53results about How to "Ensure sliding" patented technology

A main shaft apparatus (10) of a built-in motor system, wherein a rotary shaft (12) is provided with: a first cylindrical component (71) made of metal material; and a second cylindrical component (72) made of carbon fibre composite material, which is positioned on the outer peripheral surface of the first cylindrical component (71) and into the outer peripheral surface of which a rotor (20) fits. By virtue of this, the temperature increase of the rotary shaft and a bearing due to the heat produced by the rotor can be controlled and processing precision can be improved.

An object of the present invention is to provide a guidewire preventing cracks from being generated at a hydrophilic coating agent and excellent in lubricity by securing flexibility of the hydrophilic coating agent on its surface side even in a case of using the cross-linked hydrophilic coating agent. The guidewire 1 includes a core shaft 2, a coiled body 3 provided at a tip portion of the core shaft 2, a most distal portion 4 fixing a front end of the core shaft 2 and a front end of the coiled body 3, and a hydrophilic coating agent 5 coating the coiled body 3 and the most distal portion 4 and cross-linked by a cross-linking agent 7. The degree of cross-linking of the hydrophilic coating agent 5 decreases from a side of the coiled body 3 toward a surface side.

A profile stamping device comprises a carrying platform, a supporting member, a stamping module, elastic members and a first positioning plate. The supporting member comprises a plurality of stand columns and a fixing plate. The stamping module comprises an extensible member, a connecting plate and a punch. The extensible member is fixedly arranged on the fixing plate, and the extensible end of the extensible member is penetratingly arranged on the fixing plate. The connecting plate is arranged between the carrying platform and the fixing plate, and is fixedly connected with the extensible end which drives the connecting plate to move. The punch is fixedly arranged on the connecting plate and is far away from the extensible end. The connecting plate drives the punch to move. One end of each elastic member is fixedly connected with the connecting plate. The first positioning plate is connected with one ends, away from the connecting plate, of the elastic members. The distance between the first positioning plate and a profile is smaller than the distance between the punch and the profile. The first positioning plate moves to enable two ends thereof to be accommodated in guide rails and abutted against the side walls of the profile, and the two ends of the first positioning plates support the two side walls of the profile when the punch punches hooks, so that deformation of the profile is avoided. The invention further provides a profile stamping method.

By using a sintered body composed of 58-92.5% by mass of TiCN, 0.01-1% by mass of Ti, 0.01-2% by mass of TiC, 0.01-2% by mass of TiN and the balance of TaC, Ni and Cr, there can be obtained a sliding member, film-forming material and die for hot extrusion molding which exhibit high strength, high hardness, high toughness and high sliding properties in an environment of about 400-600 DEG C, and a hot extrusion molding apparatus using such a die for hot extrusion molding.

The invention provides a variable capacity hydraulic device. The variable capacity hydraulic device includes a housing, a cylinder, pistons, an inclined plate, an oil groove, a work piston and a servo mechanism, wherein the cylinder is arranged in the housing in the rotary way; the pistons are respectively inserted in a plurality of cylinder holes in the cylinder; the inclined plate is arranged on the pistons and on the opposite side end in the cylinder holes of the pistons, and is arranged in the sliding way relative to the opposite side end, and can move in the inclined way and can slide on the housing; the oil groove is formed on any one of the sliding surface of the housing and the sliding surface of the inclined plate, and is used for guaranteeing the sliding property between the housing and the inclined plate; the work piston is used for moving the inclined plate in the inclined way; and the servo mechanism supplies hydraulic oil to drive the work piston and supplies the secondary pressure generated by the servo mechanism to the oil groove.

Provided is a hydraulic shock absorber such that an oil film stuck to the outer periphery of a rod is removed to the utmost, resulting in the oil outflow amount being reduced, and that at the same time, it is made possible to secure satisfactory slidability between said rod and a rod gasket and to prevent wear of said rod gasket. A first lip (26) for scraping off the oil film (7a) which is stuck to the outer periphery of the rod (11) is formed in the rod gasket (20), which is interposed between the outer periphery of the rod (11) and the inner periphery of a rod side end wall (3). Furthermore, a ring-shaped grease retaining member (28) which supplies retained grease to the outer periphery of the rod (11) is provided. Said grease retaining member (28) is made to contact the outer periphery of the rod (11) at a position nearer the rod tip than is the first lip (26).

