KR101608371B1 - Management system and method for production line in manufacturing plant - Google Patents

Abstract

The present invention relates to a system for managing a production line of a manufacturing site, and particularly, to a system for managing a production line of a manufacturing site capable of automatically calculating and managing a work efficiency by worker, and production efficiency by production line and the current defective product occurrence status by being installed in the production line performing processing or assembly of products. The system includes: a capturing unit capturing a worker of a production line or a working process of a worker; a barcode reader unit reading a barcode of a product processed or assembled in the production line; a management server unit calculating and managing the work efficiency by worker, the production efficiency by production line and the current defective product occurrence status by using the image captured by the capturing unit and the barcode read by the barcode reader unit. Even if a manager does not supervise the workers and the production lines one by one, the manager can calculate and manage the production quantity and efficiency by the production line, a working time and efficiency by worker, and a producer and quality problem occurrence particulars of a defective product.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line management system,

More particularly, the present invention relates to a line management system and method for production line, and more particularly, to a production line management system and method for manufacturing line management system and method thereof, And more particularly, to a line management system and method for a production site that can calculate and manage a production line.

Generally, a production site is divided into a plurality of production lines in which a product is processed or assembled, and each product is processed through an individual process to be completed as a final product.

In such a conventional production site, it is necessary to grasp the degree of difficulty, efficiency and product production in each production line, and to supervise and supervise the workers who perform the respective processes, thereby relocating the process and personnel, Managers will be deployed to carry out measures such as establishment of countermeasures and improvement of productivity.

In addition, in the conventional production site, the manager manually writes or documents each production line and each worker manually to calculate and analyze the production efficiency and work efficiency of each worker by production line.

On the other hand, in the conventional production site, a large number of managers must be arranged to manage a large number of production lines, resulting in an increase in the number of management personnel, resulting in an increase in production costs.

In addition, since the conventional production site is managed by the manpower of the manager, mistakes such as carelessness, error, and negligence of the manager can occur, and the efficiency of the management deteriorates, and analysis of the improvement for improvement of productivity and establishment of the improvement measures There was a difficult problem.

In addition, since the conventional production site has difficulty in recognizing the producer causing the quality problem or generating the quality problem when the quality problem occurs in the produced product, the occurrence of the quality problem is repeated by the same worker or the process .

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a method and apparatus for automatically calculating and managing production quantity and production efficiency for each production line on a production site, The present invention is to provide a production line management system and method that can automatically calculate and manage efficiency, and can calculate and manage the incidence and quality problem occurrence of nonconforming products generated in respective production lines.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided an image forming apparatus including: a photographing unit that is provided to move on a moving rail installed on a production line of a product and photographs a work process of the worker or a work process of the worker; A barcode reader unit for reading the barcode of each product processed or assembled in the production line by the operator; And a management server unit for analyzing images taken by the photographing unit to calculate work efficiency for each worker and counting the number of barcodes read by the barcode reader unit to calculate a production efficiency for each production line Line management system.

In a preferred embodiment, the management server further calculates the occurrence status of nonconforming products generated from the products processed or assembled in the production line.

In a preferred embodiment, the management server unit calculates, as a unit work time, the time from the image photographed by the photographing unit to the time point at which the worker starts and ends the work process.

In a preferred embodiment, the management server unit calculates a line-of-balance (LOB) programmed rate based on the unit work time, assigns a rank of the unit work time to the worker, .

In a preferred embodiment, the management server compares the unit work time with a predetermined standard work time to calculate the work skill of the worker.

In a preferred embodiment, the management server unit counts the number of barcodes read by the barcode reader unit, and calculates a production quantity of products processed or assembled in the production line.

In a preferred embodiment of the present invention, the management server calculates UPH (unit per hour) by calculating a production quantity of products processed or assembled for one hour in the production line, and stores the UPH as a number And calculates UPMH (unit per hour).

