Abstract:
A packaging-filling device and a packaging material cutting device enabling the replacement of a knife at proper timing by quantitatively detecting the life span of the knife of the cutting device. In the packaging-filling device, a fluid product is filled in the tube of the web-like packaging material, the tube is laterally sealed to form a lateral seal zone, and the seal zones of pillow-shaped preliminarily molded bodies (49) formed in a continuously joined state are cut off into the pieces of pillow-shaped preliminarily molded bodies (49) by the cutting device (32) to form packaged and filled containers in a final configuration. The cutting device (32) comprises a resistance measuring means for measuring the cutting resistance of the knife (33) receiving from the packaging material and outputting the measured values and a blade diagnosing means for diagnosing the state of the knife (33) based on the measured values.
Abstract:
Disclosed is an apparatus for sensing a position of a cutting tool in a computer numerical controlled machine tool. According to a preferred embodiment of the present invention, a housing has a gear assembly, a stopper, a driving motor and a pair of sensors. An arm includes a first sensor for sensing the position of the cutting tool in the computer numerical controlled machine tool, which moves the first sensor to a position facing the cutting tool. The gear assembly is combined to the arm to pivot the arm in a range of predetermined angles. The driving motor supplied rotation force to the gear assembly so as to pivot the arm connected to the gear assembly. The arm is pivoted about an axis of a warm wheel shaft in a range of predetermined angles. When the arm excessively pivots about the axis of the warm wheel shaft, the stopper and the warm can restrain the pivoting of the arm.
Abstract:
The invention relates to a method and to a device for testing the cutting edge geometry of a rotary-driven tool (20). The cutting edge geometry of a tool is tested during time intervals that comprise points in time at which a zone of the tool to be tested (32) is expected to dip into a measuring beam (14). At points in time when the tool does not dip into the measuring beam no measurements are made, thereby increasing the reliability of the measurements and preventing measuring errors. To this end, a measuring system (10-18) is used that preferably comprises programmable units to use the invention flexibly in different machine tools and tools without having to change the set-up of the measuring system.
Abstract:
In a machine tool for cutting a work by using a tool on which at least one throwaway tip is provided, the tips (C1, C2...Cn) on the tool are photographed by an image pickup means, the images obtained being subjected to different image processing operations to obtain luminance value distribution data in inspection regions set on the edge portions of the tips, the luminance value distribution data thus obtained being subjected to an inter-image computation processing to take out a luminance value only of a defective portion (Cc) of these inspection regions, the troubles with the tips (C1, C2...Cn) being detected on the basis of this luminance value. Even when an edge portion of a tip (C) is blackened or soiled, the trouble with the tip (C) can be detected reliably.
Abstract:
To determine whether a tool may be used successfully to fabricate a worksheet in a sheet fabrication machine, data relating to all tools that may be used for the machine as provided by the manufacturers of those tools'are stored in a tool database. Dimensional data and characteristics of the worksheets that may be used by the machine are stored in a worksheet database. When a given worksheet is to be fabricated, a determination is made on whether a tool is usable for fabricating that worksheet without causing possible damage to the worksheet, the tool and its die, and/or the machine. The grind life remaining for the tool is used to determine whether the proper clearance between the tool and its die is obtainable by using the tool on the given worksheet. If it is determined that the tool is not usable for a given worksheet, the tool is flagged and reserved for use on worksheets that have. a material thickness that is thinner than that of the given worksheet. An appropriate tool that does provide the proper clearance and has the appropriate grind life remaining is then selected for working on the given worksheet.
Abstract:
To determine whether a tool may be used successfully to fabricate a worksheet in a sheet fabrication machine, data relating to all tools that may be used for the machine as provided by the manufacturers of those tools'are stored in a tool database. Dimensional data and characteristics of the worksheets that may be used by the machine are stored in a worksheet database. When a given worksheet is to be fabricated, a determination is made on whether a tool is usable for fabricating that worksheet without causing possible damage to the worksheet, the tool and its die, and/or the machine. The grind life remaining for the tool is used to determine whether the proper clearance between the tool and its die is obtainable by using the tool on the given worksheet. If it is determined that the tool is not usable for a given worksheet, the tool is flagged and reserved for use on worksheets that have. a material thickness that is thinner than that of the given worksheet. An appropriate tool that does provide the proper clearance and has the appropriate grind life remaining is then selected for working on the given worksheet.
Abstract:
A method for analysing the condition of a machine having a rotating shaft, comprising: generating an analogue electric measurement signal (S EA ) dependent on mechanical vibrations emanating from rotation of said shaft; sampling said analogue measurement signal at a sampling frequency (f S ) so as to generate a digital measurement data signal (S MD ) in response to said received analogue measurement data; performing a decimation of the digital measurement data signal (S MD ) so as to achieve a digital signal (S RED ) having a reduced sampling frequency (f SR1 , f SR2 ); wherein said decimation includes the step of controlling the reduced sampling frequency (f SR1 , f SR2 ) such that the number of sample values per revolution of the shaft (8) is kept at a substantially constant value; and receiving said digital signal (S RED2 ) at an an enhancer input performing a correlation in said enhancer so as to produce an output signal sequence (O) wherein repetitive signals amplitude components are amplified in relation to stochastic signal components performing a condition analysis function (F1, F2, Fn) for analysing the condition of the machine dependent on said digital signal (S RED ) having a reducent sampling frequency (f SR1 , f SR2 ).
Abstract:
A tool management method comprising acquiring, during the course of machining by using an NC program, tool information, cutting condition information, and information on the cutting tool state obtained as a result of performing machining simulations using the NC program, measuring the actual amount of wear of the tool during the cutting operations, estimating the amount of wear of the tool from the above information, and deciding whether or not to allow the use of a tool concerned.
Abstract:
A method of monitoring the condition of a tool (1) in a machining operation for producing a plurality of toothed workpieces. The process comprises measuring the temperature of at least a portion of the plurality of workpieces each at essentially a same predetermined amount of time after machining. The temperature of each measured workpiece (17) is compared to at least one workpiece reference temperature value indicative of a wear condition of the tool (1). If the measured temperature is less than or equal to the workpiece reference temperature value, machining of subsequent parts continues, or, if the measured temperature is greater than the workpiece reference temperature, the machining operation is stopped.