497results about How to "Improve marking efficiency" patented technology

The invention discloses a digital identification method, a digital identification device, a neural network training method and a neural network training device. The digital identification method comprises the steps of acquiring a digital image sample to be identified, and identifying a digital category corresponding to the digital image sample to be identified through a neural network after training. The neural network after training is trained by the steps as follows: acquiring digital detection samples; detecting a preset neural network by using the digital detection samples, wherein the preset neural network is a neural network trained by digital training samples; judging whether the accuracy rate of the detection results reaches a preset threshold; and when judging that the accuracy rate of the detection results does not reach the preset threshold, adjusting the number of nodes output by the preset neural network, and using an error sample in the digital detection samples to retrain the preset neural network to obtain the neural network after training. The technical problem in the prior art that the precision of digital identification is low is solved.

The invention discloses a marking method of material strips and a compact type full-automatic IC (integrated circuit) material strip laser marking machine. The marking machine comprises a mounting table panel, double runner material boat and material strip conveying devices, a material strip lifting device, a material strip descending device, a rejected product box, a material grabbing and discharging device, a direction detection device, a laser marking mechanism and an electrical control system, wherein the double runner material boat and material strip conveying devices are arranged on the mounting table panel; the material strip lifting device and the material strip descending device are respectively arranged at both sides of the double runner material boat and material strip conveying devices; the rejected product box arranged outside the material strip descending device; the material grabbing and discharging device is spanned right above the double runner material boat and material strip conveying devices, the material strip lifting device, the material strip descending device and the rejected product box; the direction detection device is arranged above the double runner material boat and material strip conveying devices; the laser marking mechanism is arranged above the tail end of the double runner material boat and material strip conveying devices, and a laser marking head of the laser marking mechanism can swing left and right to the right upper side of the first runner material boat and material strip conveying device or the second runner material boat and material strip conveying device to mark; and the electrical control system controls the units to coordinate and act. The compact type full-automatic IC material strip laser marking machine has the characteristics of compact structure and high working efficiency.

The invention discloses a laser marking device capable of feeding and discharging materials automatically and belongs to the field of laser marking. The laser marking device capable of feeding and discharging the materials automatically comprises a vibrating disk, a machine base, a laser etching mechanism and a central processing unit which controls the laser marking device capable of feeding and discharging the materials automatically to operate. The vibrating disk is provided with a conveying track. The machine base is provided with a material taking mechanism, a discharging mechanism and a rotating disk which can rotate around the center. The material taking mechanism is arranged at the discharging position of the conveying track. The rotating disk is arranged at the discharging position of the material taking mechanism. The rotating disk is provided with multiple carrying frames. The laser etching mechanism is arranged above the marking position of the rotating disk. The discharging mechanism is arranged at the discharging position of the rotating disk. According to the laser marking device capable of feeding and discharging the materials automatically, the vibrating disk is used for solving the problem that an existing laser marking device cannot adjust marked products to be conveyed in a correct state; as a result, full-automatic marking through the laser marking device is realized, marking efficiency is greatly improved, and labor cost is reduced.

The invention discloses an electronic paper inspection method. The method comprises the following steps of: S1, scanning answered questions into a picture; S2, carrying out title division on the answered question picture; S3, carrying out same-screen display on same answer areas of a plurality of students so that a teacher can read over the answer areas; and S4, printing the answered paper with reading marks. According to the method, marked reading is realized, answer sheets do not need to be manufactured, and recognition points do not need to be set during the reading, so that the implementation difficulty is greatly reduced and the printing cost is saved; and moreover, same-screen display is carried out on the same answer areas of a plurality of students so that a teacher can read over the answer areas, thereby greatly improving the reading efficiency. Mass data statistics indicates that compared with read-over method in the prior art, the electronic paper inspection method has the effect of shortening the paper inspection time by two thirds.

The invention discloses an interactive exam estimation system and a method, solving the problem of collision, interference and data loss generated during one receiving and multiple sending of the traditional wireless interactive feedback system adopting frequency hopping or time sharing technology. The invention adopts a unique double-window mode, the interactive teaching tool is automatically embedded into PowerPoint, teachers do not need to modify content of the daily prepared lessons to realize interactive teaching, thus solving the limitation caused by the fact that teachers can only use the feedback system which takes the PowerPoint special template as the main body; one-to-multiple real-time full bidirectional communication is realized between teachers and students and standardized test paper sending exams can be performed.