In a preferred embodiment, the management server unit may include: an operator management unit that receives the image photographed by the photographing unit and calculates a unit work time, a LOB knitting rate, a neck worker, and a work proficiency for each worker; And line operation management means for receiving the information of the barcode read by the barcode reader unit and calculating the production quantity, UPH and UPMH of the products processed or assembled in the production line.

In a preferred embodiment, the management server unit further includes quality management means for calculating a defect rate for each operator and a defect rate for each production line based on the occurrence status of nonconforming products generated in the production line.

In a preferred embodiment, the apparatus further includes a photographing position adjusting unit for stopping the photographing unit moving in the moving rail at a predetermined photographing position.

In a preferred embodiment, the photographing section includes: an operator identification means for identifying an operator by scanning an operator identification barcode attached to the worker's work clothes; Photographing means for photographing a work process of the identified worker with an image; And communication means for transmitting the image photographed by the photographing means to the management server unit.

In a preferred embodiment, the photographing unit further includes driving means for providing a driving force for moving on the moving rail.

The present invention also provides a method of manufacturing a product, comprising the steps of: (1) photographing a work process of a worker or a worker performing a work or an assembly of the work in a product production line; (2) reading a product bar code of each product processed or assembled in the production line; And (3) calculating work efficiency of each worker by analyzing the images taken by the worker or the work process, counting the number of the read product bar codes to calculate production efficiency for each production line, And a step of calculating the occurrence status of the product.

In a preferred embodiment, the step (1) includes the steps of: (1-1) moving a camera and a barcode scanner to a predetermined photographing position on a moving rail installed in the production line; (1-2) In the photographing position, the barcode scanner scans an operator identification barcode attached to the operator's work clothes to identify each operator; And (1-3) photographing the work process of the identified operator by the camera.

In a preferred embodiment, the step (3) includes the steps of: (3-1) extracting a unit work time, a line of balance (LOB) knitting rate, a neck worker And calculating a work proficiency level; And (3-2) counting the number of product barcodes to calculate the production quantity, UPH (unit per hour) and UPMH (unit per hour) of products processed or assembled in the production line.

In a preferred embodiment, the step (3) further includes: (3-3) calculating a defect rate for each worker and a defect rate for each production line based on the occurrence status of the nonconforming product generated in the production line.

In a preferred embodiment, the step (3-1) calculates a time from the start of the work process to the end of the work process as the unit work time.

In a preferred embodiment, the step (3-1) calculates a LOB formation rate based on the unit work time, and assigns a rank of the unit work time to select a neck worker positioned at a subordinate position.

In a preferred embodiment, the step (3-1) compares the unit work time with a predetermined standard work time to calculate a work skill per worker.

In a preferred embodiment, the step (3-2) may include calculating a production quantity of a product processed or assembled for one hour in the production line to calculate the UPH, and comparing the UPH with the production number of the worker The UPMH is calculated.

According to the above-mentioned problem solving means, the present invention provides a bar code reader unit for reading a bar code of each product processed or assembled at the production line, a photographing unit for photographing a work process of the worker or the worker of the production line, And a barcode reader read by the barcode reader to calculate and manage the work efficiency of each worker and each production line and the occurrence status of nonconforming products, It is possible to automatically manage production quantity and production efficiency per production line, work time and work efficiency by each worker, generation of non-conforming products and occurrence of quality problems.

In addition, the present invention can effectively manage production lines and workers even if the number of management personnel disposed on the production site is reduced, thereby reducing production costs due to reduction in management personnel.

In addition, since the production line and the worker are automatically managed by the management server unit even if the manager does not document it manually, the present invention can improve the efficiency of management, and based on the data calculated by the management server unit, It is possible to facilitate the establishment of analysis and improvement measures for improvement of the system.

In addition, the present invention can easily identify a worker who has processed or assembled a nonconforming product and a production line when an incompatible product is generated, so that measures such as training of a worker and improvement of a production line can be performed early So that the occurrence of nonconforming products by the same worker or the same process can be prevented in advance.

