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43results about How to "Guarantee high efficiency and precision" patented technology

Double-end rip sawing device

The invention provides a double-end rip sawing device and belongs to the technical field of automatic mechanical equipment. The technical problems that in the prior art, automatic feeding and discharging of large plates are inconvenient, and the double-end rip sawing device is not suitable for plates needed by large door and window furniture and the other products are solved. The double-end rip sawing device comprises a rack, one end of the rack is an input end, and the other end of the rack is an output end. A fixed frame is fixedly arranged on one side of the rack, and a movable frame capable of moving in the width direction of the rack is arranged on the other side of the rack. Machining head assemblies with saw discs are arranged on the fixed frame and the movable frame, and the machining head assemblies can do reciprocating motion on the fixed frame or the movable frame in the length direction. According to the double-end rip sawing device, automatic conveying, positioning and machining are carried out after feeding is carried out, full-automatic control is achieved, and the timeliness and smoothness of feeding and discharging can be guaranteed; and the two sides of a door plate are machined and cut at the same time through the machining head assemblies on the fixed frame and the movable frame, and therefore the machining efficiency is greatly improved.
Owner:TAIZHOU EVOK MASCH CO LTD

Single chip z-axis linear magnetoresistive sensor with calibration/initialization coil

A single chip Z-axis linear magnetoresistive sensor with a calibration/initialization coil comprises a single chip Z-axis linear magnetoresistive sensor, and a calibration coil and/or an initialization coil. The calibration coil and the initialization coil are planar coils or three-dimensional coils. The planar coils are located above a substrate and below a magnetoresistive sensing unit, between a magnetoresistive sensing unit and a soft ferromagnetic flux concentrator, above a soft ferromagnetic flux concentrator, or in a gap of the soft ferromagnetic flux concentrator. The three-dimensional coil is wound around the soft ferromagnetic flux concentrator and the magnetoresistive sensing unit. The calibration coil and the initialization coil respectively comprise straight wires which are parallel to a magnetization direction of a pinned layer/free layer, wherein the calibration coil generates an equivalent calibration magnetic field parallel/anti-parallel to the direction of the pinned layer of a push or a pull magnetoresistive unit string, and the initialization coil generates a uniform initializing magnetic field in the direction of the free layer at all magnetoresistive sensing units. By controlling the current in the calibration coil/initialization coil, calibration and magnetic state initialization of the single chip Z-axis linear magnetoresistive sensor can be achieved. The sensor has advantages of being highly efficient, quick, and convenient.
Owner:MULTIDIMENSION TECH CO LTD

Double-end cross saw device

The invention provides a double-end cross saw device, and belongs to the technical field of automatic mechanical equipment. The double-end cross saw device solves the technical problems that in the prior art, automatic feeding and discharging of large plates are not convenient, and the double-end cross saw device is not suitable for plates needed by large door and window furniture and other products. The double-end cross saw device comprises a rack, wherein the input end and the output end of the rack are each provided with a first roller; a fixed portal frame is fixedly arranged at the outputend of the rack; sliding rails are arranged at the positions, close to the two sides of the input end, of the rack; a movable portal frame capable of moving in the direction of the fixed portal frameis arranged on the sliding rails in a sliding manner; and the fixed portal frame and the movable portal frame are each provided with a machining head assembly with a saw disc. The double-end cross saw device achieves automatic conveying, positioning and machining after feeding, full-automatic control is achieved, timeliness and smoothness of feeding and discharging can be ensured, the machining head assemblies on the fixed portal frame and the movable portal frame are used for machining and cutting the two ends of a door plate at the same time, and therefore the machining efficiency is greatly improved.
Owner:TAIZHOU EVOK MASCH CO LTD

Bearing type and non-bearing type body-in-white lower vehicle body mixed flow tool and method

The invention discloses a bearing type and non-bearing type body-in-white lower vehicle body mixed flow tool and method. The mixed flow tool comprises a split type clamp mounting plate, a front longitudinal beam positioning unit, a front wall assembly positioning unit, a non-bearing type rear wall translation gable wall, a rear wheel cover sliding table positioning unit, a bearing type rear wall translation gable wall and a control system. According to the vehicle body types of bearing type and non-bearing type body-in-white lower vehicle bodies, the control system controls the front longitudinal beam positioning unit, the front wall assembly positioning unit, the rear wheel cover sliding table positioning unit and the bearing type rear wall translation gable wall to position and assemble the bearing type body-in-white lower vehicle body; or the front wall assembly positioning unit and the non-bearing type rear wall translation gable wall are used for positioning and assembling the non-bearing type body-in-white lower vehicle body. The bearing type and non-bearing type body-in-white lower vehicle body mixed flow tool is novel in thought, ingenious in structure, high in automation degree and capable of meeting the mixed flow production requirements of various bearing type and non-bearing type military off-road vehicle body-in-white lower vehicle bodies.
Owner:DONGFENG OFF ROAD VEHICLE CO LTD