The invention provides a flexible cable for intelligent equipment and a production process thereof. The cable comprises three power wire cores, two control wire core groups, a central reinforcing member, an inner sheath, a reinforcing layer and an outer sheath, wherein the two control wire core groups and the three power wire cores are arranged in a five-equal-division manner, and the central reinforcing member is arranged at a gap to form a cable core; and the inner sheath, the reinforcing layer and the outer sheath are sequentially arranged outside the cable core. The characteristics of wearresistance, high and low temperature resistance, pulling resistance, bending resistance, corrosion resistance and excellent insulation of the cable are improved, and the problems that the core of a pulling cable is easy to break and faults frequently occur in the prior art are solved.

The invention provides a master cylinder capable of preventing a retainer from interfering with the maintainer inner bottom even a piston is formed by forging and capable of assuring excellent slide performance of the piston. The master cylinder comprises a bottomed cylindrical cylinder body, a piston (18) formed into a bottomed cylindrical shape and slidably disposed in the cylinder body, and a spring assembly (79) comprising a spring (78) urging the piston (18) toward an opening side of the cylinder body and a length of a spring of the spring assembly is determined by a retainer (82) which can abut against an inner bottom portion (91) of the piston (18). An annular groove (99) is formed on the most outer side of the inner bottom portion (91) of the piston (18)by the forging method.

The invention discloses an anti-rib-forming and anti-wrinkling printing film and a preparation method thereof, wherein by means of specific components and technologies, the total thickness, as well thickness of every layer and thickness ratio, of the printing film in an A / B / C layered lamination structure are defined, so that stiffness and thickness uniformity of the printing film are improved, thereby improving the anti-rib-forming and anti-wrinkling properties thereof.

The invention relates to the field of plastic films, and particularly discloses a BOPP film and a preparation method thereof.The BOPP film comprises a surface layer, a core layer and a bottom layer, and the core layer is prepared from, by weight, 50-60 parts of polypropylene; 2-3 parts of nano titanium dioxide; 0.2-0.4 part of an antibacterial agent; 0.1-0.2 part of a slipping agent; 0.5-1 part ofan antistatic agent; and 5-6 parts of a pearling agent. Polyhexamethylene guanidine hydrochloride is adopted as the antibacterial agent. The polyhexamethylene guanidine hydrochloride is an organic antibacterial agent with a certain polymerization degree, does not contain a heterocyclic structure, is relatively high in safety, has a melting point far lower than the processing temperature of polypropylene, can be fully melted in the polypropylene during processing, does not easily influence the haze and light transmittance of the antibacterial BOPP film, and provides a good antibacterial property for the BOPP film.

Disclosed is a light-blocking member for optical instruments which has delustering properties while maintaining physical properties of a light-blocking film such as light-shielding properties and sliding properties. Specifically disclosed is a light-blocking member (1) for optical instruments which is composed of a base (2) made of a synthetic resin film, and a light-blocking film (3) formed on at least one side of the base (2). The light-blocking film (3) contains a binder resin and carbon black (31), a particulate lubricant (32), and specific fine particles (33). The specific fine particles (33) are organic or inorganic fine particles having an oil absorption of 250(g / 100g), and silica is particularly preferably used for such specific fine particles.

Disclosed is a sheet material (18) which is intended to be adhered to a glass substrate suction table for a glass substrate-processing machine. The sheet material (18) has a hardness of 90 to 95 degrees in accordance with JIS K6253 or JIS K7215, a thickness of 0.7 mm or less, and a coefficient of kinetic friction of 0.3 or less. Preferably, the sheet material (18) has a multi-layered structure composed of at least a urethane sheet material (32) and an olefin sheet material (or a nitflon sheet material) (34), and has a total thickness of 0.7 mm or less.

The present invention relates to: a thermoplastic elastomer composition which comprises 5-30 parts by mass of an ethylene / alpha-olefin / unconjugated polyene copolymer (A), 20-40 parts by mass of a crystalline olefin resin (B) having a density of 0.90-0.92 g / cm<3>, 20-40 parts by mass of a high-density polyethylene (C) having a density of 0.94-0.97 g / cm<3>, 5-12 parts by mass of an ethylene / alpha-olefin copolymer (D) formed from ethylene and a C3-12 alpha-olefin, and 5-9 parts by mass of a silicone compound (E) (the sum of components (A), (B), (C), (D), and (E) is taken as 100 parts by mass); and an automotive glass run channel formed from the thermoplastic elastomer composition.

By using a sintered body composed of 58-92.5% by mass of TiCN, 0.01-1% by mass of Ti, 0.01-2% by mass of TiC, 0.01-2% by mass of TiN and the balance of TaC, Ni and Cr, there can be obtained a sliding member, film-forming material and die for hot extrusion molding which exhibit high strength, high hardness, high toughness and high sliding properties in an environment of about 400-600 DEG C, and a hot extrusion molding apparatus using such a die for hot extrusion molding.

