177results about "Gear teeth manufacturing tools" 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 provides a broach for gear machining and its finishing device, relating to the field of gear manufacturing technology. The broach and finishing device include a bed, a drive unit, a CNC system, a clamping device, a coolant storage tank, a high-pressure air supply device, a dust extraction device, and two sets of cooling pumps. When the coolant cooling effect is insufficient, the invention increases the coolant flow rate through an electrically controlled flow valve to improve the cooling effect. If necessary, forced cooling can be achieved by simultaneously activating two sets of cooling pumps, significantly enhancing the cooling effect. The high-pressure air supply device provides high-pressure air to the compressed air nozzle, which is then sprayed onto the surface of the CBN grinding wheel through the jet chamber outlet to clean the surface, effectively reducing clogging and the frequency of grinding wheel dressing. Simultaneously, the dust extraction device, dust extraction pipe, and dust extraction hood remove dust from inside the grinding wheel hood, reducing floating dust and preventing dust from adhering to the grinding wheel surface and entering the grinding area.

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.

The invention relates to a tool head for producing or machining teeth, in particular internal teeth, of a workpiece in the kinematics of hobbing peeling, said teeth being rotated about the tooth axis of rotation (C1) thereof by means of a peeling tool (S) which is held in the tool head and is rotated about the tool axis of rotation thereof, wherein the tooth axis of rotation (C1) and the tool axis of rotation (S1) form an axis angle of intersection (X), which is not zero, with a tool holder (7b), which defines an orientation of the tool axis of rotation (S1) relative to the tool head, and a shaft (6), the shaft is mounted in the tool head for rotation about its drive shaft axis of rotation (B1) and is rotationally driven for machining teeth, and wherein an orientation () of the tool axis of rotation (S1) is present, which orientation is at least 15 DEG and no more than 85 DEG, for a deviation of the orientation of the drive shaft axis of rotation (B1) from the axis position, the axis position is oriented at an axis intersection angle [sigma] with the tooth rotation axis (C1) and the orientation is angled with respect to a plane orthogonal to the drive shaft rotation axis (B1).

The invention relates to the technical field of gear grinding machining, in particular to a grinding machine tool suitable for gear rotating face grinding, which comprises a rack and a digital display control panel, the rack is respectively provided with a lower clamp table and an upper clamp table from bottom to top, and the lower clamp table and the upper clamp table are used for clamping a gear main body; grinding wheel main bodies are arranged on the two sides of the lower clamp table and the upper clamp table; a vertical beam is arranged on one side of each grinding wheel body, an elastic pulling and pressing assembly used for conducting elastic pulling and pressing on the vertical beams is arranged on the rack, and the rack, the lower clamp table, the upper clamp table, the grinding wheel bodies, the rigid pushing and pressing assembly, the grinding wheel dressing assembly, the lifting driving assembly, the vertical beams, the elastic pulling and pressing assembly and the like cooperate and cooperate with one another. Double-station synchronous grinding can be achieved, the grinding efficiency is improved, hard contact damage can be avoided, stable rigid pushing force can be provided, the grinding feeding amount can be accurately controlled, and safety and machining precision are both considered by combining the two modes of flexible contact and rigid pushing.

The invention discloses a composite worm grinding wheel and a dressing method thereof.The composite worm grinding wheel is composed of a surface micro-structured grinding wheel body and a fine grinding wheel body which are axially connected into a whole, the surface micro-structured grinding wheel body adopts ultrasonic vibration to assist a single-point diamond pen in dressing, and a large number of separated-continuous oblique curve micro grooves are dressed in the tooth side face; cutting force, heat production and the temperature of a contact area are reduced by reducing the contact layer, the effective blade grinding number of the grinding wheel during grinding is increased, and the problems of blockage of the grinding wheel and thermal damage to the surface of a workpiece are effectively solved; a fine grinding working face is formed on the outer side tooth face of the fine grinding wheel, and the problem that the surface roughness is large is solved by using grinding materials with the large particle size number. The device integrates the functions of rough grinding and accurate grinding, machining is completed through one-time clamping, repeated clamping and positioning errors are reduced, materials are efficiently removed, chip removal and heat dissipation are improved, the machining precision and size consistency are improved, and the contradiction that efficiency, heat dissipation and surface quality are difficult to consider in the generating grinding process is solved.

