KR20150007748A - Apparatus for cutting object to be processed and method for cutting object to be processed - Google Patents

Apparatus for cutting object to be processed and method for cutting object to be processed Download PDF

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Publication number
KR20150007748A
KR20150007748A KR20130082165A KR20130082165A KR20150007748A KR 20150007748 A KR20150007748 A KR 20150007748A KR 20130082165 A KR20130082165 A KR 20130082165A KR 20130082165 A KR20130082165 A KR 20130082165A KR 20150007748 A KR20150007748 A KR 20150007748A
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South Korea
Prior art keywords
processed
cutting
measurement value
driving motor
current measurement
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KR20130082165A
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Korean (ko)
Inventor
임종대
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주식회사 포스코
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Priority to KR20130082165A priority Critical patent/KR20150007748A/en
Publication of KR20150007748A publication Critical patent/KR20150007748A/en

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Abstract

The present invention relates to an image forming apparatus including a transfer table, a drive motor, a cutter, and a controller, wherein the transfer table has a transfer roller for transferring a material to be processed, the drive motor is connected to the transfer roller, The cutter is provided with a cutting means for cutting the article in the width direction, the controller is connected to the drive motor, the controller measures the current of the drive motor, A device for cutting a material to be processed for comparing the current measurement value with a current measurement value of the drive motor to determine an uncut state of the material to be processed and controlling the operation of the drive motor, A device for cutting a material to be treated which quickly detects a state to prevent damage to the equipment is provided.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for cutting a material to be processed,

TECHNICAL FIELD The present invention relates to a cutting device and a cutting method, and more particularly, to a cutting device and a cutting method capable of quickly detecting an uncut state of a material to be processed in a process of cutting a material to be treated in various facilities .

The continuous casting facility is a facility to produce cast steel from molten steel supplied from the steelmaking process facility. The molten steel to be supplied is taken in a turn-on die, is supplied to a mold, is first cooled in the mold, is secondarily cooled while passing through a segment composed of a plurality of rolls, and is produced as a slab having a predetermined width and thickness do. The produced cast steel is cut to have a desired length by a torch cutting machine (TCM) installed at the rear end of the segment. The slab having been cut by the torch cutting device is transferred to the subsequent process through the feed roller of the roller table provided in the continuous casting equipment.

The torch cutting apparatus preheats a cutting torch provided in the torch cutting apparatus to a predetermined temperature, and then moves the cutting torch at a desired speed in the width direction of the cast steel to cut the cast steel. At this time, when the cutting of the main cutting edge is started by the operation schedule in a state where the preheating of the cutting torch is not sufficiently progressed, or when the cutting torch moving in the width direction of the main cooking cavity is moved faster than the target speed, A cutting area is generated.

On the other hand, when the cutting operation of the cutting tool of the torch cutting device is completed, the roller table drives the feed roller provided on the roller table to feed the cut piece. At this time, when the conveying roller is driven in a state where the main part is not cut, a twist phenomenon occurs in which the cast strip deviates from the main feed path on the roller table, so that the main part can not be smoothly conveyed. In addition, there is a problem in that the work load applied to the conveying roller by the twisting of the casting is increased. This causes damage to the roller table and disruption of the continuous casting process.

The present invention provides a device for cutting a material to be processed and a cutting method capable of quickly detecting an uncut state of a material to be processed in the cutting process of the material to be processed.

The present invention provides a device for cutting a material to be processed and a cutting method capable of effectively detecting the uncut state of the material to be processed and effectively preventing twisting of the object to be processed on the object to be transferred.

Provided is a device for cutting a material to be processed and a cutting method that can prevent twisting of the material to be processed and effectively prevent damage to the equipment and interruption of operation due to twisting of the material to be processed.

