Patent classifications
B23Q2717/006
Cutting processing apparatus
A cutting processing apparatus includes a cutting tool, a chuck portion, a feed mechanism, a fixing portion that fixes the cutting object, a stage that moves the fixing portion at a processing speed in a direction substantially orthogonal to a rotation axis of the chuck portion, a sensor that is arranged in the vicinity of a position on the fixing portion at which the cutting object is fixed, detects vibration of the cutting tool during cutting processing of the cutting object, and outputs a monitoring signal, and a control circuit that converts time waveform data of the monitoring signal to frequency waveform data and extracts an impact amount during cutting processing of the cutting object from the frequency waveform data.
PREDICTIVE CUTTING TOOL FAILURE DETERMINATION
The example embodiments are directed to a system and method for determining the health of a cutting tool used in milling operations or the like. In one example, the method may include receiving operating characteristics of a cutting machine which are captured during an iteration of a cutting operation, generating a signature pattern associated with the cutting machine based on the operating characteristics, the signature pattern representing a unique pattern of the operating characteristics of the cutting machine during the cutting operation, determining health information of a cutting tool of the cutting machine based on the signature pattern and a benchmark signature pattern, and outputting the determined health information of the cutting tool for display on a display device. Accordingly, a cutting tool can be replaced at the optimum time thereby improving productivity and conserving cost.
DETECTION DEVICE, DETECETION METHOD AND COMPENSATION METHOD FOR TOOL WEAR
A detection device, detection method, and compensation method for tool wear, applied to a machine tool including a spindle connected to a tool. A first parameter set including a first cutting depth having a zero cutting depth is set, and the machine tool performs a cutting procedure with the first parameter set to record a first loading rate of the spindle. A second parameter set including a second cutting depth having a non-zero cutting depth is set, and the machine tool performs the cutting procedure with the second parameter set to record a second loading rate of the spindle. A processing device calculates an estimated cutting force according to the loading rates and a machine performance database. A fuzzy logic unit outputs a wear level according to a tool wear database and the estimated cutting force. The machine tool adjusts a cutting locus according to the wear level.
Apparatus and method for processing anode plate for electrolysis
An apparatus and method for processing anode plate for electrolysis, the apparatus includes a transverse transmission device (3) for transmitting the anode plate in a transverse direction; a plate-flattening and thickness-measuring device (4) for flattening the anode plate and measuring a thickness of the anode plate; a hanger bottom milling device (6) configured to mill a bottom surface of a hanger of the anode plate, disposed at a first side of the transverse transmission device (3) and positioned downstream of the plate-flattening and thickness-measuring device (4) in the transverse direction; and a hanger side milling device (5) configured to mill a side surface of the hanger of the anode plate, disposed at a second side of the transverse transmission device (3) and positioned downstream of the plate-flattening and thickness-measuring device (4) in the transverse direction.
Method for evaluating tool installation, and machine tool
Provided is a method for evaluating tool installation when fastening a tool to a main shaft of a machine tool, wherein the method includes a storage step for storing a reference location of a draw bar at the time when the tool is contacting a mounting seat of the main shaft, in a state in which foreign matter has been removed from the surface of the mounting seat and from the contacting surface of the tool. The method for evaluating tool installation includes a measuring step for measuring a measurement location of the draw bar when the tool is installed on the main shaft, and a determination step for determining the installation state of the tool to be abnormal if a measurement-location error with respect to the reference location exceeds a predetermined determination range.
Method For Using A Geometrical Probe With A Spindle Of A Machine Tool, And Machine Tool Configured To Carry Out Such A Method
A method for using a geometrical probe (5) with a spindle (3) of a machine tool (1), wherein a probe fetch waiting state of the machine tool (1), at least one temperature parameter related to a temperature of the spindle (3) of the machine tool (1) is determined by measuring at least one temperature value for the spindle (3), and time for fetching the geometrical probe (5) is determined depending on the at least one temperature parameter.
CONTROL METHOD FOR MACHINE TOOL, AND MACHINE TOOL
This method, for controlling a machine tool using a tool holder to which a coolant pipe is attached, includes: a step of detecting, in response to a signal indicating that a tool is prepared on a tool loading station of the machine tool, whether or not an abnormality has occurred in attaching the coolant pipe to the tool holder of the tool while the tool holder is at the tool loading station; and a step of issuing an alarm when the abnormality is detected in the step of detecting the occurrence of the abnormality.
WORKPIECE AND CUTTER POSE CALIBRATION METHOD BASED ON ROBOTIC EDGE MILLING ERROR TRACKING
A workpiece and cutter pose calibration method based on robotic edge milling error tracking, including: 1. generating an edge milling trajectory point cloud; 2. obtaining an actual edge milling three-dimensional point cloud; 3. generating an updated edge milling three-dimensional point cloud; 4. calculating an edge milling allowance error and a posture inclination error; 5. solving position errors of the workpiece and cutter; 6. solving posture errors of the workpiece and cutter; 7. updating pose parameters of the workpiece and cutter; 8. repeating steps 4 to 7 until pose error vectors of the workpiece and cutter are both not greater than corresponding preset thresholds. The disclosure performs error comparison, error modeling, and error tracking on the three-dimensional point cloud and edge milling trajectory point cloud, even if the cutter has system errors such as axis deviation, the disclosure can accurately identify pose errors of the workpiece and cutter during edge milling.
MEASURING SLEEVE FOR TOOL MEASUREMENT
A measuring sleeve for measuring a tool, a tool presetting device, a method for measuring a tool by means of a tool presetting device and to a method for mounting a tool in a tool holder. The measuring sleeve for measuring a tool provides a base body, particularly in the form of a sleeve, with a recess which runs starting from a first end side of the measuring sleeve in the axial direction of the measuring sleeve and has cross sections, in particular circular cross sections, decreasing in steps for receiving a tool to be measured.
Method and device for controlling an ultrasound tool unit for machining on a machine tool
The present invention relates to a method and a device for controlling an ultrasound tool unit for machining a workpiece on a machine tool. For this, a plurality of parameter sets are stored on a storage device of a control device of the machine tool. When controlling an ultrasound transducer of the ultrasound tool unit received on a work spindle of the machine tool on the basis of a sensor signal input into a controller by means of a generator operated by the controller, on the basis of a first parameter set, which is associated with the ultrasound tool unit and sets the operation of the controller, an operating setting of the controller is switched by changing the first parameter set setting the operation of the controller on the basis of a second parameter set, which is associated with the ultrasound tool unit, of the plurality of parameter sets stored on the storage device.