162 results about "Free edge" patented technology

The invention relates to a radial frequency-doubled sound filtering metamaterial and a topological optimization design method thereof.The radial frequency-doubled sound filtering metamaterial comprises scatterers which are arranged on a base body and distributed in a concentric circle mode, and the topological optimization design method comprises the following steps that a two-dimensional axial symmetry model is established, the two-dimensional axisymmetric model corresponds to the cross section of the radial frequency-doubled sound filtering metamaterial in the radius direction and comprises periodically arranged unit structures, and each unit structure comprises a main board and a square design domain; a Floquet periodic boundary condition is applied to parallel boundaries of a unit structure in the radius direction, other boundaries are set as free boundaries, a genetic algorithm is adopted to carry out iterative optimization on the material distribution topology of a square design domain, the optimal material distribution topology of the square design domain is obtained, and then the final optimized shape of the radial double-frequency sound filtering metamaterial is obtained. Compared with the prior art, the invention has the advantages of capability of realizing omni-directional sound wave frequency doubling filtering, high design reliability and the like.

Example embodiments of the present invention include a machine body including a frame and an exterior body. The exterior body includes an openable first exterior cover, an exterior element adjacent to the exterior cover, and a sealing element to seal a gap between the exterior cover in the closed state and the exterior element. The sealing element includes a fixed piece portion fixed to one of the exterior cover and the exterior element, and an elastically deformable curved piece portion including a first edge portion continuous with one edge of the fixed piece portion, and a second edge portion which is a free edge, the curved piece portion including a curved intermediate portion convex toward the other of the exterior cover in the closed state and the exterior element, and being configured to contact the other of the exterior cover in the closed state and the exterior element.

The utility model discloses small-part-material double-face grinding equipment with an automatic tool changing function. The small-part-material double-face grinding equipment comprises a double-cutter-head power head unit, a tool changer unit, a workbench unit and a base frame. The double-cutterhead power head unit is slidably mounted on the base frame through the horizontal moving mechanism, and the tool magazine unit is mounted on one side of the double-cutterhead power head unit on the base frame and can ascend and descend on the base frame; the double-cutterhead power head unit comprises an upper cutterhead mechanism and a lower cutterhead mechanism which are oppositely arranged up and down, the upper cutterhead mechanism and the lower cutterhead mechanism are arranged on a base plate mounted on the horizontal moving mechanism, and cutterhead groups of chamfering assemblies of the upper cutterhead mechanism and the lower cutterhead mechanism are oppositely arranged and are respectively used for simultaneously chamfering the upper end face and the lower end face of a workpiece; the working table unit is arranged on the base frame, the working table unit is provided with an oppositely-opened table plate which can be driven by the platform driving mechanism to be opened and closed on the base frame, and the tool magazine unit is provided with a plurality of cutter head sets with blades opposite in cutter face direction and used for replacing the cutter head sets of the upper cutter head mechanism and the lower cutter head mechanism. The upper cutterhead mechanism and the lower cutterhead mechanism can conduct chamfering machining on the upper end face and the lower end face of the free edge of a workpiece steel plate at the same time, meanwhile, the upper cutterhead mechanism and the lower cutterhead mechanism are matched with the tool magazine unit, automatic tool changing of the cutterhead mechanisms can be achieved, tool changing is automatically completed in the running process, and the machining efficiency is improved.

The invention discloses a file box with a built-in anti-edge-warping structure, which is applied to the technical field of human resource office supplies, and can form effective protection for an area with high edge warping rate, namely the unbound side of a file in a file, so that the defect that a traditional structure insufficiently restrains a free edge is overcome, the coverage range of the anti-edge-warping structure is greatly widened, and the file box is convenient to use. The problem that the unbound side is warped upwards due to the fact that binding constraint does not exist and paper fibers are prone to being affected by environment humidity or stacking pressure is avoided, the design has the flexible attaching characteristic, paper scratching or local deformation caused by hard contact can be avoided through elastic buffering when the paper is in contact with the paper, the file storage integrity is guaranteed, and the file storage efficiency is improved. The storage requirements of files with different thicknesses can be met, and the use convenience is improved; according to the file box, the anti-edge-warping requirements of files of different specifications can be met, the application range of the anti-edge-warping of the file box is greatly widened, and targeted protection can be achieved for the files of the conventional size or the special specification.