A cutting device for cutting a material to be processed according to an embodiment of the present invention is a cutting device for cutting a material to be processed, the cutting device being extended in a conveying direction of the material to be processed and arranged in a direction crossing the conveying direction, A conveying table having conveying rollers for conveying the sheets; A driving motor connected to the feeding roller to rotate the feeding roller; A cutter provided on the conveyance table so as to be movable forward and backward in the conveying direction of the article to be processed, and a cutting means for cutting the article to be processed in the width direction of the article to be processed; A control unit connected to the drive motor for measuring a current of the drive motor, comparing a predetermined current measurement value with a current measurement value of the drive motor, determining an uncut state of the object to be processed, Lt; / RTI > . ≪ / RTI >

The controller includes: a measuring unit connected to the driving motor and measuring a current of the driving motor; A storage unit connected to the measurement unit and storing a current measurement value of the drive motor input from the measurement unit; A determination unit connected to the storage unit and determining whether the object to be processed is in an uncut state by comparing the current measurement value input from the storage unit with a predetermined current measurement value; A control unit connected to the determination unit and configured to stop the driving motor when the uncut state information of the object to be processed is input from the determination unit and to drive the driving motor when cutting state information of the object is input; . ≪ / RTI >

A method for cutting a material to be processed according to an embodiment of the present invention is a method for cutting a material to be processed, comprising the steps of: preparing a material to be processed; Cutting the object to be processed; A step of driving a driving motor of a transfer roller for transferring the object to be processed; Measuring a current of the driving motor at a first point of time after driving the driving motor; Stopping the driving of the driving motor at a second time point after the first time point; Determining an uncut state of the article to be processed by comparing a predetermined current measurement value with a current measurement value of the drive motor; And performing a subsequent process according to the state of the object to be processed; . ≪ / RTI >

In the process of driving the driving motor, the driving motor connected to the conveying rollers contacting the cut target object among the to-be-processed objects may be driven.

In the process of measuring the current of the driving motor, the current of the driving motors connected to the conveying rollers in contact with the cut target object among the to-be-processed objects can be measured.

Wherein the first point of time is a time point at which the current supplied to the driving motor after the driving motor starts to be held constant and the current supplied to the driving motor after the first point of time is maintained constant And may be at any one of the following points.

Dividing the weight of the object to be processed in the step of determining the state of not cutting; Determining a state of the unprocessed object by comparing the predetermined current measurement value with the current measurement value of the drive motor according to the weight of the object to be processed; . ≪ / RTI >

In the process of dividing the weight, the weight of the object to be processed may be divided into a plurality of sections, and predetermined current measurement values may be selected according to each section.

Wherein when the current measurement value of the drive motor is equal to or greater than the predetermined current measurement value, the target object is determined to be in an uncut state, and when the target current is less than the predetermined current measurement value, State.

Wherein in the step of performing the subsequent process, a step of manually cutting the object to be processed is performed when the object to be processed is in an uncut state, and the drive motor is driven in a cut state to move the object to be processed .

The material to be processed may include a cast material that is withdrawn in a continuous casting process.

According to the embodiment of the present invention, a controller capable of detecting the uncut state of the object to be processed can be formed, and the uncut state of the object can be quickly detected using the controller.

From this, it is possible to prevent damage to the equipment caused by the uncut material to be cut in the process of cutting the material to be processed, and the operation can be performed stably.

For example, when applied to a continuous casting facility, the controller is connected to a drive motor that drives the feed roller to measure the current of the drive motor, The status can be quickly identified. Therefore, the subsequent process can be selected and proceeded based on the uncut state information of the object to be processed. Specifically, when the object to be processed is not cut, the object to be cut is manually cut, and in the cut state, the object to be processed can be transferred to the succeeding equipment.

It is possible to effectively prevent the twist phenomenon of the object to be treated, which is generated by the transferring of the uncut object to be processed by the transfer roller, and to prevent damage and operation interruption of the equipment which may occur due to collision of the twisted object with the equipment . Therefore, the operation can be stably performed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a device for cutting a material to be processed according to an embodiment of the present invention; FIG.
FIG. 2 and FIG. 3 are flowcharts showing a method of cutting a material to be processed according to an embodiment of the present invention. FIG.
FIG. 4 is a graph showing a time-dependent graph of a current measured by the controller according to the embodiment of the present invention; FIG.
5 is a table showing the relationship between the weight of the object to be processed and the predetermined current measurement value according to the embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described below, but may be embodied in various forms. It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. Like reference numerals refer to like elements throughout.

2 and 3 are flowcharts illustrating a method of cutting a material to be processed according to an embodiment of the present invention, and FIG. 4 is a flowchart illustrating a method of cutting a material to be processed according to an embodiment of the present invention. FIG. 3 is a graph showing the drive motor current measured by the controller according to the embodiment of the present invention with respect to time; FIG. 5 is a relation table between the weight of the object to be processed and the predetermined current measurement value according to the embodiment of the present invention.

