701 results about "Generatrix" patented technology

The invention discloses a rotating body ancient building part model reconstruction method based on a least square method, and relates to the technical field of model reconstruction analysis, and the method comprises the steps: obtaining ancient building part point cloud through employing a three-dimensional laser scanning technology; the historic building part point cloud is sliced and projected to a horizontal plane, a circle is fitted by using a least square method, circle center coordinates are extracted, and the position of a rotating shaft is determined. According to the method, the precision of model reconstruction is effectively improved by accurately extracting the rotating shaft and fitting the rotating generatrix, high-precision point cloud data is obtained by using a three-dimensional laser scanning technology, and accurate extraction of the rotating shaft and the rotating generatrix is ensured through the steps of slicing, projection, least square fitting and the like; a non-uniform rational B-spline curve is adopted to fit a rotating bus, the rotating bus is rotated around a rotating shaft to reconstruct a three-dimensional model, the three-dimensional model of the ancient building part model is parameterized, the geometric accuracy of the model is further improved, and the reconstructed model can more accurately reflect the actual shape and size of the ancient building part.

The invention discloses a free curve feature design optimization method, which comprises the following steps of: constructing a free curve feature region containing a central bus, and setting the direction and the position of the central bus to obtain a free curve feature region; a two-dimensional coordinate transformation formula is adopted to transform the free curve characteristic area from a global coordinate system to a local coordinate system with a central bus as an X axis, and bending control of the structure in any direction is achieved; a height function is utilized to describe changes of a longitudinal boundary, an implicit modeling mode is adopted to construct a region boundary with a longitudinal coordinate smaller than a height function value, and adjustability of the longitudinal form of a feature region is achieved by controlling parameters of the height function. The method has the advantages that through free curve feature modeling, flexible expression of a complex structure form and precise boundary control are achieved; meanwhile, by taking control parameters as design variables and combining an iterative optimization algorithm, the structural layout is optimized, the performance is improved, the boundary is ensured to be clear, and dual optimization of the structural performance and the design freedom degree is achieved.

The invention relates to the technical field of spring quality detection, in particular to an online intelligent detection method and system based on a spring integrated punch forming part, and the method comprises the steps: marking a plurality of reference points, and preparing a conical blank; determining whether the pre-pressed inner circle is qualified or not based on the first ring distance standard deviation, and determining whether the pre-pressed outer circle is qualified or not based on the second ring distance standard deviation; the pressure distribution of the male die in the main pressing process is adjusted based on the judgment result that the deviation of the pre-pressing inner circle and the deviation of the pre-pressing outer circle are consistent; preparing a semi-finished spring, determining a plurality of cone generatrixes, and compensating a mold gap according to the angle deviation proportion of the cone generatrixes; preparing a finished spring, and optimizing pressure distribution according to the thickness standard deviation of the finished spring; the system comprises a data acquisition module for acquiring data, a data preprocessing module for preprocessing the acquired data, and a detection control module for controlling an online detection process. The production quality of the spring is improved.

The invention belongs to the technical field of ships, and discloses a parabola-shaped rotary air duct for a ship. The parabola-shaped rotating air duct for the ship comprises an air duct body, the air duct body is rotationally installed on a deck of the ship, the air duct body extends in the vertical direction, the air duct body is a rotating body, the generatrix of the air duct body is a parabola, and the parabola serves as the generatrix to enable the air duct body to be in the shape of a cylinder contracting towards the two ends. Under the same thrust, the height of the air duct body is obviously reduced, meanwhile, the gravity center of the air duct body is obviously reduced, the stability of the air duct body and a ship is improved, and the air duct can easily pass through a height limiting area; the radius of the contact face of the air duct body and the deck is smaller, the occupied area of the deck can be reduced, and arrangement and port operation are easier.

