G05B2219/36198

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.

Controller for machine tool
10859995 · 2020-12-08 · ·

To provide a numerical controller for a machine tool capable of shredding chips efficiently along one path by making oscillating motion involving synchronization between multiple axes and intermittently making cutting-out motion and cutting-in motion. A controller is for a machine tool used for thread cutting of a work as a target of the thread cutting using multiple axes, comprising: a movement command generation unit that generates a movement command for the multiple axes; an oscillation command generation unit that generates an oscillation command for causing a work rotary axis, a tool feed axis, and a radial direction motion axis to make oscillating motion involving synchronization between these three axes, the oscillation command being for causing a cutting tool to make motion of departing from the work while making cutting-out motion on the work and make cutting-in motion on the work intermittently; and an adder that adds the movement command and the oscillation command and outputs a total movement command resulting from the addition.

METHOD FOR CUTTING A GEAR AND GEAR-CUTTING MACHINE
20200361012 · 2020-11-19 ·

The invention relates to a method for machining a toothing of a workpiece held in a clamping, in which method a toothing tool that rotates about its rotational axis and comprises cutting edges is brought into in particular rolling chip-removing machining engagement with the toothing that in particular rotates about its rotational axis, in order to produce a predetermined tooth flank end geometry in one or more machining passes, wherein during the machining pass which produces the tooth flank end geometry, monitoring responsive to the event of a removed chip being pressed into a machined tooth flank of the toothing by means of the in particular rolling machining process is carried out and, if the monitoring responds, an additional toothing machining process that removes the material protrusion on top of the tooth flank end geometry formed by the chip that was pressed in during the event which occurred is implemented in particular automatically, which process is carried out in particular in the same clamping of the workpiece and in particular by means of the toothing tool itself.

Controller for chip cutting when processing a rotating workpiece
10814398 · 2020-10-27 · ·

A controller controls a machine tool, which performs thread cutting for a workpiece, according to a machining program. The controller analyzes operating conditions of a cutting-up/cutting-in motion commanded in the machining program and inserts a cutting-up/cutting-in motion created based on the analyzed operating conditions into the thread cutting. In the insertion of the cutting-up/cutting-in motion into the thread cutting, a cycle including a cutting-in operation, a cutting-up operation for separating chips by raising the cutting tool for cutting in the radial direction of the workpiece, and an operation to cause the cutting tool to approach a start position of an immediately preceding cutting-up operation so as not to interfere with the workpiece is repeatedly performed.

Method for creating or machining toothings on workpieces by gear shaping with regulation of spindle rotation setpoints

The invention relates to a method for creating or machining toothings on workpieces in rolling machining engagement, in particular by gear shaping, in which an NC control of the rotary spindle drives of workpiece and tool comprises regulation of the rotation angle position of each particular spindle to setpoints depending on the process parameters associated with the process design underlying the method, wherein data containing information relating to a deflection, caused by the process forces that arise during machining and resulting in profile shape deviations on the workpiece, of the position of the tool flanks of tool and workpiece out of their position intended as per the process design, are used to determine a correction, taking the deflection into account, of the rotation angle position of workpiece spindle and/or tool spindle and thus to modify the setpoints of the regulation.

Instrumentation composite integration system

According to an aspect, an apparatus is provided. The apparatus includes a cutter, a spooling mechanism and a computing system. The computing system is configured to drive the cutter to form a channel in the ply based on the stored instrumentation layout. The computing system is additionally configured to drive the spooling mechanism to insert the instrumentation into the formed channel based on the stored instrumentation layout.

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.

NC-based ring blade production apparatus
20200133223 · 2020-04-30 ·

The invention discloses a NC-based ring blade production apparatus, which includes a box body, which is provided with a processing cavity penetrating forward and backward, and the processing cavity is symmetrically provided with clamping devices. An annular blade can be clamped between them. The annular blade after processing has a cutting edge hole penetrating up and down, a transmission device is arranged in the upper inner wall of the processing cavity, and the lower end of the transmission device is screwed to the clamping device. The present invention controls the processing of the annular blade through the numerical control method of human-machine interaction, improves the accuracy of the annular blade, and can also perform the reaming process of the edge hole of the existing annular blade, thereby improving the recycling of the annular blade.

Numerical control device

A numerical control apparatus includes: a drive unit controlling a main shaft rotating a workpiece, a first drive shaft feeding a cutting tool relatively to the workpiece along a perpendicular direction to a lead direction of a thread, and a second drive shaft feeding the cutting tool relatively to the workpiece along the lead direction; and a vibration unit superimposing, on movement of the first drive shaft, vibration having a period having a predetermined ratio with a rotation period of the main shaft, and forms a thread on the workpiece by moving the cutting tool and the workpiece relative to each other and performing cut processes on the workpiece. The numerical control apparatus includes a thread-cutting vibration adjustment unit controlling the drive unit to shift phase of the vibration with respect to phase of the main shaft by a predetermined vibration phase shift amount every time in the cut processes.

INSTRUMENTATION COMPOSITE INTEGRATION SYSTEM
20200096963 · 2020-03-26 ·

According to an aspect, an apparatus is provided. The apparatus includes a cutter, a spooling mechanism and a computing system. The computing system is configured to drive the cutter to form a channel in the ply based on the stored instrumentation layout. The computing system is additionally configured to drive the spooling mechanism to insert the instrumentation into the formed channel based on the stored instrumentation layout.