1375 results about "Leaf blade" patented technology

The invention relates to a tartary buckwheat pest and disease damage dynamic monitoring method, system and device and a medium, and belongs to the technical field of agricultural intelligent monitoring, the dynamic monitoring method comprises the following steps: periodically collecting environmental parameter data through fixed sensor nodes deployed in a farmland, and obtaining leaf vibration signals and multispectral image data at the same time; performing space-time alignment on the blade vibration signal and the multispectral image data, correcting radiation distortion in the multispectral image data, and outputting a registration data set; according to the registration data set, fusing to generate a multi-modal feature vector, inputting the multi-modal feature vector into a pre-trained space-time analysis model, and outputting a risk level distribution diagram with a geographic coordinate mark; generating a control instruction set according to the risk level distribution map, and triggering execution equipment to execute pest control operation; and optimizing weight parameters of the space-time analysis model through the generative adversarial network based on the execution log of the control instruction set and the historical multi-modal feature vector. The scientificity and timeliness of pest control can be improved.

The invention discloses a method for dynamically monitoring, regulating and controlling crop growth environment data based on nano sensing, and relates to the technical field of crop environment monitoring and management. Crop growth environment data and leaf dip angle data are synchronously acquired through a deployed nano sensing network; constructing an environment variation vector reflecting environment mutation intensity based on the environment data, and calculating to obtain a comprehensive risk value in combination with the blade attitude anomaly characteristic value processed by the trigonometric function; and generating a spatial risk distribution matrix reflecting continuous distribution of a risk space by using an inverse distance weighted interpolation method. By analyzing the characteristics of the matrix, transient interference caused by gust and the like and continuous stress caused by sudden change of the environment are intelligently distinguished, and two differentiated response management strategies of inhibitory regulation and control and hierarchical regulation and control are respectively triggered. The early, accurate and spatially distinguished perception and preventive intervention of the risk of the flash seedlings in the facility are realized, and the problems of high false alarm rate, response lag and extensive regulation and control of a traditional method are effectively solved.

The invention particularly relates to a water-saving irrigation system for intelligent agricultural vegetable seedling raising, and relates to the technical field of intelligent agriculture. And a decision and processing module. According to the method, multi-dimensional data perception and intelligent decision are adopted, so that the core contradiction that disease prevention needs drying and seedling strengthening needs stress in traditional seedling culture is solved; through a non-contact infrared leaf temperature sensor, a miniature resistance-type leaf surface humidity-sensitive sensor and the like, key data such as leaf temperature and leaf surface humidity state are accurately collected, a leaf surface humidity prediction model is constructed, a disease risk window is divided in advance, and propagation of diseases such as downy mildew and gray mold is blocked from the source; the stress intensity is controlled through the wilting coefficient, so that the seedlings are prevented from withering due to excessive stress, and moderate drought is ensured to stimulate root growth.

The invention discloses an infrared corn drought identification method based on wavelet boundary enhancement, and belongs to the field of agricultural informatization and plant phenotype identification, and the method comprises the following steps: S1, obtaining an infrared image of a corn plant; s2, executing two-dimensional discrete wavelet transform to generate a boundary response diagram; s3, generating a binary mask according to the characteristics of the boundary response diagram to the blade edge; s4, connected domain analysis is executed, candidate leaves are obtained, and independent single-leaf masks are generated; s5, the small holes are removed, a mask is obtained, and the blade curvature is quantified; s6, constructing a multi-dimensional feature vector reflecting the curling characteristics of the blade; and S7, outputting the drought grade corresponding to the corn leaf through the multi-layer perceptron model. By adopting the method, automatic identification and early warning of the early-stage water shortage state of the corn are realized.

The present application belongs to the technical field of seedling raising, and provides a seedling raising and pruning device, which comprises a mounting seat, a first cutter seat and a second cutter seat oppositely arranged on the mounting seat, a first through hole formed in the first cutter seat, a first cutter head arranged on one side of the first cutter seat away from the second cutter seat and used for removing end leaves of seedling branches, a second cutter head and a first elastic member arranged on one side of the first cutter seat close to the second cutter seat, a cutter groove matched with the second cutter head arranged on the second cutter seat, a second through hole formed in the second cutter seat, a centering assembly fixedly connected to one side of the second cutter seat away from the first cutter seat and used for positioning and clamping seedling branches, a clamping assembly arranged on one side of the centering assembly away from the second cutter seat and used for clamping seedling branches, and a shearing assembly used for shearing seedling branches. The present application solves the technical problem that the treatment of seedling branches before cutting in the prior art relies on manual operation, which is time-consuming and laborious and has low production efficiency, saves time and labor cost, and improves production efficiency.