A piece of furniture (1) comprising an elongated tubular member (4) that has a longitudinal extension direction (5) and at least one component (6, 11) that is adapted to be firmly connected to the elongated tubular member (4) in a way that it extends transversally outwards from the tubular member. The elongated tubular member (4) comprises a slot structure that comprises at least one slot that extends throughout a thickness of a wall of the elongated tubular member (4). The slot has a wide region and a narrow region, wherein the at least one slot is oriented with its narrow region distant from a free edge of the elongated tubular member (4) at one end of the elongated tubular member. One of the at least one component (6, 11) comprises a connection projection, wherein the narrow region of the slot is adapted to receive the connection projection for firmly connecting the component (6, 11) relative to the elongated tubular member (4), wherein the connection projection is adapted to be inserted in the wide region of the slot and moved towards the narrow region of the slot during assembly, wherein the slot structure is arranged adjacent the end of the elongated tubular member (4). Further, the end of the elongated tubular member (4) is open in the longitudinal extension direction of the elongated tubular member (4), wherein the piece of furniture (1) comprises an end cap structure for attachment to the open end of the elongated tubular member (4) and wherein the end cap structure is adapted to engage with the component (6, 11) in an assembled state for maintaining the connection projection in the narrow region of the slot.

TITLE. Flexible fabric or blind incorporating a weight bar. A flexible fabric (1) or blind for sheltering or closing an opening in a wall, which can be rolled up by rotation around a winding mechanism, and which is equipped with a weight bar consisting of a profile (2) fixed to a free edge of the fabric (1) located opposite a portion of the fabric (1) attached to the winding mechanism. The free edge has a flexible end seal (10) elastically extending from the fabric (1), one face of which is fitted with a hollow rod (12) adapted to clip into a groove (21) in the profile (2) via an upper opening (23) in said groove (21) with a width less than the width of the rod (12). Two end pieces (30), (33) are fixed to each end of the profile (2), together forming removable locking means for a terminal portion of the end seal (10) protruding from the profile (2). Figure for the abbreviation: Fig. 1

A sealed electronic antenna box includes: a rigid chassis having a first opening at one of the edges of the chassis; a rigid cover having a second opening at one of the edges of the cover; an electronic board having an antenna region close to one edge of the electronic board. The board mounted in the box such that an upper face of the antenna region faces the first opening in the chassis and a lower face of the antenna region faces the second opening in the cover. A cap engages an edge of the electronic board to cover the antenna region and the first and second openings. A seal overmolded on an external surface of the cap, extends along the free edges of the cap. When the cover and chassis are mounted on the electronic board, the seal is compressed against a surface of the chassis and the cover.

The invention relates to a device (2) for the thermal regulation of components (4), which device comprises: a housing (30) defining a compartment (60) configured to receive the components; - a dielectric fluid flow channel (6) in this compartment, which channel (6) comprises at least one dielectric fluid inlet and outlet (8, 10); - two separators (12) arranged to receive the components (4) such that these components (4) extend through the separators (12) and on either side thereof, which separators (12) are configured to create at least three stages of dielectric fluid flow, the separators being arranged such that the dielectric fluid entering through the inlet successively passes through the stages (E1, E2, E3), which each define a section (26) of the channel (6), and the separators (12) each comprise a free edge (27) so as to create a fluid passageway between two stages.

The present application provides a fender for a liquid tank, the fender having: an outer contour configured to be at least partially connected with an inner wall of a tank body of the liquid tank; a free edge connecting opposite ends of the outer contour and passing through an inner cavity of the tank body when the fender is installed into the tank body of the liquid tank; a wall region being a single-layer wall member extending between the outer contour and the free edge and being curved; a projection of the wall region on a reference plane perpendicular to the free edge is a curve with continuously changing curvature, wherein any two adjacent sectors with the same length on the curve have different rates of change of curvature. The fender of the present application can better match the load. The present application also provides a liquid tank and a tank container having the above fender.