1 is a diagram for explaining a line management system according to an embodiment of the present invention;
2 is a diagram for explaining a line management system installed in a production line;
3 is a diagram for explaining a line management method according to an embodiment of the present invention;

It should be understood that the specific details of the invention are set forth in the following description to provide a more thorough understanding of the present invention and that the present invention may be readily practiced without these specific details, It will be clear to those who have knowledge.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS. 1 to 3. FIG.

FIG. 1 is a view for explaining a line management system according to an embodiment of the present invention, and FIG. 2 is a diagram for explaining a line management system installed in a production line.

1 and 2, a line management system according to an embodiment of the present invention includes a photographing unit 110, a photographing position adjusting unit 120, a barcode reader unit 130, and a management server unit 140 .

The photographing unit 110 is for photographing a work process of the worker 11 or the worker 11 that performs processing or assembly of a product on a production line 10 on a production site, The operator 11 or the work process is moved while moving along the moving rail 20 providing the movement path and the photographed image is transmitted to the management server unit 140 to be described later, ), A photographing means 112, a communication means 113, and a driving means 114.

Here, the moving rail 20 is formed along a conveyor for conveying a product to be processed or assembled in the production line 10, and is preferably disposed at a predetermined distance from the upper portion of the conveyor. That is, the photographing unit 110 moves on the moving rail 20 formed along the conveyor and photographs the worker 11 or the work process.

In addition, the photographing unit 110 may be operated by the manager of the production line 10 to perform movement or photographing using a remote controller, or may be configured to automatically move or photograph according to a predetermined setting condition have.

The worker identification means 111 is for identifying a plurality of workers 11 performing a work process in the production line 10 and is configured to scan each worker identification barcode and identify each worker 11 And can be provided with a barcode scanner.

At this time, the worker identification barcode in which the information on each worker 11 is stored is previously attached to the worker's work clothes. In addition, the worker identification barcode may store job information given by the worker 11 from the company.

The photographing means 112 photographs the worker 11 identified by the worker identifying means 111 and photographs the work process of the identified worker 11 as an image, The unit work time and the work efficiency of each worker 11 can be calculated and analyzed in the work center 140. The photographing means 112 may be a camera, a cam, or a CCTV device.

In addition, the communication means 113 is for transmitting the image photographed by the photographing means 112 to the outside. In particular, the image photographed by the photographing means 112 is transmitted to the management server unit 140 .

For this purpose, the communication unit 113 and the management server unit 140, which will be described later, may be connected by wire, but it is preferable to use wireless communication capable of loading the photographed image on a wireless signal and transmitting the wireless signal. In addition, the communication unit 113 may be provided as a wireless access point or a wireless communication module capable of wirelessly transmitting a large amount of data.

The driving unit 114 may be a servomotor for moving the photographing unit 110 and providing a driving force to the photographing unit 110.

A wheel is connected to the driving unit 114 so that the wheel is rotated on the moving rail 20 by the driving force of the driving unit 114 to move the photographing unit 110 .

The operator identification unit 111, the photographing unit 112, the communication unit 113, and the driving unit 114, which are components of the photographing unit 110 according to an embodiment of the present invention, However, it is preferable that each of the components is integrally assembled or combined with each other.

The photographing position adjusting unit 120 is for allowing the photographing unit 110 to move to a preset photographing position. When the photographing unit 110 is moved on the moving rail 20 and is located at the photographing position The photographing unit 110 can be stopped and the photographing of the worker 11 or the work process can be performed.

The photographing position adjusting unit 120 may be provided with a plurality of position sensors installed on the movable rail 20. The position of each worker 11 on the movable rail 20 or the position The position sensor is installed.

That is, the photographing position adjusting unit 120 allows the photographing unit 110 to stop at the front of each worker 11. When the photographing position adjusting unit 120 stops the photographing unit 110 The photographing can be performed.

