5958 results about "Wire cutting" patented technology

A cutting tool to be utilized in the resection or removal of bone tissue from patients includes a handle that tensions a wire or cable-like cutting member with a small diameter between at least two features on the handle to present a thin cutting profile. The design of the cutting tool includes features that protect against soft tissue damage and minimize the incision size necessary to utilize the tool. Some embodiments feature details of the cutting tool that interface with a surgical cutting guide system. Other embodiments describe a cutting tool with a selectively changeable length of the cutting profile of the wire cutting member. In one embodiment, the wire cutting member of the cutting tool is energized by mechanical energy in the form of a unidirectional rotation of the cutting member, a mechanical vibration of the cutting member, or an oscillating movement of the wire cutting member.

A foam core cushion mattress assembly provides semi-independent foam pillars on the upper surface of the mattress. The mattress may be unitary, or comprise multiple cushioning components, possibly base, body support and foot cushions. The body support cushion is constructed from a flat, rectangular solid, foam element whose upper surface is cut into an array of rectangular solid pillars, preferably by a hot wire cutting method. The array of rectangular solid pillars is grouped into a central array comprising pillars with generally square top surfaces and edge rows of rectangular solid pillars having rectangular top surfaces. The depth of the hot wire cuts into the surface of the body support cushion is preferably approximately one-half the overall thickness of the body support cushion or approximately three fourths of the length of the shortest face of the pillar. A zippered fabric cover removeably envelops the assembled cushioning components. The resultant structure defines a plurality of semi-independently compressible pillars that support a reclining, or supine patient. The pillars may also be cut into the top and bottom surfaces of the cushion for enhanced pressure relieving effects. Methods of manufacture, and treatment and alleviation of decubitus ulcer formation are also presented.

A device is disclosed for joining a first layer of material to a second layer of material, the device comprising a handle, a first jaw and a second jaw mounted on the handle, at least one of the first jaw and the second jaw being moveable relative to the other; the first jaw defining therein: a first channel for retaining a wire guide; a second channel extending from the first channel for supporting a suture wire extending from the wire guide; and a passageway for retaining a cutting bar; the second channel being curved to impart a looping configuration to portions of the suture wire passed therethrough; a wire advancing actuator mounted on the handle for moving the suture wire through the second channel and through the first and second layers of material in the looping configuration; and a wire cutting actuator mounted on the handle for moving the cutting bar into cutting engagement with the suture wire, wherein the suture wire in the looping configuration joins the first layer of material to the second layer of material.

The invention discloses a touch control display panel and a touch control display device. The panel comprises a substrate, an organic luminescent device, at least one baffles, wherein the width of the at least one baffle is 30-200 micrometers, a thin film encapsulation layer, wherein the thin film encapsulation layer covers the at least one baffle, and difference between the baffle 30 and baffle 40 of the thin film encapsulation layer between the first baffle 41 and a display area A is 0-3 micrometers, electrode wires which are located at least at the non-display area of the substrate, and at least part of the electrode wires are located at the side away from the baffle, of the thin film encapsulation layer, and are arranged in the extension direction of the baffle. The projection of the electrode wires on the substrate is located in the range of the projection of the baffle on the substrate. According to the touch control display panel, at least part of electrode wires are located at the side away from the baffle, of the thin film encapsulation layer, and arranged in the extension direction of the baffle, therefore the side frame area of the baffle location is fully utilized to achieve narrow side frames and the lowering of wire cutting-off risk.

The invention relates to the field of silicon wafer wire-electrode cutting and discloses a method for recycling carborundum and cutting polyethyleneglycol in waste mortar by silicon wafer wire-electrode cutting. In monocrystalline silicon piece processing technique, a viscosity reduction agent is firstly added before waste mortar linear cutting, and then a suspending liquid part and a solid particles part are obtained by the solid-liquid separation; The suspending liquid part is added with a filter aid, then filter pressing with a plate frame, micro porous filtration, hyper filtration with hollow fiber and ion exchange are carried out sequentially, and finally, the suspending liquid is distillated in vacuum and polyethyleneglycol is recycled. Alkali reaction cleaning, water scrubber washing, centrifugalization, acid reaction cleaning, the second water scrubber washing, the second centrifugalization, the second acid reaction cleaning, drying and drying classification are carried out on the solid particles in sequence, and finally, recyclable silicon carbide particles are obtained.

The invention relates to filter paper for a cooling system in wire electrical discharge machining (WEDM), which comprises the following components in percent by weight: 18-25 percent of phenolic resin, 0.5-5 percent of glass fiber, 0.5-5 percent of polyester fiber and 65-82 percent of wood pulp fiber. A production method of the filter paper comprises the steps of pulping, pulp mixing, paper making, drying, glue setting and forming. The filter paper adopts the wood pulp fiber as the main material which is matched with a proportion of glass fiber and polyester fiber, so that the bore diameter of the filter paper can be reduced, and the filtering accuracy can be improved; and in addition, since the polyester is chemically-synthesized fiber and has high strength, the bursting strength of the filter paper is improved, and the service life of the filter paper is prolonged. In the production process of the filter paper, thermosetting phenolic resin is introduced by dipping setting glue, and the size stability, the high temperature resistance and the water resistance of the filter paper are further improved. When being applied to a cooling liquid circulating system in WEDM, the filter paper is not deformed or expanded and has good strength in water, and the phenomena of water jetting and black water generating due to bursting are avoided.