To provide a determination method of a gear working condition and a determination program of a gear working condition which can reduce vibration, in finishing of a gear.SOLUTION: A determination method of a gear working condition includes: a first step of measuring the shape of workpiece having a gear shape, and thereby acquiring a pitch error of the workpiece; a second step of performing frequency analysis of the pitch error, and thereby acquiring a rotation order component of a cumulative pitch error; a third step of multiplying the rotation order component of the pitch error by the number of rotation when the workpiece is worked, and thereby acquiring a frequency component of working load fluctuation by the pitch error; and a fourth step of setting the number of rotation when the workpiece is worked, so that a peak frequency of the working load fluctuation and resonance frequency of a gear working device are shifted from one another.SELECTED DRAWING: Figure 3

To provide a gear machining tool having abrasive grains and preventing waste of the abrasive grains.SOLUTION: The gear machining tool 1 is a gear machining tool for polishing a tooth surface formed on a workpiece, and includes an annular base material blade part 12 having a plurality of blades 14 on an outer peripheral surface at one end of a shaft-like base material body part 11. And a plurality of abrasive grains provided on the rake face 14a so as to overlap a ridge line portion 15 which is a boundary between the flank face and the rake face 14a when viewed from the direction of the rotation axis C of the substrate 10, in which the abrasive grains are not provided in a region other than the ridge line portion 15 on the flank face. 14a.SELECTED DRAWING: Figure 5

Makes it easier to attach the two hobs. [Solution] The tandem hob comprises a first hob including a plurality of first cutters positioned at intervals on a first helix centered on a first central axis, a second hob including a plurality of second cutters positioned at intervals on a second helix centered on a second central axis, and a collar connecting the first hob and the second hob such that the first central axis and the second central axis lie on a common axis. When the first hob and the second hob are connected by the collar, the first cutter includes a first cutting edge having its tip on the first side in the circumferential direction around the common axis. The second cutter includes a second cutting edge having its tip on the second side opposite to the first side in the circumferential direction around the common axis. The first hob and the second hob are restricted from relative rotation around the common axis and from approaching each other along the common axis.

The utility model discloses a blade-replaceable finger type gear milling cutter, particularly relates to the technical field of metal processing, and comprises a gear milling cutter main body for processing a gear, the gear milling cutter body comprises a cutter column body, a first chip containing groove, a second chip containing groove, a third chip containing groove and a fourth chip containing groove are formed in the outer portion of the cutter column body, and the first chip containing groove, the second chip containing groove, the third chip containing groove and the fourth chip containing groove are distributed in an annular array mode. The first chip containing groove, the second chip containing groove and the third chip containing groove are arranged. According to the utility model, the peripheral tooth blades or the top tooth blades on the gear milling cutter main body are disassembled and assembled through the fastening screws, so that a worker can adjust the layout of the peripheral tooth blades and the top tooth blades according to processing requirements, and the degree of freedom of arrangement of the peripheral tooth blades and the top tooth cutter shaft is improved; meanwhile, the cutting output and the cutting force of the peripheral tooth blade and the top tooth blade can be adjusted, so that the practicability and the operability of the cutter are improved.

To provide a device and a method for polishing a gear, which can reduce material cost and polishing cost of a polishing gear and solving the problem of a resource environment.SOLUTION: A polishing device 1 for rotary-driving a polishing gear to polish the tooth surface of a polished gear in a state where the polishing gear 8 and the polished gear 9 are engaged with each other is configured such that a coating layer 10 in which a film thickness α of an acrylic resin material is about 20 μm is formed on the tooth surface 8a of the polishing gear, a polishing liquid containing silicon carbide abrasives smaller in average grain diameter than the film thickness of the coating layer of the polishing gear is supplied to the engaging place of the polishing gear and the polished gear, and the polishing gear is rotary-driven to polish the tooth surface 9a of the polished gear.SELECTED DRAWING: Figure 2

The invention relates to a method for forming a chamfer (21) at an edge (20) defined by an end face (22) of a gear wheel (3) and a tooth surface (6, 7) adjoining the tooth portion of the gear wheel (3) using a cutting tool (1) having at least one cutting edge (11). Furthermore, the invention relates to a cutting tool for carrying out the method and to a blade, a device and a control program for carrying out the method. It is crucial that the cutting edge (11) machines only one machining section of the edge (20) per rotation of the cutting tool (1).