To provide a terminal board and a manufacturing method of the terminal board, which are capable of improving assemblability with respect to a housing.SOLUTION: A terminal board 1 includes a bus bar 10, a housing 20 provided with an insertion space part 21 into which a second connection part 12 of the bus bar 10 is inserted along an axial direction X, a packing 30 that is inserted into the insertion space part 21 together with the second connection part 12 and seals an annular space between an outer surface of the second connection part 12 and an inner surface of the insertion space part 21, and a packing holder 40 that has a bus bar insertion part 41 through which the second connection part 12 is inserted along the axial direction X, and which is inserted into the insertion space part 21 in a state in which the second connection part 12 is inserted into the bus bar insertion part 41, the other end surface 40a in the axial direction X is in contact with the packing 30, and one end surface 40b in the axial direction X is in contact with a planar part 13a.SELECTED DRAWING: Figure 5

The invention is suitable for the technical field of tapered-straight composite shell ring processing, and provides a processing method of an integrated tapered-straight composite shell ring, which comprises the following steps: S1, cutting and blanking a steel plate according to the size of the tapered-straight composite shell ring, and cutting out a plate material; s2, preparation work before machining is conducted on the plate material, wherein the preparation work at least comprises groove machining, two-side edge pre-bending and generatrix, symmetric center line and step line drawing; s3, according to the drawn step line, pressing forming is conducted on the plate through a top pressing type plate bending machine, and a formed workpiece is of a composite structure of a semi-cylindrical pipe section and a semi-conical pipe section; s4, the formed workpiece is shaped; and S5, the two shaped workpieces are folded and welded, and the conical and straight composite shell ring is formed. Therefore, not only is the specific process problem of the integrated cone-straight composite shell ring in the bending forming process solved, but also the core advantages of no annular weld joint, high continuity and high performance pursued by the integrated design are achieved by guaranteeing the manufacturing precision and consistency of the integrated cone-straight composite shell ring.

The ink-jet printing device comprises a printing trolley, a supporting cross beam, a supporting clamp of a rotating mechanism, an automatic angle adjusting device of the rotating mechanism and a control system, in the printing process, a spray head is located above a to-be-printed area, and when the to-be-printed object rotates by one circle, the spray head is located above the to-be-printed area; the nozzle steps by a fixed distance along the bus direction of the to-be-printed object, the fixed distance is N times of the distance between two pixel points in the resolution of the to-be-printed image, N is a positive integer, the nozzle continuously jets ink droplets to form an image-text in the stepping process, and the to-be-printed object rotates at a constant speed around the rotation center axis of the to-be-printed object while ink is jetted. According to the dynamic micro-deviation printing mode, the printing efficiency is improved while the inkjet effect is guaranteed, and the dynamic micro-deviation printing mode can be used for printing various curved-surface objects.

The invention discloses a one-way weaving method and equipment for a composite material S-shaped air inlet channel cylinder, and relates to the technical field of composite material weaving. A one-way weaving method for a composite S-shaped air inlet duct cylinder comprises the following steps that a weaving core mold is designed according to the geometric shape of the S-shaped air inlet duct cylinder, and a moving track generatrix of the weaving core mold is designed; according to the layer laying angle design requirement of the S-shaped air inlet channel cylinder, the robot motion control system drives the weaving core mold to do reciprocating motion along the moving track generatrix, the process parameters of the two-dimensional weaving machine and the single yarn winding machine are controlled, the surface of the weaving core mold is coated with a one-way weaving layer and a 90-degree yarn layer, and a weaving prefabricated body is obtained; and carrying out vacuum infusion, resin curing and demolding treatment on the woven prefabricated body to obtain the finished product S-shaped air inlet channel cylinder. The surface of the weaving core mold is coated with the one-way weaving layer and the 90-degree yarn layer, so that the in-plane mechanical property of the S-shaped air inlet channel cylinder can be improved, the annular pressure bearing capacity of the S-shaped air inlet channel cylinder is enhanced, and light weight is achieved.

