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2297results about "Gear teeth" patented technology

High-precision monitoring system for tooth deviation in tooth cutting machining process

The invention relates to the technical field of numerical control machining monitoring, in particular to a tooth deviation high-precision monitoring system in a tooth cutting machining process, which comprises an online measurement module, a dynamic compensation module, a deviation calculation module and a result output module which are in signal connection with a numerical control system of a tooth cutting machine tool, the online measurement module, the dynamic compensation module, the deviation calculation module and the result output module are integrated on the processing element; the processing element is used for obtaining workpiece design parameters and constructing a theoretical workpiece model, the online measurement module is used for collecting tooth surface point cloud data in real time in the machining process, the dynamic compensation module is used for correcting vibration errors and temperature errors of the point cloud data, and the deviation calculation module is used for quantifying tooth surface deviation values. And the result output module is used for generating an early warning signal and a dynamic correction instruction and executing system self-calibration. The device and a numerical control system form a closed loop of machining, monitoring, correction and remachining, and finally high-precision real-time monitoring and dynamic correction of tooth deviation are achieved.
Owner:TIANJIN TIANHAI SYNC TECH CO LTD

Active determination method and precision machining method for hydrodynamic oil film worm-gear pair

Disclosed are an active determination method and a precision machining method for a hydrodynamic oil film worm-gear pair. The method includes: establishing a precise three-dimensional digital model for a modification tooth surface of a worm-gear pair considering rough morphology; proposing a cross-scale meshing contact analysis method for the worm-gear pair; establishing a three-dimensional contact thermal elastohydrodynamic lubrication model for the worm-gear pair considering macro morphology, tooth surface roughness, and waviness of the modification tooth surface, and solving the model; with the friction coefficient, oil film thickness, oil film pressure, and friction force as objectives, determining an optimal worm-gear modification curve, worm tooth thickness distribution, pressure angle, helix angle, tooth surface roughness, and waviness for the hydrodynamic oil film based on an improved non-dominated sorting genetic algorithm and principal component analysis; and machining a worm gear tooth surface by using a double-lead variable-tooth-thickness hob.
Owner:CHONGQING UNIV

Gear cutting tool parameter control system based on bevel angle cutting

The invention relates to the technical field of tool control, in particular to a tooth cutting tool parameter control system based on bevel angle cutting, which comprises a tool parameter acquisition module used for acquiring the rotating speed, the axial feeding amount and the cutting depth of a tool in real time; the force-heat prediction model is used for outputting predicted cutting force and predicted cutting tool temperature; the multi-target parameter optimization model is used for receiving constraint conditions set by a user, optimizing the rotating speed, the axial feeding amount and the cutting depth of the cutter by taking the lowest cutting force, the lowest temperature of the cutting cutter and the highest machining efficiency as targets in the constraint conditions, and integrating and outputting a regulation and control strategy; and the cutter parameter control module is used for regulating and controlling the rotating speed, the axial feeding amount and the cutting depth of the cutter based on a regulation and control strategy when the predicted cutting force and the predicted temperature of the cutting cutter exceed threshold values. According to the method, by accurately regulating and controlling the parameters of the tooth cutting tool, the machining efficiency of the tooth cutting tool can be ensured, and meanwhile the abrasion speed of the tooth cutting tool is reduced.
Owner:TIANJIN TIANHAI SYNC TECH CO LTD +2

Cycloid cyclone separation processing machine tool, system and method capable of synchronously processing multiple teeth

The invention relates to the technical field of cycloid cyclone separation machining, in particular to a cycloid cyclone separation machining machine tool, system and method capable of synchronously machining multiple teeth. The cutter shafts are used for fixing and driving cutters, and the number of the cutter shafts is at least two; the workpiece driving piece is used for driving the workpiece shaft; the cutter shaft driving part is used for driving the cutter shaft; the cutter shaft regulation and control unit is used for regulating and controlling the position of the cutter shaft; when the machine tool runs, the cutter shaft driving part and the workpiece driving part run according to a preset rotating speed ratio, and the rotating speeds of the cutter shafts are the same. According to the cycloid rotational separation machining tool, multi-tooth synchronous machining can be achieved, and the cycloid rotational separation machining efficiency and precision can be further improved by combining the cycloid rotational separation machining tool with the cycloid rotational separation machining system and method.
Owner:TIANJIN TIANHAI SYNC TECH CO LTD

