85 results about "Correction method" patented technology

The invention belongs to the technical field of cable manufacturing. According to the self-adaptive correction method and system based on cable insulation layer thickness monitoring, the real-time center offset of a cable is determined according to laser array measurement data after time-space synchronization; determining the thickness of the cable according to the X-ray thickness measurement data after time-space synchronization; determining the long-short axis ratio of the ellipse according to the shot cable ellipse contour image after the time-space synchronization; inputting the real-time center offset of the cable, the thickness of the cable and the long-short axis ratio of the ellipse into an extended Kalman filter to obtain fusion thickness, fusion concentricity and fusion ellipticity, and further determining an extrusion die pose compensation vector and a screw rotation speed correction amount; according to the extrusion die pose compensation vector, a corresponding execution mechanism is driven to adjust the extrusion die pose, and according to the screw rotation speed correction, the screw rotation speed is controlled; according to the invention, the problems of measurement one-sidedness, control hysteresis and deviation accumulation are solved, and the continuous and stable control of the geometric parameters of the cable insulation layer is realized.

The application discloses a large-scale slender gear shaft carburizing and quenching bending deformation straightening method and tool, relates to the technical field of heat treatment, and aims at solving the problem of stress concentration caused by the existing correction method.The method comprises the following steps: detecting the bending deformation of the gear shaft after carburizing or carburizing and quenching, and marking the bending high points and corresponding positions; horizontally clamping the gear shaft on the straightening tool, making the marked bending high points face upwards, and applying vertical downward pressure to fix; performing press normalizing straightening treatment on the clamped gear shaft; detecting the bending deformation of the gear shaft after the normalizing straightening treatment; judging whether the straightness of the gear shaft meets the predetermined specification according to the re-detection result; if yes, performing quenching and low-temperature tempering treatment on the gear shaft again; if not, returning to the press normalizing straightening treatment step until the straightness of the gear shaft meets the requirement; thus, the local stress concentration can be avoided, and the risk of secondary deformation is reduced.

The correction device (10) is provided with: a shaft part (14) that can extend from the correction device (10) in the axial direction; an outer cylinder section (12) that supports the shaft section (14) therein; a coil spring (24) which is disposed inside the outer cylinder section (12) and which biases the shaft section (14) in the extension direction; temporary stop mechanisms (12a, 12b, 15) that stop the shaft section (14) at the press-fit position against the biasing force of the coil spring (24); a fixing part (16) which is arranged on the outer cylinder part (12) and can fix the shaft part (14) to the outer cylinder part (12); an XY correction section (26) formed along the outer peripheral surface of the shaft section (14); and a Z correction section (28) formed at the tip of the shaft section (14) and having a plane orthogonal to the axial direction of the shaft section (14).

The invention discloses a ship welding correction method and device, a storage medium and a product. The method comprises the steps that an initial position point of a bilge keel base plate is surveyed on a segmented area according to the segment type of the segmented area; measuring a target backing plate deviation value of the initial position point of the bilge keel backing plate deviating from the segmented frame in the segmented area; correcting the initial position point of the bilge keel base plate according to the target base plate deviation value to obtain a target position point of the bilge keel base plate; if the bilge keel base plate is welded to the segmented area according to the target position point, the actual position point of the bilge keel base plate welded to the segmented area and the actual included angle formed between the thickness face of the web and the upper surface of the bilge keel base plate are detected; and welding correction measures are generated, and the content of the welding correction measures is that the bilge keel base plate is corrected from the actual position point to the target position point, and the web is corrected from the actual included angle to the target included angle. The twice correction mechanism improves the installation precision of the bilge keel assembly position.

The present invention discloses a method and application for correcting the error of a special gear in double-flank meshing measurement of gears. The method first adjusts the special gear and the product gear on a double-flank meshing measuring instrument so that the two are meshed, and the tooth grooves and teeth of the two gears are marked in sequence; the two gears are rotated in double-flank meshing, and a center distance data set is collected during meshing; the special gear is rotated again in double-flank meshing with the product gear returned to its initial position, and a center distance data set is obtained again; an error correction value curve for the special gear is obtained based on the two sets of center distance data sets, and the double-flank meshing comprehensive deviation curve and the error correction value curve are linearly superimposed at the same phase to obtain the radial comprehensive deviation value of the product gear after the special gear error is corrected. The present invention improves the measurement accuracy and repeatability of double-flank meshing measurement and eliminates the influence of the special gear's own error on the measurement.