Disclosed is a pair of corn snapping rollers. Each roller has a squared shaft to which intermeshed flutes or blades are bolted. The flutes or blades possess a series of triangular teeth ending in tips that firmly sink into the stalks to lower them and open cracks therein, regardless of their moisture or condition, with the teeth of a roller interspersed with those of their counterpart. Both rollers have the same diameter and tangential velocity. By rotating the rollers, the blades approach each other at a remarkably close distance of a few millimeters. The blades of the same roller may be equidistant from each other or may be paired, such that the distances between consecutive blades are unequal.

The utility model provides a vegetable crop harvester which comprises a frame, a driving mechanism arranged on the frame, a separation conveying mechanism, a root cutting mechanism and a gathering mechanism. The separation conveying mechanism is obliquely arranged on the frame, and a containing cavity is formed by the tail end of the separation conveying mechanism and the top of the rear end of the frame and used for receiving cut vegetable crops; the root cutting mechanism and the gathering mechanism are arranged at the starting end of the separation conveying mechanism, and the gathering mechanism comprises two stem holding devices which are distributed at intervals and used for gathering leaves of vegetable crops and guiding stems of the vegetable crops to a cutting area of the root cutting mechanism; an output shaft of the driving mechanism drives the root cutting mechanism and the separating and conveying mechanism, the root cutting mechanism is used for cutting stems of vegetable crops guided to the cutting area, the separating and conveying mechanism is used for separating the cut vegetable crops and conveying the vegetable crops to the containing cavity, and damage to vegetable leaves is reduced.

The invention discloses a plant leaf physicochemical parameter inversion method based on spectrum two-dimensional characterization and multi-task deep learning, and belongs to the technical field of plant physiological detection. The method comprises the following steps: constructing a hyperspectral plant leaf data set; preprocessing a hyperspectral plant leaf data set; reconstructing the preprocessed one-dimensional spectral vector into a two-dimensional image; taking the generated two-dimensional image as input, constructing a multi-task learning model, and performing training and evaluation; and applying the trained model to a test set to obtain an inversion result of the physical and chemical parameters of the leaf. The method solves the problem of parameter inversion interference caused by the same-spectrum foreign matter phenomenon, achieves the precise modeling of local fine feature extraction and global context relation, solves the inversion precision bottleneck caused by spectral response overlapping among parameters, improves the distinguishing capability of the model for easily confused parameters such as chlorophyll and carotenoid, and improves the accuracy of the model. And finally, high-precision and robust synchronous inversion of the physical and chemical parameters of the plant leaves is realized.

The invention discloses a Shanghai green and clean vegetable packaging all-in-one machine which comprises a cleaning unit, an aligning unit, a root cutting and yellow leaf removing unit and a packaging unit which are connected in sequence, and the root cutting and yellow leaf removing unit at least comprises a fixing mechanism, a first motor used for driving the fixing mechanism, a root cutting mechanism and a yellow leaf removing mechanism; wherein the fixing mechanism is vertically arranged, the top and the bottom of the fixing mechanism are open, after the aligning unit places the roots of target brassica chinensis into the fixing mechanism downwards, the leaf parts and the roots of the target brassica chinensis are exposed out of the upper end and the lower end of the fixing mechanism respectively, and a first motor drives the fixing mechanism to enter the working ranges of the root cutting mechanism and the yellow leaf removing mechanism at the same time; the root cutting mechanism cuts off the root of the target brassica chinensis, the yellow leaf removing mechanism positions and cuts off the yellow leaves of the target brassica chinensis through machine vision, and then the target brassica chinensis is conveyed to the packaging unit. The root cutting and yellow leaf removing device has the beneficial effects that the root cutting mechanism and the yellow leaf removing mechanism cooperate for treatment, the processing period is greatly shortened, and the labor cost and the secondary pollution risk are reduced.