A hybrid package is provided and comprises a wall formed from a paper or paper-based material and a frame formed from a plastics material. The frame includes a step which is positioned against a free edge of the wall, whereby one or more exposed edges of the wall are protected by the frame.

The utility model discloses a free edge grinding device and free edge grinding equipment, and relates to the technical field of shipbuilding, the free edge grinding device comprises a clamp, a cutter assembly and a driving motor, the cutter assembly is installed on the clamp and comprises a movable shaft extending in the first direction and two cutter heads fixedly installed on the movable shaft, and the driving motor is installed on the movable shaft. The two cutterheads are arranged in a spaced mode in the first direction, the depended wheel is arranged between the two cutterheads, and blades are arranged on the sides, close to the depended wheel, of the cutterheads. The driving motor is installed on the clamp and is in driving connection with the cutter assembly so as to drive the cutter heads to rotate along the axis in the first direction, and blades, close to the sides of the depended wheels, of the two cutter heads are used for polishing two edges, in the first direction, of the to-be-machined workpiece. According to the technical scheme provided by the utility model, the double cutter heads are driven by the driving motor, and the two edges of the workpiece to be machined are machined at the same time, so that a breakthrough of chamfering operation from manual operation to equipment is realized, and the chamfering efficiency is synchronously improved.

The present invention relates to a package, an article carrier for packaging multiple articles, and a blank for forming the article carrier. The article carrier is capable of packaging an article having a recess R and includes a plurality of panels forming a tubular structure surrounding the article, and article retention devices RT1, RT2 that engage with the recesses of the article. The article retention devices include tabs 50, 52 hingedly connected to the panels along first fold lines 51, 53. The tabs are foldable about the first fold lines to an engaged position and include a body defined by first free edges 61, 62a and retention projections L1, L2 extending outward from the body. The first free edges include curved segments having radii of curvature Rc1, Rc2. The retention projections include end points Fp1, Fp2 along second free edges 71, 72 that are continuous with the first free edges. The extreme end points are arranged at maximum protruding piece distances Ld1 and Ld2, which are greater than the radius of curvature, from the center of the radius of curvature.

The utility model provides a steel structure stair welding-free type edge protection structure which comprises a left supporting vertical rod assembly, a right supporting vertical rod assembly, a plurality of middle supporting vertical rod assemblies and a sleeving cross rod, the left supporting vertical rod assembly, the right supporting vertical rod assembly and the middle supporting vertical rod assemblies respectively comprise a lower sleeve and an upper vertical rod, and a clamping base is arranged on the lower portion of the lower sleeve. The lower end of the upper vertical rod is sleeved with the corresponding lower sleeve, two left one-way sleeves distributed up and down are arranged on the upper portion of the upper vertical rod in the left supporting vertical rod assembly, and two right one-way sleeves distributed up and down are arranged on the upper portion of the upper vertical rod in the right supporting vertical rod assembly. And two middle two-way sleeves which are distributed up and down are arranged at the upper part of an upper vertical rod in the middle supporting vertical rod assembly. The protective structure is fixedly installed on one side of the I-shaped beam in a clamping mode, the overall structural strength of the I-shaped beam is not affected, meanwhile, the protective structure is easy to install and detach, and the installing and detaching efficiency of the protective structure can be improved.

A closure cap 1 for a container comprises a lateral wall 3 extending around an axis Z and a transverse wall 4 located at one end of the lateral wall. A separation line 5 is provided on the lateral wall to define a retaining ring 301 comprising a retaining portion 303 extending to a free edge 304 of the retaining ring and configured to engage internally with a locking ring of a neck of the container in a retaining anchoring to the neck, and a closure element 302 removably engageable with the neck to open or close the container. The cap further comprises a cut line 7 also provided on the lateral wall to define with the separation line at least one connecting band 306, 307 for connecting the closure element and the retaining portion to each other. The cap comprises a coupling structure 2 located inside the lateral wall for removably coupling the closure element to the neck of the container, the lateral wall having a first portion 309 devoid of the coupling structure and a second portion 310 provided with the coupling structure, and the separation line and the cut line being made on the first portion, the first portion having a first height T1 measured along an axis parallel to the axis starting from the free edge, the second portion having a second height T2 measured along an axis parallel to the axis starting from the transverse wall. The ratio between the second height and the first height is less than or equal to 2.00, so that the connecting band can be made in suitable dimensions in the first portion.