Referring to Fig. 1, an apparatus for cutting a material to be processed according to an embodiment of the present invention will be described.

As shown in Fig. 1, the object to be cut is a cutting device for cutting a to-be-processed object 1 to be fed in one direction. The to-be-processed object cutting device is extended in the conveying direction of the to-be- A conveying table 100 provided with a conveying roller 120 arranged to convey the article 1 to be conveyed, a driving motor connected to the conveying roller 120 to rotate the conveying roller 120, (320) provided on the transfer table (100) so as to be able to move forward and backward in the conveying direction of the object to be processed (1) and cutting the object to be processed (1) in the width direction of the object to be processed The control unit 300 is connected to the driving motor 200 and measures the current of the driving motor 200 and compares the measured current value of the driving motor 200 with the predetermined current measurement value. And a controller 400 for controlling the operation of the driving motor 200 by determining the cutting state.

Here, the article 1 to be processed may be a slab, a slab, a bloom, or a billet, which is drawn out from a mold and fed by a roller in a continuous casting facility of a steelworks. However, the present invention is not limited to this, and the object 1 to be processed may include a thin plate and a thick plate, and may be various objects to be extended in the longitudinal direction. In addition, the cutting means 320 may be a torch capable of forming a flame using a process gas such as oxygen gas.

The transfer table 100 includes a rail 110 which is spaced outward from the edge in the width direction of the article to be processed 1 and extends along the conveying direction of the article to be processed 1 and is disposed below the article to be processed 1, And a conveying roller 120 installed on the rail 110 to convey the processed object 1. [ A plurality of conveying rollers 120 are provided and spaced apart from each other in a direction crossing the conveying direction of the article 1 to be processed. The conveying roller 120 can be rotated by receiving a driving force from a driving motor 200 to be described below, and can convey the object 1 to be held in contact with the upper surface of the conveying roller 120. The transfer table 100 is satisfactory in that the object 1 and the cutter 300 to be described later are supported and can travel stably. Therefore, the constituent elements and the form of the transfer table 100 are particularly limited It does not.

The driving motor 200 is installed at one side of the rail 110 and connected to the conveying roller 120 to rotate the conveying roller 120. At this time, the plurality of driving motors 200 may be connected to the conveying rollers 120, respectively.

The cutter 300 is installed on the rail 110 of the conveyance table 100 and runs to cut the article to be processed while moving back and forth in the conveying direction of the article to be treated 1. [ The cutter 300 includes a cutter base 310 mounted on the rail 110 so as to be spaced apart from the upper surface of the workpiece 1 and movable in one direction, And a cutting means 320 mounted on the cutter base 310 to cut the article 1 so as to be movable in the width direction of the cutter base 310. [ The cutter base 310 extends in the width direction of the article to be processed 1 and has a plurality of wheels mounted on the rail 110 at a lower portion thereof so that the cutter base 310 can run on the rail 110. The cutter 300 may further include a cutter control unit (not shown) for controlling the forward and backward movement of the cutter base 310 and the operation of the cutting unit 320. The moving speed and direction of the cutter base 310 can be controlled so that the desired cutting position of the object 1 on the transfer table 100 is sensed and the cutting means 320 is positioned above the cutting position have.

On the other hand, the article 1 is conveyed to a desired position on the conveying table 100 by the rotation of the conveying roller 120. Thereafter, the rotation of the feed roller 120 is stopped, and the material 1 to be processed is cut by the cutter 300. When cutting of the object 1 is completed, the transfer rollers 120 contacting the cut object to be processed among the transfer rollers 120 are rotated to transfer the object 1 to be cut to a desired position . At this time, the remaining transport rollers 120 remain stationary according to the operation schedule.

The controller 400 includes a measuring unit 410 connected to the driving motor 200 to measure a current of the driving motor 200, a driving motor 200 connected to the measuring unit 410, The storage unit 420 is connected to the storage unit 420 and stores the current measurement value of the object 1 in the storage unit 420. The storage unit 420 stores the current measurement value of the object 1, The determination unit 430 determines whether the object to be processed 1 is in the uncut state or not and the determination unit 430 determines whether the object to be processed 1 is uncut, And a control unit 440 for driving the driving motor 200 when the cutting state information of the object 1 is input.