The invention discloses a zebra crossing scribing device for municipal roads. The device comprises a bottom plate and a transverse plate, wherein a first hanging bracket and a second hanging bracket are respectively arranged at the two sides of the lower end face of the transverse plate; the lower end of the first hanging bracket is provided with a screw rod shaft, and the two ends of the screw rod shaft are rotatablely connected with the first hanging bracket; the screw rod shaft is provided with a sliding sleeve in screw-thread fit connection with the screw rod shaft; a cleaning brush is arranged at the lower end of the sliding sleeve; the transverse plate is provided with a transmission shaft and a drive shaft which are arranged in parallel; two rotary racks are respectively hinged to the two sides of the lower end of the second hanging bracket; the two rotary racks are connected with each other by means of a regulating spring, and the rotary rack positioned at the left side is provided with a hollow coating roller; one end of a support guide pipe is separately communicated with the left end and the right end of a cylinder body, arranged on the transverse plate, by means of twodischarge hose pipes; one-way valves are respectively arranged on the two discharge hose pipes and two feed hose pipes. The zebra crossing scribing device has the advantages of simple structure, continuous and uniform road surface scribing, higher scribing efficiency, unified driving, convenient control, simple and convenient operation and higher practicality.

The invention discloses a drive type hot-melt spraying marking machine, which comprises a rack, and the rack is provided with a power-driven system, a heating system, a marking system, a travel system, a hydraulic control system, a pneumatic control system and a steering system, wherein the power-driven system is in drive connection with the travel system, the hydraulic control system and the pneumatic control system respectively; the hydraulic control system is in drive connection with the steering system; and the marking system is in drive connection with the hydraulic control system and the pneumatic control system respectively. In the invention, a hot-melt spraying coating is heated to be a molten condition through an infrared heating system and a heat-conduction-oil heat preservationcyclic system, and then is sprayed to specified positions through a hot-melt gun, and the like. The drive type hot-melt spraying marking machine has the advantages of high marking efficiency, no needof removing existing lines for redintegration, adjustable width and thickness of marking lines, high heating efficiency, sufficiency for combustion and flexible control of flames.

The embodiment of the application provides a laser marking method. The method comprises following steps: a control mainboard receives coordinates and grey values of target image pixel points; the control mainboard calculates the output power of the target image pixel points according to the grey values; and the control mainbaord controls a laser to output laser light aiming at the target image pixel points with corresponding output power according to the displacement of a vibration mirror. According to the application, an independent pixel point can embody the change of the grey value by the adjustment of the output power of the target image pixel points (marking points), so that the grey value of the image can be presented. The coordinates of the pixel points of the grey-scale image is calculated according to preset resolutions, and the coordinates of the pixel points are not adjusted during a marking process, so that the resolution of the grey-scale image can be guaranteed. A manner that the gray scale is embodied through the density of the marking points is abandoned, and each marking point can embody the grey scale, so that the marking efficiency is relatively improved.

The invention discloses a subjective question self-adaptive examination paper marking method based on answer implication and a dependency relationship. The subjective question self-adaptive examination paper marking method comprises the following steps of 1, analyzing a question; 2, analyzing a standard answer; 3, analyzing student answers; 4, judging whether head words are verbs of the student answers or not; 5, marking the head words which are not the verbs of the student answers; 6, marking the head words which are the verbs of the student answers. Firstly, through the dependency relationship, sentence components of an interrogative in a subjective question and the dependency relationship constituted by the sentence components and the head words are determined; then, according to the sentence components of the interrogative, core semantics of the standard answer and the student answers is determined; finally, through the adoption of a method based on the answer implication, the dependency relationship and the term similarity, omission of the student answers for all the components is subjected to self-adaption, self-adaptive examination paper marking of the same standard answer in different answering modes is achieved, and the accuracy and practicability of a subjective question examination paper marking system are further improved. Therefore, the subjective question self-adaptive examination paper marking method based on the answer implication and the dependency relationship has a wide application prospect in the field.