This utility model relates to a thin-sheet guide support mechanism for an automated edge-wrapping machine for advertising display boards. It comprises a first thin-sheet guide support strip, a first connecting plate, a second thin-sheet guide support strip, a second connecting plate, four guide frame cylinders, an edge strip support, a workpiece edge strip, and a workpiece display board. A portion of the first thin-sheet guide support strip extends into the upper part of the workpiece edge strip, while the other portion is connected to two guide frame cylinders via the first connecting plate. A portion of the second thin-sheet guide support strip extends into the lower part of the workpiece edge strip, while the other portion is connected to two more guide frame cylinders via the second connecting plate. The workpiece edge strip is inserted into the groove of the edge strip support. The workpiece display board is inserted between the first and second thin-sheet guide support strips. Once fully embedded in the U-shaped groove of the edge strip, the first and second thin-sheet guide support strips are simultaneously pulled out from within the edge strip. The advantages of this utility model include: smooth, jam-free edge-wrapping operation, significantly improved reliability, reduced damage from manual processing, and increased production efficiency.

The invention relates to a device, a unit and a method for volume-optimised packaging of goods by means of a container made of foldable material such as cardboard or paperboard, taking into account its individual product-dependent filling height h, wherein the container (7) has a container base (16) and four container walls (17) arranged opposite one another in pairs, and for partially or completely closing the container (7), at least one container wall (17) is foldable over part of its height in the direction of the opposite container wall (17).The device comprises a unit (8) for detecting the individual fill level h of the container (7) filled with goods, a unit (11) for generating horizontal grooves (20) and / or perforations in the container walls (17) depending on the individual fill level h to create folding lines (21), a unit (12) for generating vertical cuts (23) in the container walls (17) between the free edge (19) of the container walls (17) and the area of ​​the individual fill level h, a unit (13) for closing the container (7).In order to package goods in the most efficient and economical manner possible, taking into account the individual fill level of the container (7), the present invention proposes that the unit (12) for producing vertical separations (23) in the container walls (17) have a support surface (56) for receiving the container base (16) during the production of the separations (23), and at least one separating tool (45, 45', 45") with a separating edge (46, 46', 46"), wherein the separating edge (46, 46', 46") runs in a plane orthogonal to the support surface (56) and is inclined by an angle α with respect to a perpendicular (55) to the support surface (56) and extends over the entire length of the vertical separation (23) to be produced.Furthermore, the unit (12) for producing vertical separations (23) in the container walls (17) has adjustment means with which the at least one separating tool (45, 45', 45") can be translationally adjusted from a first inner functional position, in which the separating edge (46, 46', 46") lies inside the container (7) before the container wall (17) is separated, into a second outer functional position, in which the separating edge (46, 46', 46") lies outside the container (7) after the container wall (17) has been separated.

Removable Gripping Device and Kitchen Set Comprising Such a Removable Gripping Device. The present invention relates to a removable gripping device (6) for a cooking utensil (4) having a side wall (44) that extends upwards into a curved portion (46). The gripping device comprises a gripping body (62) extending along a longitudinal axis between a front (622) and a rear portion of the body, a groove (94) adapted to receive a free edge (48) of the curved portion as a stop, and a fork (64) mounted on the gripping body, forming a clamp with the front of the gripping body and being movable relative to the gripping body, between an open position and a closed position in which the clamp is able to grip the side wall. The removable gripping device comprises at least one pad (96) made of elastically deformable material delimiting the groove. Figure for the abstract: Figure 2

