100 results about "Compacted discs" patented technology

The invention provides a numerical control CD pattern turning machine and a turning method. The pattern turning machine comprises an X-axis moving mechanism, a Y-axis moving mechanism arranged above the X-axis moving mechanism and a Z-axis moving mechanism installed on the Y-axis moving mechanism. The X-axis moving mechanism comprises a tool table, a moving seat connected to the bottom of the tool table and a first driving device, the tool table is used for installing a clamping tool, and the first driving device is used for driving the moving seat to move in the X-axis direction; the Y-axis moving mechanism comprises a second driving device used for driving the Z-axis moving mechanism to move in the Y-axis direction. The Z-axis moving mechanism comprises a third driving device, a tool apron is arranged on the Z-axis moving mechanism, and the third driving device is used for driving the tool apron to move in the Z-axis direction. The graining machine can move the cutter in the horizontal and vertical directions and can also finely adjust the workpiece in the third dimension so as to assist the cutter to realize accurate positioning.

A connector apparatus includes a housing and a locking mechanism. The locking mechanism includes a rotatable disc that cooperates with the housing to selectively secure a connector therewith. The locking mechanism also includes a first pawl and a second pawl configured to engage with the disc and at least one lock lever configured to engage with the disc. A first connector is secured to the housing via the disc engaging the pawls and the lock lever thereby rotationally locking the disc. A second connector actuates the pawls to disengage the disc and the lock lever is manually actuated to disengage the disc so that the first connector can be released while simultaneously securing the second connector to the housing.

1. The name of this design product: wall sanding disc packaging box. 2. Purpose of this design product: packaging box for polishing discs. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: combination state diagram. 5. This design product is a thin product, and the left view, right view, top view and bottom view of component 2 are omitted.

The utility model discloses a compact disc (CD) player capable of flexibly replacing a surface cover, which comprises a shell, a printed circuit board (PCB) and a loudspeaker, the shell comprises a middle shell, a surface shell and the surface cover, the surface shell and the loudspeaker are arranged on the middle shell, and the surface cover is arranged on the surface shell; the surface cover comprises a cloth cover, a metal surface cover and a plastic surface cover, the cloth cover is provided with a surface cover bracket, buckling feet are arranged on the bottom surfaces of the surface cover bracket and the plastic surface cover, and inserting feet are arranged on the bottom surface of the metal surface cover; the face shell is provided with a buckling hole and an inserting hole, the cloth cover is fixedly combined with the face shell by inserting the buckling feet of the face cover support into the buckling hole, the plastic face cover is fixedly combined with the face shell by inserting the buckling feet on the bottom face of the plastic face cover into the buckling hole, and the metal face cover is fixedly combined with the face shell by inserting the inserting feet on the bottom face of the metal face cover into the inserting hole. Therefore, different types of surface covers can be more flexibly replaced, the use is more convenient, the mold cost can be reduced, and the cost is reduced.

An environment-friendly polishing disc is manufactured by a processing technology that includes: preparing a table, drying oven, cutting tools, upper and lower molds, polishing powder, a batching barrel, and a polyurethane synthetic resin comprising HC8968 and HC8552; cutting a polyester-fiber upper backsheet and a lower backsheet to match the mold profile; batching the polishing powder with the polyurethane resin and uniformly mixing with a vibrator; pouring the mixture into the lower mold over the lower backsheet, scraping the surface, overlaying the upper backsheet, and clamping with the upper mold; sequentially drying the clamped assembly at about 45° C. for about 230 min, about 92° C. for about 230 min, and about 60° C. for about 450 min; and removing the molds to form the disc. An optional central notch may be provided. The process reduces external polishing consumables and supports uniform soft-layer formation.

The utility model discloses an electric polishing disc which comprises a body, the body comprises a polishing disc, an air suction disc and an outer ring disc are sequentially fixed on one side of the polishing disc from inside to outside, and a fixed disc and a base disc are sequentially fixed on the other side of the polishing disc from inside to outside. A gravity adjusting unit used for enabling the weight of the body to be evenly distributed and rotating to be stable is fixedly embedded in the air suction disc. An air suction channel for dispersing center suction of the body is formed between the inner side of the outer ring disc and the surface of the air suction disc. The polishing disc is reasonable in structural design, the gravity adjusting unit is embedded in the air suction disc, the weight of the body is evenly distributed, the purpose of being more stable during high-speed rotation is achieved, the air suction channel is formed between the inner side of the outer ring disc and the surface of the air suction disc, in the high-speed rotation process of the polishing disc, center suction force is dispersed to the periphery of the disc body, and the polishing effect is improved. And the rotating motion of the polishing disc is further stabilized, the implementation effect is good, and the use experience feeling of a user is improved.