Provided is a centrifugal clutch capable of increasing clutch capacity by using a simple configuration. The centrifugal clutch 200 comprises a drive plate 210 that has direct rotation drive as a result of the drive force of an engine. The drive plate 210 comprises both a swing support pin 214 and a guide section 216. The swing support pin 214 is fitted into a pin sliding hole 221 formed in a clutch weight 220 and swingably supports the clutch weight 220. The guide section 216 extends inclined towards the rear and outwards, in the rotation drive direction of the drive plate 210, is formed in anotched or hole shape, and has a protruding body 224 on the clutch weight 220 being in contact therewith. The pin sliding hole 221 is formed in a long hole shape that allows displacement of the clutchweight 220 towards the rear side in the rotation drive direction of the drive plate 210. The protruding body 224 is formed protruding from the clutch weight 220.

The invention discloses a mechanism for outputting power during wood processing. The mechanism includes a shell body, a driving shaft, a bearing seat, power transmission teeth, and an oil liquid guiding assembly, wherein the driving shaft, the bearing seat and the transmission teeth form an oil liquid storing cavity. The driving shaft is provided with a first oil liquid communicating hole and a second oil liquid communicating hole. The oil liquid guiding assembly includes a pipe-shaped driven shaft and a driven shaft fixing piece. The driven shaft fixing piece includes a positioning pipe and aring positioning table. The positioning pipe penetrates through the top of the shell body and the ring positioning table is fixed to the shell body. An inner channel of the pipe-shaped driven shaft is connected with and communicates with the positioning pipe inner channel and a first oil liquid communicating hole. The top of the side wall of the pipe-shaped driven shaft and the bottom of the sidewall of the positioning pipe form inclined surface contact. When the mechanism for outputting power is used, oil liquid is easily added to the bearing seat, and reliability and stability when the mechanism is used can be ensured accordingly.

Disclosed is a sheet material (18) which is intended to be adhered to a glass substrate suction table for a glass substrate-processing machine. The sheet material (18) has a hardness of 90 to 95 degrees in accordance with JIS K6253 or JIS K7215, a thickness of 0.7 mm or less, and a coefficient of kinetic friction of 0.3 or less. Preferably, the sheet material (18) has a multi-layered structure composed of at least a urethane sheet material (32) and an olefin sheet material (or a nitflon sheet material) (34), and has a total thickness of 0.7 mm or less.

The invention discloses an image pickup device with a scoring function. The image pickup device comprises a camera shell and a central controller, rotators are arranged at the left end and the right end of the camera shell. A waterproof connecting shell is arranged on the lower sides of the rotators; a base is connected under the waterproof connecting shell. A display screen is arranged in the middle of the base; a waterproof film is arranged on the upper surface of the camera shell, rotating rollers are arranged at the left end and the right end of the waterproof film, a focusing ring is arranged in the camera shell, a lens is arranged at the part of the focusing ring, an infrared filter is arranged at the bottom of the focusing ring, and an image sensor is arranged on the lower side of the infrared filter. The camera shell and the rotator form a rotating structure through the rotating rod, the rotator is fixedly connected with the waterproof connecting shell, and after the central controller sends a command to the direction sensor, the direction of the camera shell can be adjusted, so that an object is completely shot for systematic scoring.

The invention discloses a power transmission mechanism for a wood processing machine. The power transmission mechanism comprises a shell, a driving shaft, bearing pedestals, a power transmission gear, an oil flow guiding assembly and a driven shaft limiting assembly. The driving shaft, the bearing pedestals and the power transmission gear define an oil storage cavity. A first oil circulating hole and a second oil circulating hole are formed in the driving shaft. The oil flow guiding assembly comprises a tubular driven shaft and a driven shaft fixing piece. The driven shaft fixing piece comprises a positioning tube and an annular positioning table. The positioning tube penetrates through the top of the shell, and the annular positioning table is fixed to the shell. The upper end and the lower end of the tubular driven shaft make contact with the bottom of the positioning tube and the top of the driving shaft correspondingly. The bottom of the side wall of the positioning tube is recessed inwards to form a limiting groove. The top of the side wall of the tubular driven shaft protrudes upwards to form a joint tube, and the joint tube is embedded into the limiting groove. The driven shaft limiting assembly comprises a supporting rod and a limiting ring. The tubular driven shaft penetrates through an inner ring body of the limiting ring. When the power transmission mechanism is applied, oil can be added to the bearing pedestals conveniently, and thus reliability and stability of the power transmission mechanism during application can be guaranteed.