A step bending method includes step bending for forming a step bent portion (Wd) on a flat plate-shaped workpiece (W) with a step bending roller die (K), and a correction processing for correcting warpage of the step bent portion (Wd) after the step bending, wherein the step bent portion (WR3) protruding from a flat plate portion (WR1) is formed by the step bending, and the correction processing is a processing in which the step bent portion (Wd) is pressed downward with a roller die (K34) while a lower surface of the flat plate portion (WR1) is supported and the step bent portion (Wd) is unsupported from below due to a space (Va) formed below the step bent portion (Wd).

The embodiment of the application discloses a vertical assembly motion position correction method and device, equipment and a storage medium. The vertical assembly motion position correction method of the application is applied to a sampling assembly. The sampling assembly comprises a vertical assembly and a horizontal assembly. The method comprises the following steps: acquiring a vertical motion distance and a vertical motion direction of the vertical assembly; acquiring an actual motion distance and an actual motion direction of the vertical motor after executing a motion instruction on the vertical assembly; and determining whether the motion position of the vertical assembly is correct in combination with the actual motion distance and the actual motion direction. If the motion position is incorrect, the position of the vertical assembly is corrected according to the vertical motion instruction, the actual motion distance and the actual motion direction. Through the judgment of whether the motion position of the vertical assembly is accurate and the correction of the position of the vertical assembly, the motion position offset of the vertical assembly is eliminated, the motion position of the vertical assembly is more accurate, and the system error is effectively reduced.

To provide a correction method of rotation of a caisson skeleton and a caisson skeleton in a pneumatic caisson method.SOLUTION: A correction method of rotation of a caisson skeleton 100 accompanied by sinking of the caisson skeleton 100 in a pneumatic caisson method includes: a tensioning step in which a tendon 110 provided at an outer periphery of the caisson skeleton 100 gives tensile force T in a direction correcting rotation; and a correction step of correcting rotation of the caisson skeleton 100 by the tensile force T when the caisson skeleton 100 sinks.SELECTED DRAWING: Figure 4

The invention provides a correction jig, a correction method, a rotating shaft cover plate and foldable electronic equipment. The correction jig is used for correcting the straightness of a long-strip-shaped part and is provided with a first groove, and the first groove extends in the first direction; in the second direction, the range of the difference value w1-w1'between the width w1 of the first groove and the width w1 'of the long-strip-shaped part is larger than or equal to 0.05 mm and smaller than or equal to 0.1 mm, and the first direction intersects with the second direction. The correction jig is simple in structure.

The present application provides a position correction device capable of efficiently correcting the position of a tension adjusting roller, and the like. A position correction device (10) of a tension adjusting roller (243) capable of moving in the direction of an applied thrust force and applying a tension in the opposite direction of the thrust force to a conveyed object is provided with: a correction start signal generation section (181) that generates a correction start signal before the tension adjusting roller (243) moves to at least one of an upper end (243A) and a lower end (243B) of a movable region of the tension adjusting roller (243) in the direction of the thrust force; and an end position information recording section (19) that detects a case where the tension adjusting roller (243) has moved to at least one of the upper end (243A) and the lower end (243B) and records position information thereof.

The present invention discloses a method for replacing and correcting the main beam of a four-beam casting crane bridge. A three-dimensional adjustment bracket is used to assist in correcting the main beam of the replaced bridge. The main beam replacement and correction method specifically includes the following steps: X-direction correction to make the distance between the main trolley track on the new main beam and the original main trolley track on the original main beam meet the parameter requirements; Z-direction correction to make the horizontal height of the upper plane of the new main beam meet the parameter requirements; Y-direction locking to lock the corrected new main beam. The method for replacing and correcting the main beam of a four-beam casting crane bridge disclosed by the present invention can replace and correct the main beam of the four-beam casting crane bridge at the use site, without the need to pre-install, align, adjust, process and weld the bridge as a whole at the manufacturer, and then transport it to the use site, thereby saving maintenance costs, improving maintenance efficiency, and promoting efficient and safe production.

