Casting Equipment

Foundry sand casting

Sand casting, melting and pouring equipment

Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. The term “sand casting” can also refer to an object produced via the sand casting process. Sand castings are produced in specialized factories called foundries. Over 60% of all metal castings are produced via sand casting process. With types of casting equipment, Metals are cast into shapes by melting them into a liquid, pouring the metal into a mold, and removing the mold material after the metal has solidified as it cools.

Pouring Equipment in Foundry

Casting ladle

In metallurgy, a ladle is a vessel used to transport and pour out molten metals. Ladles are often used in foundries and range in size from small hand carried vessels that resemble a kitchen ladle and hold 20 kilograms (44 lb) to large steel mill ladles that hold up to 300 tonnes . Foundry ladles are normally rated by their working capacity rather than by their physical size. Hand-held ladles are typically known as hand shank ladles and are fitted with a long handle to keep the heat of the metal away from the person holding it. Their capacity is limited to what a man can safely handle. Larger ladles are usually referred to as geared crane ladles. Their capacity is usually determined by the ladle function. Small hand-held ladles might also be crucibles that are fitted with carrying devices. However, in most foundries, the foundry ladle refers to a steel vessel that has a lifting bail fitted so that the vessel can be carried by an overhead crane or monorail system and is also fitted with a mechanical means for rotating the vessel, usually in the form of a gearbox. The gearbox can either be manually operated or powered operation.

Gas / Electric

Foundry Ladle Preheater

LADLE PREHEATERS ARE USED FOR DRYING AS WELL AS HEATING VARIOUS TYPES OF LADLES. ALL MAPEKO LADLE HEATERS ARE INDIVIDUALLY DESIGNED AND MANUFACTURED.

For the safe and effective transportation of molten metal to a ladle, pre-heating is required. Modern ladle metallurgy requires higher temperatures in order to pour consistently.

HEZHI offers a complete Ladle Pre-Heating System that works in conjunction with your molten metal system. The system operates on natural gas or electric.

induction heating

Casting furnace

A casting furnace, more commonly referred to as a furnace, is a device used to heat and melt metal ore to remove gangue, primarily in iron and steel production. The heat energy to fuel a furnace may be supplied directly by fuel combustion, by electricity such as the electric arc furnace, or through induction heating in induction furnaces. There are several different types of furnaces used in metallurgy to work with specific metal and ores.
Induction heating is the process of heating electrically conductive materials like metals by electromagnetic induction, through heat transfer passing through an induction coil that creates an electromagnetic field within the coil to melt down steel, copper, brass, graphite, gold, silver, aluminum, and carbide. An induction heater consists of an electromagnet and an electronic oscillator that passes a high-frequency alternating current (AC) through the electromagnet. The rapidly alternating magnetic field penetrates the object, generating electric currents inside the conductor, called eddy currents. The eddy currents flow through the resistance of the material, and heat it by Joule heating. In ferromagnetic and ferrimagnetic materials, such as iron, heat also is generated by magnetic hysteresis losses. The frequency of the electric current used for induction heating depends on the object size, material type, coupling (between the work coil and the object to be heated) and the penetration depth.

Vibration type

Casting Furnace charger

In furnace charging is important to adapt the configuration, dimensions, etc of the furnace to material to furnace characteristics or to other existing requirements. We design and manufacture vibrating furnace chargers for electric induction, rotary, reverbs.. furnaces. For both ferrous and non-ferrous materials (aluminium, copper, brass, etc ..) Basically furnace charger consists of a vibrating feeder driven by two vibrators, mounted on a supporting structure on which a hopper that receives the material is placed. Under this structure four translational headwalls are placed, two motorized and two free. The vibrating tray is provided at the end of it with a bolted peak, it is interchangeable and in stainless steel AISI 310 to stand the high temperature existing in that area during the discharge. In addition, and depending on the material or other requirements, may be placed wear resistant liners on both hopper and vibrating tray or intermediate rubber liners to reduce possible noise level. The chargers integrate a general furnace control box, and include acoustic sounders and beacons bright, button panel, position sensors, etc …