摘要:
A method includes: charging a polishing material into a polishing apparatus that polishes a surface of a cylindrical film including a resin; alternately and repeatedly performing a surface-roughening operation of causing the polishing material to collide with the surface of the cylindrical film, thereby roughening the surface, and a cylindrical film replacing operation of replacing the cylindrical film on which roughening of the surface has been completed with another cylindrical film on which roughening of the surface has not been completed; replacing the polishing material by partially discharging the polishing material, and charging a new polishing material so that the percentage of the new polishing material with respect to the total amount of the polishing material after the new polishing material is charged becomes 30% by weight or more; and alternately and repeatedly performing the surface-roughening operation and the cylindrical film replacing operation again.
摘要:
A sulfenamide vulcanization accelerator is provided that acts satisfactorily slowly on a vulcanization reaction, produces no carcinogenic nitrosamine, and is free from environmental hygiene problems such as bioaccumulation. Also provided is an N-alkyl-N-t-butylbenzothiazole-2-sulfenamide represented by formula [I]. The vulcanization accelerator is a vulcanization accelerator for rubber, containing this compound. Furthermore provided is a process for producing the vulcanization accelerator. wherein R represents methyl, ethyl, n-propyl, or n-butyl.
摘要:
A steering device includes left and right arm mechanisms each including a front arm and a rear arm whose one ends are rotatably connected to a wheel-mounting portion at wheel-side connecting points and whose other ends are rotatably connected at body-side connecting points. The front arm and rear arm of the arm mechanisms each include a plurality of links, and adjacent links are rotatably connected to each other at an intermediate connecting point. An arm driving device drives the arm mechanisms independently from each other such that the angles of individual links around the connecting points are uniquely determined.
摘要:
A sulfenamide vulcanization accelerator is provided that acts satisfactorily slowly on a vulcanization reaction, produces no carcinogenic nitrosamine, and is free from environmental hygiene problems such as bioaccumulation. Also provided is an N-alkyl-N-t-butylbenzothiazole-2-sulfenamide represented by formula [I]. The vulcanization accelerator is a vulcanization accelerator for rubber, containing this compound. Furthermore provided is a process for producing the vulcanization accelerator. wherein R represents methyl, ethyl, n-propyl, or n-butyl.
摘要:
An injection molding machine comprises a pre-pressure addition means 2 adding a pre-pressure B acting in the opposite direction of a molding material pressure A received by a screw 1 to a detection means 3 and/or the screw 1, the detection means 3 detecting the axial pressures A and B of the screw, and a screw movement control means 4 controlling the axial pressure based on a different between the pre-pressure B and the molding material pressure A, wherein the pre-pressure addition means 2 is made non-contact with the direction means 3, a forward and backward driving motor 17 is disposed adjacent to a heating cylinder 10, and a screw connector 21 at the rear end of the screw 1 is spline-connected inside a rotating rotor of a screw rotating motor 12. According to the machine, the molding material pressure received by the screw can be accurately detected without being affected by the wear of the machine so as to properly control the axial pressure of the screw and to make the machine compact.
摘要:
A cartridge transferring robot for use in a library apparatus which is capable of improving the accuracy of the cartridge inserting/extracting angle of a hand mechanism and further of ensuring the positional accuracy of the tip portion of the hand mechanism sufficient for direct insertion and extraction of a cartridge into/from a drive unit. In the present invention, for these purposes, a tilt mechanism for adjusting the angle of the cartridge inserting/extracting direction with respect to a horizontal plane is composed of a tilt base for supporting a picker section so that the picker section is swingable around a supporting shaft located on a picker section front surface side facing a place for insertion or extraction of the cartridge, and a swinging drive mechanism disposed on the rear side of the picker section for making the picker section swing around the supporting shaft with respect to the tilt base. Further, this invention is for transferring cartridges among a storage unit, a cartridge entry/exit station and a drive unit within a library apparatus storing a large number of cartridges such as magnetic tape cartridges and optical disk cartridges.
摘要:
An accessor includes a drive mechanism having a direct drive swivel mechanism which does not utilize a timing belt, and reduces the required installation space while maintaining a high degree of positioning accuracy. The direct drive swivel mechanism preferably includes an external gear mounted coaxially to the swivel axis of the picker section and integrated into the picker section, an internal gear meshing with the external gear, and a drive mechanism for directly driving the internal gear to swivel the picker section.
摘要:
For resiliently supporting a transducer head on a carrier member, such as a head carriage or a load arm pivoted thereon, that is movable radially of a flexible magnectic disk, a flexure seat is provided which is fabricated from resilient sheet metal material. The flexure seat comprises a central portion of circular or polygonal shape on which the transducer head is to be fixedly mounted, a peripheral portion surrounding the central portion and to be secured to the head carrier member, and several bridge portions interconnecting the central and peripheral portions at points angularly spaced from one another about the center of the central portion. Each bridge portion comprises two deflective strips of approximately the same length extending along the periphery of the central portion substantially in parallel relation to each other and joined to each other each at one extremity thereof. The other extremities of the deflective strips are joined respectively to the central portion and to the peripheral portion. So configured, the bridge portions permit the transducer head on the central portion to be resiliently displaced only in a direction normal to the principal plane of the flexure seat and, therefore, to that of the magnetic disk.
摘要:
A steering device includes left and right arm mechanisms each including a front arm and a rear arm whose one ends are rotatably connected to a wheel-mounting portion at wheel-side connecting points and whose other ends are rotatably connected at body-side connecting points. The front arm and rear arm of the arm mechanisms each include a plurality of links, and adjacent links are rotatably connected to each other at an intermediate connecting point. An arm driving device drives the arm mechanisms independently from each other such that the angles of individual links around the connecting points are uniquely determined.
摘要:
An apparatus for calculating power consumption includes a behavioral synthesis unit for generating a clock-level description by behavioral synthesis of an algorithm description; a clock-level simulation unit for simulating a clock-level description and calculating operating ratios of storage elements and arithmetic units indicated by the clock-level description; a storage-element power calculation unit for calculating a predicted value of power consumption of a storage element portion based upon a power calculation formula, which has been read out of a power-calculation-formula file, and the operating ratios of the storage elements; and a combinational-circuit power calculation unit for calculating a predicted value of power consumption of an arithmetic unit portion based upon a power calculation formula, which has been read out of the power-calculation-formula file, and the operating ratios of the arithmetic units, and calculating a predicted value of power consumption of a combinational circuit, with the exception of arithmetic units, based upon a power calculation formula, which has been read out of the power-calculation-formula file, the operating ratios of the storage elements and arithmetic units and the operating ratios of input/output ports.