RU1501390C - Method and machine for horizontal continuous casting of ingots - Google Patents

Abstract

The invention relates to the continuous casting of metals and alloys on horizontal machines. The purpose of the invention is to increase the stability of the casting process and the resistance of the mold. The mold is rotatably mounted in the badge, and an additional bandage is installed between the mold and the mold, connected to the mold with the possibility of mutual mixing at a small angle. The method includes giving the mold a reciprocating motion relative to the ingot and a low amplitude vibrating motion directed around the axis of the mold. 2s P. f-ly, 2 ill.

Description

The invention relates to metallurgy, and more particularly to the continuous casting of metals and alloys on horizontal machines.

The purpose of the invention is to increase the stability of the casting process and the resistance of the mold.

The method is carried out on the proposed machine.

In FIG. 1 shows a machine, a longitudinal section; in FIG. 2 is a section AA in FIG. 1.

The machine comprises a metal receiver 1, a mold 2, an additional band 3 and a band 4, a tide 5, a vibrator 6, an arm 7, a shock absorber 8, rollers 9 and 10, a secondary cooling 11, a cage, a rotation mechanism 13. Bracket 7 is rigidly attached to the crystallizer 2, on which the vibrator-6 and the shock absorber are mounted 8. The bandage 3 has a tide for connecting to the bracket and an earring for connecting

with drive. The mold 2 and the wires 3 and 4 are mounted concentrically with the ability to make reciprocating movements on the rollers relative to each other. The mold 2 and the band 3 are interconnected with the help of the bracket 7 and the tide 5 through the shock absorber 8, therefore, the mold has the ability to make reciprocating movements relative to the band 3.

, The device operates as follows.

The vibrator is turned on and the metal receiver 1 is poured into the metal, which enters the mold 2 through the metal wire. After forming the shell of the ingot, the drive of the mechanism 13 of the reciprocating motion of the mold 2 and the pulling stand 12 are started. The ingots are started to be pulled out while the mold is oscillating and reciprocating.

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relative to the axis of the ingot. The process of removing the 1-ivan ingot continues until all the metal is used up, after which the machine turns off. E

The vibrator 6 can be turned on both before the metal receiver is filled with metal and after it is filled.

In order to carry out the process, molds are provided with JQ rotary

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movements relative to the ingot at an angle of 5 ... 18. At the same time, vibrating motions with a small amplitude are communicated to the crystallizer, which allows to increase the sliding speed of the crystallizer relative to the ingot and the frequency of changing the slip direction.

Additional vibrating vibrations of the mold relative to the axis are necessary to increase the sliding speed of the mold relative to the axis. At high sliding speeds, local weld ingots to the mold are eliminated and, therefore, the mold resistance is increased. Frequent change of direction (vibration) dramatically reduces the contact time of the same points of the mold and the ingot, which prevents local welding of the ingot to the mold.

Vibrating movements of the mold relative to the ingot reduce the pulling forces of the ingot.

The connection of the metal receiver and the metal wire with the mold can be both rigid and with the possibility of relative movement.

Shock absorbers are required for lightweight shock loads on the mechanism of the reciprocating movement of the cristapizer.

The design of the shock absorbers may be different, for example, in the form of a shock absorber.

tires or pieces of rubber installed on both sides or one side.

Example. I cast 7 a workpiece with a diameter of 100 mm from 35 GS steel according to the modes: with one swing (prototype) and with swing and vibration with a frequency of 50 Hz and an amplitude of 0.5 mm.

As a result of the increase in the sliding speed and the frequency of changing the sliding direction in the proposed method, the drawing speed was increased from 1.2 to 1.5 m / min, the surface quality improved by 10% and the mold resistance increased by 2 times compared with the prototype.

Claims (2)

1. A method of horizontal continuous casting of ingots, including supplying metal to the mold, pulling a workpiece from it, and telling the crystallizer to a reciprocator of reciprocating movement relative to the surface of the workpiece, characterized by the fact that in order to increase the stability of the casting process and increase the resistance of the mold, the mold is informed of vibration in the plane of its reciprocating motion. 2. A horizontal machine for continuous casting of ingots containing a frame, a metal receiver with metal wire, and a mold mounted in the bandage with the possibility of a reciprocating movement relative to the technological axis of the machine, characterized in that, in order to increase the stability of the casting process and increase the resistance of the mold, it is equipped with a vibrator, a shock-absorbing device and an additional bandage with a tide, and the additional bandage is in contact with the mold by shock absorbing device. 9 Yu 12