The invention relates to the technical field of crop seedling raising, in particular to a plug tray large seedling age grading detection method based on machine vision, which comprises the following steps: acquiring plug tray seedling images by using a preset angle, and determining detection points corresponding to each seedling in a plug tray; according to the coordinates of the detection points in the image, target areas corresponding to the stalks and the leaves are determined through the detection points in an image growth mode; based on the segmented target area, extracting morphological characteristics corresponding to the target area, and determining growth difference characteristics and classification labels of the target area through differences of the morphological characteristics under a continuous time sequence; based on the growth difference characteristics of the target area, establishing an association relationship between the morphological characteristics and seedling ages of the seedlings, performing trend fitting on the growth difference characteristics in combination with the average morphological characteristics of the seedlings to obtain a grading characteristic interval corresponding to the seedling ages, and taking corresponding data as an output hole tray grading report; precision and efficiency of grading treatment of plug seedlings are achieved.

According to an embodiment a pickleball paddle, comprising a handle, and a striking blade with one or more holes located in the striking blade is provided. At least some of the perimeter of the striking blade abuts a first layer of soft material and at least some of the perimeter of at least one of the one or more holes abut a second layer of soft material.

The invention relates to the technical field of mining underground ventilation, in particular to a mining underground ventilation device which comprises a main exhaust pipeline, and an opening and closing air door is provided with blades through a shaft body. A supporting telescopic rod is installed on the inner wall of the branch pipeline, a moving frame is installed at one end of the supporting telescopic rod, a sliding groove is formed in the outer wall of one side of the moving frame, a sliding connecting rod is connected into the sliding groove in a semi-embedded mode, and one end of the sliding connecting rod is movably connected with one side of a blade through a pin shaft; a self-locking assembly is arranged between the fixed end of the supporting telescopic rod and the outer wall of one side of the movable frame, and through the arrangement of the self-locking assembly, automatic locking of the blades in the closed state is achieved through the adsorption effect of a magnetic suction plate on a connecting shaft body of a first connecting rod and a second connecting rod; the problem that the air door is opened accidentally due to the fact that a traditional thread or buckle fixing mode is prone to loosening under the impact of airflow is solved, and the sealing reliability and the operation safety of the air door under the complex working condition of a mining mine are remarkably improved.

The utility model discloses a grating blade group, a multi-blade collimator and radiotherapy equipment, relates to the technical field of medical equipment, and aims to solve the problems that the blades of the grating blade group have relatively large friction, the running resistance of the blades is relatively large, and the blades have clamping stagnation risks, so that the blade collimator is easy to damage, and the service life is shortened. The grating blade set comprises a plurality of blades, the blades are arranged in the first direction and can move relatively in the second direction, and the first direction intersects with the second direction. Each blade comprises a blade body and a first magnetic part arranged on the blade body, and the first magnetic parts of every two adjacent blade bodies repel each other.

The utility model discloses a tomato leaf sampling device which comprises a sampler and a pressing device for the sampler, the sampler is placed on the pressing device, the pressing device comprises a base, a connecting rod, a supporting rod and a pressing rod, the surface of the base is provided with a fixing groove matched with the bottom of the sampler, the bottom of the connecting rod is fixed on the base, and the pressing rod is fixed on the base. One end of the supporting rod is fixed to the top of the connecting rod, a through hole is formed in the supporting rod, a sliding clamping groove is formed in the pressing rod, and one end of the pressing rod is rotationally connected with the supporting rod. According to the utility model, the through hole and the fixing groove are arranged, so that the sampler can be conveniently fixed and limited, the pressing rod and the sliding clamping groove arranged in the pressing rod are arranged, so that a blade sample can be conveniently and quickly cut off by the gland of the sampler and falls into the sampler, the sampler is sealed, and one-time sampling is completed; the device is quick and convenient, avoids sample pollution, can accurately select a sampling position, realizes accurate operation, reduces labor intensity, improves working efficiency, and has very high practical value.

The invention discloses a square bundle bundling machine capable of reducing forage grass picking loss rate, which comprises a picking device, a conveying device, a screening device, a vibration device, a pre-compression device, a feeding device, a compression device, a detection device, a driving device and a control device, the picking device comprises a picking device, a picking device wheel, a suction box, a picking device wheel arm and a hydraulic cylinder, the suction box is matched with the picking device for synchronous operation, scattered and short pasture and leaves which are not grabbed by the picking device are sucked in and conveyed to the screening device through the conveying device and then conveyed to the pre-compression device, the vibration device drives the screening device to vibrate, and the pre-compression device drives the picking device to vibrate. Impurities such as soil and broken stones in forage grass can be separated, the industrial camera detects the distance between the bottom of a traction beam of the square bundle bundling machine and the ground, the hydraulic cylinder is automatically driven to adjust the height of the pickup device, the ground is prevented from being scratched, it is guaranteed that the scattered and short forage grass and leaves are effectively grabbed, and the pickup loss rate is reduced.

