply for atomized fluid supply. Without the need for additional electronic control components, it can significantly reduce cutting fluid consumption and waste fluid pollution, while significantly improving the accuracy of cooling and lubrication and adaptability to all working conditions. It effectively extends the tool life and stably ensures the gear machining accuracy. It aims to solve the technical conflict between traditional gear milling cooling solutions and the inability to balance low-consumption and environmentally friendly cutting fluid with efficient cooling and lubrication. While maintaining the most efficient cooling method, it reduces the amount of cooling / cutting fluid used, which can better adapt to the special requirements of gear milling.

A method for dressing a multi-thread grinding worm for the grinding of toothings, wherein the grinding worm includes a plurality of worm threads that are each dressed by a dressing tool with at least one dressing stroke to provide the grinding worm with a desired profile. The method includes: a) dressing a first worm thread, wherein at least one process parameter is measured and recorded during the dressing process; b) dressing a further worm thread, wherein the process parameter is measured and recorded during the dressing process; c) after dressing all worm threads: combining the recorded data of the process parameter; d) comparing the combined data of the process parameter with data stored in a machine controller and checking whether the combined data are within a predefined admissible range; e) outputting a signal if the combined data are not within the predefined admissible range.

This invention provides a tool repair device that aims to extend the lifespan of cutting tools through repair. [Solution] The tool repair device 1 for repairing a cutting tool 2 equipped with a cutting edge 21 made of cemented carbide material comprises an additive molding unit 3 including a powder material supply device 31 and a beam irradiation device 32, a tool mounting unit 11 that supports the cutting tool 2 so as to be movable relative to the additive molding unit 3, and an additive molding control unit 100 that controls the supply of powder material and beam irradiation by the additive molding unit 3 to the repair area R of the cutting edge 21 to form a build-up layer in the repair area R. The additive molding control unit 100 has a molding path control unit that controls the molding path so that the build-up start point 201 and build-up end point 202 in the repair area R are located outside the cutting edge area r1 of the cutting edge 21.

A skiving cutter is rotatable around an axis. The skiving cutter is provided with a plurality of cutting edges arranged side by side in a form of an annular shape around the axis. The skiving cutter has a base body portion and an edge tip portion. The edge tip portion is contiguous to the base body portion. The edge tip portion is provided to be arranged side by side with the base body portion in a first direction toward a front side of the skiving cutter along the axis. The edge tip portion forms a plurality of cutting edges. The base body portion is composed of a cemented carbide. The edge tip portion is composed of any one of a cubic boron nitride sintered material, a diamond, or a special cemented carbide.

This invention belongs to the field of machining technology and discloses an automatic machining device and method for automotive connecting rod kits. The machining device includes a base, a broach assembly, a slide plate, and a fixing assembly. The broach assembly includes a broach for machining mating teeth on a first workpiece and a second workpiece. The slide plate is vertically slidably mounted on the base and has an upper positioning post and a lower positioning semi-cylinder. The sleeve portion of the first workpiece is fitted onto the upper positioning post. The lower positioning semi-cylinder has a first positioning groove for engaging the first workpiece and a second positioning groove for engaging the second workpiece. The difference in the radial distance between the two positioning grooves on the lower positioning semi-cylinder is equal to the width of a single machining tooth of the broach. The fixing assembly includes a pressure clamp for pressing the first and second workpieces onto the lower positioning semi-cylinder. This machining device and method can simultaneously machine the mating teeth on the first and second workpieces and ensure good engagement between them, saving space and manufacturing costs.

The application discloses a kind of multi-station gear machining equipment, it is related to gear machining equipment field, including frame and the hobbing cutter rotationally connected on frame, it is characterized in that, further include: support component: for installing gear to be processed;It is slidingly connected on frame, and it is located in the radial direction of hobbing cutter;Transmission component: it is arranged between support component and hobbing cutter, for driving support component movement;Decoupling component: it is arranged between hobbing cutter and transmission component, and coaxially with hobbing cutter setting.The application is by being arranged between the decoupling component of coaxial arrangement of hobbing cutter and transmission component, the transmission relationship between hobbing cutter and transmission component can be switched with the radial position change of deformable radial piece, to realize power transmission path under different working conditions Adjustable;The rotational movement of hobbing cutter can be used to drive support component to carry out feed adjustment in workpiece positioning stage.

