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    • 3. 发明专利
    • METHOD AND DEVICE FOR SYNCHRONOUS TYPE CONTINUOUS CASTING
    • JPS5847544A
    • 1983-03-19
    • JP14684981
    • 1981-09-17
    • NIPPON KOKAN KK
    • KUSAKABE TAKASHIKOMATSU MASAMISUGAWARA TAKESHIOKAMOTO TERUZOUKAWABATA SHIGEO
    • B22D11/04B22D11/053B22D11/06B22D11/07
    • PURPOSE:To improve the surface characteristics of an ingot and to obtain dense solidified structure by connecting one end of a central shaft provided with an ultrasonic oscillation converging body to be supplied with electric power via a slip ring to a rotating drum-like synchronous mold of synchronous type continuous casting device. CONSTITUTION:A casting drum 1 which is a synchronous mold has a diameter and width of prescribed sizes. An ultrasonic oscillation converging body 14 is mounted with a central shaft 16 and a disc 17 intersecting orthogonally therewith, and ultrasonic oscillators 18 are radially screwed 19 to the respective end faces on the outside circumference of the regular polygon thereof. One end of the shaft 16 is screwed to the drum 1. A slip ring 22 having channels 25 for supplying electric power to the oscillators 18 is mounted to the other end of the shaft 16. High frequency electric power is supplied from a generator 27 thereof through these channels to the oscillators 18, the oscillation waves whereof are turned by 90 deg. and converged to the large horizontal oscillations of the shaft 16. Said oscillations are transmitted to the drum 1 whereby the radial oscillations are generated. Thus the lubrication between the drum and the solidified shell is improved, the oscillations are transmitted to the inside of the shell and the purpose is achieved.
    • 4. 发明专利
    • SYNCHRONOUS TYPE CONTINUOUS CASTING METHOD
    • JPS5847543A
    • 1983-03-19
    • JP14684881
    • 1981-09-17
    • NIPPON KOKAN KK
    • KUSAKABE TAKASHIKOMATSU MASAMISUGAWARA TAKESHIOKAMOTO TERUZOUKAWABATA SHIGEO
    • B22D11/04B22D11/053B22D11/06B22D11/07
    • PURPOSE:To improve the surface characteristics of an ingot and to obtain dense solidified structure in the stage of casting the ingot continuously with a casting drum-like synchronous mold which rotates by generating ultrasonic oscillations on the surface of the casting drum. CONSTITUTION:A casting drum 1 rotates in synchronization with the drawing speed of an ingot, and an ultrasonic oscillation converging body 14, an oscillator 20 for detection and a slip-ring 22 connected thereto rotate together. The respective oscillators 18 of the body 14 oscillate when supplied with high frequency electric power through a brush 25 and a ring 22 connected to a generator 27 for high frequency electric power. The oscillation waves are turned by 90 deg. to the central shaft 16 of a disc 17 and are transmitted as the large oscillation waves wherein the oscillation waves of the oscillators 18 are converged. The horizontal oscillations of the shaft 16 are transmitted to the drum 1, and make the diameter thereof to resonance sizes, thereby generating the oscillation waves in a radial direction. Then, the lubrication between the drum and the solidified shell is improved, the oscillations propagate to the inside of the shell, and the purpose is achieved. The oscillation waves of the set amplitudes are applied to the drum in follow up to the fluctuations in resonance frequencies generated on account of a change in the temp. of the oscillating system, by the oscillators 20 and a controller 29.