B23F23/006

Controller for gear cutting machine
11003168 · 2021-05-11 · ·

Provided is a controller for controlling a gear cutting machine having a plurality of axes, the controller including an axis information storage unit configured to store data related to control of the plurality of axes during machining, and a disturbance component identification unit configured to identify a component of disturbance with respect to the plurality of axes using the data stored by the axis information storage unit and measurement results of machining accuracy of a workpiece machined by the cutting machine.

Method and apparatus for gear skiving
11059116 · 2021-07-13 · ·

The present disclosure relates to a method for gear skiving a workpiece, wherein: in a first step, the geometry of a tool, in particular of a skiving wheel, is measured for the machining of the workpiece in a state clamped in an apparatus for gear skiving machining; and in a subsequent further step, machining kinematics are determined for the gear skiving in dependence on the measured geometry of the tool characterized in that the absolute location of a cutting edge of the tool in the apparatus is determined in the first step.

GEAR MACHINING SUPPORT DEVICE AND GEAR MACHINING DEVICE
20210008653 · 2021-01-14 · ·

A gear machining support device supports machining when a tooth of a gear is machined on a workpiece by relatively moving the workpiece and a machining tool while synchronizing rotations of the workpiece and the machining tool around respective center axis lines thereof. The gear machining support device includes: a target modification amount storage unit configured to store target modification amounts of at least two of modification elements of a tooth surface shape of the tooth of the gear, the modification elements including crowning, bias, a helix angle, a pressure angle, and a tooth profile roundness; and a correction amount determination unit configured to determine a correction amount of a machining control element during a machining operation such that the at least two of modification elements approximate the respective target modification amounts stored in the target modification amount storage unit.

METHOD AND DEVICE FOR MEASURING A ROLL MACHINING TOOL

The invention relates to a method for measuring a tool (1) for roll machining toothed workpieces, wherein a virtual contact points is calculator on a rounded virtual blade of a virtual tool. The relative orientation between the tool axis (B) and the measuring device (11) as well as a translational relative position between the tool and the measuring device are then calculated and adjusted on the basis of the calculated virtual contact point. The measurement is taken on the real blade in the adjusted relative orientation and relative position, and the measurement can be taken in particular using a cylindrical scanning means in the form of a laser beam, wherein the cylindrical scanning means tangentially contacts the virtual blade in the virtual contact point.

Method for the automatic determination of the geometrical dimensions of a tool in a gear cutting machine

The application relates to a method for the automatic determination of the geometrical dimensions of a tool having a machining region in worm thread form, in particular of a grinding worm, in a gear cutting machine, wherein at least one parameter of the tool is automatically detected and/or determined by means of at least one sensor.

Method for deburring bevel gears and CNC gear-cutting machine having corresponding software for deburring

A method for deburring bevel gears using a deburring tool, which comprises at least one cutting edge, having the following steps: rotationally driving the deburring tool around a deburring spindle axis, rotationally driving a bevel gear around a workpiece spindle axis, wherein the rotational driving of the deburring tool and the rotational driving of the bevel gear take place in a coupled manner with an inverse coupling transmission ratio, it is a continuous method for deburring, in which the cutting edge executes a relative flight movement in relation to the bevel gear, the relative flight movement is defined by a hypocycloid, and wherein a burr is removed at least on one tooth edge of a tooth gap in the region of the bevel gear toe and/or the bevel gear heel by a cutting contact of the cutting edge with the tooth edge.

Apparatus and method for chamfering a workpiece with internal gearing
10688575 · 2020-06-23 · ·

The present disclosure relates to an apparatus for chamfering at least one edge of the gearing at the front side of a workpiece having internal gearing comprising at least one rotatably supported workpiece holder for holding the workpiece and comprising at least one rotatably supported tool holder for holding a chamfer hob, possibly a chamfer cut hob, wherein the tool holder is arranged at an internal hob arm whose free end can be traveled by a machine axis of the apparatus at least partly into the center opening formed by the internal gearing of the workpiece.

CONTROLLER FOR GEAR CUTTING MACHINE
20200103854 · 2020-04-02 · ·

Provided is a controller for controlling a gear cutting machine having a plurality of axes, the controller including an axis information storage unit configured to store data related to control of the plurality of axes during machining, and a disturbance component identification unit configured to identify a component of disturbance with respect to the plurality of axes using the data stored by the axis information storage unit and measurement results of machining accuracy of a workpiece machined by the cutting machine.

Process for gear manufacturing machining
10569349 · 2020-02-25 · ·

The present invention shows a process for gear manufacturing machining a workpiece by a tool on a gear manufacturing machine, wherein the workpiece is machined by a generating machining process in which the tool for gear manufacturing machining rolls off on the workpiece at a predefined center distance and axial cross angle, wherein the gear manufacturing machining preferably takes place on two flanks, with a desired tooth trace shape and/or tooth thickness of the gearing being generated by the generating machining process. The process is characterized in that an additional condition is predefinable and in that the center distance and the axial cross angle are determined in dependence on the desired tooth trace shape and/or tooth thickness of the gearing and on the additional condition.

Machine and method for the finishing of gears
10537952 · 2020-01-21 · ·

A machine and method for the finishing of gears with a finishing tool, in particular a grinding wheel; the machine having a plurality of workpiece carrier slides, a plurality of workpiece carrier spindles, each of which is mounted on a respective workpiece carrier slide, and a plurality of loading-unloading stations; each workpiece carrier spindle is rotating and supports a gear; each workpiece carrier slide slides from a respective loading-unloading station to a working station and vice versa; in which the control unit synchronizes the rotation of each gear with the rotation of the finishing tool outside of the working station so that by entering the working station the gear meshes with the finishing tool without collisions.