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77results about How to "Reduce the amount of rotation" patented technology

Spin finish

The present spin finish composition comprises at least about 10 percent by weight based on the spin finish composition of components (a) and (b) having the formula R1—(CO)x—O—(CH(R2)—CH2—O)y—(CO)z—R3 wherein each of R1 and R3 is selected from the group consisting of hydrogen or an alkyl group having from one to 22 carbon atoms or an alkylene hydroxy group having from one to 22 carbon atoms, x is zero or one, R2 may vary within component (a) or component (b) and is selected from the group consisting of hydrogen or an alkyl group having from one to four carbon atoms, y is zero, or from one to 25, and z is zero or one, in component (a), x and z are equal to zero and the average molecular weight of component (a) is less than or equal to 1,900 and if R2 varies, component (a) is a random copolymer; and in component (b), at least x or z is equal to one or component (b) is a complex polyoxyethylene glyceride-containing compound having greater than 10 polyoxyethylene units; up to about five percent by weight based on the spin finish composition of component (c) of an ethoxylated silicone; and at least about one percent by weight based on the spin finish composition of component (d) having the formula R4(CH2O(CO)aR5)b wherein R4 is —C— or —COC—; a is 0 or 1; R5 is —H; from —CH3 to —C18H37; or —CH(R6)—CH2O; b is 4 or 6; and R6 is —H or —CH3 or —H and —CH3 in a ratio of 10:90 to 90:10. The present spin finish composition may be used on industrial yarn.
Owner:PERFORMANCE FIBERS

Compact clamping cartridge for panel-type products

A clamping cartridge is provided which comprises a plurality of clamping mechanisms spaced apart on a frame or chassis. The clamping mechanisms are generally oriented perpendicular to their direction of spacing. The clamping mechanisms are of the type which comprise a pair of relatively movable jaws which are normally biased towards one another such that they resist opening and which return to a closed or substantially closed condition in the absence of external forces. An actuator operable in association with the clamping mechanisms serves to open and close the jaws of the clamping mechanisms in unison. The actuator includes a series of rotatable tapered cylindrical cam wheels disposed on a rotatable cam shaft to ultimately effect opening and closing of the clamps, which cam wheels are disposed generally within the clamps. By providing apertures or slots in the jaws of the clamps to accommodate the cam shaft, a considerable reduction in the height of the cartridge can be realized. The cam shaft is rotatably supported in bearings and a detachable handle is provided with which the shaft can be rotated. While the clamps are closeable in unison, they are individually self-adjusting so the extent of closure for each clamp is dependent on the thickness or presence of an inserted article. The clamping cartridges are useful in a variety of applications requiring clamping of one or more articles in a side-by-side relationship. One such application is a transportation/storage rack which includes a plurality of aligned horizontal and vertical clamping cartridges for clamping the edges of glass panels.
Owner:1546300 ONTARIO

Assembly line production method for single crane boom and assembly line production device

The invention discloses an assembly line production method for a single crane boom. The assembly line production method comprises the following steps of hanging an upper chord member and two lower chord members to a chord member conveying line for conveying the chord members, wherein one end of the upper chord member and one end of each of the lower chord members are welded with joints; when the chord members are conveyed to a swing welding station, feeding the chord members and a web member to an overall swing welding tool for performing swing arrangement and spot welding on all the parts to form a crane boom frame; hanging the crane boom frame from the overall swing welding tool to a carrying roller conveying line, conveying the crane boom frame to a crane boom frame welding station by the carrying roller conveying line, and firmly welding all the parts of the crane boom frame on the crane boom frame welding station; conveying the welded crane boom frame to a single section forming station through the carrying roller conveying line, hanging the crane boom frame to a single section forming tool, and spot-welding joints on the end parts, which are not provided with the joints, of the chord members to form a crane boom section; hanging the crane boom section from the single section forming tool to a plate chain conveying line, conveying the crane boom section to a crane boom section welding station by the plate chain conveying line, and firmly welding the joints and the chord members on the crane boom section welding station. The invention also provides an assembly line production device for the single crane boom.
Owner:ZOOMLION HEAVY IND CO LTD