The invention relates to a drilling lineation method for a skin part. The method includes the following steps: 1) projecting outer edge lines and central points of all holes of the skin part onto a datum plane in the direction of the datum plane according to sizes, 2) drawing projection points on a steel plate with a thickness of 3-5mm according to a ratio of 1:1, 3) drilling light-transmitting holes at the projection points of all the holes and drilling light-transmitting holes arranged in an evenly-spaced mode at the positions of projection outer edge lines, 4) locating the skin part on a mold and placing the steel plate above the skin part, 5) irradiating above the steel plate with parallel light to make all centers of light spots formed by the light-transmitting holes in the projection outer edge lines located on the outer edges of the skin part, and 6) lining out the centers of the light spots on the skin part with a hatching pen to finish lineation. The drilling lineation method for the skin part improves accuracy and efficiency in hole position lineation of the skin part, improves efficiency in producing the skin part and achieves interchangeability of the skin part.

The invention provides a digital scoring method. An answer sheet is divided into an objective question answer area, a drawing question area and an undrawing question area. The method comprises the steps that course selecting data and answer library data are led into a database; the answer sheet is scanned; answer sheets are classified and stored according to course codes; for different courses, image cropping and appraising are respectively carried out; when appraising is carried out, the objective question answer area, the drawing type answer area and the undrawing type answer area are respectively processed; score integrating is carried out; and a performance form is exported. The digital scoring method provided by the invention has the advantage of high automation degree, is particularly suitable for a network education examination scene which has the characteristics of multiple course subjects, high appraising efficiency requirement and limited labor cost input, and is suitable for usual large-scale examinations.

The invention discloses imprinting equipment. Imprinting is realized in a stamping mode. The imprinting equipment comprises a punch engraving mechanism and a conveying mechanism, wherein the punch engraving mechanism comprises two cylinders, an upper template, a lower template and two groups of punch head components; the upper template and the lower template are connected through a plurality of supporting columns; the two groups of punch head components are pushed by the two cylinders respectively; the two cylinders are arranged on the upper template and penetrate through the upper template to push the punch head components to move up and down; each group of punch head components comprises two punch heads; and the punch heads are provided with character dies or forming dies to imprint characters or patterns on a workpiece to be imprinted. According to the imprinting equipment, four marks can be imprinted by all the four punch heads at most at one time, and the imprinting of two workpieces can be simultaneously finished by each process beat at an imprinting station; and if only one mark is required by each workpiece, four workpieces can be processed at one time, so that the imprinting efficiency is greatly increased. The link plate structure of the imprinting equipment is wide and strong and is sufficient to directly bear the impact force reaching up to 10 tons applied by the two cylinders through the four punch heads.

The invention discloses an automatic tagging method and apparatus, a computer device and a storage medium. The method comprises the steps of performing word segmentation preprocessing on a to-be-tagged text to obtain a preprocessed text; inputting the preprocessed text to a TF-IDF algorithm model to obtain a keyword set of the to-be-tagged text; according to the keyword set of the to-be-tagged text, obtaining an initialized transfer matrix, performing multi-time iterative multiplication operation on the initialized transfer matrix and initial keyword probability distribution until convergenceto obtain final keyword probability distribution; and obtaining a corresponding row of a maximum probability value in the final keyword probability distribution, obtaining a keyword corresponding to the corresponding row of the maximum probability value, and setting the keyword as a tag of the to-be-tagged text. According to the method, an article is tagged by automatic learning, so that manual tagging is avoided, the tagging efficiency is improved, and the manpower cost is reduced.

Embodiments of the invention provide an efficient computer paper examination method and system. The efficient computer paper examination method comprises the steps of scanning an answer sheet and cutting test questions; selecting the questions needed to be subjected to answer combination; separating answering parts and identifying answer contents; performing semantic processing and combining answers; and performing paper examination scoring according to the combined answers. The efficient computer paper examination system comprises a scanning module, an image processing module, a semantic processing and combining module and a paper examination scoring module.

The invention discloses a test paper generating and scoring method and system. The method comprises: configuring examination question information, an examinee object of a test paper and student number bit information setting a test paper number and a corresponding two-dimensional code of the test paper number, and then carrying out editing to form a test paper, and storing the edited test paper, the configured information, and the set information into a test paper database; obtaining a to-be-corrected papery test paper after manual teacher examination, converting the papery test paper into an electronic image, and outputting the electronic image; and identifing the two-dimensional code to obtain the test paper number, querying the test paper database to obtain the test paper corresponding to the test paper number and the student number bit information, carrying out statistics of scores of examination questions corresponding to manual paper examination and a total score of scores of examination questions corresponding to automatic electronic paper examination, associating the student number with the total score, and storing the information to a cloud terminal. According to the invention, with setting of a two-dimensional code of a test paper, a test paper can be obtained based on a test paper number and automatic electronic paper examination of the test paper is realized, and thus total score statistics of a manual test paper examination result and an automatic electronic paper examination result is realized rapidly.

