Vibration applications for Casting
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Furnace charge car installation.
Furnace charge cars adapt themselves in their configuration to the type of furnace to be fed, either rotating or tilting. The basic configuration is similar to that of a conveyor equipped with two electric vibrators, although the structure is more solid and robust. The outlet chute that enters the furnace is made of refractory stainless steel. Moreover, the feeder is protected by a static reception hopper, mounted on a bracket. Thus, the furnace can be fed in a very short time.
The design of the charge cars is adapted to the existing working conditions in the site. Thus, a mixture is obtained according to the requirements of the final product. The charge car is made of vibrating electromechanic conveyor, made of rolled mild steel sheet ST42.2, usually recovered with wear resistant steel, and mounted on moving char. The final part is interchangeable and made in refractory steel, AISI-310. The various ingredients of the melt are stored in static reception hoppers, installed on the vibrating char and also lined with anti wear steel. The whole trough is mounted on steel springs, in order to isolate the vibration from the static part.
Char motion is assured by one or two geared motors installed in the back or the front wheels. The geared motors are regulated through a frequency changer to avoid any problem when turning them on or off. The carriages allow longitudinal, cross motion or both at a speed of 20 m/min. The operating controls are usually placed in the charge frame (static part of the carriage) and allows to handle the vibrators and the char motion (backward and forward), through a portable control of push buttons, even though the furnace chars can be eventually driven through an electric static table command.
Electric course ends to stop the char in the right place can be supplied. The installation can be completed with a discharge detector and a flat wire, guided by a profile, for the installation of the chars.
The following elements can be considered as an option:
- Additives and ferro alloys hopper.
- Weighing system.
- Elevating platform.
- Hoppers with gates for the scraps and the
- additives.
- Moving system.
Examples
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