The invention relates to cooling liquid for diamond wire cutting technology, which mainly comprises a lubricant, an emulsifier, an antirust agent, a dispersant, a preservative, and deionized water, wherein the mass percents of the components are 5-50% of the lubricant, 0.05-10% of the emulsifier, 0.1-5% of the antirust agent, 0-10% of the dispersant, 0-5% of the preservative, and the balance being deionized water. The cooling liquid has excellent lubricity and dispersibility, is easy to clean, suitable for cutting of hard and brittle materials such as crystal silicon, sapphire, and the like, can not only meet requirements for diamond wire high-speed cutting, but also realize good surface finish of cut pieces, and can significantly increase product qualified rates.

Rapid, efficient, and systematic processes and apparatuses for making repeatable imprints on multiple, individual sweet dough pieces are provided. An advantage of the process is the ease of making uniform imprints that are aligned with the individual dough pieces as formed and deposited. Such provides the ability to create a three-dimensional pattern on the surface of a sweet dough piece, particularly a soft cookie dough piece. The methods can be accomplished by high-speed wire cutting production methods as well as other dough piece depositing apparatuses, such as roller-type depositors.

A method and apparatus for diamond wire cutting of metal structures, such as nuclear reactor vessels, is provided. A diamond wire saw having a plurality of diamond beads with beveled or chamfered edges is provided for sawing into the walls of the metal structure. The diamond wire is guided by a plurality of support structures allowing for a multitude of different cuts. The diamond wire is cleaned and cooled by CO₂ during the cutting process to prevent breakage of the wire and provide efficient cutting. Concrete can be provided within the metal structure to enhance cutting efficiency and reduce airborne contaminants. The invention can be remotely controlled to reduce exposure of workers to radioactivity and other hazards.

The invention discloses a method for one-time wallboard perfusion moulding on a large scale and a pan car thereof. A die of the bottom plate of a wallboard is fixed inward the internal part of the bottom plate of the pan car at equal distance; dies of the side wall of the wallboard are respectively fixed inward the front side plate and the back side plate of the pan car at equal distance; therefore, after the case of the pan car is fully filled with pasty slurries, a vibrator leads to the vibration of the whole case on the front side plate and the back side plate; after the vibration, a finished product is obtained after initial setting, wallboard cutting, steam curing, pan car removal of shuttering and other processes; therefore, 20-200 wallboards are processed in one time. The wallboard cutting is realized in the form of steel wire cutting or clapboard partition; a steel wire netting is embedded in the wallboard, so as to greatly enhance the strength of the wallboard; therefore, the invention has the advantages that the inner wallboard of the pan car is formed by large-scale one-time injection moulding by using the die, the precision of the die is high, the product quality is reliable, the injection amount is large, the production efficiency is greatly improved and the cost is saved.

The invention discloses a method for preparing high temperature titanium alloy by adopting a selective laser melting rapid formation technique. The method comprises the following steps: (1), preparing powder of elements in nominal chemical components of titanium alloy according to the mass proportion of all the elements, then carrying out vacuum induction melting; (2), milling titanium alloy formed by melting by adopting a gas atomization milling method; (3), establishing a part three-dimensional model, and importing the part three-dimensional model into selective laser melting rapid formation equipment; (4), placing powder into the selective laser melting rapid formation equipment, and carrying out part forming on a substrate; (5), separating the formed part from the substrate by adopting a wire cutting process, annealing the part, so as to improve the plasticity and the toughness of titanium alloy; (6), performing a high temperature oxidation test on the part, so as to determine the high temperature oxidation resistance of the novel titanium alloy. According to the method for preparing high temperature titanium alloy by adopting the selective laser melting rapid formation technique, provided by the invention, a high temperature titanium alloy part with a complex structural shape is quickly formed, and the characteristics of rapid manufacturing, accurate manufacturing and reduction of manufacturing cost and the like are achieved.

Disclosed is a horizontal diamond wire cutting machine tool. The horizontal diamond wire cutting machine tool comprises a tool body (1), the tool body (1) is provided with a rotary worktable (2) for fixing workpieces, a portal frame (15), and a guide wheel group on the portal frame (15), wherein the portal frame (15) can be driven by an X-direction transmission mechanism on the tool body to move in an X direction. The horizontal diamond wire cutting machine tool is characterized in that the beam (10) of the portal frame (15) is provided with a pay-off drum (8) and a take-up drum (9), the stand columns on both sides of the portal frame (15) are respectively provided with an extending plate, and the cantilever end of each extending plate is provided with a cantilever end guide wheel; the extending plates on both sides are driven by the same or a separated Z-direction transmission mechanism to move up and down along the stand columns to control the height and accordingly to maintain a horizontal state so that a diamond wire on the cantilever end guide wheels on the cantilever ends can maintain a horizontal state and participate in cutting of the workpieces. The horizontal diamond wire cutting machine tool is convenient to fixe and high in machining efficiency and yield rate.