The bar code reader unit 130 is for allowing a user to identify and confirm a product processed or assembled by the operator 11 in a production line 10 and a production line 10 in which a specific process has been performed. A line 10 and an optical mark reading device for reading the bar code of the product, and in particular, a bar code reader.

The barcode reader unit 130 may include a line barcode capable of identifying the production line 10, a product barcode capable of identifying products processed or assembled in the production line 10, And transmits the read barcode information to the management server unit 140 to be described later so that the production line 10 on which the product is produced and the production quantity of the product can be checked Let's do it.

In particular, the bar code reader 130 reads the product bar code and transmits it to the management server unit 140 to be described later, so that the production quantity of products produced in the production line 10 can be confirmed.

The barcode reader unit 130 may be disposed at a position where the last process is performed in the production line 10 and may be configured to automatically read a product barcode of each product transferred from the conveyor of the production line 10 Or may be configured to be manually read by the operator 11.

The management server unit 140 calculates the work efficiency of each worker, the production efficiency of each production line and the occurrence status of nonconforming products based on the information collected by the photographing unit 110 and the barcode reader unit 130, And includes a worker management unit 141, a line operation management unit 142, and a quality management unit 143. [

In addition, the management server unit 140 may analyze the images photographed by the photographing unit 110 to calculate work efficiency for each worker, count the number of barcodes read by the barcode reader unit 130, So as to calculate production efficiency for each line.

The management server unit 140 is also provided to manage the status of occurrence of nonconforming products generated in the production line 10 and information on the worker 11 that processes or assembles the nonconforming products.

In addition, the operator management unit 141 receives the image photographed by the photographing unit 110 and calculates a unit work time, a line-of-balance (LOB) knitting rate, a neck worker, and a work proficiency for each worker.

Here, the unit work time refers to the time that the worker 11 completes after the work process is started, and the LOB knitting rate refers to the degree to which the time required for each process of the production line 10 is balanced , So that the efficiency of the process can be known. In addition, the neck worker moves the worker who is slow in the work process relatively to the other worker, and the work skill level means the degree to which the worker 11 is skilled in the work process.

The worker management means 141 may calculate the time from the start of the work process to the time when the worker 11 finishes the work from the image photographed by the photographing section 110 as a unit work time.

At this time, the worker management means 141 automatically analyzes the work process of the worker 11 by using an analysis tool for analyzing the image and calculates the unit work time, or the start time of the work process And the termination is input by the operator or the manager so that the unit work time is calculated.

For example, in the case of the stopwatch method, at the time when the photographing unit 110 is located in front of the operator 11, the manager or the operator 11 directly uses the remote controller to photograph the photographing unit 110 And the photographing of the photographing unit 110 is terminated when the work process of the operator 11 is completed and the operator management means 141 determines the time at which the photographing was performed by the photographing unit 110, It can be calculated as work time.

The worker management means 141 can calculate the LOB knitting rate by collecting the unit work time for a plurality of workers 11 arranged on the production line 10. [ At this time, the worker management means 141 can calculate the LOB knitting rate by dividing the value obtained by multiplying the work time of the neck process and the number of the worker by the average work time of each process.

Here, the neck process is a process in which the unit work time is the longest, and the average work time is a value obtained by calculating a percentage of the average of the unit work time.

In addition, the worker management means 141 compares the unit work times with respect to the plurality of workers 11, assigns ranks to each worker, and then selects a worker 11 located at a subordinate position as the neck worker .

In addition, the worker management means 141 may calculate the work proficiency by comparing the unit work time with a preset standard work time. At this time, the work proficiency level is calculated by dividing into S, A, B to D according to the standard work time.

The line operation management means 142 receives the information of the barcode read from the barcode reader 130 and determines the production quantity of a product processed or assembled in the production line 10, And a unit per man hour (UPMH).

At this time, the line operation management means 142 may be provided to receive commute / departure information for a plurality of workers 11 from the commute / attendance recorder to confirm the number of workers of the production line 10. By using this, the absentee rate for each worker and line can be calculated.