High-precision machining method for complex curved surface gear

The invention belongs to the technical field of gear precision machining, and particularly relates to a high-precision machining method for a complex curved surface gear, which comprises the following steps: acquiring a gear three-dimensional model and planning an initial machining path; tooth profile errors are predicted based on the path, and real-time dynamic compensation is conducted in the machining process; predicting a heat treatment deformation trend based on the compensated motion trail and the real-time data; adjusting heat treatment process parameters according to the predicted deformation trend; and detecting the final state of the gear after heat treatment, and updating the error prediction and compensation model according to a detection result. According to the method, real-time error compensation in the machining process is associated with predictive control of heat treatment deformation to form a closed loop, the problem that in the prior art, machining precision and structural stability after heat treatment are difficult to cooperatively guarantee is solved, and high-precision and high-reliability unified manufacturing of the complex curved surface gear is achieved.
Owner:HUNAN VOCATIONAL INST OF TECH

Adjustable precision gear turning equipment

The invention relates to the technical field of gear machining, and discloses adjustable precision gear turning equipment which comprises a device body, and the device body comprises a hob and a workbench; and the dynamic following type supporting unit comprises a rotating disc connected to the centering connecting column through a bearing, multiple sets of supporting rods are annularly arranged on the rotating disc, a supporting plate is installed at the ends, away from the rotating disc, of the supporting rods, and multiple sets of edge supporting assemblies are arranged on the supporting plate. By arranging the dynamic following type supporting unit, the supporting plate and the edge supporting assembly of the dynamic following type supporting unit can provide active upward supporting force for the bottom face of the gear to be machined, and during hobbing, the supporting force can actively offset downward cutting force generated by a hobbing cutter to form balance, so that bending deformation of a workpiece is directly prevented, and the service life of the gear to be machined is prolonged. Errors such as tooth shape concave and tooth direction inclination of the machined gear are avoided, and the machining precision and the surface quality of the gear are remarkably improved.
Owner:XINCHANG XINHANG MASCH CO LTD

Planetary gear machining device with bidirectional feeding mechanism

The invention relates to the technical field of planetary gear machining equipment, and discloses a planetary gear machining device with a bidirectional feeding mechanism, which mainly comprises a planetary gear machining machine tool machining table for bearing machining operation, and a conveying mechanism for conveying planetary gear blanks, the bidirectional feeding mechanism is used for realizing bidirectional precise feeding; the conveying mechanism is arranged between machining tables of the planetary gear machining machine tool and used for achieving long-distance conveying of blanks. Two-way operation of blank feeding and finished product discharging can be achieved through the feeding robot of the two-way feeding mechanism, manual intervention is not needed, the blanks on the conveying belt are accurately transferred to the machining table, the finished products are transferred to the designated position after machining is completed, and automation of the whole process is achieved; the mechanical arm of the feeding robot is flexible and controllable and can be matched with the rotating shaft to meet the grabbing and transferring requirements of different angles, the feeding path is accurate, the feeding time is greatly shortened, and the batch production efficiency is improved.
Owner:YANCHENG MINGLIANG MASCH CO LTD

Chamfering mechanism for precision gear machining

The invention relates to the technical field of gear machining, in particular to a chamfering mechanism for precision gear machining, which comprises a floating unit, a chamfering unit and an adjusting unit, the floating unit is fixedly mounted through a fixing support, the chamfering unit is fixedly arranged on the surface of the floating unit, and the adjusting unit is fixedly arranged on the surface of the floating unit. Through the two chamfering tool bits which are oppositely arranged up and down, synchronous chamfering machining can be conducted on the upper tooth edge and the lower tooth edge of the gear, the chamfering efficiency of the single gear is improved, meanwhile, the axis of each chamfering tool bit is parallel to the axis of the gear, and it can be guaranteed that the tooth edge angle of the gear is always consistent; the angle of the upper path guide rail and the angle of the lower path guide rail are set through the adjusting unit, so that the gear chamfering mechanism can be used for chamfering straight-tooth gears and different sharp-tooth gears, the overall use range is wide, and functionality is high.
Owner:JINGJIANG SHUANGXING SPECIAL STEEL FACTORY