The invention discloses an anti-loose structure nut and a using method thereof, and the anti-loose structure nut is composed of an upper nut and a lower nut; one end of the upper nut is of a conical surface structure, and the inclined angle of the conical surface structure relative to the central axis of the upper nut is 16 degrees; a groove is formed in the conical surface structure; the upper portion of the lower nut is an inner taper hole, the lower portion of the lower nut is a straight hole, and the included angle between inclined generatrixes on the two sides of the inner wall of the inner taper hole is 16 degrees. The diameter of the inner taper hole is smaller than that of the conical surface structure. The using method comprises the following steps that (1) the lower nut is screwed into the bolt penetrating into the interlayer; and (2) screwing the upper nut into the inner taper hole of the lower nut by adopting a hexagonal wrench. The device is simple in structure and easy to process and manufacture; common carbon steel or stainless steel materials are adopted, so that the manufacturing cost is low; the locking torque is large and stable, and the anti-loosening performance is excellent; during installation, the locking torque can be adjusted according to actual requirements; and the locking torque is stable and reliable, and can be repeatedly disassembled and used.

To provide a terminal block capable of absorbing a tolerance between a first connection terminal and a second connection terminal.SOLUTION: A terminal board 1 includes a bus bar 10, a housing 20 provided with an insertion space part 21 into which a second connection part 12 of the bus bar 10 is inserted along an axial direction X, a packing 30 that is inserted into the insertion space part 21 together with the second connection part 12 and seals an annular space between an outer surface of the second connection part 12 and an inner surface of the insertion space part 21, and a bus bar insertion part 41 through which the second connection part 12 is inserted along the axial direction X. A packing holder 40 that is inserted into the insertion space part 21 in a state where the second connection part 12 is inserted into the bus bar insertion part 41 and the packing 30 is supported in the axial direction X is provided, and the first connection part 11 is configured to include a notch part 15 for allowing deformation of the first connection part 11.SELECTED DRAWING: Figure 6

The invention provides a high-precision positioning method and system for a solid insulation tubular busbar embedded foundation. The method comprises the following steps: respectively carrying out fine construction on a transformer, a switch cabinet and a prefabricated cabin embedded foundation according to first, second and third types of standards based on an electrical layout diagram; acquiring a basic point cloud by using a portable laser scanner, and performing multi-station complementary scanning, denoising and densifying in case of shielding; registering and fusing the point cloud and the equipment graph in the BIM, automatically fusing when the deviation is smaller than a first threshold value, semi-automatically correcting when the deviation is between two threshold values, and manually intervening when the deviation is larger than a second threshold value; simulating a pipe bus path in the combined three-dimensional model, automatically optimizing conflicts, and re-planning if the curvature does not conform to; flexible connection is arranged between the end of the transformer and the outlet of the prefabricated cabin, and the flexible connection is prolonged or customized according to deviation selection standards. The construction precision and efficiency of the solid insulation tubular busbar embedded foundation can be improved, the stability and reliability of equipment installation are enhanced, the operation and maintenance cost is reduced, and the overall operation quality of a transformer substation is improved.

The invention relates to the technical field of shape deviation detection, in particular to a pressure vessel shape deviation detection device and method based on laser scanning, the pressure vessel shape deviation detection device comprises a handheld laser 3D scanner and further comprises a frame body, the side, close to a vessel tank, of the frame body is detachably connected with the scanner, and equidistant assemblies are symmetrically installed on the frame body; the ends of the two equidistant assemblies are in contact with the surface of the container tank, the two equidistant assemblies and the scanner form a triangle, and laser emitted by the scanner is perpendicular to the midpoints of the two equidistant assemblies; the ends of the two rotating pieces are attached to the peripheral face of the container tank, it is guaranteed that the distance between the scanner and the container tank is not changed, meanwhile, it can be guaranteed that the central axis of the container tank, the generatrix of the container tank and the path of laser emitted by the scanner are located on the same plane, and therefore the problem that in the prior art, due to distance measurement and scanning angle changes, the scanning precision is poor is solved. And the cylindrical container tank part is not scanned, so that repeated scanning is needed.