The present invention relates to the field of sanitary devices and in particular it relates to a disposable absorbent mat. usable in general to protect any surface which may come into contact with urine or other type of organic liquid. Said disposable absorbent mat (100) comprises: a liquid absorbing pad (1) having a predefined length and width delimiting an effective area (23); a sheet of liquid-impermeable material (2), coupled laid under said absorbent pad (1), so as to define a first (21) and a second (22) pair of opposite free edges. arranged outside the effective area (23) occupied by said absorbent pad (1); a sheet of liquid-permeable material (3), coupled superimposed on said absorbent pad (1) on the opposite side with respect to said sheet of liquid-impermeable material (2); first lateral closing means of said absorbent pad (1) against the leakage of liquids. Said absorbent mat (100) comprises a first (4) and a second (5) strip of liquid-impermeable material to define second lateral closing means of said absorbent pad (1) against the leakage of liquids, arranged orthogonally with respect to said first lateral closing means. The invention also relates to a process for manufacturing said disposable absorbent mat.

TITLE. Flexible fabric or blind incorporating a weight bar. A flexible fabric (1) or blind for sheltering or closing an opening in a wall, which can be rolled up by rotation around a winding mechanism, and which is equipped with a weight bar consisting of a profile (2) fixed to a free edge of the fabric (1) located opposite a portion of the fabric (1) attached to the winding mechanism. The free edge has a flexible end seal (10) elastically extending from the fabric (1), one face of which is fitted with a hollow rod (12) adapted to clip into a groove (21) in the profile (2) via an upper opening (23) in said groove (21) with a width less than the width of the rod (12). Two end pieces (30), (33) are fixed to each end of the profile (2), together forming removable locking means for a terminal portion of the end seal (10) protruding from the profile (2). Figure for the abbreviation: Fig. 1

A device (1) for dispensing a fluid substance comprising an outer container (2) and a deformable bag (4), the deformable bag being housed in the outer container (2) and endowed with a neck (7) from which a first flange (6) extends, a pump (3) coupled to the deformable bag (4) in a sealed manner, and a ring element (5), which rests on a free edge (8) of the outer container (2) and is endowed with an opening (9) configured to at least partially house the neck (7) of the deformable bag (4), the opening (9) being peripherally delimited by a support surface (10) that comes into contact with the said first flange (6) on the deformable bag (4), supporting the said bag, the ring (5) being made of at least two half-shells (5A, 5B) configured to close around the neck of the deformable bag (4).

The application discloses a pre-rolling flanging and pressing device and system, and belongs to the technical field of workpiece pre-rolling flanging. The pre-rolling flanging and pressing device comprises a pressing module, a pressing cylinder and a turnover module. The turnover module comprises a frame, a connecting rod, a rotating arm and a turnover cylinder. The pressing module comprises a mounting plate and a profiling pressing block. Under the action of the pressing cylinder and the turnover cylinder, the profiling pressing block acts on the flanging crease position of the workpiece. The free edge of the profiling pressing block is provided with a crease contour matched with the flanging crease of the workpiece. The pre-rolling flanging system comprises a support frame, a tire membrane and at least one pre-rolling flanging and pressing device. The pressing device can accurately position the flanging crease position of the large-flanging workpiece, so that the pre-rolling flanging of the workpiece can also be directly realized by using a robot to roll flange. The pre-rolling flanging efficiency of the large-flanging workpiece is improved. Moreover, the profiling pressing block is matched according to the flanging of the workpiece, the consistency of the pre-rolling flanging crease position is ensured, and the pre-rolling flanging quality of the workpiece is improved.

The present application describes a connector assembly comprising a male component (200) removably positioned in a female component (104) wherein one of the male component and the female component comprises at least one substantially flexible and resilient retaining element (132), the at least one substantially flexible and resilient retaining element (132) is located at a fixing edge region of one of the male and female parts between the at least one first support surface (118) and the at least one second support surface (128), one of the male and female parts comprises a substantially rigid and radially extending flange region (202) extending radially to terminate at a free edge region (134) of the at least one substantially flexible and resilient retaining element beyond respective edges of the first and second support surfaces, and wherein the other of the male and female parts comprises a substantially rigid and radially extending flange region (202), the flange region is used for being jointed with at least one retaining element (132) when at least one of the male part and the female part axially moves towards or away from the other one of the male part and the female part; and wherein the at least one resilient retaining element is configured to flex around respective edges of the first and second support surfaces when pushed in either axial direction by engagement with the substantially rigid flange region, the elastic retaining element has a substantially rigid flange region to position the substantially rigid flange region on the first side or the second side of the elastic retaining element to connect or disconnect the male component and the female component, respectively. The connector assembly may be configured for automatic and repeated connection and disconnection of a subsea bend stiffener connector (BSC) to a rigid structural suspension position and / or a BSC to a subsea pipeline / cable pull head, etc.