Value traceability method for involute curve with large base circle radius

A value traceability method for an involute curve with a large base circle radius. The method comprises the following steps: step 1, determining a coordinate system for value traceability and value transfer parameters; step 2, adjusting the pose of an involute template (8); step 3, adjusting the position of the involute template (8); step 4, calibrating involute parameters; and step 5, eliminating coordinate system establishment errors to achieve calibration of a measurement instrument. The method fills the gap of value traceability methods for large-size gears with diameters greater than 500 mm, and can effectively identify the impact of coordinate system establishment errors on the accuracy of tooth profile measurement, and improve the applicability of a large-gear measurement instrument (9) in complex environments such as on-machine measurement. The method enables high-precision involute measurement, is simple and easy to implement, offers high measurement accuracy, facilitates transportation and installation adjustments, and has good market application prospects and promotion value.
Owner:XIAN TECH UNIV

Gear tooth grinding control system for gear machining

The invention discloses a tooth grinding control system for gear machining, and relates to the technical field of gear grinding. An arc-shaped material collecting cover is installed at the top of a lifting control frame, a blank positioning mechanism used for clamping a gear blank and controlling the gear blank to rotate is arranged on the inner side of the arc-shaped material collecting cover, a tooth groove grinding piece matched with a tooth groove is arranged on one side of a cutting cutterhead on the inner side of the arc-shaped material collecting cover, and a first scrap suction pipe is arranged on the other side of the cutting cutterhead. A second scrap suction pipe is arranged on the side, away from the cutting cutterhead, of the tooth groove grinding piece, the end of the first scrap suction pipe abuts against and aligns to the tooth groove in the gear blank to achieve scrap suction, and the end of the second scrap suction pipe abuts against and aligns to the tooth groove in the gear blank to achieve scrap suction. The cutting cutterhead and the tooth groove grinding piece are integrally arranged on the inner side of the arc-shaped top cover, turning and grinding machining of the gear can be achieved in the process of controlling the reciprocating grinding mechanism to do horizontal reciprocating motion, and the gear machining efficiency and quality are improved through the gear in-situ machining mode.
Owner:TANGSHAN BAISHENG MECHANICAL EQUIP CO LTD

Method for machining face gear through cylindrical cutter

The invention provides a method for processing a face gear by adopting a cylindrical cutter, which comprises the following specific steps of: replacing a conical cutter with a cylindrical gear turning cutter, and setting a process relief angle to avoid interference between the face gear and the cylindrical gear turning cutter; based on the meshing relation between the virtual intermediate cylindrical gear and the face gear, a face gear-cutter space coordinate system conversion model is constructed; inputting the pitch radius of the cylindrical cutter, the pitch radius of the cylindrical gear, the motion parameters of the cylindrical cutter and the face gear and the process relief angle into a face gear-cutter space coordinate system conversion model to obtain each axial offset distance of an original point of the cylindrical cutter relative to an original point of a global coordinate system when the cutter is positioned at a meshed node; and the cylindrical cutter is installed on a machine tool for face gear machining according to the axial offset distances. The cylindrical tooth turning cutter is applied to face gear tooth turning machining, the cylindrical cutter avoids machining theoretical blade type errors, and the economical efficiency and the machining precision stability are comprehensively improved.
Owner:XI AN JIAOTONG UNIV