To provide a terminal board capable of absorbing a tolerance between a first connection terminal and a second connection terminal.SOLUTION: A terminal board 1 includes a bus bar 10, a housing 20 provided with an insertion space part 21 into which a second connection part 12 of the bus bar 10 is inserted along an axial direction X, a packing 30 that is inserted into the insertion space part 21 together with the second connection part 12 and seals an annular space between an outer surface of the second connection part 12 and an inner surface of the insertion space part 21, and a bus bar insertion part 41 through which the second connection part 12 is inserted along the axial direction X. A packing holder 40 that is inserted into the insertion space part 21 in a state where the second connection part 12 is inserted into the bus bar insertion part 41 and the packing 30 is supported in the axial direction X is provided. The bus bar insertion part 41 is configured to include a first gap S1 for allowing deformation of the second connection part 12 in a plate thickness direction Z.SELECTED DRAWING: Figure 6

The invention relates to the technical field of U-shaped busbar production and processing, in particular to U-shaped busbar electroplating equipment capable of eliminating hanging blind areas and an electroplating method.The U-shaped busbar electroplating equipment capable of eliminating the hanging blind areas comprises an electroplating pool and a truss and further comprises a transverse moving frame movably arranged on the truss, the transverse moving frame can move in the length direction of the truss, and a transverse table capable of ascending and descending is arranged on the transverse moving frame; the vertical plate is fixed to the bottom of the transverse table, the two sides of the vertical plate are each provided with a plurality of columns distributed at equal intervals from top to bottom, the columns are used for hanging parts to be electroplated, and the columns can be driven by an elastic mechanism arranged on the vertical plate to move towards or away from the vertical plate; the movable columns are arranged on the vertical plate to suspend the part to be electroplated, and can be driven by the elastic mechanism to be pulled out of the through hole in the part in the electroplating process, so that the conduction area of the through hole is recovered, comprehensive electroplating treatment can be carried out in the through hole, and the electroplating efficiency is improved. And the problem of a local electroplating blind area caused by a conventional hanging electroplating means is effectively avoided.

The invention provides a lemniscate-shaped annular milling cutter and a design method, and relates to the technical field of milling cutter design, the lemniscate-shaped annular milling cutter comprises a cutter head part and a cutter handle part, the cutter head part is composed of an end edge part and a circumferential edge part, and the end edge part rotates by adopting a rotation generatrix composed of a Bernoulli lemniscate boundary curve and a transition arc to form a lemniscate ring surface; a spiral cutting edge is generated through an equal-spiral-angle edge line model, so that uniform distribution of cutting force and smooth chip removal are ensured; and the circumferential blade part intersects with the equal-helix-angle blade line through the cylindrical surface to form a spiral cutting edge. According to the design, cutting vibration is reduced through the variable curvature characteristic of the lemniscate, cutting force distribution is optimized, and meanwhile the chip removal capacity is improved by combining the equal helix angle design.

The invention discloses an automatic film perforating machine, and relates to the technical field of perforating machines, the automatic film perforating machine comprises a needle roller mechanism mounted on a rack, the needle roller mechanism comprises a turntable and a plurality of needle roller units, the turntable is rotatably connected to a bearing seat, and the needle roller units are radially and slidably connected to the turntable to form a round roller structure; each needle roller unit comprises a sliding part in sliding connection with the rotating disc, a barrel rod in rotating connection with the sliding part and a plurality of needle rows arranged on the peripheral side of the barrel rod, the needle distances on the needle rows are unequal, and each needle roller unit can enable any needle row to be switched to the generatrix of the round-roller-shaped structure through autorotation of the barrel rod; and the needle roller units slide synchronously to disperse or fold so as to adjust the distance between the adjacent needle rows on the generatrix of the round roller-shaped structure. Adjustment of the transverse distance and the longitudinal distance is rapidly achieved on the same needle roller mechanism, the punching requirements of different hole types can be met without replacing the needle roller mechanism, and the production continuity and efficiency are remarkably improved.