A kind of cutter for implementing tooth shaping, including mounting seat, fastener and cutting tool body.Cutting tool body is assembled with mounting seat, fastener is assembled with mounting seat, falls on cutting tool body.The mounting seat is also assembled with rotating shaft, driven by rotating shaft, and makes the cutting member in the circumferential direction of cutting tool body contact with the workpiece to be processed and implement cutting, and obtains the workpiece of tooth shaping.Cutting tool body is formed by at least two pieces of hard material first spliced into blank and then processed, including PCD layer, the surface is processed to form roughness Ra greater than and equal to 60 nanometers.It has been verified that the cutter of the utility model is used for tooth shaping processing, the machining precision is significantly improved, and the service life fluctuation range of the cutter is significantly reduced.

Honing ring (1) for surface machining of a toothed workpiece, preferably a gear, comprising at least one base ring (2) and at least one abrasive (3), wherein a toothing (4) is arranged on an inner surface (5) of the at least one base ring (2), wherein the toothing (4) of the at least one base ring (2) is at least partially, preferably completely, coated with the at least one abrasive (3), preferably electroplated, and can be brought into contact with the toothed workpiece, wherein the at least one base ring (2) comprises or consists of at least one metal, preferably at least two or at least three or more metals, at least partially.

The application discloses a cutter disc linear cutting tool and a constant-height tooth dry cutting cutter disc, and belongs to the technical field of machining. The main purpose is to solve the problems of unstable positioning and electrode wire vibration deformation during linear cutting of the constant-height tooth dry cutting cutter disc rough blank, guarantee the cutter groove machining precision, reduce the rough blank rejection rate, improve the production efficiency and control the machining cost. The cutter disc linear cutting tool is used for positioning and clamping the constant-height tooth dry cutting cutter disc rough blank, and comprises a base, a retaining ring and a balancing pressing plate. The base is used for being installed on a linear cutting machine. The retaining ring is arranged on the upper surface of the base, and the inner wall of the retaining ring is in abutment with the small end outer wall of the constant-height tooth dry cutting cutter disc rough blank, so that the radial positioning of the constant-height tooth dry cutting cutter disc rough blank and the stable wire feeding of the electrode wire are realized. At least part of the balancing pressing plate is covered on the side of the constant-height tooth dry cutting cutter disc rough blank away from the base, and is used for being in abutment with the upper surface of the large end of the constant-height tooth dry cutting cutter disc rough blank, so that the constant-height tooth dry cutting cutter disc rough blank is tightly fixed on the base.

A skiving cutter is rotatable around an axis. The skiving cutter is provided with a plurality of cutting edges arranged side by side in a form of an annular shape around the axis. The skiving cutter has a base body portion and an edge tip portion. The edge tip portion is contiguous to the base body portion. The edge tip portion is provided to be arranged side by side with the base body portion in a first direction toward a front side of the skiving cutter along the axis. The base body portion is composed of one of a cemented carbide or a high-speed steel. The edge tip portion has an edge tip layer and a cemented carbide layer. The edge tip layer forms a plurality of cutting edges. The cemented carbide layer is provided between the edge tip layer and the base body portion. The edge tip layer is composed of any one of a cubic boron nitride sintered material, a diamond, or a special cemented carbide.

A method for producing a bevel on the edge defined by an end face of a gearwheel and the flanks of the teeth of the gearwheel adjacent thereto, with a cutting tool which at least includes a cutting edge. The invention further relates to a cutting tool for performing the method and a cutting insert, a device for performing the method and a control program. It is essential that the cutting edge processes only one processing section of the edge during each revolution of the cutting tool.