Tool for fixing inside and outside of large-diameter end tooth

The invention discloses a large-diameter end tooth inside and outside fixing tool which comprises a bottom integral rotating assembly and a cooling adjusting mechanism, an inward positioning mechanism is arranged above the middle of the bottom integral rotating assembly, and an outward positioning rotating mechanism assembled through bolts is arranged above the periphery of the bottom integral rotating assembly. And a clamping operation mechanism assembled by a bolt is arranged on the inner side of the middle part of the outward positioning rotating mechanism. According to the device, a cooling adjusting mechanism is mainly utilized, a pneumatic rotating insertion rod enables a hoisting base to be adjusted to a proper height position for opening and closing adjustment, so that a product is placed and taken down, and after output operation of a hydraulic telescopic frame, a bin sleeving plate is matched with an upper permeation pipe to be located at the optimal position of the product; the upper surface and the lower surface of a product can be cooled at the same time when the node cabins, the connecting pipes, the cooling cabins and the adjusting cabins are subjected to uninterrupted circulating cooling through the sleeve cabin plates and the permeation pipes which are symmetrically constructed, and structural damage to the product caused by overturning machining can be effectively avoided.
Owner:XIONGMING AVIATION SCI IND (WUHU) CO LTD

Heat balance regulation and control method for energy-saving and efficiency-improving high-precision worm grinding wheel gear grinding machine

The invention provides a heat balance regulation and control method for a high-precision worm grinding wheel gear grinding machine for energy conservation and efficiency improvement. The method comprises the steps of establishing an electric-mechanical-thermal energy balance matrix equation of the worm grinding wheel gear grinding machine, carrying out a gear grinding experiment and carrying out data acquisition and processing, establishing a thermal energy balance equation, establishing a comprehensive energy efficiency model, establishing a comprehensive optimization model, solving the optimization model and the like. The heat balance regulation and control strategy of the worm grinding wheel gear grinding machine is obtained through the method, and a guidance basis is provided for energy conservation and efficiency improvement of the gear grinding machine. And a theoretical model and a guidance basis are provided for heat balance regulation and control of the energy-saving worm grinding wheel gear grinding machine. The device is high in universality and wide in applicability, and can be subsequently popularized and applied to other gear manufacturing machine tools.
Owner:CHONGQING UNIV

Skiving tool and method for machining tooth flanks of teeth

Disclosed is a skiving tool for machining teeth where machining marks are produced at unequal distances. Some cutting edges of a skiving tool at least partially extend at different heights along a tool axis. During machining, cutting edges arranged at different axial heights relative to the workpiece axis successively engage on a tooth flank. The engagement of the cutting edges occurs at different time intervals and at different distances in the width direction of the tooth flank. The effects of the engagement of the cutting edges on the machining process and the excitation of vibrations when the teeth produced are used therefore have a frequency spectrum of greater width and lower amplitude than if the cutting edges were to engage at equal time intervals and equal distances. The more irregular surface structure of the teeth have a positive effect on noise excitation behavior when teeth are engaging with other teeth.
Owner:REISHAUER AG

Gear scraping machine tool based on cylindrical cutter and machining method

The invention provides a tooth scraping machine tool based on a cylindrical cutter and a machining method.The tooth scraping machine tool comprises a machine tool body, a stand column is slidably installed at the top of the machine tool body through a radial feeding device, a sliding seat is slidably installed on the stand column through an axial feeding device, and a sliding plate is rotatably installed on the sliding seat through a moving angle adjusting mechanism; a main shaft is installed on the sliding plate in a sliding mode through a tangential feeding device, a cylindrical cutter used for gear scraping machining is installed at the output end of the main shaft, a workbench is arranged on the side edge of the stand column and located on the top of the lathe bed, and the workbench is used for clamping a gear to be machined. The machine tool adopts the cylindrical cutter as the cutter of the tooth scraping machine tool, so that the problems of instability and high cost of the traditional tooth scraping machine tool which adopts a conical cutter to process the tooth form are solved.
Owner:YICHANG CHANGJIANG MASCH TECH CO LTD

