摘要:
A process for continuously casting thin slabs, which comprises the steps of pouring a molten metal from a large-sized tundish through a sliding nozzle into a small-sized tundish, over-flowing the molten metal from the small-sized tundish to pour the molten metal into a continuous casting machine of the twin-belt type is disclosed. According to the process, a pouring rate into the small-sized tundish is calculated prior to overflow on the basis of a change in weight of the small-sized tundish and the degree of opening of the sliding nozzle is adjusted so as to make the calculated pouring rate come close to the target pouring rate into the small-sized tundish or into the casting machine.
摘要:
A process for controlling the molten metal level in continuous thin slab casting in which molten metal poured from a large-sized tundish into a small-sized tundish through a sliding nozzle is caused to overflow from the small-sized tundish for casting through a tiltable casting spout into a twin-belt-type continuous casting machine is disclosed. The process comprises measuring the level of molten metal on the casting machine to provide a deviation signal representative of a deviation of the level of the molten metal from a target value; and adjusting a directly influencing factor on the molten metal level, such as a pouring rate of the molten metal into the mold and a pulling speed of the molten metal according to the deviation signal. Preferably, the process further comprises measuring the directly influencing factor to provide a deviation signal representative of the directly influencing factor relative to the normal value, and adjusting the degree of opening of the sliding nozzle of the large-sized tundish according to the deviation signal to regulate the pouring rate into the small-sized tundish.
摘要:
A sleepiness sign detection apparatus, includes: a head movement detection unit configured to detect a head movement to generate a head movement data; an eye movement detection unit configured to detect an eye movement to generate an eye movement data; an ideal eye movement angular velocity calculation unit configured to calculate an ideal eye movement angular velocity based on the head movement data generated by the head movement detection unit; an eye-rotation angular velocity calculation unit configured to calculate an eye-rotation angular velocity based on the eye movement data generated by the eye movement detection unit; and a sleepiness sign detection unit configured to detect vestibule-ocular reflex (VOR) from the ideal eye movement angular velocity and the eye-rotation angular velocity, and determine a sign of sleepiness based on the vestibule-ocular reflex.
摘要:
A first compression stage and a second compression stage being arranged at positions adjacent to each other. The first centrifugal impeller and the second centrifugal impeller are arranged in such an orientation that back sides of the first centrifugal impeller and the second centrifugal impeller face to each other. A connection flow path is formed in the first housing and the second housing for introducing the compressed fluid from the first compression stage into the second compression stage. An upstream portion of the connection flow path is formed integrally with the first housing, and a downstream portion of the connection flow path is formed integrally with the second housing.
摘要:
A molding die for efficiently molding a material for a synthetic resin molded foam at a high expansion ratio, a low density, and a high yield with the least occurrence of burrs or flashes. In this molding die, the upper die is mounted on the lower die to form an enclosed cavity therebetween. An opening portion is formed in the upper die, and a cylindrical chamber member with its head closed is air-tightly mounted on the upper die to cover the opening portion. A piston is provided in a chamber in the chamber member such that when a leading end portion of the piston is inserted in the opening portion, a micro-spacing for communicating the cavity to the chamber is formed between the leading end portion of the piston and the opening portion. A piston drive means for vertically moving the piston and for usually setting a leading end surface of the piston at a lower surface of the upper die is provided in the chamber. A pressure adjusting means is provided for evacuating air in the chamber to reduce a pressure in the chamber. In the molding die, when the air in the chamber is evacuated, air in the cavity is also evacuated through the micro-spacing.
摘要:
An energy absorbing member has a mounting portion with a reinforced proximal end, and is easy to produce. The energy absorbing member (20) includes a disc-like main body portion (21) comprised of foamed resin such as hard urethane foam, a mounting portion (22) protruding from the side surface of the main body portion (21), and a reinforcing piece (23) embedded in the mounting portion (22). The reinforcing piece (23) extends from the mounting portion (22) to the interior of the main body portion (21). A mounting hole 24 is formed in the mounting portion (22), for securing the energy absorbing member (20) to a core member or the like. The mounting hole (24) extends through the reinforcing piece (23) in the thickness direction of the mounting portion (22).
摘要:
A seat with a seat sensor includes a soft pad having a cavity extending upwardly from a bottom surface thereof, a pressure sensitive sheet sensor for sensing a person sitting on the pad, and a soft material disposed in the cavity such that the soft material is prevented from coming off from the cavity. The sheet sensor is disposed on an upper portion of the soft material.
摘要:
A molded foam containing no voids and a mold for forming such a molded foam are provided. A molded foam 5 has an external corner 5a where a small rib 10 is formed and a recessed step 7 where thin plate-like ribs 11 are formed. The rib 10 has a triangular cross-sectional shape in a direction perpendicular to the longitudinal direction of the recessed step 7. The rib 10 is tapered from the base to an end thereof in a direction in which the rib 10 protrudes. The ribs 11 are arranged at intervals in the longitudinal direction of the recessed step 7.
摘要:
A mold apparatus for producing a synthetic resin foam part has a mold assembly (1) comprising a lower mold (2), an upper mold (3) removably attached to the lower mold to define a closed space, and an insert (4) removably disposed in the closed space. The insert has a partition (6) which is faced to the upper mold through a gap (11). The partition defines a chamber (7) between the insert and the upper mold. The closed space excluding the chamber constitutes a cavity (8) into which a molding compound is introduced. A pressure regulator means (21) is provided for exhausting air from the chamber (7) to keep the chamber in a subatmospheric pressure whereby air in the cavity (8) is also exhausted through the gap. A foam part is produced by feeding a synthetic resin blow molding compound into the cavity (8) under atmospheric pressure, tightly closing the mold assembly, exhausting air from the chamber and from the cavity through the gap to establish a subatmospheric pressure in the cavity, and causing the molding compound to be blow molded.
摘要:
Only a flip flop circuit (11a), an n-channel enhancement type transfer transistor (Qn11) coupled between an input node and the flip flop (11a) and a p-channel enhancement type reset transistor (Qp12) coupled between a power voltage line (Vcc) and the flip flop circuit (11a) form in combination a temporary information storage circuit, and the n-channel enhancement type transfer transistor (Qn11) and the p-channel enhancement type reset transistor (Qp12) are respectively controlled by a latch control signal (CTL2) and an enable/reset signal (EBL2) for changing the status of the flip flop circuit.