A gear grinding tool (100) for hard finishing of gear components by continuous gear grinding, comprising: two gear worms (20; 30) for gear grinding a gear contour of a gear component, wherein the gear worms (20; 30) each consist essentially of a matrix in which at least one grinding medium (52; 62) is embedded, and each have an axial opening (70; 72); and a sleeve (40) on which the gear worms (20; 30) are arranged one behind the other and which essentially consists of a polymer matrix that is metallurgically bonded to a respective lateral surface (24; 34) of the openings (70; 72) of the gear worms (20; 30), wherein profiles (50; 60) of the two gear worms (20; 30) form respective sections of a common, helically wound profile of the gear grinding tool (100); and a method for manufacturing a gear grinding tool comprising arranging two gear worms (20;30) with mutually facing planar surfaces (28; 38) and casting of a sleeve (40) in the axial openings of the roller screws (20; 30).;

The invention relates to a method for profile grinding of a periodic structure, in particular a gear, with a grinding wheel driven to rotate about its axis of rotation, in which the grinding wheel surface on a first side is provided with a spiral dressing track configuration by a profile / dressing process, wherein the dressing track configuration is multi-turn.

A generating grinding tool (100) for hard finishing a toothed assembly by continuous generating grinding, the generating grinding tool comprising: two grinding worms (20; 30) for generating and grinding the toothed profile of the toothed assembly, the grinding worms (20; 30) each substantially consists of at least one abrasive (52; 62), and each having an axial opening (70; 72); and a sleeve (40) that grinds the worm (20; 30) are arranged one after the other, and the sleeve is substantially composed of a polymer matrix which is connected to the grinding worm (20; 30), and an opening (70; 72) and a respective circumferential surface (24; 34), wherein the two grinding worms (20; 30) and a profile (50; 60) forming a corresponding part of a common spiral winding profile of the generating grinding tool (100); the invention also relates to a method for producing a generating grinding tool, comprising arranging two grinding worms (20; 30) such that the flat surface (28; 38) and casting the sleeve (40) to the grinding worm (20; 30) in the axial opening.

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.

A gear cutter tool (308) is provided for cutting internal teeth into a workpiece (312) to form a gear. The gear cutter tool is configured to rotate about a longitudinal gear cutter axis of rotation (354). The workpiece is configured to rotate about a workpiece axis of rotation (374). The gear cutter tool includes a gear cutter having a plurality of cutting teeth (332). Each cutting tooth of the plurality of cutting teeth has a tooth flank (341) defining a cross-axis tooth angle (350) between the tooth flank and a line (352) intersecting the longitudinal gear cutter axis of rotation. The cross-axis tooth angle is between 1 and 15 degrees. The cross-axis tooth angle (372) of the gear cutter tool, defined between the longitudinal gear cutter axis of rotation and the workpiece axis of rotation, is substantially close to 0 degrees.

The invention provides a processing apparatus. A machining device (10) is provided with a rotating shaft (20) rotatably supported by a housing (16), a rotating tool (12) detachably attached to the rotating shaft (20), an attachment (40), and a holder (50). The rotating tool (12) has a front end surface (300) facing in a first direction along the axial direction of the rotating shaft (20), and a rear end surface (302) facing in a second direction opposite to the first direction. The attachment (40) is detachably connected to the front end surface (300) of the rotary tool (12). The bracket (50) rotatably supports the attachment (40) in a state of being supported by the housing (16). Therefore, the dimensional accuracy of a processed product can be improved.

The invention belongs to the field of machining tools, and particularly relates to an internal spline machining tool and an internal spline machining method. The cutter comprises a leading-in section, a pattern cutting tooth section and a leading-out section which are coaxially connected in sequence; the spline cutting tooth section comprises a spline tooth-shaped first cutting tooth section, a spline tooth-shaped fine cutting tooth section, a spline tooth-shaped fine trimming and inner diameter drawing section and a spline inner diameter and tooth-shaped re-correcting section which are sequentially and coaxially connected in the direction from the leading-in section to the leading-out section. The spline tooth form first cutting tooth section is connected with the leading-in section, and the spline inner diameter and tooth form re-correction section is connected with the leading-out section. According to the internal spline machining tool, the machining teeth with different functions are correspondingly arranged at different positions of the machining tool according to the functions required by primary machining, so that primary machining forming of the internal spline is conveniently achieved, secondary machining compensation is not needed, the size and form and location tolerance requirements and the precision technical requirements are met, and the machining efficiency is improved. And technical indexes of parts are finally realized, and the problem of qualified rate is successfully solved.