Potato miss-seeding reseeding machine capable of realizing high efficiency precision and low miss-seeding

PendingCN111771442ASolve the shortcomings of low efficiency, low seeding accuracy and high cost of artificial reseedingImprove seeding accuracySpadesFertiliser distributersAgricultural engineeringDrip irrigation
The invention belongs to the technical field of agricultural machinery, and particularly relates to a potato miss-seeding reseeding machine capable of realizing high efficiency precision and low miss-seeding. The potato miss-seeding reseeding machine comprises fixed racks, a fertilizing device, a granular pesticide seeding device, a reseeding device, a seed metering device, a miss-seeding detection device, a rotary tillage ridging device, a weeding and pesticide spraying device and a film mulching and soil covering device, wherein a cross beam is arranged in front of the two fixed racks, a suspension bracket is mounted on the cross beam, a fertilization ditching shovel is mounted in the middle of the cross beam, a traveling wheel is mounted on each of the two fixed racks, the rotary tillage ridging device is mounted behind the fixed racks, and a drip irrigation belt laying device and a film mulching and soil covering device are arranged behind the rotary tillage ridging device. The potato miss-seeding reseeding machine capable of realizing high-efficiency precision and low miss-seeding is compact in mechanical structure, simple in structure and stable in operation, and capable of realizing accurate seeding of potatoes and reducing the miss-seeding rate.
Owner:QINGDAO AGRI UNIV

Device used for machining plate side face hole groove

The invention provides a device used for machining a plate side face hole groove, and belongs to the technical field of automatic mechanical equipment. The technical problems that in the prior art, positioning machining is not efficient and accurate, stability is poor, and in the plate conveying process, wear is easily caused can be solved. The device comprises a rack, an input end is arranged atone end of the rack, an output end is arranged at the other end of the rack, and the device is characterized in that multiple work platforms are fixedly mounted on the rack, at least one set of working heads facing the work platform is mounted on one side of the rack, a set of rollers capable of lifting is arranged on the rack from the input end to the output end of the rack, a baffle which can lift and move towards the conveying direction of the rollers is arranged between the rollers, a mounting cross beam is fixedly mounted at the position, above the work heads, of the rack, and the mounting cross beam is provided with a driving part inclining downwards to face the side of the rack from the outer side of the rack. Timeliness and smoothness of loading and discharging can be ensured, themultiple work heads carry out machining at the same time, and machining efficiency is greatly improved.
Owner:TAIZHOU EVOK MASCH CO LTD

Single-chip high-magnetic-field x-axis linear magnetoresistive sensor with calibration and initialization coil

A single-chip high-magnetic-field X-axis linear magnetoresistive sensor with a calibration and an initialization coil, comprising a high magnetic field single-chip referenced bridge X-axis magnetoresistive sensor, a calibration coil, and an initialization coil, wherein the calibration coils are planar coils, and the initialization coils are planar or three-dimensional coils. The planar calibration coils and the planar initialization coils can be placed above a substrate and below the magnetoresistive sensor units, between the magnetoresistive sensor units and the soft ferromagnetic flux guides, above the soft ferromagnetic flux guides, or at gaps between the soft ferromagnetic flux guides. The three-dimensional initialization coil is wound around the soft ferromagnetic flux guides and magnetoresistive sensor units. The calibration coils and the initialization coils generate a calibration magnetic field paralleled the direction of pinned layer and a uniform initialization magnetic field in the direction of the free layer respectively at the location of the magnetoresistive sensor units. Through controlling the current of the calibration coils and the initialization coils, the calibration and initialization of the magnetic state of the single-chip X-axis linear magnetoresistive sensor can be performed.
Owner:MULTIDIMENSION TECH CO LTD

Single chip Z-axis linear magnetoresistive sensor with calibration/initialization coil