The invention discloses a pedestrian protecting vehicle scriber used for a collision test, which comprises a movable base arranged in the Y direction, a horizontal moving rack, a longitudinal moving rod and a scribing rod, wherein the movable base is provided with a self-arranged leveling and fixing device; the horizontal moving rack and the movable base are in Y-direction sliding fit; a Z-direction extending vertical strut is fixed on the horizontal moving rack; the longitudinal moving rod is horizontally arranged on the vertical strut along the X direction; the longitudinal moving rod can horizontally slide along the X direction and the Z direction on the vertical strut and is locked and positioned; the scribing rod is arranged on one end of the longitudinal moving rod by a universal joint; and a space angle between the scribing rod and the longitudinal moving rod can be regulated at will. The pedestrian protecting vehicle scriber has the characteristics of low working intensity, high scribing efficiency and high scribing precision, is convenient and simple to operate, is convenient to move and saves space, can be made of belt trough aluminium profile, aluminium alloy plates and few steel materials to guarantee integral strength and have portability. The pedestrian protecting vehicle scriber is suitable for various vehicle collision test processes to serve as an auxiliary tool to carry out pedestrian protecting scribing operation.

The invention discloses an intelligent scoring method and device based on NLP, equipment and a storage medium. The method comprises the steps: acquiring a test question image to be scored; using an optical character recognition mode; identifying the test question image; obtaining identified content, dividing according to a preset statement division mode; performing statement segmentation on the identification content; obtaining each basic statement contained in the identification content; using an N-Gram model, performing content correction on each basic statement; obtaining a target text corresponding to each basic statement; finally, using a natural language semantic recognition mode, performing semantic recognition on each target text, to obtain the target semantics of each target text,and determine the comprehensive score corresponding to the test question image according to the target semantics. Character recognition is carried out through the test question image, test question review is carried out on the recognized characters in a natural language recognition mode, the scoring efficiency is improved, and the labor cost is saved.

The invention discloses a laser marking control method, a laser marking machine and a storage medium and relates to the technical field of lasers. The laser marking control method comprises the steps that corresponding space coordinates of all the objects to be marked are obtained; the marking times of all the objects to be marked are calculated according to the marking paths of the objects to be marked and the marking speeds of laser marking heads; and the heights of the laser marking heads are correspondingly adjusted according to the space coordinates of the objects to be marked so that the focus points of the laser marking heads can be located on the objects to be marked, and the laser marking heads are controlled to conduct the marking works corresponding to the marking times on all the objects to be marked. The process is controlled by software without manual operation, all the marking works are completed by conducting one-time focusing in advance, and the marking efficiency is improved greatly; and meanwhile compared with the prior art, by the adoption of the laser marking control method, the laser marking machine and the storage medium, the lower cost is achieved, and the better practical value is achieved.

The invention provides an electronic scoring method and an electronic scoring device and relates to the technical field of image recognition. The electronic scoring method includes acquiring image information and electronic scanning file of paper answer sheets; segmenting the image information of the paper answer sheets according to the electronic scanning files to obtain image information file of each question type of the paper answer sheets; subjecting the image information file of each question, containing in each question type to recognition processing to obtain recognition result of each question; scoring answer of each question according to the recognition result to obtain scoring results; determining target scoring results according to the scoring result of each question, thereby solving the technical problem of complexity in scoring by conventional scoring methods. The electronic scanning files include description information; the image information file of each question type includes image information of each question belonging to the question type.