The utility model relates to the technical field of CD-ROM storage, in particular to a storage structure of CD-ROM equipment, which comprises a storage bin, a tray for supporting a CD-ROM is mounted in the storage bin in a sliding manner, the tray can enter and exit along the storage bin, and a sliding guide structure is arranged on the outer side of the storage bin and comprises a guide seat. A guide groove is formed in the guide base in the length direction and is flush with the moving direction of the tray. The tray is installed in the storage bin in a sliding mode and can enter and exit along the storage bin in a sliding mode, when the tray slides outwards, the tray can be matched with the sliding guide structure, due to the fact that the guide groove is flush with the moving direction of the tray, after the tray is moved out of the storage bin, the edge of the tray can enter the guide groove of the guide base, and the tray can be supported through the guide groove. The gravity of the tray and the compact disc does not cause the falling phenomenon of the outer part of the tray, and the tray is kept in a flush posture, so that alignment errors are prevented.

A compact disc stack cyclone separator includes: a fluid inlet; a vortex generator which generates a forced vortex; a conical or cylindrical vortex generating chamber; a separation chamber which is a cavity formed by downstream open ends of stacked truncated cones; narrow gaps between the stacked truncated cones, a collecting channel for heavy phrase fluid from the gaps between the stacked truncated cones which installed about the outlets of the gaps at upstream open end of the stacked truncated cones to channel heavy phrase fluid to a storage chamber of heavy phrase fluid; and an outlet for heavy phrase fluid to flow out from the storage chamber of heavy phrase fluid, while the outlet of light phrase fluid is annexed to the downstream open end of the last stacked truncated cone which is the downstream open end of separation chamber.

The invention discloses a cadmium zinc telluride wafer double-sided chemical mechanical polishing method, which relates to a semiconductor material processing technology, and comprises the following steps: forming a diversion trench in a polishing pad in advance so as to improve the flowability of a polishing solution on the upper and lower surfaces of a wafer based on the diversion trench, and bonding the polishing pad to a polishing disk; preparing a polishing solution comprising an abrasive, water, a moistening agent and an oxidizing agent according to a set ratio; selecting a loose pulley sheet with a proper material and thickness, and placing a batch of tellurium-zinc-cadmium wafers on the porous loose pulley sheet; before polishing, a moistening agent is sprayed on the surface of the tellurium-zinc-cadmium wafer so as to reduce the fragment probability of the wafer at the earlier stage of polishing; a polishing program is set, so that the flow of the polishing solution and the polishing pressure in each stage are increased in a gradient manner; in the polishing process, the dry-wet condition of the polishing pad is judged according to the condition of the polishing liquid overflowing between the upper polishing disc and the lower polishing disc, and adjustment is conducted through a polishing program; and cleaning and testing after polishing to finish polishing. The method is used for realizing batch double-sided chemical mechanical polishing of the cadmium zinc telluride wafer.

The purpose is to provide lacquered discs that allow people to enjoy sightseeing, such as visiting shrines and temples, using their eyes and ears, and to offer stamp books that use these lacquered discs. [Solution] The lacquered disc 1 has lacquer applied to the front surface 2A of the compact disc body 2 or the digital multipurpose disc body, and a design is applied to the lacquered surface 3. Because the lacquered disc 1 has lacquer applied to the front surface 2A, it has a glossy appearance and high design quality. In addition, maki-e (gold lacquer) can also be applied to the front surface 2A of the lacquered disc 1.

The present invention relates to a method for single-sided polishing of 8-inch silicon carbide wafers. A ceramic disc with a radius less than 8 inches is used to perform single-sided polishing on 8-inch silicon carbide wafers. By reasonably setting the distances between the wafer, the ceramic disc, and the polishing disc, the mechanical balance and efficient polishing during the polishing process are ensured. The optimized designs of the polishing cloth and the tank body further enhance the fluidity and uniformity of the polishing liquid. Using small-sized wafers as auxiliary tools improves the stability and processing flexibility of the polishing process, enabling the surface flatness of the polished wafers to meet the requirements of actual production. At the same time, the production cost is significantly reduced, and the equipment utilization rate and production efficiency are improved. The present invention provides a highly efficient, low-cost, and flexible method for polishing silicon carbide wafers, with significant economic benefits and practical value.