The invention discloses a spinning-additive composite forming process method for a copper-nickel bimetal complex curved busbar component, and particularly relates to the technical field of material forming. The copper-nickel bimetallic component in a complex shape can be machined through spinning-additive composite machining, and the method is suitable for manufacturing a complex curved generatrix metal component. By optimizing the technological parameters of spinning and electric arc material increase, the structure property of the material can be effectively improved, and the forming precision can be improved. The method comprises the following steps that a copper alloy cylindrical part blank is preheated within the temperature range of 400 DEG C, and it is ensured that the material has proper plasticity; a spinning die suitable for a complex curved bus is designed, multi-pass spinning is carried out, and the needed curved bus copper alloy component is machined step by step; then nickel-based alloy is added to the surface of the component, and secondary spinning is carried out to obtain a bimetallic component with high bonding strength; the material is subjected to uniform plastic deformation by adjusting the pressure and the feeding rate of the spinning roller; and finally, post-treatment is conducted, residual stress is eliminated, and the geometric accuracy of the formed part is ensured.

The application discloses a puncture assisting device for interventional therapy and belongs to the technical field of neurology. The puncture assisting device comprises a hoop, a cap body in rotational cooperation with the hoop, a first locking member for fixing the hoop and the cap body, the cap body is semispherical, a first opening slot is formed in the cap body along the generatrix of the cap body, and a puncture assembly is slidably arranged in the first opening slot along the length direction of the first opening slot. The puncture assembly comprises a puncture needle, a first ball and a second ball fixed to the outer side of the puncture needle, an arc-shaped slot matched with the second ball is formed in the side wall of the first opening slot, the first ball is matched with a ball sleeve, the ball sleeve is fixedly connected with a guide rod, a sliding support is slidably arranged on the cap body, a guide hole matched with the guide rod is formed in the sliding support, and the guide rod and the sliding support are fixed through a second locking member. The device can position the puncture needle before puncture, is stable in positioning and convenient to adjust.

This invention discloses a method for analyzing the meridional strain of air springs based on piecewise integration of elliptical arc length, belonging to the technical field of vehicle suspension systems or rubber elastic elements design. The method includes the following steps: approximating the arc segment from the top of the air spring generatrix to the outermost bulge point as the first quadrant of an ellipse, determining the major and minor semi-axes of the reference and inflation states; introducing normalized coordinates to establish a linear mapping of the abscissas of the two states, constructing an elliptical arc length infinitesimal element and transforming it to the same interval for integration; dividing the interval into even-numbered equal parts, using the complex Simpson method to obtain the arc length piecewise, calculating the ratio of the inflation arc length to the reference arc length as the elongation ratio, and taking the natural logarithm to obtain the true meridional strain of each segment of the generatrix; this invention can accurately describe the non-uniform deformation of each segment of the generatrix during air spring inflation, providing a basis for strain prediction and fatigue assessment.

The invention belongs to the technical field of fixing fitting machining, and provides copper bus fixing fitting welding equipment which comprises a base, mounting seats are arranged on the two sides of the top of the base, an arc-shaped mounting frame is arranged above the mounting seats, a top plate and a bottom plate are movably connected to the top and the bottom of the mounting frame correspondingly, and a welding gun is arranged below the bottom plate; a telescopic assembly is arranged between the welding gun and the bottom plate, an adjusting assembly is arranged at the joint of the top plate and the mounting frame and the joint of the bottom plate and the mounting frame, and a rotating assembly is arranged at the joint of the mounting frame and the mounting base. By arranging the telescopic assembly, the adjusting assembly and the rotating assembly, the device can adjust the height, the transverse angle and the vertical angle of the welding gun, and therefore the device can be suitable for welding work of fixing fittings of different sizes and models.