The measuring unit 410 is connected to the driving motors 200 to measure the currents of the driving motors 200 and the driving time of the driving motors 200. Specifically, the measuring unit 410 measures the driving time of the driving motor 200 while driving of the driving motor 200 is performed after the cutting of the object 1 is completed. When the measured driving time passes the first time point described later, the current of the driving motor 200 is measured and transmitted to the storage unit 420. When the measured drive time elapses from a second time point described later, the control unit 440 generates a second time point progress signal and transmits the signal to the control unit 440, and the control unit 440 stops the drive motor 200. At this time, the measuring unit 410 measures the current and driving time of the driving motors 200 connected to the conveying rollers 120 in contact with the cut material 1.

Here, the first time may be a time point at which the current supplied to the driving motor 200 starts to be maintained constant after the driving motor 200 is driven. The second point of time may be a point in time that is close to the first point of time among the points where the current supplied to the driving motor 200 after the first point of time remains constant. In this embodiment, 1.7 seconds elapsed after the drive motor 200 is driven to the first time is illustrated, and 2.0 seconds elapsed after the drive motor 200 is driven to the second time. The meaning of the first and second viewpoints will be described in detail below while explaining the method of cutting the object to be processed according to the present embodiment.

The storage unit 420 is connected to the measurement unit 410 and receives the current measurement value of the drive motor 200 from the measurement unit 410 and transmits the current measurement value to the determination unit 430. The storage unit 420 may store predetermined current measurement values according to the weight range of the object 1 to be processed. The preset current measurement values selected corresponding to the weight of the object 1 to be cut therewith To the determination unit 430. The determination unit 430 determines whether the value

The determination unit 430 compares the current measurement value of the driving motor 200 and the predetermined current measurement value input from the storage unit 420 and determines the uncut state of the workpiece 1. [ Specifically, when the measured current value of the drive motor 200 is equal to or greater than a predetermined current measurement value, the article to be treated 1 is determined to be in an uncut state. Here, the meaning of the predetermined current measurement value is as follows. After the cutting of the object 1 to be processed is completed and the object 1 is determined to be in a cut state by sensing means (not shown) provided separately to the operator or equipment, the driving motor 200 is driven The current value measured by the drive motor 200 is referred to as a predetermined current measurement value. At this time, the predetermined current measurement value may have different current measurement values depending on the weight of the object 1 as described above.

If the current measured value of the drive motor 200 is equal to or greater than the predetermined current measurement value, the reason why the object 1 is judged to be uncut is as follows. If the to-be-processed article 1 is not cut at the intended cutting area, the load of the entirety of the to-be-processed object 1 including the to-be-processed object 1 in the intended cutting area at the time of driving the feed roller 120, The load on the drive motor 200 that drives the feed roller 120 is increased. The current measurement value of the drive motor 200 is increased by an increase in the load of the drive motor 200. [

The control unit 440 is connected to the determination unit 430 and the driving motor 200 and receives information on the uncut state of the object to be processed from the determination unit 430 and performs a subsequent process accordingly. Specifically, when the object 1 to be processed is in an uncut state, an alarm is generated, and the operator is notified of the occurrence of the alarm, and subsequently the object to be processed 1 is manually cut. The manual cutting process may be performed by a manual cutting device (not shown) separately provided to the operator or the equipment. When the object to be processed 1 is in the cut state, the control unit 440 drives the drive motor 200 to transfer the object 1 to the succeeding facility.

Hereinafter, a method for cutting a material to be processed according to an embodiment of the present invention will be described with reference to Figs. 1 to 5. Fig.

As shown in FIGS. 2 and 3, the method for cutting a material according to an embodiment of the present invention includes a step S100 of preparing an object 1, a step of cutting the object 1 A step S300 of driving the driving motor 200 of the conveying roller 120 for conveying the article 1 and a step S300 of driving the driving motor 200 at a first point of time after the driving of the driving motor 200, A step S520 of stopping the driving of the driving motor 200 at a second time point after the first time point S520 and a step S520 of measuring the current value of the driving motor 200 (S650, S660) of judging the uncut state of the object 1 in preparation for the next process (S710, S720), and performing a subsequent process according to the state of the object 1 (S710, S720).

Hereinafter, a method of cutting the object to be processed will be described in detail.