The application discloses a kind of liquid membrane shearing polishing device and method of ultrasonic assisted strengthening, including polishing device, workpiece clamp and polishing pool, further including ultrasonic generator, the ultrasonic generator is located at the bottom and side of polishing pool, and the ultrasonic generator ultrasonic transmission direction is opposite to the workpiece to be processed;The polishing device includes surface structured polishing disc, polishing disc driving mechanism, polishing disc positioning mechanism;The polishing device is set in the top of polishing pool, and workpiece clamp is set in the bottom of polishing pool;The workpiece clamp and surface structured polishing disc are all below the liquid level of polishing pool.The application is under the dual strengthening action of surface structured polishing disc and ultrasonic generator, and liquid membrane shearing effect is generated between workpiece and polishing disc, improves processing efficiency and processing surface uniformity, realizes workpiece surface efficient high-quality low-damage polishing.

The utility model relates to the technical field of polishing and polishing, disclose a kind of polishing and polishing device for passivation milling cutter, including workbench main body and polishing disc, the upper top edge of workbench main body is provided with the polishing and polishing mechanism of polishing milling cutter, the upper top edge of workbench main body is fixedly connected with the guard plate in symmetry, can be replaced mechanism to the timely replacement of polishing disc, wherein replacement mechanism can drive polishing disc to do ninety degrees arc rotation, at this time, the center point of polishing disc and machining nose coincides, then the telescopic end of hydraulic push rod drives new polishing disc to move linearly, when the guiding sleeve of polishing disc back is connected in the outer wall of guide rod, it is finished the positioning of polishing disc, then control sliding push rod drives electric clamp to move linearly and contract, to complete the release of polishing disc, and user installs stud in the polishing disc outer wall and guide rod installation butt joint at this time, polishing disc is installed.

The utility model discloses a thermal printing head suitable for compact disc printing, and belongs to the technical field of thermal printing heads. The arc-shaped glass glaze is arranged at the bottom of a ceramic substrate, the packaging resin is used for packaging and protecting a driving chip, a heating body is arranged at the bottom of the side of the glass glaze, the included angle between the tangent line of the position where the heating body is located and the extension line of the ceramic substrate is 5-30 degrees, and a rolling shaft used for conveying a medium optical disc is arranged below the heating body. And the ceramic substrate is positioned on the printing head body which is obliquely arranged. The beneficial effects of the utility model are that the included angle between the tangent line of the position where the heating body is located and the extension line of the ceramic substrate is 5-30 degrees, so that the printing head needs to be installed on the printer in an inclined manner, and the medium optical disc can not interfere with packaging resin on the basis of ensuring the tight contact between the rolling shaft and the printing head, thereby the medium optical disc can not deform in the printing process, and the printing quality is improved. The printing quality is ensured, and the medium optical disk is not damaged.

The utility model discloses a cooling device for polishing disk machining, and belongs to the technical field of cooling devices. The cooling device for polishing disc machining comprises a base, a fixed motor is installed at the top of the base, an output shaft of the fixed motor is fixedly connected with a rotary disc, six rotating arms are arranged on the side face of the rotary disc at equal intervals, and one end of each rotating arm is fixedly connected with a standing box; according to the cooling device for polishing disc machining, through the arrangement of the fixed motor, the rotary disc, the rotary arm, the standing box, the spray head frame, the fixed spray head, the cooler, the draught fan and other assemblies, efficient cooling of objects in the rotary disc and the standing box is achieved. The cooler provides cooling liquid, the cooling liquid is evenly sprayed into the standing box through the fixed spray head, meanwhile, the draught fan provides wind power, and the evaporation and heat dissipation effects of the cooling liquid are enhanced. By means of the design, the cooling efficiency is improved, the stability of the cooling process is ensured, and machining errors caused by temperature changes are reduced.

[Problem] To provide a production method for a paper disk case that comprises a cardboard base material that can be shaped to have a cylindrical holding protrusion that can removably fit into a circular hole in a disk-shaped optical disk. [Solution] Discontinuous first arc-shaped slits 3L that do not intersect the direction parallel or the direction orthogonal to the grain of a paper base material 1, as seen from the center point O of a narrow portion that is to be shaped into a cylindrical holding protrusion 2 by raising a center part of the paper base material, are formed at the outer periphery of the narrow portion, discontinuous second arc-shaped slits 4L that intersect the direction parallel and the direction orthogonal to the grain of the paper base material 1, as seen from the center point O, but do not intersect in the radial direction through each center portion of the discontinuous first arc-shaped slits 3L, as seen from the center point O, are formed at the outer periphery of the discontinuous first arc-shaped slits 3L, and then the narrow portion of the center part of the paper base material is raised to form the cylindrical holding protrusion 2.