The present application provides a gear processing device capable of correcting a tooth direction error without using a special tool in a case where a hob is cantilever supported. The gear processing device (1) is provided with: a hob (T) that processes a tooth shape on a workpiece (W); a tool spindle device (33) that cantilever supports the hob (T) so as to be rotatable; a workpiece spindle device (23) that supports the workpiece (W) so as to be rotatable; a drive device (45) that relatively moves the tool spindle device (33) and the workpiece spindle device (23); a measurer (41) that measures a value corresponding to a deflection amount of the hob (T) or a rotational synchronization shift of the workpiece spindle device (23) with respect to the tool spindle device (33); and a correction processing section (43) that corrects an amount of cutting of the hob (T) or the rotational synchronization shift of the workpiece spindle device (23) with respect to the tool spindle device (33) based on the value measured by the measurer (41).

This application relates to a design method for a high-power honing diamond dressing gear. Based on the tooth parameters, surface roughness, structure, and fixture installation scheme of the gear being processed, the design parameters of the diamond dressing gear and its substrate, the particle size of the diamond particles, and the shaping parameters of the diamond dressing gear and its substrate are determined. The tooth profile and tooth direction of the gear being processed are correspondingly manufactured on the tooth surface of the diamond dressing roller, ensuring that the designed diamond dressing gear is more precise, more suitable for dressing honing wheels, and better meets the gear parameter requirements of the gear being processed.

The invention discloses a single-blade rotary combined cutter head for machining a circular-arc-tooth-trace cylindrical gear, and belongs to the technical field of gear machining. The combined cutterhead comprises an outer blade cutterhead, an inner blade cutterhead, an offset distance shaft and a gear transmission assembly, the offset distance shaft comprises a first rotating shaft and a second rotating shaft which are fixedly connected, the first rotating shaft and the second rotating shaft are parallel and arranged in an offset mode, the first rotating shaft is coaxially and rotationally sleeved with the outer blade cutter head, the second rotating shaft is coaxially and rotationally sleeved with the inner blade cutter head, and the outer blade of the outer blade cutter head and the top end of the inner blade of the inner blade cutter head are flush and sequentially arranged at intervals. The gear transmission assembly is located between the outer blade cutter head and the inner blade cutter head and connected with the outer blade cutter head and the inner blade cutter head at the same time, and the outer blade cutter head is configured to rotate under driving of external force and drive the inner blade cutter head to rotate synchronously through the gear transmission assembly. The outer blade cutter head and the inner blade cutter head are installed by arranging the offset distance shaft and the gear transmission assembly, and under the condition that it is guaranteed that the two cutter heads can rotate synchronously, the machining precision is improved.

The invention relates to the technical field of gear machining, and discloses line contact generating gear grinding equipment for an involute cylindrical gear, a grinding wheel and a machining method.The equipment comprises a lathe bed and a workpiece unit arranged on the lathe bed, and the workpiece unit comprises a workpiece rotating mechanism and a clamping mechanism connected with the workpiece rotating mechanism; a workpiece to be machined is clamped in the clamping mechanism, and a first grinding wheel unit and a second grinding wheel unit are arranged on the lathe bed. The first grinding wheel unit comprises a first x-axis sliding table connected to the lathe bed in a sliding mode, a first y-axis sliding table is arranged on the first x-axis sliding table, and a first z-axis sliding table is arranged on the first y-axis sliding table. Instantaneous linear contact is formed between the tooth surface of the grinding wheel and the tooth surface of the workpiece to be machined, the tooth surface machining integrity is improved, the higher axial feeding speed can be adopted, the grinding efficiency is improved, and synchronous optimization of the machining efficiency and the machining quality is achieved.

To provide a hob cutter capable of suppressing abnormal wear.SOLUTION: The hob cutter includes a cylindrical base body that rotates about a central axis, and a plurality of cutting edges 3 spirally arranged on an outer peripheral surface of the base body, wherein a cutting edge shape of one of two adjacent cutting edges of the cutting edge 3 has an asymmetrical shape in which a protuberance portion 5 having a large protrusion amount is provided on one side in a central axis direction, and a cutting edge shape of the other of the two adjacent cutting edges of the cutting edge 3 has an asymmetrical shape in which a protuberance portion 5 having a large protrusion amount is provided on the other side in the central axis direction.SELECTED DRAWING: Figure 3

The invention relates to a method for generating or processing at least one gear toothing on at least two workpieces by hob peeling, hard peeling or gear shaping, with a toothed tool in the form of a peeling wheel or shaping wheel which on a first end face has a cutting edge along a first tooth flank and along a second tooth flank of a tool tooth, wherein the profile of the cutting edge on the first tooth flank on the first end face is formed asymmetrically with respect to the profile of the cutting edge on the second tooth flank on the first end face, and the gear processing of one of the at least two workpieces is carried out with the cutting edges of the first end face, and cutting edges are likewise formed on the second end face of the tool opposite the first end face and carry out the gear processing of another of the at least two workpieces, wherein on the second end face the profile of the cutting edge on the first tooth flank is identical to the profile of the cutting edge on the second tooth flank on the first end face and the profile of the cutting edge on the second tooth flank is identical to the profile of the cutting edge on the first tooth flank on the first end face.