A single chip Z-axis linear magnetoresistive sensor with a calibration / initialization coil comprises a single chip Z-axis linear magnetoresistive sensor, and a calibration coil and / or an initialization coil. The calibration coil and the initialization coil are planar coils or three-dimensional coils. The planar coils are located above a substrate and below a magnetoresistive sensing unit, between a magnetoresistive sensing unit and a soft ferromagnetic flux concentrator, above a soft ferromagnetic flux concentrator, or in a gap of the soft ferromagnetic flux concentrator. The three-dimensional coil is wound around the soft ferromagnetic flux concentrator and the magnetoresistive sensing unit. The calibration coil and the initialization coil respectively comprise straight wires which are parallel to a magnetization direction of a pinned layer / free layer, wherein the calibration coil generates an equivalent calibration magnetic field parallel / anti-parallel to the direction of the pinned layer of a push or a pull magnetoresistive unit string, and the initialization coil generates a uniform initializing magnetic field in the direction of the free layer at all magnetoresistive sensing units. By controlling the current in the calibration coil / initialization coil, calibration and magnetic state initialization of the single chip Z-axis linear magnetoresistive sensor can be achieved. The sensor has advantages of being highly efficient, quick, and convenient.
Owner:MULTIDIMENSION TECH CO LTD

Sintering ignition temperature modeling prediction method based on working condition recognition

ActiveCN112329269APredicted ignition temperatureAchieve ignition temperatureDesign optimisation/simulationSpecial data processing applicationsProcess engineeringFcm clustering
The invention provides a sintering ignition temperature modeling prediction method based on working condition recognition. The method comprises the following steps: carrying out the clustering of a plurality of working conditions in an ignition process through an FCM clustering method, and determining the types of the working conditions; carrying out DBI index calculation on the determined workingcondition category, and determining the working condition number of the sintering ignition process; and then based on different groups of actual data obtained after clustering, establishing the determined ignition temperature prediction model PSOElman under each specific working condition. According to the invention, the defect that the precision of a single prediction model becomes poor when theworking condition in the ignition process changes is overcome, whether the working condition in the ignition process changes or not can be judged according to real-time feedback data, and if yes, thecurrent working condition can be recognized and switched to the corresponding prediction model for prediction; therefore, it is guaranteed that the ignition temperature can be predicted by the most suitable PSO-Elman prediction model under various working conditions for a long time scale, and therefore long-term and efficient prediction precision is kept.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Single-chip high-magnetic-field X-axis linear magnetoresistive sensor with calibration and initialization coil

A single-chip high-magnetic-field X-axis linear magnetoresistive sensor with a calibration and an initialization coil, comprising a high magnetic field single-chip referenced bridge X-axis magnetoresistive sensor, a calibration coil, and an initialization coil, wherein the calibration coils are planar coils, and the initialization coils are planar or three-dimensional coils. The planar calibration coils and the planar initialization coils can be placed above a substrate and below the magnetoresistive sensor units, between the magnetoresistive sensor units and the soft ferromagnetic flux guides, above the soft ferromagnetic flux guides, or at gaps between the soft ferromagnetic flux guides. The three-dimensional initialization coil is wound around the soft ferromagnetic flux guides and magnetoresistive sensor units. The calibration coils and the initialization coils generate a calibration magnetic field paralleled the direction of pinned layer and a uniform initialization magnetic field in the direction of the free layer respectively at the location of the magnetoresistive sensor units. Through controlling the current of the calibration coils and the initialization coils, the calibration and initialization of the magnetic state of the single-chip X-axis linear magnetoresistive sensor can be performed.
Owner:MULTIDIMENSION TECH CO LTD

A Modeling and Prediction Method of Sintering Ignition Temperature Based on Working Condition Recognition

The invention provides a method for modeling and predicting sintering ignition temperature based on working condition identification, which comprises the following steps: using FCM clustering method to cluster multiple working conditions in the ignition process to determine the category of working conditions; to determine the category of working conditions Carry out DBI index calculation, determine the number of working conditions of the sintering ignition process; Based on the different groups of actual data obtained after clustering, set up the ignition temperature prediction model PSO-Elman under each specific working condition determined, the present invention overcomes the ignition process engineering When the conditions change, the accuracy of the single prediction model becomes poor. It can judge whether the ignition process has changed according to the real-time feedback data. If it changes, it can identify the current conditions and switch to the corresponding prediction model for prediction, ensuring long-term The ignition temperature under various working conditions on the time scale can be predicted by the most suitable PSO-Elman prediction model, so as to maintain long-term high-efficiency prediction accuracy.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
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