This invention relates to a dressing method for a multi-threaded grinding worm (1) for gear grinding, the grinding worm (1) comprising multiple worm threads (2, 3), each worm thread being dressed by a dressing tool (4) having at least one dressing stroke (H1, H2, H3) to provide the desired profile for the grinding worm (1). To improve the method and obtain more reliable information on whether the dressing of the grinding worm is adequate by improving monitoring of the dressing, the method of the present invention includes: a) dressing the first worm thread (2), measuring and recording at least one process parameter (P1) during the dressing; b) dressing another worm thread (3), measuring and recording the process parameter (P1) during the dressing; c) after dressing all worm threads: combining the recorded process parameter (P1) data; d) comparing the combined data of the process parameters (P1) with the data stored in the machine controller, and checking whether the combined data is within a predetermined acceptable range; e) if the combined data is not within the predetermined acceptable range, outputting a signal.

Broaching needle (10) for machining a workpiece (11) by broaching, with a shaft (12) extending along a longitudinal axis (20) and several cutting inserts (14) which can be detachably mounted on the shaft (12) so that in a mounted state they are arranged one behind the other along the longitudinal axis (20), wherein the shaft (12) has a cam to implement a rotation protection (19) of the cutting inserts (14) which has a cross-sectional shape that deviates from a circular cylindrical shape.

This utility model provides a gear machining tool, relating to the field of machining technology. It includes a rotating disk with a plurality of telescopic cutting heads fixedly connected in a circular array on its outer surface. A telescopic linkage frame is provided on the opposite face of two adjacent telescopic cutting heads. This utility model allows for the adjustment of the cutting head length by sliding the cutting head on the outer surface of a connecting plate. The telescopic sliding plate of the telescopic linkage frame is connected to the sliding cutting head. When one sliding cutting head is adjusted, the telescopic linkage frame can drive all telescopic cutting heads to extend and retract synchronously, ensuring coordinated operation of multiple cutting heads. Simultaneously, the connecting sliding plate slides within a connecting groove. Double-ended bolts are passed through positioning holes and positioning through holes, and then secured with nuts, precisely fixing the position of the connecting sliding plate and thus locking the adjusted cutting head length. This structural design greatly improves the tool's adaptability to gears of different specifications, reduces tool changing frequency, lowers machining costs, and improves machining efficiency and accuracy.

This invention discloses a method for designing the cutting teeth and their cutting edge curves of a tool for chamfering the tooth profile of a countersunk gear. The tool body is a cylindrical body, with the cutting teeth located on the side of the cylindrical body. Each cutting tooth includes a tooth body, the upper half of which has tooth grooves forming left and right cutting teeth distributed along the axial direction of the cylindrical body. The overall curve of the top of the left cutting tooth and its left profile is denoted as the left cutting edge curve, and the overall curve of the top of the right cutting tooth and its right profile is denoted as the right cutting edge curve. The left and right cutting edge curves are respectively formed by fitting the tooth profile point sets obtained by rotating the left and right tooth profile point sets of the original reference tooth groove of the gear with corresponding offset angles. This invention can effectively solve the problems of negative cutting edge angle, tooth surface interference, and inconsistent chamfering amount in the existing rolling method for machining countersunk gears.

A honing ring for surface finishing a toothed workpiece, preferably a gear, includes at least one base ring and at least one abrasive. A toothing is arranged on an inner cylindrical surface of the at least one base ring, and the toothing of the at least one base ring is at least partially, and preferably completely, coated with the at least one abrasive, preferably galvanically. The toothing can be brought into contact with the toothed workpiece, and the base ring comprises or consists at least partially of at least one metal, preferably at least two or at least three or more metals.

The invention relates to an apparatus, a method and a computer program product for machining a workpiece, in particular for cutting a tooth in a workpiece, the apparatus (1) comprising: - a base (2); - a workpiece spindle (4) mounted rotatable about a first axis (A) for receiving the workpiece (5); - a first machining head (11) having a first tool spindle (12) mounted rotatable about a first tool axis (18) for receiving a first machining tool (30); - a second machining head (21) for receiving a second machining tool (40); - wherein at least the first machining head (11) which can be equipped with the first machining tool (30) is designed for power skiving of the workpiece (5), and - wherein the second machining head (21) can be variably positioned and / or variably oriented relative to the first machining head (11) and independently of the first machining head (11).