The present invention relates to a hexagonal tube correction method, which uses a high-precision hexagonal tube correction device for correction. The method includes the following steps: one end of the hexagonal tube is rotatably arranged, and the other end is movably inserted into a correction hexagonal sleeve, a driving hollow shaft, and a fixed hexagonal sleeve; an angle sensor detects the current deviation angle of the hexagonal tube and transmits it to a control device; the control device activates a clutch and a correction drive device, which drives the hollow shaft and the clutch to drive the correction hexagonal sleeve to rotate for correction; after correction is completed, the control device drives the correction hexagonal sleeve, the driving hollow shaft, and the fixed hexagonal sleeve to a set position via a moving device; the control device controls the clutch and the correction drive device to correct the correction; the correction is repeated until the entire hexagonal tube is corrected; the control device drives the correction hexagonal sleeve, the driving hollow shaft, and the fixed hexagonal sleeve to reset via the moving device, and the angle sensor detects the overall angular deviation of the hexagonal tube. This method achieves accurate correction angles and good correction effects.

The present application discloses a crane travel correction method, device, and crane, wherein the crane includes a power supply device, a travel device, and a power supply device, wherein the power supply device is connected to the travel device via a first connecting rod, and the power supply device is connected to the power supply device via a second connecting rod. The crane travel correction method includes obtaining a real-time angle between the first connecting rod and the second connecting rod; obtaining a lateral offset of the travel device based on the difference between the real-time angle and a preset angle; and when the lateral offset is greater than or equal to a preset threshold, adjusting the speed difference between the left and right tires of the travel device based on the lateral offset. The present application can solve the problem of lateral offset of the crane when the automatic correction / automatic travel system fails.

The invention relates to the technical field of welding, in particular to a butt-joint misalignment correction method and correction system for a large barrel. The butt-joint misalignment correction method comprises the steps that a supporting unit composed of V-shaped supporting frames is provided; the two supporting units are driven to horizontally move in the opposite direction for preliminary butt joint; the supporting state of the supporting frame to the cylinder body is changed; acquiring a pressure value through a first sensor below the first roller; and the lifting driving device connected below the supporting frames is driven to independently adjust the height of one or two supporting frames so as to change the height of the butt joint end of the corresponding barrel. The two clamping plates are rotationally butted to form the V-shaped supporting frame, the opening size of the V-shaped supporting frame is adjusted through the driver, the height of the barrel is reduced so that the barrel can be pressed on the detection rollers to apply pressure, and the height difference of the butt joint ends of the two barrels is determined based on pressure values obtained by the detection rollers on the two sides of the butt joint position. Therefore, the lifting driving device is used for finely adjusting the supporting frame so as to adjust the height of the butt joint ends of the barrels, and equal-height accurate butt joint of the two barrels is achieved.

The present application discloses a correction method, device, computer and storage medium for a bevel gear inspection machine, which performs an inspection process at different shaft angles within an operating range, obtains the current shaft angle α1, and adjusts the shaft angle to the tested shaft angle α2, obtains the first shaft displacement x1 and the second shaft displacement y1 at the shaft angle α1, and obtains the first shaft displacement x2 and the second shaft displacement y2 at the shaft angle α2, and performs lateral position adjustments of Z1 and Z2 on the first transverse main axis and the second transverse main axis in the width direction, respectively; the correction method, device, computer and storage medium for a bevel gear inspection machine provided by the present invention realize a specific correction process by adjusting the positions of the first transverse main axis and the second transverse main axis in the width direction based on the first shaft displacement x and the second shaft displacement y; it has the advantages of small adjustment and more accurate alignment of the entire system, and the operation process is more stable and precise.