High-sensitivity fiber grating acceleration sensor

The invention provides a high-sensitivity fiber grating acceleration sensor, which belongs to the technical field of vibration monitoring. The high-sensitivity fiber grating acceleration sensor comprises a measurement substrate A or a measurement substrate B, a rigid beam and a balance spring, wherein the balance position of the rigid beam is basically parallel with the measurement substrate A orbasically vertical to the measurement substrate B; one end of the rigid beam is hinged with a frame body fixedly connected with the measurement substrate A or the measurement substrate B through a rotating shaft, and the other end of the rigid beam is fixed with a mass block; one side of the rigid beam or the mass block is provided with the balance spring for enabling the rigid beam to be in a balance position; one side or two sides of the rigid beam is or re provided with one or two fiber gratings; and when the measurement substrate A or the measurement substrate B vibrates along with a monitored piece, the fiber grating can directly sense the vibration information of the rigid beam. The sensor sensitivity is improved obviously, the transverse sensitivity of the acceleration sensor can beeffectively suppressed, and the high-sensitivity fiber grating acceleration sensor has the advantages of simple structure, durability, not easy damage, small dynamic errors, accurate measurement, high sensitivity, high accuracy and high efficiency.
Owner:SHIJIAZHUANG TIEDAO UNIV

Quartz clock and watch rotor wheel

The invention discloses a quartz clock and watch rotor wheel which is low in starting voltage and power consumption. The rotor wheel comprises a wheel disc, wherein the edge of the cross section of the wheel disc is provided with at least three symmetric edge lugs which are the same in thickness, the outmost edges of all the edge lugs are located on the same excircle with the axis of the wheel disc as a center, and the wall thickness of the largest transverse portion of each edge lug is 0.01 mm-0.3 mm larger than that of other portions of the disc wall of the wheel disc. According to the rotor wheel, on the condition that injection molding is safely formed, the thickness of the disc wall of the wheel disc is effectively reduced, and accordingly the weight is correspondingly reduced, namely rotation inertia of the rotor wheel can be effectively reduced; due to the action of the edge lugs, during assembling, the inclination angle of the rotor wheel is smaller than the inclination angle of a rotor wheel which is assembled in the prior art. On the condition that identical materials and magnetic steel are used, the rotation inertia of the rotor wheel is effectively reduced, and accordingly the starting voltage and the power consumption are low; additionally, the rotation inertia is small, and accordingly the rotor wheel is reliable when moving.
Owner:吴中一

Crank press ball head screw and spherical bowl combined grinder

The invention provides a crank press ball head screw and spherical bowl combined grinder. The grinder comprises a power source, a ball head driving mechanism and a spherical bowl driving mechanism, wherein the spherical bowl driving mechanism comprises a gear and worm mechanism, a second belt pulley, a spherical bowl support and a bowl opening baffle; grinding sand is placed in a spherical bowl cavity; a ball head end of the ball head screw is placed at the spherical bowl cavity and comprises a ball head and a ball head cover plate at the rear of the ball head; the bowl opening baffle limits the ball head end; the spherical bowl support rotates synchronously along with a worm gear; a worm of a gear and worm mechanism is connected with the second belt pulley and is driven by the second belt pulley; the ball head driving mechanism comprises a support, a third belt pulley and an eccentric connecting rod mechanism; the eccentric connecting rod mechanism drives the support to swing in a reciprocating manner; a positioning frame is arranged at the upper edge of the support; a positioning through hole is formed in the positioning frame; the body of the ball head screw penetrates in the positioning through hole; and when the support drives the body to swing, the ball head rotates at the bowl cavity in the left-right direction. The crank press ball head screw and spherical bowl combined grinder can be used for rapidly grinding the ball head of the ball head screw and the spherical bowl cooperated with the ball head.
Owner:FUZHOU UNIV

Recording device, control method, and recording medium

A recording device including a carriage head, a recording head installed onto the carriage head, the recording head having an array of nozzles that discharges ink on a recording medium, a transfer roller that transfers the recording medium in a direction along the array of nozzles, a control device that controls rotation of the transfer roller, a first detection roller that detects a rotation position of the transfer roller, and a second detection device that detects a mark printed on the recording medium by the recording head, the control device including a print control device that controls printing the marks on the recording medium in the direction along the array of nozzles from the array of nozzles of the recording head while the carriage and the transfer roller remain still, a calculation device that calculates a correction amount for use in correction of a rotation angle of the transfer roller according to a difference between an actual transfer amount of the recording medium by the transfer roller at a predetermined rotation position obtained by detection of the marks by the second detection device while the transfer roller is in rotation and a theoretical transfer amount of the recording medium at the predetermined rotation position, and a correction device that corrects the rotation angle of the transfer roller using the correction amount.
Owner:RICOH KK