The object to be processed 1 is prepared on the transfer table 100 of the object to be processed (S100). The object to be processed is driven by the drive motor 200 provided on the transfer table 100 so as to rotate the transfer roller 120 connected to the drive motor 200 so that the cut region of the object is positioned at a desired position . The article 1 to be contacted and held in contact with the conveying roller 120 is conveyed along the conveying path of the conveyed object formed on the conveying table 100 by the rotation of the conveying roller 120, . Thereafter, the driving of the driving motor 200 is stopped. The cutter 300 provided on the transfer table 100 advances and retreats in the conveying direction of the article to be processed 1 and the cutting means 320 of the cutter 300 is moved to a desired cutting position Lt; / RTI >

Thereafter, the prepared object 1 prepared on the transfer table 100 is cut (S200). The cutting means 320 of the cutting device 300 is preheated to a predetermined temperature and then the cutting means 320 of the cutting means 320 is moved in the width direction of the material to be processed 1, ). At this time, the cutting means 320 generates a flame below the cutting means 320 by using a cutting gas such as oxygen gas, and cuts the object 1 by using the generated flame. When the cutting means 320 moves in the width direction of the article 1 to complete the cutting of the article 1, the operation of the apparatus for cutting a material to be processed is completed.

On the other hand, in the cutting operation of the object 1 to be processed, when the object to be processed 1 is cut by the operation schedule after the preheating of the cutting means 320 is completed within the temperature range below the target preheating temperature have. Further, the cutting means 320 may move in the width direction of the article 1 at a speed higher than the target speed, and may cut the article 1 to be processed. In the above-described case, the article to be processed can be cut at a predetermined region of the desired cut surface.

After cutting the object 1 to be processed, the driving motor 200 of the conveying roller 120 for conveying the object 1 is driven (S300). At this time, the driving motor 200 connected to the conveying rollers 120 in contact with the to-be-processed object 1 cut by the to-be-processed material cutting device of the object to be processed 1 is driven. That is, the feed rollers 120 that contact the cut target object 1 among the feed rollers 120 that feed the object 1 are rotated by the drive motor 200 connected thereto, The driving motors 200 connected to the driving motors 120 are kept stationary. The cut target 1 is transported for a predetermined time toward the target transport direction.

A current of the driving motor 200 is measured using the measuring unit 410 at a first point in time which will be described later after the driving motor 200 is driven at step S430. The driving of the driving motor 200 is stopped (S520).

In detail, during the driving of the driving motor 200, the driving time of the driving motor 200 is measured using the measuring unit 410 (S410). When the measured driving time passes the first time point (S420), the current of the driving motor 200 is measured using the measuring unit 410 (S430) and stored in the storage unit 420. [ At this time, the currents of the driving motors 200 connected to the conveying rollers 120 in contact with the cut target object 1 of the object 1 are measured. When the measured drive time has passed the second time point (S510), the control unit 440 is used to stop the drive motor 200 (S520). Thus, the conveyance of the cut target object 1 is stopped.

Here, the first time may be a time point at which the current supplied to the driving motor 200 starts to be maintained constant after the driving motor 200 is driven. The second point of time may be a point in time that is close to the first point of time among the points where the current supplied to the driving motor 200 after the first point of time remains constant.

Hereinafter, the first and second time points will be described with reference to FIG. As shown in FIG. 4, the current supplied to the driving motor 200 has a starting current section in which the current value increases and decreases over time, and a steady current section in which the current value is kept constant over the starting current section . The current measurement value according to this embodiment can be measured more precisely than the value measured in the unstable start-up current period when the current supplied to the drive motor 200 is measured in the steady-state current period in which the current is stabilized , And the desired current measurement value can be obtained. Therefore, in the method of cutting the object to be processed according to the present embodiment, at the first point in time after the start of the normal current period in which the starting current is released and the predetermined time has elapsed after the drive motor 200 is driven, ) Is measured. Thereafter, the driving motor 200 is stopped at a second point of time after a predetermined time has passed since the first point in time. The first and second time points may vary depending on operating conditions of the process equipment to which the method for cutting a material to be processed according to the present embodiment is applied. In this embodiment, 1.7 seconds elapse after driving the driving motor 200 at the first time is illustrated, and 2.0 seconds elapsed after the driving motor 200 is driven at the second time.