This invention discloses a dedicated flatness correction device for telescopic booms, comprising: a base, on which a rack extending along its length, a first slide rail, and a second slide rail are disposed; a first support mechanism and a second support mechanism, both slidably disposed on the first slide rail for supporting the telescopic boom; and a correction mechanism, slidably disposed on the second slide rail and located between the first and second support mechanisms; the first support mechanism includes a first drive mechanism, the second support mechanism includes a second drive mechanism, and the correction mechanism includes a third drive mechanism; the first, second, and third drive mechanisms are all connected to the rack and pinion for transmission. This invention has a compact structure, can replace the traditional manual hammering correction method, effectively reduces hammer marks on the workpiece surface, improves surface quality, increases correction efficiency and accuracy, and reduces labor intensity.

The invention relates to a shifting fork tool and a correction method, and relates to the technical field of shifting forks, the shifting fork tool comprises a base plate, a positioning groove is formed in the base plate, an end positioning block is detachably connected in the positioning groove, the relative position of the end positioning block and the base plate is adjustable, and a pressing block is further detachably connected to the base plate. The ceramic pasting device has the advantage of being capable of improving the ceramic pasting precision.

To improve machining accuracy in a cutting machine in which a machining tool is moved linearly relative to a workpiece in the directions of the X-axis, Y-axis, and Z-axis, and rotated relative to the workpiece around the A-axis.SOLUTION: The coordinate correction method for a cutting machine includes: a first contact process in which a spindle 30 is moved in the X-axis direction to bring a detection tool 31 held by the spindle 30 into contact with a pin 32 held by a clamp 50 and obtain a first contact position; a first movement process in which the clamp 50 is moved a first distance in the Y-axis direction; a second contact process in which, after the first movement process, the spindle 30 is moved in the X-axis direction to bring the detection tool 31 into contact with the pin 32 and obtain a second contact position; and a correction process in which, based on the first contact position, the second contact position, and the first distance, the position coordinates are corrected so that the Y-axis is perpendicular to the A-axis when viewed from the Z-axis.SELECTED DRAWING: Figure 10

The invention provides a deformation correction method and device and a slicing machine. The method comprises the steps that the first deformation displacement amount of a first axle box and the second deformation displacement amount of a second axle box are obtained; according to the first deformation displacement amount and the second deformation displacement amount, the first actual relative displacement amount of the first axle box and the second axle box is obtained; and according to the first actual relative displacement and a preset first target thermal deformation model, the constant temperature of a first target axle box is adjusted, and the adjusted relative displacement of the first axle box and the second axle box is controlled to be smaller than the first actual relative displacement. The method is used for correcting the deformation of the shaft roller of the slicing machine, so that the slicing efficiency and the slicing quality are improved.

The application relates to the field of contact measurement technology, in particular to an eccentricity correction method for engine rotary body section measurement based on double-section features. The method comprises the following steps: centering and tilting with the upper and lower sections of an engine rotary body as the reference, recording the first height and the first eccentricity of the centering and tilting reference surface, the first eccentric angle, the first height difference between the upper and lower sections, calculating the relative eccentricity and the relative eccentric angle of the upper and lower sections; obtaining the second height of the measured section, determining the second eccentricity and the second eccentric angle of the measured section relative to the centering and tilting reference surface according to the first height, the second height, the first height difference and the relative eccentricity and the relative eccentric angle; determining the correction value according to the second eccentricity and the second eccentric angle; and performing eccentricity correction on the measured section according to the correction value. The eccentricity correction method for engine rotary body section measurement based on double-section features aims to solve the problem that the eccentricity value of the measured section of the engine rotary body is difficult to eliminate.

The present invention relates to a permeate tube member correction device used to improve the quality of permeate tube members and prevent deformation issues. The device comprises two fixed supports, one connected to a rotating shaft and the other mounted with a fixed plate. A hollow mandrel is rotated, causing a correction roller to roll along the inner wall of the permeate tube member, correcting its roundness and straightness. This prevents deformation caused by weight-induced cooling during production, ensuring better subsequent processing, installation, and use. Multiple correction rollers are inserted into the permeate tube member and expanded to contact its inner wall. This correction method applies circumferential rotation force, avoiding axial deformation caused by contact friction between the correction rollers and the inner wall when they enter the permeate tube member.