The utility model discloses bus strength stress test equipment, which comprises a detection support, a fixed processing structure and a stretching and bending structure, the fixed processing structure and the stretching and bending structure are mounted on the detection support, and relates to the technical field of bus testing, in particular to a self-adaptive clamping system. An electromagnetically driven arc extrusion block is adopted to be matched with a liftable convex block, stepless pressure adjustment is realized through magnetic force conduction, and a horizontal telescopic spring buffer mechanism is combined, so that a bus can be tightly fixed, machining impact can be absorbed, and clamping stability is ensured; multi-dimensional deformation control is achieved, a cross-shaped extrusion support is carried on a rotary extrusion circular ring pipe, 360-degree dynamic extrusion can be conducted on a bus in cooperation with four sets of concave wheels driven by electromagnetic repulsion, and precise closed-loop control over the stretching strength is achieved in cooperation with real-time monitoring of a pressure sensor.

The invention discloses a design method of a uniform condensing lens with wide angular domain receiving performance, which relates to the technical field of space solar power stations and comprises the following steps: constructing energy equations of each receiving area and a plurality of lens ring teeth corresponding to the receiving area by taking uniform energy distribution on each receiving area as a constraint; wherein the lens ring teeth are located on the emergent surface of the lens, and light enters from the incident surface of the lens and reaches each receiving area after being refracted; determining a lens ring tooth number corresponding to each receiving area according to a preset condensation ratio and an energy equation; analyzing the influence of the inclination angle of the lens ring tooth on the optical characteristics of the lens ring tooth, and obtaining the critical value of the inclination angle of the lens ring tooth and the optimal focal length of the lens; and designing a generatrix of the lens, and constructing a uniform condensing lens function with wide-angle-domain receiving performance so as to realize parameter design of the lens. The problem that the condensation efficiency and the light spot uniformity are suddenly reduced during non-vertical incidence of light can be effectively solved.

The invention relates to a support (10) for a bus bar (20) comprising two parts (11, 12) each having two surfaces (11a, 11b, 12a, 12b) preferably substantially planar and perpendicular to each other, arranged to form with the two surfaces of the other part among said two parts (11, 12), a through cavity or a passage; a base (11c, 12c) comprising a hole or a fixing means, and, a complementary shape (11f, 12f) to a shape (11f, 12f) of the other, among the two parts (11, 12), arranged to form together with said shape (11f, 12f) of the other among the two parts, a fastener (1112) between the two parts (11, 12). Advantageously, it is thus possible to obtain a support (10) for a bus bar (20) which is solid, reliable, easy and quick to assemble and inexpensive. Fig. 2

The invention relates to a large-aperture spherical optical element bus on-line detection device which comprises a bottom supporting structure, an X-direction detection assembly and a Z-direction detection assembly. Wherein the supporting mechanism is mainly formed by welding a heavy-load type Foma wheel, a top transverse square pipe, a top mounting plate, a supporting stand column square pipe, a reinforcing rib square pipe and a bottom transverse square pipe; the X-direction detection assembly is mainly composed of a grating ruler, an A servo motor, a speed reducer, a large coupler, a lead screw and a linear guide rail. The detection assembly in the Z direction is mainly composed of a contact type length gauge, a servo motor B, a small coupler and a lead screw module. The device is used for online precise detection of generatrix data of a large-aperture spherical optical element by detection personnel, is especially suitable for large-aperture, heavy-weight and difficult-to-overturn spherical optical elements, and can accurately detect the generatrix data of the large-aperture spherical optical element by adjusting the displacement of the precise detection element in the X and Z directions and the measuring range of the contact type length gauge. And on-line detection is carried out on detected optical element buses with different calibers, thicknesses and bus depths.