A vanishing mould digital control linear cutting processing forming machine belongs to automatic machining device, and overcomes the problems of low forming speed and singular function of prior vanishing mould digital control linear cutting processing forming machine. The vanishing mould digital control linear cutting processing forming machine is composed of a mechanical part and a control part. The mechanical part comprises a frame, a tray, an X-axis motor, a Y-axis motor, a Z-axis motor, a X-axis left cylinder slide way, a X-axis right cylinder slide way, a Y-axis cylinder slide way, a Z-axis cylinder slide way, a main shaft motor and the main shaft. The right side of frame is fixed with a bracket. Two ends of Z-direction vertical girder are fixed with an upper cantilever and a lower cantilever. A baiting cutting line is connected between the end of upper cantilever and the end of lower cantilever. An installation plate is installed on the end of main shaft. The installation plate is fixed with a left supporting arm and a right supporting arm. A processing cutting line is connected between the end of left supporting arm and the end of right supporting arm. The vanishing mould digital control linear cutting processing forming machine of the invention has the advantages of compact structure, complete function, excellent economy and excellent practicality. The vanishing mould digital control linear cutting processing forming machine integrates the functions of baiting, blocking, etc. The manufacturing of vanishing moulds with middle or small quantity is quickly, economically and automatically/semi-automatically completed. The vanishing mould digital control linear cutting processing forming machine can also be used for manufacturing foam pad with middle or small quantity.

The invention discloses an automatic assembly machine for a lead protective tube, wherein through the arrangement of a turntable type material clamping device, a tube body automatic material feeding device, an automatic wire feeding and cutting-off bending device, and an end cap automatic material feeding and pressing device, the production processes of tube body taking, fuse wire penetration, fuse wire cutting and bending, fuse wire penetration condition detection, end cap pressing and blanking can be automatically and sequentially completed, and finished products of the lead protective tube are obtained, so the assembly work of the lead protective tube can be automatically completed, the consistency of the finished products of the lead protective tube obtained through production is good, the production yield and the production efficiency are respectively and greatly improved, production personnel are greatly decreased, the work intensity of the production personnel is lowered, meanwhile, the production cost is reduced, and good practicality is realized.

The invention provides a multi-wire cutting device applied to block forming of a silicon ingot. The multi-wire cutting device comprises a base, a bearing table arranged on the base for bearing the silicon ingot to be cut and a cutting mechanism. The bearing table is provided with a plurality of bearing assemblies which are arranged in parallel, and a cutting clearance is reserved between every two adjacent bearing assemblies. Each bearing assembly comprises a pair of bearing supports, a traction roller, a traction belt arranged on the traction roller in a sleeving manner, and a first drive motor. The cutting mechanism comprises a cutting support arranged on the base, at least one pair of cutting rollers erected on the cutting support, cutting wires and a second drive motor. The cutting wires are correspondingly wound on at least one pair of cutting rollers to form a cutting net. The cutting wires on the cutting rollers are used for cutting the silicon ingot to be cut on the bearing table under the drive of the second drive motor, and the cutting wires are located in the cutting clearances when cutting the silicon ingot. According to the multi-wire cutting device, a workpiece can be cut into blocks, the workpiece to be cut is controlled by a microcontroller to rotate, automatic control is achieved in the whole process, and the cutting effect is good.

A machining method for numerical control milling of thin-wall curved-surface irregular parts aims at providing a technological scheme and a clamping method used in the machining process of the thin-walled curved-surface irregular parts. According to the machining method, an upper irregular curved-surface area and a lower irregular curved-surface area are divided in a blocked mode and technological clamping blocks are reserved by reasonably arranging the technological process and dividing a cutting area, positioning tools and rough and finish milling numerical control machining procedures are designed, and cutting tool selecting and cutting parameters are determined, linear cutting machining of the like products is replaced by milling machining, the machining cost is reduced, and the machining efficiency and product quality are improved.

The invention discloses a high strength and high conductivity dispersion strengthened copper alloy. 0.10 to 0.30wtpercent Al is added into an alloy-based material. The technology of the invention cosists of (1)Melting of alloy; (2) Hot rolling or cold rolling (wire cutting)of alloy for preparing thin sheets; (3)Internal oxidation of alloy sheet; (4)Heat pressing and hot extrusion of alloy sheet with internal oxidation; (5)Processing of alloy. Wherein, the thickness of the alloy thin sheet is 0.3 to 2.0mm; and the method for internal oxidation is embedding with the standard of (850DEG C -950DEG C) * (3-15) h; and the temperature of heat pressing and hot extrusion is 900DEG C-950DEG C. The invention adopts a Cu-Al alloy internal oxidation thin sheet, and the micro-hardness and the conductivity of the alloy with the process of heat pressing reaches 120 HV and 78percent IACS respectively; and the tensile strength reaches 260MPa. The micro-hardness and the conductivity of the alloy with the process of hot extrusion reach 135 HV and 85percent IACS respectively; and the tensile strength reaches 450MPa. The softening temperature of the alloy reaches above 900DEG C.