Refrigeration equipment and shutdown control method of compressor of refrigeration equipment

The invention provides refrigeration equipment and a shutdown control method of a compressor of the refrigeration equipment, and relates to the field of compressors. The problem that when a machine core of the compressor collides with and impacts on a shell of the compressor at the shutdown moment, great noise is caused is avoided. The refrigeration equipment comprises a compressor, a temperaturedetection device and a control device; the temperature detection device is used for detecting the temperature of a temperature control area of the refrigeration equipment; and the control device is configured to be characterized in that if the rotating speed of the compressor is determined to be larger than the Nth preset rotating speed, the compressor is controlled to be sequentially deceleratedto the nth preset rotating speed by the nth preset accelerated speed according to the sequence of n from small to large and kept at the nth preset rotating speed for the nth preset duration, after thecompressor is controlled to be kept at the Nth preset rotating speed for the Nth preset duration, the compressor is decelerated to the preset shutdown rotating speed by the target accelerated speed,and after being controlled to be kept at the preset shutdown rotating speed for the target duration, the compressor is shut down.
Owner:HISENSE(SHANDONG)REFRIGERATOR CO LTD

Multidirectional conveying guider for flaky materials

The invention discloses a multidirectional conveying guider for flaky materials. The multidirectional conveying guider comprises a channel plate assembly and a reversing blade assembly. Multidirectional channels are formed on the channel plate assembly, the different channels on the channel plate assembly can be closed or opened by the reversing blade assembly, the reversing blade assembly is driven by a bidirectional electromagnet, the bidirectional electromagnet is driven by a power motor via a screw, and accordingly an optional channel on the channel plate assembly can be opened. The multidirectional conveying guider has the advantages that the bidirectional electromagnet and the power motor are matched with each other, so that the multidirectional channels can be selected, the multidirectional conveying guider is simple in structure and small in size, the work complexity can be greatly lowered, and the production and maintenance costs can be effectively reduced; the bidirectional electromagnet can work safely and quickly, and accordingly the multidirectional conveying guider is favorable for improving the work efficiency; movement is transmitted via the screw, so that the control precision of the multidirectional conveying guider can be effectively improved, and influence of errors of the motor can be prevented.
Owner:广州智萃电子科技有限公司

Driving-and-transmission integrated musculoskeletal driver and performance testing device thereof

The invention discloses a driving-and-transmission integrated musculoskeletal driver and a performance testing device thereof. The musculoskeletal driver is composed of muscle fiber imitated driving units and a flexible matrix. The shape of the flexible matrix and structures and spatial arrangement of the muscle fiber imitated driving units are designed according to the spatial structure of a realmuscle, thereby forming a muscle fiber imitated driving unit matrix and packaging in the flexible matrix. For testing function of the musculoskeletal driver, a driving air source is supplied to the musculoskeletal driver by an air pump, a pressure regulator and a pipeline. A load is applied to the musculoskeletal driver, thereby making the muscle fiber imitated driving units contract. In each contraction, motion of the musculoskeletal driver is recorded by a digital camera, and a relation among thickness of the musculoskeletal driver, the rotation magnitude of the muscle fiber imitated driving units and a load is measured, thereby obtaining a transmission ratio of the musculoskeletal driver. The performance testing device is used for verifying the driving-and-transmission integrated performance of the musculoskeletal driver and an automatic speed change characteristic according to load change.
Owner:JILIN UNIV

High-low voltage prefabricated substation with good protection performance

The invention discloses a high-low voltage prefabricated substation with good protection performance. The high-low voltage prefabricated substation comprises a bearing plate, a groove is formed in anupper end of the bearing plate, a first gear is rotatably connected to a bottom in the groove, a first notch is formed in a side wall of one end in the groove, a moving groove is formed in the first notch, and a reset mechanism is arranged in the moving groove. The situation that rain and snow easily enter a box body due to the fact that a side wall of the box body is opened in the past is avoided; the heat dissipation capability can be well ensured; a machine body can be ensured to be in an adaptive working temperature environment; meanwhile, a baffle and the box body can be connected into awhole; the baffle is prevented from rotating at will and can be effectively matched with the box body to isolate the machine body from the external environment, when foreign object collision occurs, the box body and the baffle can prevent the machine body from directly bearing collision, external force is counteracted in a deflection and movement mode, it is guaranteed that the machine body is notdamaged, the normal operation of the machine body is guaranteed, and the service life of the machine body is prolonged.
Owner:SHENZHEN XIDE ELECTRIC
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