The line operation management unit 142 counts the number of barcodes read by the barcode reader unit 130 and calculates a production quantity of products processed or assembled in the production line 10.

In addition, the line operation management means 142 may calculate the UPH by calculating a production quantity of products processed or assembled for one hour in the production line 10.

In addition, the line operation management means may calculate the UPMH by calculating the number of workers input into the production line 10 by using the commute information transmitted from the commute recorder, and dividing the UPH by the number of the workers.

In addition, the quality control unit 143 is configured to calculate a defect rate for each operator and a defect rate for each production line, based on the occurrence status of nonconforming products generated in the production line 10.

At this time, the quality management unit 143 can identify the worker 11 that has processed or assembled the nonconforming product based on the moving slip barcode read by the barcode reader 130 when the unsuitable product is generated have.

The quality management means 143 can identify the worker 11 of the nonconforming product and check the production line 10 of the worker 11 to calculate the occurrence status of nonconforming products for each production line have.

When the worker 11 processed or assembled with the unsuitable product is calculated by the quality managing unit 143, the image captured by the photographing unit 110 is analyzed and then the training is performed to improve the working method have.

At this time, the date, the number of times, and the educational result of the education are input to the quality management unit 143, and the worker 11 and the defect rate of the nonconforming product can be calculated and managed.

The operator management unit 141, the line operation management unit 142 and the quality management unit 143, which are components of the management server unit 140 according to the embodiment of the present invention, May be implemented, but may be implemented in software that operates in conjunction with hardware.

The management server unit 140 is connected to the Internet network and accesses the external PC 30 through the Internet network and stores various information managed by the management server unit 140, The line management unit 142 and the quality management unit 143 including the images photographed by the photographing unit 110 so as to be able to inquire and confirm the respective information calculated by the operator management unit 141, have.

3 is a diagram for explaining a line management method according to an embodiment of the present invention.

Referring to FIG. 3, a line management method performed in the line management system according to an embodiment of the present invention will be described.

First, the photographing unit is moved to a predetermined photographing position on a moving rail installed on a production line (S100).

At this time, the moving rail is formed along a conveyor for conveying a product to be processed or assembled in the production line, and the photographing unit is provided with an operator identification means and photographing means, and the product is processed or assembled in the production line The worker can be identified and the work process of the worker or the worker can be photographed. Preferably, the operator identification means and the photographing means may be respectively provided with a barcode scanner and a camera.

In addition, the photographing unit may be configured to allow the manager of the production line to perform movement and photographing using a remote controller, or to automatically perform movement and photographing according to predetermined setting conditions. The photographing unit may include driving means including a servomotor and a wheel, and may be moved on the moving rail according to an operation of the manager or predetermined conditions.

In addition, the moving rail is provided with a photographing position adjusting unit provided in advance with a plurality of position sensors. When the photographing unit moves from the moving rail to the photographing position, the photographing unit stops.

Next, at the photographing position, the photographing unit scans an operator identification barcode attached to the worker's work clothes to identify each worker (S200).

At this time, the photographing unit performs a scan of the operator identification barcode at a position stopped by the photographing position adjustment unit, and the operator identification barcode is scanned by the operator identification means of the photographing unit, that is, the barcode scanner.

In addition, information on each worker, for example, job information given by the worker is stored in the worker identification barcode and is previously attached to a predetermined position of the worker's work clothes.

Next, the photographing unit photographs the work process of the identified worker (S300).

At this time, the photographing unit of the photographing unit, that is, the camera, operates to photograph the work process of the operator or the operator for a preset time. In addition, the photographing unit wirelessly transmits the photographed image through the photographing means to the management server unit.

Next, the product barcode of each product processed or assembled in the production line is input to the barcode reader unit (S400).