The present invention relates to a metal package comprising a box body (2) onto which a peelable membrane (3) is sealed. The side wall (21) of the box body (2) terminates in a free edge (215) which includes a roll (216) oriented towards said outer face (212). The cup-shaped peelable membrane (3) includes a sealing wall (31) closing an access opening (A), and a peripheral band (32) sealed onto a receiving band (211a). The roll (216) has a height dimension (R) ranging from 0.5 to 1.6 mm; and a longitudinal dimension (C) between the free edge (321) of the peripheral band (32) and the longitudinal apex (2161) of the roll (216) is 0 to 1.5 mm. Figure for the abstract: 3

A device (10) for beading a tube end (12) has a receptacle unit (20) for the workpiece (14) to be beaded and at least one beading die (30) which is mounted in a longitudinally displaceable manner and is aligned with the receptacle unit (20). A protective film (40) is positioned between the beading die (30) and the receptacle unit (20) for the workpiece (14) to be beaded. In a method for beading a tube end (12) first the workpiece (14) to be beaded is positioned in a receptacle unit (20). Subsequently, a protective film (40) is positioned between the receptacle unit (20) and a beading die (30) which is mounted in a longitudinally displaceable manner, before the free edge (12) of the workpiece (14) to be beaded is beaded inwards by means of the beading die (30).

The plastic decorating part paint spraying jig comprises a mounting frame and a plurality of connecting rods arranged on the mounting frame, each connecting rod is fixedly provided with two rubber parts, and the shape of the top face of each rubber part is matched with the outline shape, located between the free section of an L-shaped section and the free section of a W-shaped section, of the cross section of the plastic decorating part. A first receding groove penetrating in the length direction is formed in one side face, the thickness between the upper groove wall of the first receding groove and the top face of the rubber part is matched with the length of the free edge of the L-shaped section of the plastic decoration part, so that the upper groove wall of the first receding groove forms a clamping face of the clamping edge of the plastic decoration part, and the lower groove wall is lower than the upper groove wall. The area, corresponding to the first fastener of the plastic decorating part, of one side face of the rubber part forms a receding face, and the other side face of the rubber part is matched with the second fastener of the plastic decorating part and the extending outline of the free section of the W-shaped section. The device is simple in structure and low in processing cost, plastic decorating parts can be quickly mounted and dismounted, the stability of the plastic decorating parts is guaranteed, and the quality of batch paint spraying is guaranteed.

Packaging blank (1) for a tray-shaped packaging base (100), comprising a flat blank (2), in particular paper fiber-based, with a bottom area (3) and at least four side wall areas (4a-4d) bounding the bottom area (3), which are foldable along bottom fold lines (F1-F4) relative to the bottom area (3), wherein each side wall area (4a-4d) has a free edge area (5a-5d), which are each foldable along an edge fold line (F5-F8) relative to the associated side wall area (4a-4d), wherein, in each case extending from two adjacent side wall areas (4a-4d) and / or their associated edge areas (5a-5d), cutout areas (6a-6h) of the blank (2), in particular L-shaped, forming a corner frame (7a-7d) and connecting the respective corner frame (7a-7d) with the The floor area (3) connecting the corner wall (8) is removed.