The invention discloses a marking device with an automatic clamping and positioning function, which is accurate in positioning and can effectively improve the marking efficiency. The marking device with an automatic clamping and positioning function comprises a printing device, a transmission device is arranged right below the printing device, the transmission device comprises a transmission belt and an automatic clamping and positioning device, the automatic clamping and positioning device comprises inflatable airbags arranged at intervals at sides of the transmission belt, one inflatable airbag located at one side and the corresponding other inflatable airbag located at the other side form a clamp, one inflatable airbag of each clamp is provided with a starting end position sensor, the other inflatable airbag of each clamp is provided with an ending end position sensor, each inflatable airbag is internally provided with a sensing device used for sensing a workpiece, the inflatable airbag is connected with a pneumatic pump, the pneumatic pump is arranged at the side part of the support of the transmission device, and the starting end position sensors, the ending end position sensors and the sensing devices are connected with the controller of the pneumatic pump.

The invention discloses a combined scribing instrument consisting of a base, an upright post, a rocker arm shaft, a vertical shaft, a horizontal shaft, a positioning sleeve, a sliding sleeve and scratch awls, wherein the rocker arm shaft is parallel to the horizontal shaft; the scratch awls are respectively arranged at one end of the rocker arm shaft and one end of the horizontal shaft; and a short shaft is parallel to the vertical shaft; the scratch awls are respectively arranged at one end of the short shaft and one end of the vertical shaft and are respectively mutually connected and positioned through the sliding sleeve and the positioning sleeve so as to form a basic structure with two horizontal devices and two vertical devices. With the structures of the rocker arm shaft, the vertical shaft, the horizontal shaft and the short shaft and by up-down and left-right movement or rotation of the sliding sleeve, the invention not only can align, scribe and singly scribe on the plane, but also can scribe three-dimensional parallel lines, three-dimensional vertical lines, circles, side circles, tip circles and the like, thereby realizing multifunction by one machine and improving the efficiency and the precision for scribing.

The invention discloses an intelligent paper marking system and method. In an MFP, an answering card customization module, an intelligent paper marking module and a data transmission module are established, wherein the answering card customization module is used for customizing different types of answering cards and then outputting the answering cards, the intelligent paper marking module is used for identifying answers in the different types of answering cards and obtaining scoring points through comparing the answers with standard answers corresponding to stored answering card types; and the data transmission module used for displaying or transmitting total scores of the answering cards. In such a way, paper marking is finished independently, and the paper marking efficiency is improved.

A wooden furniture plate machining device comprises a front fixed seat and a rear fixed seat. Multiple horizontal roller wheels are movably mounted between the two fixed seats. Chain wheels are fixedly mounted at the front end and the rear end of a rotary shaft of each roller wheel. The chain wheels are located on the outer sides of the fixed seats. The multiple chain wheels located on the outer side of the same fixed seat are movably connected through a chain. Vertical supporting rods are fixedly mounted on the two sides of the top face of each fixed seat correspondingly. The top ends of thefour supporting rods are fixedly connected through a horizontal supporting plate. Guide grooves with sections in dovetail shapes are formed in the front end and the rear end of the bottom face of thesupporting plate correspondingly. A guide block is arranged in each guide groove. Nuts are fixedly connected with vertical rods, then first screws rotate, the two vertical rods can oppositely move ormove in the reverse directions, and therefore adjustment can be carried out according to different plate widths, and the use requirements of the different plate widths can be met. A plate is fixed through two fixing plates, the plate can be prevented from moving in the lineation process, and inaccurate lineation is avoided.

The invention relates to a laser marking machine. The laser marking machine comprises a loading mechanism for transferring workpieces to a loading table, a first marking mechanism comprises a first layer, a second marking mechanism erected above the loading table, and an unloading mechanism for shifting marked workpieces from the loading table, wherein the first laser is arranged towards the sidesurface of the loading table for marking the side surfaces of the workpieces on the loading table; and the second laser is arranged towards the top surface of the loading table for marking the top surfaces of the workpieces on the loading table. The laser marking machine is higher in working efficiency.

The invention is aimed at providing an automatic lithium battery laser marking machine high in efficiency and quality. The automatic lithium battery laser marking machine can automatically conduct laser making on lithium batteries through a laser marking device and meanwhile can automatically sort out unqualified products from qualified products after laser marking.

The invention belongs to the technical field of construction and in particular relates to a construction foundation marking machine. The technical problem to be solved in the invention is to provide the construction foundation marking machine capable of saving time and labor, improving the marking efficiency, remaining the marked lines for a long time and avoiding rework. In order to solve the technical problem, the construction foundation marking machine provided by the invention comprises a cart and the like. The top of the cart is vertically connected with a supporting plate; a marking device is arranged on the top of the cart on the left side of the supporting plate; and a driving device is arranged on the top of the cart on the right side of the supporting plate. According to the construction foundation marking machine provided by the invention, the marking device can be driven to spray paint on the ground by the driving device, so that the marking aim can be achieved. Moreover, the dried paint is not washed away by rainwater, so that the effects of saving the time and labor, improving the marking efficiency, remaining the marked lines for a long time and avoiding the rework can be achieved.