The utility model relates to the technical field of optical storage equipment, and discloses an optical disk number calculating device which comprises a fixing plate, the right side of the top of the fixing plate is fixedly connected with a mounting plate, the top of the right side of the mounting plate is provided with disk taking fingers, and the bottoms of the disk taking fingers are fixedly connected with connecting blocks. A sliding column is slidably connected into the connecting block, a fixing sleeve is fixedly connected to the bottom of the connecting block, the sliding column is sleeved with a spring, a sliding ring is slidably connected to the outer portion of the sliding column, and first connecting rods are rotatably connected to the left side and the right side of the sliding ring. According to the utility model, the spring can be compressed through the displacement of the sliding column, and the extension and retraction of the supporting plate and the partition plate can be realized by means of the displacement of the sliding ring, so that one optical disk can be controlled to fall down each time, the calculation accuracy can be greatly improved, and the reading efficiency of the optical disk can be improved at the same time.

The invention is suitable for the technical field of board-level polishing, and provides a board-level planarization device and method. The device comprises a polishing disc, a polishing pad, a polishing head and a polishing solution inlet, the polishing pad is placed on the upper surface of the polishing disc; the polishing head is arranged above the polishing pad and is used for adsorbing the board-level substrate on the polishing pad; the polishing liquid inlet is formed in the center of the polishing disc and the polishing pad, vertically penetrates through the interiors of the polishing pad and the polishing disc and is connected with a liquid inlet control part; the control component is used for controlling the polishing liquid to pass through the interior of the polishing disc from bottom to top to be output from the center of the polishing pad through pressure to form an under-disc liquid inlet mode. The polishing effect of the board-level substrate can be improved.

Disc (3) for a motor vehicle, comprising a circumferential edge region (4), wherein weight elements (5) are arranged in the edge region, wherein the disc is a composite disc, wherein the composite disc comprises an outer disc, an inner disc and a connecting layer, wherein the outer disc and the inner disc are connected to each other via the connecting layer, characterized in that the weight elements are arranged on the inner disc.

The utility model discloses an optical disc gripping device, which relates to the technical field of optical disc gripping and comprises a connecting disc, an inserting cylinder is connected to the center of the bottom of the connecting disc, and a plurality of outer cylinders distributed in an annular array are slidably connected to the bottom of the inserting cylinder, so that the top of a second rubber block abuts against the bottom of an optical disc and slides at the bottom of a fixed cylinder through a plurality of movable cylinders. According to the optical disk grabbing device, the moving cylinder is driven to move towards one side of the optical disk, the first rubber block is driven to move towards one side of the optical disk, the bottom of the first rubber block abuts against the top of the optical disk, a second rubber block is matched, the optical disk is clamped, the optical disk is moved, and then the optical disk is grabbed. Therefore, the problems that an existing device is too complex in structure, stable limiting of the optical disc cannot be guaranteed, the maintenance cost is high, the optical disc is prone to falling and being damaged in the using process, and using is very inconvenient are solved.

The invention relates to a machining method of a polishing disc for crystal glass polishing, and belongs to the technical field of glass polishing. In order to solve the existing problems of poor water resistance and easy generation of scratches, the invention provides a processing method of a polishing disk for crystal glass polishing, the method comprises the following steps: weighing raw materials for processing the polishing disk, the raw materials comprise the following components by weight: 10 parts of cerium oxide polishing powder; 11 to 13 parts of resin; 13-15 parts of sodium sulfate; the resin is selected from one or more of epoxy resin glue, unsaturated polyester resin glue and phenolic resin glue; the preparation method comprises the following steps: uniformly mixing the raw materials to form a pasty mixture, adding the pasty mixture into a polishing disk mold, and performing high-pressure compression molding under the condition that the processing temperature is controlled to be 80-90 DEG C to form the polishing disk; the pressure of high-pressure compression molding is controlled to be 15 MPa or above. The water-resistant polishing disk has the advantage of good water resistance, does not have the defect of dissolving in water, can form a high-density polishing disk, and prolongs the service life of the polishing disk.