Gear train component machining, conveying and positioning system

The invention relates to the technical field of workpiece conveying, in particular to a gear train component machining, conveying and positioning system. Comprising a base and a lower conveying belt in transmission connection with the top of the base. The lower conveying belt is evenly and fixedly connected with the lower trays in the transmission direction. A limiting column is arranged on the upper surface of the lower tray; the center of the upper surface of the base is fixedly connected with a top base through a supporting plate. The lower surface of the top seat is in transmission connection with an upper conveying belt; the upper conveying belt is evenly and fixedly connected with the upper trays in the transmission direction. The lower surface of the upper tray is provided with upper supporting holes allowing the upper ends of the limiting columns to be inserted therein. The limiting columns are clamped into the upper supporting holes of the upper tray in the conveying process of the lower conveying belt, so that the upper ends and the lower ends of the limiting columns are positioned, and the limiting columns drive the stacked annular blanks to be more stable in the conveying process; and the situation that the limiting column is unstable due to impact force such as inertia is avoided.
Owner:TAIZHOU LIHUA MACNINERY

Gear manufacturing lathe facilitating waste cleaning, compressing and recycling

The invention relates to the field of gear manufacturing and machining, in particular to a gear manufacturing lathe facilitating waste cleaning, compressing and recycling, which comprises a gear machining lathe, the gear machining lathe comprises a machine body, mounting seats are mounted on two sides of the middle of the top end of the machine body, and working frames are mounted on the tops of the mounting seats; air cylinders are fixedly connected to the tops of the working frames correspondingly, mounting plates are fixedly connected to the telescopic ends of the bottoms of the air cylinders correspondingly, the mounting plates are slidably connected to the front portions of the working frames correspondingly, double-head motors are mounted on the front portions of the mounting plates correspondingly, and gear hobs are fixedly connected to the peripheries of the driving ends, close to the sides, of the double-head motors correspondingly. When chippings are accumulated in the middle bin and reach a certain weight, the chippings can exceed the maximum bearing load of a spring in a rubber plate, so that the rubber plate can be'crushed ', the rubber plate is bent and deformed downwards, at the moment, the chippings can fall into the treatment bin to be subjected to centralized compression treatment, and therefore single-time batch compression can be achieved.
Owner:TAIZHOU FANYU PRECISION GEAR MFG CO LTD

Gear grinding device for gear machining

The invention belongs to the technical field of gear machining, and particularly relates to a gear machining gear grinding device which comprises a workbench. The top surface of the workbench is rotationally connected with a turntable; two pairs of uniformly arranged mounting seats are rotationally arranged on the top surface of the turntable; the tray is rotated on the top surface of the mounting seat; the top surface of the tray is rotationally connected with a double-end stud; the two ends of the double-end stud are in threaded connection with bearing columns correspondingly, and the bearing columns are slidably connected with the top face of the mounting base. The top face of the bearing column is fixedly connected with a clamping rod, and the diameter of the clamping rod is smaller than that of the bearing column. A supporting frame is slidably connected to the top face of the workbench, through cooperation of a rotary disc, a mounting base, a tray, a double-end stud, a bearing column, a clamping rod and a grinding disc, the grinding disc can grind two gears at a time, so that the grinding efficiency of the gears is improved, during gear grinding, a user can also feed another pair of gears, and the grinding efficiency of the gears is improved. And the gear grinding efficiency is further improved.
Owner:JIANGSU YIXIN GEAR MFG CO LTD

Method of preforming a grinding tool

The invention relates to a method of pre-forming a grinding tool. In a method for preforming a grinding tool, a device, in particular a gear grinder (1), is provided for fine hard machining of a workpiece and for preforming a grinding tool, comprising: a workpiece spindle (2) for rotating the workpiece; a grinding spindle (3) which can be fed at least along a grinding spindle transverse feed axis X in order to rotate a grinding tool, in particular a grinding worm (4) or a grinding wheel; and a forming device (5) with a fixed first forming plate (6). A grinding tool blank, in particular a grinding worm blank, is arranged on a grinding spindle (3) of the device. The apparatus is placed in a shaped configuration. The grinding spindle (3) is fed until the grinding tool blank is operatively connected to the first forming plate (6). And finally, pre-forming the grinding tool blank.
Owner:REISHAUER AG

Internal tooth powerful gear honing machine machining tooth direction adjusting method and device and gear honing machine