The invention relates to a method and device for designing a spatial streamline inlet of a rotational flow separator, and the method comprises the steps: determining an inlet angle alpha, a wrap angle beta, an incident angle gamma and an overturning angle theta of the inlet of the rotational flow separator according to the performance requirements of the rotational flow separator; the method comprises the following steps: selecting a control point at a rotational flow separator, generating a basic shape of a characteristic bus of the spatial streamline inlet through a spline curve equation, then selecting a type value point to carry out iterative optimization on the bus shape, and determining a final curve shape of the spatial streamline inlet through an entrance angle, a wrap angle, an incident angle and a flip angle; based on the inlet shape of the rotating flow separator, the section shape of a space streamline inlet is designed through a Bezier curve equation; and according to the final curve shape and the section shape of the spatial streamline inlet, the spatial streamline inlet structure of the rotating flow separator is determined. Compared with the prior art, pre-separation of particles / liquid drops is achieved through fluid inertia accelerated rotation, and the separation efficiency of the hydrocyclone is improved.

To provide a joint connector excellent in versatility.SOLUTION: The joint connector 1 includes the housing 10 having the fitting recess 14 into which the mating connector is to be fitted, the joint terminal 20 having the busbar portion 21 for connecting the plurality of circuits belonging to the mating connector and the plurality of terminal portions 22 extending toward the mating connector in the fitting recess 14 and connected to the busbar portion 21, and at least one magnetic member 30 for noise reduction to be accommodated into the housing 10 to correspond to at least one of the plurality of terminal portions 22. Each of the plurality of terminal parts 22 has a bent part 23 bent in a shape projecting in a direction different from the direction between the tip and the base end of the terminal part 22, and the magnetic member 30 has a hole part 31 into which the bent part 23 of the corresponding terminal part 22 can be inserted.SELECTED DRAWING: Figure 1

Embodiments of the present application disclose a vector elbow centerline acquisition method and device, computer equipment and a storage medium. The method comprises: importing a three-dimensional model; using OpenCascade technology to acquire the outer surface of the pipe material of the three-dimensional model; using OpenCascade technology to make an equal parameter curve of the outer surface along the generatrix direction; using OpenCascade technology to create an intersection surface with the parameter curve inside the equal parameter curve as a boundary; and acquiring the intersection line of the intersection surface to obtain the elbow centerline. The method of the embodiments of the present application can improve the accuracy of the elbow centerline acquisition, and is suitable for various complex bending component models and has high efficiency.

An electron beam selected area additive rotation body part automatic polishing method, comprising using three-dimensional scanning point cloud data as input, reducing data amount and removing noise points, then using ICP algorithm for point cloud matching, and matching the point cloud data to the template point cloud; extracting the region of interest required for path point calculation, using octree to obtain path points, and then using shared bus equation to remove abnormal points for fitting, finally obtaining path points; the obtained path points are segmented by convolution region, non-convolution feature is recognized, and path layers are equally spaced, to obtain the planned machining path and the matching parameter package; using positioning rotary tooling and force feedback module, real-time monitoring, feedback, adjustment and accurate execution of the preset contact force are realized, so that the polishing tool follows the surface profile change of the workpiece in real time, and the force and stroke of the polishing tool are displayed in real time, completing the conformal quantitative polishing of the part, and improving the problem that the existing additive manufacturing rudder surface product post-processing efficiency and precision are limited.

The utility model provides a novel intensive bus duct, which comprises a shell, connecting side plates, separators and busbars, the shell is provided with an accommodating cavity with two open ends, the accommodating cavity is divided by the separators to form a plurality of accommodating grooves, and the busbars and the accommodating grooves are arranged in a one-to-one correspondence manner to form an inner splicing type structure. A plurality of busbars can be integrally arranged in one shell, so that the space layout is optimized, the space utilization rate is improved, heat dissipation is facilitated, the performance of the bus duct is improved, and the service life of the bus duct is prolonged; the connecting side plates are oppositely arranged at the opening end of the shell, are used for protecting the joint part of the busbar, and are in nested connection with the bus connecting structure; the shells and the connecting side plates are integrally formed, so that the overall mechanical strength is improved, the shells of the two groups of bus ducts do not need to be manually aligned and fixed, the assembly process is simplified, the assembly difficulty and time are reduced, and the stability and reliability of the bus duct are improved due to the reduction of connecting points and the reduction of fault risks.