The application relates to the humidifier technical field, and discloses a dynamic intelligent petal sprayer, which comprises a humidifier body, a bionic blade structure and a driving mechanism. The humidifier body is internally provided with an installation space which supports the positions and structures of other components. The installation space is integrated with a humidification function component. The bionic blade structure is provided in the shape of a lotus leaf blade, one end of the lotus leaf blade is rotationally connected with the humidifier body, and the opening and closing action can be realized. The driving mechanism is located in the humidifier body or is connected with a power execution component of the humidifier body and the bionic blade structure. A driving force is provided to drive the bionic blade to realize the opening and closing action. The bottom end of the humidifier body is provided with a base structure, and the base structure is provided with a plurality of blades or discs.

This invention discloses a plant leaf image recognition method based on the fusion of contour shape and depth features, belonging to the field of plant leaf recognition technology. The method includes the following steps: First, extracting minimum projection distance features and relative projection distance features based on the leaf contour curve offset characteristics, and combining them with arch height distance features describing the contour's convexity and concavity characteristics; then, obtaining multi-scale, multi-contour distance shape descriptors based on multi-feature fusion and multi-scale analysis; finally, fusing low-level contour features and high-level semantic features using maximum value normalization. This invention not only extracts contour curve features at different scales from two orthogonal dimensions, comprehensively describing the two-dimensional contour spatial distribution features, but also significantly improves plant leaf image recognition performance by fusing complementary features at different levels and combining the advantages of different levels of features.

The application provides a method for observing glandular hairs of Ainsliaea sinensis by using a scanning electron microscope. The method comprises the following steps: (1) selecting a region to be measured in a leaf blade, cutting a sample, and immersing the sample in an aldehyde fixing solution for fixation and immersion; (2) performing gradient dehydration by using an ethanol solution, performing replacement by using isopentyl acetate, and then performing drying by using a critical point drying instrument; (3) removing non-glandular hairs by using adhesive tape; and (4) then spraying gold and observing under a scanning electron microscope. By using the method, the observation and distribution density statistics of the glandular hairs of Ainsliaea sinensis can be simply, efficiently and accurately completed. By using the method, the problem of uneven leaf blade is well solved, and the problem of non-glandular hairs shielding and interfering with the visual field is completely solved.

The efficient multi-stage cut stem dust separator comprises a separation mechanism, the separation mechanism comprises a separation barrel, and a feeding pipe, a concentrator, a backflushing separator and an airflow buffering cone are sequentially arranged in an inner cavity of the separation barrel from top to bottom; the concentrator comprises a concentration frame and a plurality of annular inverted-cone blades arranged on the concentration frame, the annular inverted-cone blades are sequentially arranged at intervals from top to bottom, the radial sizes of the annular inverted-cone blades are gradually reduced, and the top end of a concentration channel formed by center hole channels of the annular inverted-cone blades is communicated with the bottom end of the feeding pipe; the back-flushing separator comprises a back-flushing material pipe and a buffer cover, and the buffer cover is arranged around the back-flushing material pipe by a circle; the airflow buffer cone comprises a suspender frame and a buffer cone; a discharging pipe is arranged at the position, close to the top, of one side of the separation barrel, the inner end of the discharging pipe extends into an inner cavity of the separation barrel, and a gap is reserved between the inner end of the discharging pipe and the feeding pipe. The device has the advantages that concentration and multi-stage collision are carried out in the inner cavity of the separation barrel, and sufficient separation of materials and dust is realized through multiple times of energy reduction and speed reduction.