The invention discloses an internal tooth powerful gear honing machine machining tooth direction adjusting method and device and a gear honing machine. The adjusting method comprises the steps that the tooth direction error and the taper error of a honing wheel of the gear honing machine and a to-be-machined gear workpiece are determined, a honing wheel frame is rotated to rotate around a tool rest stand column, and the meshing angle of the honing wheel and the gear workpiece is changed for tooth direction compensation; the tool rest stand column is rotated around the machine body of the gear honing machine, the angle of the tool rest stand column is changed to adjust the angle of the gear workpiece, and taper compensation is conducted; and finally finishing the adjustment of the machining tooth direction of the gear honing machine. By controlling the rotation amount of the honing wheel frame and the tool rest stand column, the tooth direction error and the taper error between the gear workpiece and the honing wheel are compensated, the gear workpieces in different tooth directions are machined under the condition that the honing wheel is not trimmed, the material cost and the time cost are reduced, and the machining efficiency is improved.
Owner:NAN JING ER JI CHI LUN JI CHUANG YOU XIAN GONG SI

A composite collaborative grinding method for worm grinding wheel and profiled grinding wheel gear grinding process

The present invention provides a composite collaborative grinding method for a worm grinding wheel and a forming grinding wheel gear grinding process, comprising carrying out a composite gear grinding machine structure optimization design, specifically, simultaneously installing the worm grinding wheel and the forming grinding wheel on the grinding wheel main shaft; using a common roller dressing device according to the composite gear grinding machine main shaft structure, using the common roller dressing device to dress the composite shaft cross-sectional profile of the worm grinding wheel and the forming grinding wheel, and planning the dressing path according to the composite shaft cross-sectional profile to complete the dressing of the worm grinding wheel and the forming grinding wheel; using the worm grinding wheel to perform rough grinding on the gear, measuring the maximum grinding allowance and the minimum grinding allowance of the tooth surface after rough grinding, adjusting the automatic centering device according to the maximum grinding allowance and the minimum grinding allowance, and using the forming grinding wheel to perform fine grinding on the gear. This application enables the worm grinding wheel and the forming grinding wheel to work together in the same process, thereby simultaneously completing the rough machining and fine machining of the gear, improving production efficiency and overall machining accuracy, and reducing machining costs.
Owner:CHONGQING UNIV

High-precision edge grinding device for precision gear machining

The high-precision edge grinding device for precision gear machining comprises a machining table, a conical groove is formed in the top of the machining table, a filtering plate is fixedly connected between the opposite side walls of the conical groove, an L-shaped plate is fixedly connected to the side wall of the machining table, and a cleaning mechanism used for cleaning scraps is arranged on the machining table. The cleaning mechanism comprises a cleaning assembly, the cleaning assembly comprises a water tank fixedly connected between the opposite side walls of the machining table, a water pump is installed on the side wall of the water tank, and the output end of the water pump is connected with an L-shaped pipe. According to the high-precision edge grinding device for precision gear machining, the problems that in the prior art, a soft brush is used for cleaning scraps, although the cleaning effect can be achieved, the soft brush possibly cannot penetrate into each corner and tooth groove of a gear, and especially for a complex or small gear, cleaning dead corners possibly exist are solved.
Owner:ZHANGJIAGANG XINZHENG HEAVY IND MASCH MFG CO LTD

Double-station gear grinding machining device

The invention provides a double-station gear grinding machining device and belongs to the technical field of gear machining.The double-station gear grinding machining device comprises a machining table, strip-shaped grinding teeth, a guide assembly, a first driving assembly, a second driving assembly and a rotary supporting assembly, a U-shaped support plate is fixedly arranged on the upper portion of the machining table, and the rotary supporting assembly is installed on the upper portion of the machining table; the strip-shaped grinding teeth are arranged at the bottom of the mounting plate and used for rotationally supporting a gear to be ground, the multiple sets of strip-shaped grinding teeth are fixedly arranged at the bottom of the mounting plate at intervals, the multiple strip-shaped grinding teeth can be meshed with the gear to be ground, and the first driving assembly and the second driving assembly are mounted on the U-shaped support plate. The first driving assembly is used for driving the mounting plate to intermittently move in the length direction of the machining table. Compared with the prior art, the full-automatic gear grinding operation of the gear to be ground can be achieved, and the gear grinding device has the advantages of being high in gear grinding efficiency and good in organic gear grinding effect.
Owner:JIANGSU SHENGAN RESOURCES CO LTD