After the drive motor 200 is stopped, the determination unit 430 compares the current measurement value of the drive motor 200 with the predetermined current measurement value received from the storage unit 420, (S650, S660). Specifically, first, the weight of the object 1 to be processed is discriminated (S610), and the measured current value of the driving motor is compared with the measured current value of the driving motor according to the weight of the separated object 1 (S620 , S630, and S640), and determines the uncut state of the object 1 (S650, S660).

In the present embodiment, in the process of dividing the weight of the object 1, the weight of the object 1 may be divided into a plurality of sections, and predetermined current measurement values may be selected according to each section. Thus, the current measurement value of the driving motor 200 can be compared with the predetermined current measurement value selected corresponding to the weight of the object to be cut. Here, the meaning of the predetermined current measurement value is as follows. The current value measured by the driving motor 200 at the time of feeding by driving of the driving motor 200 is set to a predetermined current measurement value Quot;

In addition, in the present embodiment, the weight of the article 1 to be treated can be divided into three sections, as shown in FIGS. 3 and 5, of less than 19 tons, 19 to 21 tons, and more than 21 tons. If it is less than 19ton for each section, 7.5A is selected as the predetermined current measurement value. If 19ton to 21ton, 8.0A is selected as the predetermined current measurement value, and if it exceeds 21ton, 8.5 A is selected. However, the present invention is not limited to this, but it is possible to subdivide it into a plurality of sections according to the operating environment, and also to divide predetermined measured current values selected in each section. The predetermined current measurement values according to the weight of the object 1 are stored in the storage unit 420 by the operator and then transmitted to the determination unit 430 to be used for determining the state of the object 1 to be uncut .

The process of determining the uncut state of the object 1 to be processed by comparing the measured current value of the drive motor 200 with the predetermined current value after dividing the weight of the object 1 is as follows. When the measured current value of the drive motor 200 is equal to or greater than a predetermined current measurement value, the article to be processed 1 is determined to be in an uncut state.

More specifically, after the weight of the object 1 to be processed is divided (S610), when the weight of the object 1 to be separated is less than 19 tons, the current measurement value of the drive motor 200 is set to a predetermined current measurement value (S620). ≪ / RTI > If the measured current value of the drive motor 200 is equal to or greater than 7.5 A, the article to be processed 1 is determined to be in an uncut state (S650). If the measured value is less than 7.5 A, the article to be processed 1 is determined to be in a cut state (S660). If the weight of the separated target object 1 is 19 to 21 tons, the current measurement value of the drive motor 200 is compared with 8.0 A selected as the preset current measurement value (S630). If the measured current value of the drive motor 200 is equal to or greater than 7.5 A, the article to be processed 1 is determined to be in an uncut state (S650). If the measured value is less than 7.5 A, the article to be processed 1 is determined to be in a cut state (S660). If the weight of the object to be processed 1 is greater than 21 ton, the current measurement value of the driving motor 200 is compared with 8.5A selected as the predetermined current measurement value at operation S640. If the measured current value of the drive motor 200 is 8.5 A or more, the object 1 is judged to be in an uncut state (S650). If the measured value is less than 8.5 A, the object 1 is judged to be cut (S660).

The controller 440 receives the state information of the object 1 to be processed from the determiner 430 and determines whether or not the object to be processed 1 is in a subsequent process (S710, S720). Specifically, when the to-be-processed object 1 is in an uncut state, the object to be processed 1 is manually cut (S710), and when the object 1 is in the cut state, To the next facility (S720). At this time, in the manual cutting process of the object 1 to be processed, an alarm is generated by judging the state of the object 1 to be uncut, a visual confirmation of the workpiece to the uncut object, More processes can be included.

As described above, the object to be processed and the object to be cut according to the present embodiment are supplied to the driving motor 200 of the conveying roller 120 for conveying the object 1 in the process of cutting the object to be processed Is easily measured using the controller (400). Thereafter, the determination unit of the controller 400 can compare the measured current value of the driving motor 200 with the predetermined current measurement value to quickly detect the uncut state of the workpiece 1. [ Thus, the object to be processed and the object to be cut according to the present embodiment can selectively perform the subsequent process depending on whether the object 1 is cut or not cut. Therefore, the object to be cut and the method of cutting the object to be applied thereto can effectively prevent the object 1 from being twisted due to the uncut object 1 being transferred on the transfer table 100 . In addition, it is possible to prevent the twisting phenomenon of the object 1 to effectively prevent collision between the object 1 and the object due to the twist of the object 1, and to prevent the failure of the apparatus. That is, the apparatus for cutting a material to be treated and the method for cutting a material to be applied thereto according to the present embodiment can prevent the failure of the equipment and improve the productivity of the operation.