To provide a work-piece transport device and the like which can clamp a work-piece between a spindle unit (spindle mouthpiece) and a tail unit (tail mouthpiece) in the state that a central axis of the work-piece is coincident with a rotation axis of a cylindrical grinder.SOLUTION: A work-piece transport device comprises: a clamp mechanism 250 including a pair of claw parts 251a, 251b which clamp a work-piece W; a movement mechanism which moves the clamp mechanism; and a turning mechanism 260 which turns the clamp mechanism.SELECTED DRAWING: Figure 11

This invention discloses a fixture and method for correcting the roundness of the opening of a 360° conical thin-walled casting, belonging to the field of casting technology. The correction fixture includes a lower mold base, a bottom pad, a limiting block, a correction pad, a first correction block, and a second correction block. The inner wall of the lower mold base cavity is reserved with anti-deformation compensation to offset elastic rebound after correction, including 0.5° taper compensation and 0.25mm radial dimension compensation. During correction, the casting is placed in the cavity of the lower mold base. The conical surface of the first correction block converts the axial pressure borne by the second correction block and the correction pad into a uniform radial tightening force, forcing the opening of the casting to shrink inward and fit into the cavity. After pressure holding and aging, it is removed. This method solves the problems of low efficiency, poor accuracy, and easy secondary deformation caused by traditional manual correction, achieving efficient, accurate, and consistent correction of the roundness of the opening of conical thin-walled castings.

The invention belongs to the technical field of SMT chip mounters, and particularly relates to an automatic correction structure for a suction nozzle assembly of an SMT chip mounter. The suction nozzle assembly comprises a power motor for realizing driving, a suction nozzle connector connected to the bottom side of the power motor, a suction nozzle which is arranged at the end part of the suction nozzle connector and is used for adsorbing a surface-mounted component, and an air pipe joint which is connected to the upper surface of the power motor and is used for connecting a negative pressure pipeline; the mounting seat is connected to one side of the power motor through a longitudinal rotating assembly and a transverse moving assembly; and the assembling seat is connected to the top of the mounting seat through a horizontal rotating assembly. A second driving motor operates to drive a gear disc to rotate, the gear disc rotates to drive a guide sleeve to transversely move on the surface of a guide rail through a rack, and the guide sleeve transversely slides to drive the transverse position of a suction nozzle assembly through a longitudinal rotating assembly, so that the transverse position of a suction nozzle can be adjusted, and transverse position correction of suction nozzle material taking and placing is achieved; therefore, simultaneous chip mounting of multiple components of the device can be facilitated, and the chip mounting efficiency is improved.

The application discloses a feeding angle correction method and a bending center, wherein the feeding angle correction method comprises the following steps: preliminarily aligning a specified edge of a plate with a tool of the bending center; after the preliminary alignment, driving the plate to move along a feeding direction to the tool by a feeding shaft until the plate triggers at least one pair of sensors; recording a pair of position parameters of the feeding shaft by a control center; obtaining a compensation rotation angle between the specified edge and the tool according to the recorded pair of position parameters; before the feeding shaft continues to drive the plate to move along the feeding direction to the tool, judging whether to control a rotating shaft to rotate the plate based on the compensation rotation angle to reduce an actual angle between the specified edge and the tool according to a ratio of the compensation rotation angle and an upper threshold value and a predetermined ratio; and the two-point position parameter measurement method is used to predict the deflection angle of the plate, which is beneficial to eliminating the measurement error and improving the alignment accuracy of the plate.

The invention relates to the technical field of rotary deviation rectifying devices, and discloses an automatic loading double-arm rotary deviation rectifying device and a deviation rectifying method.The automatic loading double-arm rotary deviation rectifying device comprises a walking lifting portal frame, two transverse moving mechanisms, a rotary mechanism, a pallet fork front-back fine adjustment mechanism and a pallet fork arm, and the two transverse moving mechanisms are arranged on the left side and the right side of the top of the walking lifting portal frame; the two rotating mechanisms are arranged at the tops of the two transverse moving mechanisms, the two pallet fork front-back fine adjustment mechanisms are fixedly installed at the bottoms of the two rotating mechanisms, protection assemblies are arranged on the surfaces of the two pallet fork arms, and each protection assembly comprises a driving motor and a transmission bevel gear. According to the automatic loading double-arm rotation deviation rectifying device, the transverse moving mechanism, the rotating mechanism, the fork front-back fine adjustment mechanism and the probe are arranged, data are automatically scanned and collected, deviation is automatically rectified, the situation that materials fall off from the top of a fork arm when the materials are forked is avoided by arranging the protection assembly, and the stability of material carrying is guaranteed.