Worm grinding wheel gear grinding machine capable of improving machining precision and machining technology of worm grinding wheel gear grinding machine

The invention relates to the technical field of worm manufacturing, and discloses a worm grinding wheel gear grinding machine capable of improving machining precision and a machining process thereof.The worm grinding wheel gear grinding machine comprises a numerical control machine tool, positioning rotating assemblies are arranged on the two opposite side walls of an inner cavity of the numerical control machine tool, and diamond repairing discs are arranged on the positioning rotating assemblies; an adjusting rotating assembly is further arranged on one side wall of the numerical control machine tool inner cavity. According to the grinding wheel repairing device, when a first diamond limiting block, a second diamond limiting block and a third diamond limiting block move to a certain position, a detection rod can move upwards until the detection is detected by a monitoring sensor, and therefore a grinding wheel is moved to a diamond repairing disc to be repaired by adjusting a rotating assembly; therefore, the grinding wheel can be detected at the first time when the two sides and the surface of the grinding wheel are worn to a certain degree, repair is carried out, the worm continues to be frosted after repair is completed, and the phenomenon that the worm cannot be detected at the first time due to the influence of chippings, cutting fluid and the like when being frosted is avoided.
Owner:HUIZHOU GETO TECH CO LTD

Positioning mechanism for bevel gear machining

The invention belongs to the technical field of bevel gear machining, and particularly provides a bevel gear machining positioning mechanism which comprises an operation table, a connecting frame is arranged on one side of the operation table, an extrusion type inner shaft positioning assembly is rotationally arranged in the center of the operation table, and the extrusion type inner shaft positioning assembly is sleeved with a gear blank; a follow-up type pressing assembly is rotationally arranged on the connecting frame and movably arranged above the extrusion type inner shaft positioning assembly, and magnetic control type chip collecting mechanisms are evenly distributed on the periphery of the operation table. According to the positioning mechanism for bevel gear machining, positioning can be achieved through an inner ring of a bevel gear blank, one-key clamping can be achieved, the lever principle is utilized, the conical structure of the conical block is combined, the inner ring of the gear blank is extruded and positioned through the expansion block while the gear blank is pressed by the pressing plate in a pressing and extruding mode, and the technical effect of one-key clamping is achieved; and automatic machining of bevel gear tooth grooves is facilitated.
Owner:WENLING DABING MASCH FITTINGS FACTORY

Method for hard finishing a workpiece with a toothing or a profile on a hard finishing machine

The invention relates to a method for hard fine machining of a workpiece on a hard fine machining machine, wherein the hard fine machining machine has a number of machine axes, wherein in the method the workpiece is received on a workpiece spindle and is machined by means of a tool which is received on a tool spindle by engaging the tool with the workpiece.In order to enable improved condition monitoring of the hard fine machining machine, the invention provides that at least in a time segment of the machining phase in which the tool is not in engagement with the workpiece, a test run is carried out on at least one machine axis, wherein the machine axis is driven during the test run, wherein a value is specified for at least one drive parameter for which a target value of the movement of the machine axis is expected, wherein the actual value of the movement of the machine axis is recorded, wherein a monitoring device compares the target value and the actual value and wherein a signal is output by the monitoring device if the comparison between the target value and the actual value has shown that the difference between the target value and the actual value lies outside a permissible range.
Owner:KAPP NILES GMBH & CO KG

