SU933378A1

SU933378A1 - Cutting mode optimizer

Info

Publication number: SU933378A1
Application number: SU803000308A
Authority: SU
Inventors: Алексей Дмитриевич Макаров; Владислав Анатольевич Новицкий; Валерий Леонидович Нурисламов
Original assignee: Уфимский авиационный институт им.Орджоникидзе
Priority date: 1980-11-04
Filing date: 1980-11-04
Publication date: 1982-06-07

Description

(5) ОПТИМИЗАТОР РЕЖИМОВ РЕЗАНИЯ(5) OPTIMIZER CUTTING MODES

II

Изобретение относитс к машиностроению и предназначено дл установлени оптимальных режимов режани при механической обработке металлов.The invention relates to mechanical engineering and is intended to establish optimal cutting conditions during the machining of metals.

Известны оптимизаторы режимов резани , состо щие из схемы управлени приводом станка испо/ ительного механиама , индикатора текущей скорости резани П.The optimized cutting mode optimizers are known, which consist of the drive control circuit of the machine / operator mechanic, the indicator of the current cutting speed P.

Недостатком таких оптимизаторов режимов резани вл етс низка точносгь уста ювлени оптимальных режимов обработки.The disadvantage of such cutting mode optimizers is the low accuracy of setting optimum machining modes.

Цель изобретени - повышение точности установлени оптимального режима обработки.The purpose of the invention is to improve the accuracy of establishing the optimal processing mode.

Поставленна цель достигаетс тем, что в устройство введены датчик вибраций инструмента, измеритель оптимальности режимов, преобразователь4 индикатор оптимальной скорости, датчик скорости, запоминающее устройство , примем датчик вибраций инструмента соединен через изме ритель с управл ющим входом запоминающего устройства и с одним входом схемы управлени приводом станка, информационный вход запоминающего устройства соединен с выходом преобразовател скорости резани и индикатором текущей скорости резани ; выход запоминающего устройства с индикатором оптимальной скорости резани ; выход датчика скорости резани соединен со входом The goal is achieved by introducing a tool vibration sensor, a mode optimality meter, a transducer4 optimal speed indicator, a speed sensor, a memory device, and we accept a tool vibration sensor connected through a meter to a control input of a memory device and one machine control circuit input. , the information input of the memory device is connected to the output of the cutting speed converter and an indicator of the current cutting speed; memory output with optimum cutting speed indicator; the output of the cutting speed sensor is connected to the input

to преобразовател .to converter.

На чертеже приведена блок-схема предлагаемого устройства.The drawing shows a block diagram of the proposed device.

Датчик вибрац 1й инструмента 1 соединей -со входом измерител оптимальIS ности режимов реаани 2, выход которого соединен с управл ющим входом запоминающего устройства 3, выход которого соединен с индикатором оптимальной скорости резани , Выход The sensor vibration of the 1st tool 1 of the connections is connected to the input of the meter for optimality of the Reaan 2 modes, the output of which is connected to the control input of the storage device 3, the output of which is connected to the indicator of the optimal cutting speed.

Claims

The cutting speed sensor 5 is connected XX) by the input of converter 6, the output of which is connected to the information input of the storage device 3 and to the indicator of the current cutting speed 7. The output of the cutting mode 2 optimality meter is connected to one input of the control circuit 8 whose output is connected to the drive of the machine 9 A trigger signal is applied to the other input of the control circuit 8. The device works as follows. A trigger signal is supplied to the control circuit of the 8 spindles of the machine controlled by the indicator 7. During the cutting process, the vibration sensor of the tool 1 provides the current information about the vibration value of the tool, which is fed to the output of the cutting conditions optimality bodies 2 Measuring the optimality of the cutting conditions 2 measures the vibration level of the tool , compares the measured value with the previous one and, at the minimum level of the vibration signal, gives an enable signal to the storage device 3 which stores the speed value cutting, corresponding to the minimum vibration of the tool, and the indicator k indicates the magnitude of the memorized value of the cutting speed, which is optimal for the machined and tool material. FIG. Figure 2 shows the dependence of the tool oscillation amplitude on the cutting speed, where the minima of the oscillation amplitudes correspond to the optimal processing conditions. At the same time, the signal from the optimality meter mode is fed to another input of the control circuit 8, which captures the optimal cutting speed. Thus, the cutting mode optimizer will find the optimal value of the cutting speed and will process it at its optimal value. Claims of the cutting mode optimizer, consisting of an actuator machine drive control circuit, an indicator of the current cutting speed, characterized in that, in order to improve the accuracy of establishing the optimal processing mode, a tool vibration sensor, a mode optimality meter, a cutting speed sensor, converter, indicator, optimal speed, memory, the vibration sensor of the instrument is connected through a meter to the control input of the memory device and with one input of the machine drive control circuit, the information input of the storage device is connected to the output of the cutting speed converter and the indicator of the current cutting speed, the output of the memory device is connected to the optimum cutting speed indicator, the output of the cutting speed sensor is connected to the converter input. Sources of information taken into account in the examination 1. Collected Works of the Institute for Electronic Physics of Automatic Regulation of Cutting Processes by Temperature, No. C, 1976.