Although the above embodiment of the present invention exemplifies the case of the continuous casting equipment and the operation, it can be applied to the cutting operation of various other objects to be processed. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

100: transfer table 200: drive motor
300: cutter 400: controller

Claims (11)

A device for cutting a material to be processed,
A transfer table extending in the transfer direction of the object to be processed and having a transfer roller arranged in a direction crossing the transfer direction and transferring the object to be processed;
A driving motor connected to the feeding roller to rotate the feeding roller;
A cutter provided on the conveyance table so as to be movable forward and backward in the conveying direction of the article to be processed, and a cutting means for cutting the article to be processed in the width direction of the article to be processed;
A control unit connected to the drive motor for measuring a current of the drive motor, comparing a predetermined current measurement value with a current measurement value of the drive motor, determining an uncut state of the object to be processed, Lt; / RTI >
And a cutting device for cutting the material to be processed.
The method according to claim 1,
The controller comprising:
A measuring unit connected to the driving motor and measuring a current of the driving motor;
A storage unit connected to the measurement unit and storing a current measurement value of the drive motor input from the measurement unit;
A determination unit connected to the storage unit and determining whether the object to be processed is in an uncut state by comparing the current measurement value input from the storage unit with a predetermined current measurement value;
A control unit connected to the determination unit and configured to stop the driving motor when the uncut state information of the to-be-processed object is input from the determination unit and to drive the driving motor when cutting state information of the to-be-processed object is input;
And a cutting device for cutting the material to be processed.
Preparing a material to be treated;
Cutting the object to be processed;
A step of driving a driving motor of a transfer roller for transferring the object to be processed;
Measuring a current of the driving motor at a first point of time after driving the driving motor;
Stopping the driving of the driving motor at a second time point after the first time point;
Determining an uncut state of the article to be processed by comparing a predetermined current measurement value with a current measurement value of the drive motor; And
Performing a subsequent process according to the state of the object to be processed;
And cutting the object to be processed.
The method of claim 3,
In the process of driving the drive motor,
And drives the driving motor connected to the conveying rollers in contact with the cut target object of the object to be processed.
The method of claim 3,
In the process of measuring the current of the driving motor,
And measures the current of the driving motors connected to the conveying rollers in contact with the cut target object of the object to be processed.
The method of claim 3,
Wherein the first point of time is a point in time at which the current supplied to the driving motor after the driving motor starts to be kept constant,
Wherein the second time point is any one of the time points at which the current supplied to the drive motor after the first time point is kept constant.
The method of claim 3,
In the process of determining the uncut state,
Dividing the weight of the object to be processed;
Determining a state of the unprocessed object by comparing the predetermined current measurement value with the current measurement value of the drive motor according to the weight of the object to be processed;
And cutting the object to be processed.
The method of claim 7,
In the weight discrimination process,
Wherein the weight of the object to be processed is divided into a plurality of sections and a predetermined current measurement value is selected according to each section.
The method of claim 3,
In the process of determining the untrimmed state of the object to be processed,
Wherein the target object is determined to be in an uncut state when the current measurement value of the drive motor is greater than or equal to the predetermined current measurement value, and the target object is determined to be in a cut state when the current measurement value is less than the predetermined current measurement value.
The method of claim 9,
In the course of performing the subsequent process,
Wherein the object to be processed is manually cut when the object to be processed is in an uncut state and the object to be processed is transferred to a subsequent facility by driving the drive motor in a cut state.
The method according to any one of claims 3 to 10,
Wherein the object to be processed includes a casting material drawn in a continuous casting process.
KR20130082165A 2013-07-12 2013-07-12 Apparatus for cutting object to be processed and method for cutting object to be processed KR20150007748A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108067702A (en) * 2017-12-13 2018-05-25 代纪东 A kind of continuous casting steel billet Synergistic and energy-saving cutting method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108067702A (en) * 2017-12-13 2018-05-25 代纪东 A kind of continuous casting steel billet Synergistic and energy-saving cutting method

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