A method for forming a ball gear by milling

The present application belongs to the technical field of gear machining, and discloses a forming milling machining method of spherical gear. The method uses a disc-shaped milling cutter to machine the spherical gear, and the steps are as follows: firstly, the parameters of the spherical gear are given, the tooth surface equation of the spherical gear is derived, and the tooth surface normal vector is calculated; secondly, the forming milling machining coordinate system of the spherical gear is established, and the homogeneous transformation matrix between the coordinate systems is derived, and then the contact line equation between the spherical gear and the disc-shaped milling cutter is derived; then, the cross-sectional profile of the disc-shaped milling cutter is calculated, and then the rotary surface of the disc-shaped milling cutter is obtained; finally, the spherical gear is formed and milled by using the calculated disc-shaped milling cutter, and after machining an annular gear slot, the disc-shaped milling cutter is rotated by a certain angle to continue machining the next gear slot. The forming milling machining method of the spherical gear proposed by the present application can realize the machining of the spherical gear without relying on special gear machining machine tools, and the disc-shaped milling cutter used has a simple structure and is easy to manufacture.
Owner:DALIAN UNIV OF TECH

Turning machine tool for gear machining

The invention relates to the technical field of gear machining, and particularly discloses a gear machining turning machine tool which comprises a base, a clamp box and an adjusting box which can be adjusted in a sliding mode are installed on the top face of the base through sliding rails, and a clamping assembly used for clamping steel billets is arranged in the clamp box. By integrating the high-precision sliding rail and the synchronous adjusting mechanism, the machine tool can rapidly and cooperatively calibrate the eccentric distance and the non-circular phase of the main shaft, the time needed by traditional manual adjustment is remarkably shortened, excellent positioning precision is achieved, vibration and drifting in the machining process are effectively restrained through the dynamic locking device, and the machining precision is improved. Coaxiality errors of non-circular gear hole site machining are greatly reduced, accidental errors caused by manual adjustment are eliminated as much as possible, and a phase reference with the consistent height is provided for follow-up tooth profile machining.
Owner:JINING XINDONGYUAN INTELLIGENT EQUIPMENT CO LTD

Gear circulating chamfering device

The invention discloses a gear circulating chamfering device, and particularly relates to the technical field of universal grinding, which comprises a grinding machine sleeve, a concave air bag, a controller and a synchronous constant-force grinding chamfering assembly, the synchronous constant-force grinding and chamfering assembly comprises a plurality of push plates, an elastic strip, a side pressing plate, two chamfering grinding heads, a plurality of L-shaped frames and an arc-shaped plate. By means of the synchronous constant-force grinding and chamfering assembly, synchronous constant-force extrusion grinding and chamfering are carried out on multiple tooth groove corner positions of the outer wall of a gear and the outer walls of multiple chamfering grinding heads while discharging is carried out, the complexity and time consumption caused by one-by-one tooth groove operation in a traditional mode are reduced, and the grinding efficiency of the gear is remarkably improved through intelligent machining; and the advantages of high efficiency and high precision of grinding and chamfering are considered, so that the problems that synchronous constant-force grinding and chamfering are difficult to carry out on multiple tooth grooves of the gear at the same time in the discharging link in a traditional mode, and the dual requirements of intelligent manufacturing for high efficiency and high precision are difficult to meet are solved.
Owner:GANTRY LAB

Precision gear intelligent machining equipment

The invention belongs to the technical field of gear machining equipment, and particularly relates to precise gear intelligent machining equipment which comprises a machine body, a mounting block is arranged on the end face of the machine body, a rotating disc is rotationally arranged on one side of the mounting block, and a plurality of loading blocks are arranged outside the rotating disc in the circumferential direction. Fixing bolts used for fixing gears are slidably arranged in the multiple loading blocks, driving inclined blocks are slidably arranged on the bottom end faces of the multiple loading blocks, a dust collecting cabin is arranged in the rotating disc, a recycling cavity is formed in the dust collecting cabin, and an arc-shaped shell is slidably arranged on the portion, on the end face of the machine body, of one side of the rotating disc; according to the gear machining device, by arranging the rotating disc, the loading block and other structures, the gear machining operation does not need to be stopped, feeding can be completed while machining is conducted, and therefore the machining efficiency is improved; by arranging the structures such as the limiting rod and the abutting block, the gear can be positioned when the gear is machined, the machining precision is improved, meanwhile, the gear can be supported, and the gear machining stability is improved.
Owner:HANGZHOU FUYANG XUSHENG PRECISION MACHINERY CO LTD