At this time, the barcode reader unit includes a product barcode capable of identifying a product processed or assembled in the production line, and includes a line barcode capable of identifying the production line and a moving document barcode Reading is performed. In addition, the information of each bar code inputted to the bar code reader unit is transmitted to the management server unit.

Herein, the line bar code may be input only once at the beginning or every day for confirmation of the production line, and the moving document bar code may be inputted only once at the first time for each part, or once for each day, Each of which is processed or assembled in the production line.

Further, when reading the product bar code, a first group or an operator of the production line performs an operation of attaching the product bar code to each product, and a last group or an operator of the production line is attached to each product And the barcode reader unit is used to input or read the product barcode.

Next, the management server analyzes the image of the operator or the work process taken by the photographing unit, and analyzes the image including the unit work time, the line of balance (LOB), the neck worker, And the work efficiency of each worker is calculated (S500).

At this time, the management server unit calculates, as the unit work time, the time from the image photographed by the photographing unit to the time when the worker starts the work process and ends the work.

In addition, the management server unit calculates the LOB formation rate based on the unit work time, and can compare the unit work time and allocate the rank of each worker, thereby selecting a network worker located at a subordinate position.

In this case, the LOB knitting rate can be calculated by dividing a value obtained by multiplying the operation time of the neck process, which is the longest unit operation time, by the number of the operation personnel, by the average operation time of each process, It can be applied as a calculated value of the percentage of the average of the time.

Also, the management server unit may calculate the work skill level for each worker by comparing the unit work time calculated for the worker with a preset standard work time. Here, the work proficiency is divided into predetermined grades.

Next, the management server unit counts the number of product barcodes read by the barcode reader unit to count the number of products, UPH (unit per hour) and UPMH (unit per hour) of products processed or assembled in the production line, (S600). The production efficiency of each production line is calculated.

At this time, the management server unit counts the number of the product bar codes, calculates the production quantity of products processed or assembled for one hour in the production line, and calculates the UPH.

In addition, after calculating the UPH, the management server unit may calculate the UPMH by dividing the UPH by the number of the workers input into the production line. Here, the number of the working personnel calculates the number of the worker who has received the commute / work information for each worker from the commute / work recorder, and counts the number of the worker to the worker.

Next, the management server unit calculates the occurrence status of the nonconforming product in the production line, the defect rate for each worker, and the defect rate for each production line (S700).

At this time, the management server unit identifies the worker who has processed or assembled the nonconforming product and the production line based on the moving slip barcode, which is read by the barcode reader unit.

In addition, it is possible to accumulate the number of incompatible products generated to calculate the incidence of the incompatible products, calculate the number of incompatible products generated by each of the workers and the production line, It is possible to calculate the star defect ratio.

Accordingly, when an operator who processes or assembles the nonconforming product is calculated by the management server unit, the manager of the production site analyzes the image photographed by the photographing unit, and performs training to easily perform the work method of the corresponding operator .

Also, the management server unit may input the date, the number of times, the training result, and the like for the training, and manage the occurrence history of the PPM and the nonconforming product for each worker.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

110:
111: operator identification means
112: photographing means
113: Communication means
114: driving means
120: photographing position adjusting section
130: Barcode reader unit
140: management server unit
141: Worker management means
142: Line operation management means
143: Quality management means

Claims (20)