The application discloses an openable light shield for an open device or a pool liquid surface and an application method thereof, wherein the light shield comprises a light shield frame, blades are arranged on the light shield frame, the blades are movably arranged on the light shield frame through pivots, the blades are connected with push rod mechanisms, the push rod mechanisms are connected with worm gear operating mechanisms, the push rod mechanisms drive the blades to open and close on the light shield frame through the worm gear operating mechanisms. The application provides a convenient, flexible and firm light shielding facility, which can not only prevent algae in a pool from growing and breeding on fillers or components in the pool through photosynthesis, but also can be conveniently opened at any time to observe the operation condition in the pool, so that operation parameters of the facility can be adjusted and maintenance plans can be determined; meanwhile, the blades of the light shield can be quickly disassembled to facilitate replacement of components and invalid fillers in the pool, and the light shield also has the ability to resist strong wind, heavy rain and snow.

Title: System for Retaining a Movable Leaf The invention relates to a system for retaining a movable leaf relative to a frame, comprising a hinge (5) having at least one first through hole (5a) adapted to receive a first fastening element (6) so as to fix the hinge to a leaf (2), and a retaining device (1) comprising a fixed portion adapted to be fixed to a leaf, characterized in that the retaining device is positioned on one face of the hinge and in that the retaining device comprises at least one through opening (1151) located opposite the first through hole so as to fix the hinge and the device together by the first fastening element to a leaf. Figure for the abstract: Fig. 7

The invention discloses an automatic pesticide spraying machine for a sunlight greenhouse, and belongs to the technical field of atomization devices.The pesticide spraying machine for the sunlight greenhouse has the functions of spraying pesticide, applying fertilizer to leaves and cooling the leaves, and the pesticide spraying machine, the leaf fertilization and the leaf cooling can be automatically switched according to the growth requirements of plants; meanwhile, the spray valve in the sunlight greenhouse pesticide sprayer also has a lifting function and can be automatically lifted according to the growth height of the plant, so that spray can completely cover the leaf of the plant, and in addition, the sunlight greenhouse pesticide sprayer has an automatic flow control function and can automatically adjust the flow according to the growth width of the leaf of the plant, so that the pesticide spraying efficiency is improved. The functional diversity and the spraying effect of the solar greenhouse pesticide sprayer are improved, and water resources are saved.

The utility model discloses a fan blade type friction nanometer generator based on seabed ocean current energy, which comprises a shell, fan blades and a friction generator, a power generation cavity and a blade cavity are respectively arranged at two ends in the shell, the power generation cavity and the blade cavity are two mutually independent cavities, the fan blades are rotatably arranged in the blade cavity, the friction generator is arranged in the power generation cavity, and the friction generator is arranged in the friction generator. The fan blades and the friction generator are coaxially arranged and are in transmission connection through the magnetic coupling part; a water flow channel is formed in the shell, a flow guide cover is arranged in front of the fan blades, and water flow enters the water flow channel through the flow guide cover and pushes the fan blades to rotate. By arranging the power generation cavity and the blade cavity which are isolated from each other, the power generation component and the driving component are installed separately, transmission is conducted through the magnetic coupling component, a dynamic sealing structural part does not need to be installed, and the power generation component can be independently installed in the power generation cavity in a sealed mode; and meanwhile, as no dynamic sealing structural member is arranged, the transmission resistance is greatly reduced, and the mechanical loss is reduced.

The present application relates to a cleaning device and a sewage tank, the cleaning device comprising a machine body, the sewage tank and a rotary cutting assembly; the sewage tank is installed on the machine body; the rotary cutting assembly is arranged in the interior of the sewage tank and comprises a first cutting blade and a stirring blade; the first cutting blade is rotatably installed in the sewage tank; the stirring blade is arranged adjacent to the first cutting blade; the stirring blade is of an axial flow type blade profile; and the first cutting blade is of a centrifugal type blade profile; the stirring blade guides the dirt to the rotating path of the first cutting blade when rotating. The cleaning device of the present application is provided with the rotary cutting assembly in the sewage tank; the stirring blade can actively stir the dirt in the sewage tank; the dirt is guided to the rotating path of the first cutting blade; the rotating first cutting blade cuts and breaks the dirt; the dirt is conveniently discharged; the discharge outlet is prevented from being blocked; the maintenance work is reduced; and the user's experience is improved.