This invention discloses a feeding device for reducing pipes, including a feeding mechanism, a conveying mechanism, a transferring mechanism, and a pushing mechanism. The feeding mechanism and the transferring mechanism are located at the front and rear ends of the conveying mechanism, respectively. A groove is provided at the rear end of the conveying mechanism, with the upper opening width of the groove located between the outer diameters of the large and small ends of the reducing pipe. The transferring mechanism includes a rotating component and a clamping component. The output end of the rotating component is perpendicular to the conveying mechanism and connected to the clamping component. By using the conveying mechanism, the groove at the rear end of the conveying mechanism, and the transferring mechanism to adjust the posture of the reducing pipe, the device saves manpower and resources and improves feeding efficiency compared to previous manual correction methods. The conveying mechanism delivers the reducing pipe to its rear end; the above adjustment process simultaneously solves the two difficult problems of finding and distinguishing the large and small ends. This device features low error rate and high feeding efficiency.

The present application relates to a kind of non-regular section thin-walled casting top pressure type correction method and top pressure type correction tool, belong to thin-walled casting type correction technical field, solve the technical problem that the force, correction amount and general property of existing top pressure type correction device correction are not strong.The method includes: based on the absolute deformation of different deformation positions of casting, determine multiple top pressure type correction positions;Top pressure type correction device is set at all top pressure type correction positions, implement internal and external corresponding top pressure fixed;The absolute deformation of multiple top pressure type correction positions is obtained, and whether the absolute deformation of top pressure type correction position meets the casting profile requirement is judged;With the top pressure type correction point of not meeting the casting profile requirement, top pressure type correction point is top pressure type corrected using top pressure type correction device.It is realized that the accurate multi-point type correction clamping is accurately grasped, and the size of force point and correction amount can be accurately grasped, and it is easy to use.

The invention discloses a correction method for a pipe frame. The correction method comprises the following steps that S1, a fixing auxiliary support is arranged; s2, the pipe frame is pulled; s3, bracket installation; s4, the telescopic driving piece and the stand column deviation preventing device are installed; s5, the stand columns are cut; s6, reducing the height of the pipe frame; s7, correcting the perpendicularity; and S8, filling and reinforcing are conducted, after the perpendicularity is checked again, the cutting areas on the stand columns are reassembled, welded and reinforced through the cutting area blocks, and pipe frame correction is completed. The pipe support has the advantages that the height of the whole pipe support is reduced to achieve separation of the cross beam and the load, the pipe support can be in a free state after the height of the pipe support is reduced, and then the perpendicularity of the pipe support can be conveniently corrected.

This invention discloses a method for determining and correcting the parallelism of rolling mill axis, belonging to the field of metallurgical rolling mill equipment maintenance technology. The method involves pre-setting four coplanar reference points on the rolling mill stand to form a fixed reference plane; using a straight rod to press across the upper and lower rolling mill surfaces along two diagonal directions, ensuring the rod simultaneously contacts both rolling surfaces with both ends pointing to the corresponding reference points, and measuring four gap values; calculating the absolute value of the difference between the sum of the two sets of diagonal gaps, and comparing it with a threshold value to determine coplanarity; if the difference exceeds the tolerance, adjusting the thickness of the shims in one set of diagonal directions so that the sum of the adjustments equals the absolute value of the difference, while keeping the other set unchanged. After static correction, a lubricant indicator is applied to the center of the rolling surface, and the mill is run without load. The vertical gap is adjusted to make both sides equal, and the shims are dynamically adjusted according to the spiral line until there is no spiral line. This invention requires no precision instruments, is easy to operate, and can achieve high-precision correction through both static and dynamic methods.