A method for forming an electrode for electrochemical cells comprises arranging an electrode sheet having a thickness, a length and a height, wherein the length is measured along a longitudinal direction, the height is measured along a transverse direction and the thickness is measured along a direction perpendicular to the longitudinal direction and the transverse direction, the electrode sheet having a longitudinal free edge; cutting a plurality of tab notches on the electrode sheet in a first portion of electrode sheet extending transversely from the free edge, wherein each tab notch extends from a transversely outer end to a transversely inner end; cutting a plurality of auxiliary notches on the electrode sheet in the first portion of electrode sheet, wherein each auxiliary notch extends in the longitudinal direction and contacts a single tab notch between the transversely outer end and the transversely inner end of the tab notch.

The invention relates to the technical field of ceramic additive manufacturing and high-temperature sintering tools, in particular to a design method of a sintering clamp for photocuring a large-size special-shaped ceramic component. Aiming at the problems of free opening edge curling, thin-wall collapse, cracks, overall warping and the like which are easy to occur during sintering of a photocuring ceramic green body, the method comprises the following steps: firstly, acquiring three-dimensional geometric information of a component and partitioning, and identifying an instability mode and a sensitive area; and then a boundary strategy of shape limitation without shrinkage limitation, controlled sliding, partition supporting and intersection area receding is constructed, structural design and material selection of the supporting ring, the inner supporting core, the burning bearing base, the low-friction isolation layer and the positioning groove are completed, and assembly and use specifications are formed. The sintering bearing clamp obtained by the method can inhibit out-of-plane instability while allowing the component to shrink, reduce shrinkage retardation stress, and improve the sintering formability stability, size consistency and finished product yield of the component. The ice cream barrel-shaped silicon nitride ceramic piece is taken as an embodiment, so that the sintering defect risk can be obviously reduced, and the engineering popularization value is good.

This invention discloses a device and method for intelligent machining of free edges, belonging to the field of shipbuilding equipment. The device includes a bed system, a double-gantry system, a double-sided milling assembly, a lifting and adsorption assembly, and an intelligent control system. The free edge is automatically located using a 2D+3D vision recognition system. The milling assembly mounted on the machining gantry can achieve multi-axis linkage, completing the rounded corner double-sided milling of the upper and lower edges of the workpiece in a single positioning, eliminating the need for manual flipping. The double-gantry machining, combining machining gantry and camera gantry, allows for simultaneous camera gantry scanning of subsequent workpieces on the bed while machining the gantry, further improving machining efficiency. The lifting and adsorption assembly secures the workpiece and avoids interference, making the machining process more automated, achieving higher machining accuracy, and increasing work efficiency by over 300%. This solves the problems of low efficiency, unstable quality, and high pollution associated with traditional manual grinding, meeting PSPC coating standards and intelligent manufacturing requirements.

A secondary energy storage element (100) includes, as electrodes, a cathode (108) and an anode (105), which are parts of an assembly (104), which are separated by a separator or a solid electrolyte layer (116), and which are arranged in the assembly in the order of cathode (108) / separator or solid electrolyte layer (116) / anode (105). The cathode (108) comprises a cathode current collector (109) and a positive electrode material (110), and the anode (105) comprises an anode current collector (106) and a negative electrode material (107). The cathode current collector (109) has a main region loaded with a layer of positive electrode material (110) on both sides and a free edge strip (109b) extending along an edge of the cathode current collector (109) and not loaded with the positive electrode material (110). Alternatively or simultaneously, the anode current collector (106) has a main region loaded with a layer of negative electrode material (107) on both sides and a free edge strip (106b) extending along an edge of the anode current collector (106) and not loaded with the negative electrode material (107). The cathode (108) and the anode (105) are formed and / or arranged in the fitting (104) in such a way that a free edge strip (109b) of the cathode current collector (109) protrudes from one side (104b) of the fitting (104) and / or a free edge strip (106b) of the anode current collector (106) protrudes from the other side (104a) of the fitting (104). The energy storage element includes a first contact metal sheet (112) in direct contact with one of the free edge strips (106b) and / or a second contact metal sheet (101a) in direct contact with the other of the free edge strips (109b). The electrodes (105, 108) comprise at least one ion type selected from the group comprising sodium ions, potassium ions, calcium ions, magnesium ions, and aluminum ions which are exchanged between the cathode (108) and the anode (105) during charging and discharging of the secondary energy storage element (100).