The application relates to the technical field of outer wall reinforcement, and discloses a reinforcing device for building reconstruction outer walls, which comprises a reinforcing wall, the reinforcing wall is arranged on one side of the outer wall and is arranged perpendicularly to the outer wall, the reinforcing wall is arranged in a triangular shape, the inclined edge of the reinforcing wall is provided with a water storage tank and a planting box from top to bottom, a filter plate is arranged at the upper position in the water storage tank, the outer wall is supported and reinforced by arranging the reinforcing wall on one side of the outer wall, the purpose of improving the structural stability of the outer wall is achieved, the planting box is arranged on the reinforcing wall, plants are planted in the planting box, the purpose of beautifying the reinforcing wall is achieved, the plants can grow in the planting box, the reinforcing wall is shielded, construction marks left by the reinforcing project are covered, the building outer facade landscape is enriched, the visual coordination of the building and the surrounding area is improved, the plant leaves can shield ultraviolet rays and rainwater direct washing, the weathering and aging speed of the outer wall is slowed down, and the durability of the reinforcing effect is prolonged.

The invention relates to the field of agricultural equipment, and discloses a crop leaf removing device which comprises a vehicle body. The differential conveyor belt comprises a limiting belt and a lower conveyor belt opposite to the limiting belt, the limiting belt and the lower conveyor belt are both arranged on the vehicle body, and an overturning channel is arranged between the limiting belt and the lower conveyor belt; the limiting belt and the lower conveying belt extrude crops located in the overturning channel, the conveying speed of the limiting belt is smaller than that of the lower conveying belt, the lower conveying belt is located below the limiting belt, and a leaf outlet through groove is formed in the lower conveying belt. The leaf removing clamping jaw is located below the leaf outlet through groove, and the leaf removing clamping jaw is used for clamping the crop leaves falling from the leaf outlet through groove. According to the lettuce leaf removing device, lettuce leaves are clamped through the leaf removing clamping jaw, then lettuces are pushed into the inner ring of the annular cutter disc, fine cutting and leaf removing are achieved, and lettuce damage is reduced.

This invention discloses a smart irrigation management system based on soil and crop moisture status identification, belonging to the field of crop moisture status monitoring technology. The system includes: acquiring leaf electrophysiological signal sequences and multi-depth water potential parameters of the rhizosphere microdomain of the target crop; determining the onset time of water stress and its corresponding first characteristic frequency based on the leaf electrophysiological signal sequences; determining the active water-uptake layer and its corresponding second characteristic water potential based on the multi-depth water potential parameters; performing a coupled comparison based on the first characteristic frequency and the second characteristic water potential, and determining whether irrigation triggering conditions are met based on the comparison results. If the irrigation triggering conditions are met, a differentiated irrigation quota is determined for different irrigation areas. This invention determines irrigation triggering conditions by comparing the consistency and degree of deviation between the first and second deviation directions, avoiding premature or late irrigation caused by misjudgment based on a single indicator.

This utility model relates to the field of tea processing and discloses a tea-frying and flattening device, including a base. A main support frame is fixedly connected to the outer wall of the base, and a tea-frying cylinder is rotatably connected to the inner wall of the main support frame. A support frame A is fixedly connected to the top of the tea-frying cylinder. A transmission mechanism is provided inside the tea-frying cylinder. The transmission mechanism includes a motor, the top of which is fixedly connected to the outer wall of the support frame A. A transmission rod is fixedly connected to the output end of the motor. A stirring blade is fixedly connected to the outer wall of the slider, and a bolt A is threadedly connected to the outer wall of the slider. In this utility model, the motor drives the transmission rod to rotate through the transmission mechanism. The transmission rod cooperates with the slider through a groove, causing the rhomboid-shaped and symmetrically staggered stirring blades to rotate. At the same time, the slider can be fixed in position by the bolt A to adjust the density of the stirring blades. The multiple contact points of the rhomboid blades can better grasp and disperse the tea leaves, achieving efficient tea-frying.

A process for straightening a blade, preferably a circular blade, by hammering comprises the steps of: acquiring information relating to the deformation of the blade, including the initial planarity data, by means of sensors; constraining the blade in the centre thereof by means of a controlled locking flange, which allows free rotation about the blade axis; executing a predictive model based on artificial intelligence algorithms to estimate the point variation in the deformation of the blade following each strike as a function of the blade characteristics, the central constraint and the parameters of the hammering already performed; and executing an optimisation system to determine the optimal hammering sequence to be applied on the blade in order to obtain a predefined final planarity profile, thereby minimising the number of hammer strikes and maximising the overall effectiveness of the process.