A photographing unit provided to move on a moving rail formed along a conveyor for conveying a product to be processed or assembled in a production line, the photographing unit photographing a work process of the worker or the worker performing the processing or assembly of the product;
A photographing position adjusting unit provided on the moving rail and provided with a plurality of position sensors for stopping the photographing unit moving at the moving rail at a predetermined photographing position;
A barcode reader unit for reading the barcode of each product processed or assembled in the production line by the operator; And
And a management server unit for analyzing images taken by the photographing unit to calculate work efficiency for each worker and counting the number of barcodes read by the barcode reader unit to calculate a production efficiency for each production line,
Wherein,
An operator identification means for identifying each worker by scanning an operator identification barcode attached to the worker's work clothes;
Photographing means for photographing a work process of the identified worker with an image;
Communication means for transmitting the image photographed by the photographing means to the management server unit; And
And driving means for providing a driving force for moving the photographing unit on the moving rail.
The method according to claim 1,
Wherein the management server further calculates the occurrence status of nonconforming products generated in the products processed or assembled in the production line.
The method according to claim 1,
Wherein the management server unit calculates, as a unit work time, the time from the image photographed by the photographing unit to the time point at which the worker starts and ends the work process.
The method of claim 3,
Wherein the management server unit calculates a line-of-balance (LOB) formation rate based on the unit work time and assigns a rank of the unit work time to the worker, thereby selecting a neck worker positioned at a subordinate position. Production line management system.
5. The method of claim 4,
Wherein the management server compares the unit work time with a predetermined standard work time to calculate a work skill of the worker.
The method according to claim 1,
Wherein the management server unit counts the number of barcodes read by the barcode reader unit and calculates a production quantity of products processed or assembled in the production line.
The method according to claim 6,
The management server unit calculates a UPH (unit per hour) by calculating a production quantity of a product processed or assembled for one hour in the production line, divides the UPH by the number of the workers put into the production line, hour of the production line.
The method according to claim 1,
The management server unit,
A worker management unit that receives the images photographed by the photographing unit and calculates a unit work time, a LOB knitting rate, a neck worker, and a work proficiency for each worker; And
And line operation management means for receiving the information of the barcode read by the barcode reader unit and calculating the quantity of production, UPH and UPMH of the product processed or assembled in the production line. system.
9. The method of claim 8,
Wherein the management server unit further comprises quality control means for calculating a defect rate for each operator and a defect rate for each production line based on the occurrence status of the nonconforming product generated in the production line.
delete delete delete (1-1) A photographing unit including a camera and a barcode scanner moves on a moving rail installed along a production line for photographing a work process of the worker or the worker performing processing or assembly of the product, Stopping at a predetermined photographing position by the provided photographing position adjusting unit;
(1-2) In the photographing position, the barcode scanner scans an operator identification barcode attached to the operator's work clothes to identify each operator;
(1-3) the camera captures an image of the work process of the identified worker and transmits it to the management server unit;
(2) reading a product bar code of each product processed or assembled in the production line and transmitting the product bar code to the management server unit; And
(3) The management server unit calculates work efficiency for each worker by analyzing the image taken by the operator or the work process sent from the photographing unit, counts the number of product bar codes read from the barcode reader unit, Calculating production efficiency of each line, and calculating an occurrence status of nonconforming products generated in the production line.
delete 14. The method of claim 13,
The step (3)
(3-1) calculating a unit work time, a line of balance (LOB) knitting rate, a neck worker, and a work proficiency for each worker from the image taken by the worker or the work process; And
(3-2) The management server unit counts the number of the product barcodes and calculates the production quantity, UPH (unit per hour) and UPMH (unit per hour) of the product processed or assembled in the production line; Wherein the line management method comprises the steps of:
16. The method of claim 15,
The step (3)
(3-3) The management server further includes calculating a defect rate for each operator and a defect rate for each production line on the basis of the occurrence status of nonconforming products generated in the production line .
16. The method of claim 15,
Wherein in the step (3-1), the management server unit calculates the time from the start of the work process to the end of the work process as the unit work time.
18. The method of claim 17,
Wherein in the step (3-1), the management server unit calculates a LOB combination rate based on the unit work time, assigns a rank of the unit work time, and selects a neck worker positioned at a rear position Method of line management in the field.
18. The method of claim 17,
Wherein in the step (3-1), the management server compares the unit work time with a predetermined standard work time to calculate a work skill level for each worker.
16. The method of claim 15,
In the step (3-2), the management server calculates the UPH by calculating the production quantity of the product processed or assembled for one hour in the production line, and calculates the UPH as the number of the workers input into the production line And the UPMH is calculated by dividing the UPMH.

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