The invention discloses an answer card scoring method based on image recognition. The method comprises the following steps: firstly, the scanned answer card images are processed in gray scale and binarized to obtain binarized gray scale images; Then, the global positioning block is recognized, the front and back of the answer card are judged, and the image is rotated and rectified. Then, all the local positioning block pairs are identified, and screenshots are performed on each line of the questions. For the screenshots of the multiple choice questions, the filling and coating positions are identified, and the filling and coating answers are calculated according to the division proportion of the options. For the subjective screenshots, the scoring results are judged by the red HSV model. At last, compare the result data with the standard answer, and calculate the final score of the answer card. The invention reduces the hardware cost of the answer card identification, provides an identification method comprising a choice question and a subjective question, has high accuracy and fault tolerance rate, and improves the marking efficiency.

The invention discloses an automatic marking and detecting device. The automatic marking and detecting device comprises a rack, a laser marking device and a detecting system. One end of the rack is obliquely arranged, and a feeding runner is obliquely arranged at the inclined end of the rack and connected with a conveying belt arranged on the surface of the rack. An accepted product discharging port is formed in the tail end of the conveying belt. An unaccepted product discharging port is formed in one side of the tail end of the conveying belt. The laser marking device is arranged on one side of the feeding runner. A material blocking air cylinder is arranged on one side of the part, below the laser marking device, of the feeding runner. The detecting system is arranged above the conveying belt. A drive air cylinder used for beating unaccepted products into the unaccepted product discharging port is arranged on the part, on the other side of the unaccepted product discharging port, of the conveying belt, and the detecting system is connected with and controls the drive air cylinder. According to the automatic marking and detecting device, marking and unaccepted product detecting are integrated, the detecting system achieves automatic detecting after the products meet the standard, the disqualified marked products are classified out, and full-automatic operation of product marking is achieved. The automatic marking and detecting device is simple in structure and reasonable in design, the automation degree can be effectively improved, the operation intensity of workers is lowered, and the product marking efficiency is improved.

The invention discloses laser marking equipment. The equipment comprises a base, wherein a camera station and a marking station are arranged on the base, a feeding assembly used for driving a printedcircuit board to move is arranged on one side of the camera station, and a discharging assembly used for driving the printed circuit board to move is arranged on one side of the marking station; and the equipment further comprises an adsorption platform assembly used for adsorbing and fixing the printed circuit board, a feeding lifting suction plate assembly and a discharging lifting suction plateassembly, wherein the adsorption platform assembly can move to the camera station and the marking station under driving of a platform driving assembly, the discharging lifting suction plate assemblyis used for transferring the printed circuit board on the adsorption platform assembly to the discharging assembly, and the feeding lifting suction plate assembly is used for transferring the printedcircuit board on the feeding assembly to the adsorption platform assembly. According to the laser marking equipment, the camera station and the marking station are mutually independent and can work atthe same time; and the adsorption platform assembly can quickly and efficiently position boards, and positioning accuracy is guaranteed.

A powder spraying, marking and blank cutting method for aluminum alloy components with ribs includes 1, utilizing computer drawing software to draw graphics of components to be machined on the polished side of an aluminum alloy component with the ribs, and arranging seam lines to divide the aluminum alloy component with the ribs into a plurality of small plates; 2, drawing a locating datum line; 3, drawing a positioning angle square datum line; 4, drawing a first branch datum line and a second branch datum line; 5, utilizing a digital controlled cutting machine to spray powder on the polished side of the aluminum alloy component with the ribs; 6, testing the positions of the ribs; 7, cutting. By the aid of the method, the ribs are flushed when the aluminum alloy component with the ribs is connected with an adjacent one, the aluminum alloy component with the ribs can be blanked and cut sequentially, cutting accuracy is improved, producing efficiency is improved exponentially, production cost is reduced, labor intensity of cutting staff is reduced, production security is enhanced, and great promotion value is provided.