The invention relates to the technical field of machine tool machining, in particular to a tooth cutting machine tool cutter and a cutter motorized spindle. The tooth cutting machine tool cutter comprises a motorized spindle body, and a rotary supporting module, a driving module and a cutter changing module are arranged in the motorized spindle body; the rotating supporting module comprises a rotating groove formed in the electric spindle body, a rotating sleeve is rotationally connected into the rotating groove, and an air bearing is arranged between the rotating sleeve and the inner wall of the rotating groove. A plurality of air pressure displacement assemblies are arranged on the rotating sleeve in the circumferential direction, and the air pressure displacement assemblies are used for generating displacement based on air film pressure fluctuation generated by the air bearing on the rotating sleeve in the tool machining process; the device further comprises a monitoring mechanism and an alarm mechanism, the monitoring mechanism is used for responding to displacement generated by the air pressure displacement assembly in all directions and conducting displacement difference elimination processing to obtain displacement difference, and the alarm mechanism is used for giving an alarm when the displacement difference exceeds a threshold value. According to the invention, the operation state of the cutter can be monitored in real time in the tooth cutting process.

The invention provides a hob capable of suppressing abnormal wear. The hob is provided with a cylindrical base body which rotates around a central axis and a multi-head cutter part (3) which is spirally arranged on the outer peripheral surface of the base body, and the shape of a cutter tip of one of two adjacent ends of the cutter part (3) is an asymmetric shape in which a protruding part (5) with a large protruding amount is arranged on one side in the central axis direction. The blade tip shape of the other end of the two adjacent ends of the blade part (3) is an asymmetric shape in which a protruding part (5) with a large protruding amount is arranged on the other side in the central axis direction.

The utility model relates to the technical field of gear forming cutters, in particular to a small-modulus high-precision gear forming machining cutter which comprises a cutter disc, connecting discs are arranged in the middles of the two sides of the cutter disc, a plurality of hollow areas are evenly formed in the connecting discs, and first holes communicated with the hollow areas are formed in one sides of the connecting discs. A second hole communicated with the hollow area is formed in the outer side of the connecting disc, a threaded rod is rotationally arranged in the first hole in a limited mode, a first bevel gear is fixed to one end, located in the hollow area, of the threaded rod, a connecting shaft is rotationally arranged in the second hole in a limited mode, a second bevel gear meshed with the first bevel gear is fixed to the bottom end of the connecting shaft, and an inner hexagonal end is fixed to the top end of the connecting shaft. The gear machining tool solves the problems that a tool bit in an existing gear machining tool cannot be replaced and is inconvenient to use, and a gap is formed between a limiting cylinder and a cutter head, so that the cutter head is prone to shaking in the cutting process.

The invention discloses a milling cutter device for machining an inner gear ring of a gear, relates to the field of machining, and solves the problem that scrap iron is easy to accumulate when an existing milling cutter device is used for machining, the milling cutter device comprises a mounting support arm and a cutter head rotationally mounted at one end of the mounting support arm, and a plurality of milling cutter bodies are mounted on the outer side of the cutter head; a driving motor is mounted at the other end of the mounting support arm; a synchronous toothed belt is rotationally mounted between the driving motor and the cutter head; the slag removing mechanism is used for removing scrap iron on the inner side of the mounting support arm, the slag removing mechanism is mounted on the inner side of the mounting support arm, and the slag removing mechanism comprises a plurality of scraping plates which are arranged on the inner side of the mounting support arm in a central symmetry mode; by means of the slag removing mechanism, when the milling cutter body machines the inner ring of the gear, the driving motor drives the multiple scraping plates to do circular motion along the inner side of the mounting supporting arm, scrap iron on the outer side of the milling cutter body and scrap iron on the inner side of the mounting supporting arm are scraped away, and therefore it is guaranteed that the milling cutter body continuously machines the inner ring of the gear.