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In a Ferrous foundries we process a wide range of alloys/ material for a variety of applications through process of melting and casting a metal and obtain desired shape and properties through predesigned molds. Evolution at foundries is a continuous process as per desired requirements & applications. Automotive industry is one of the key and most important potential market. In today’s environment foundry equipment has therefore evolved to a level that they are future ready to support the growing needs of not just the automotive industry but also other applications & for the same we at MPR Refractories have a full range of refractories to cater all related requirements of the foundry Process. We are committed to support new markets keeping in mind environment and efficiency.
As we are aware apart from regular Products as required in the process cement chemical bond refractories are indispensable & most demanding applications. Which are monolithics based on a non-hydraulic bonding system which allows for higher permeability to gases resulting in quicker dry-out. We can suggest number of Products for different stages of Ferrous Foundries mainly :
1. Cupola Furnace. Inrefractory liningsterms there are mainly twophilosophies: long campaign or daily cupola. Daily linings are mainly acid ramming masses that can be easily wreaked out and substituted, partially or totally, every day whereasIn a long campaign cupolas linings are made of alumina based refractories that are adapted to the different zones. These can normally be operated one or two weeks before relining. This is where we can be a value addition to our customers.Further developments are unlined cupolas where melting zone and stack have a water cooled shell which does not require refractories and can be operated for several weeks.
2. Coreless induction furnace.
It has become a primary preferred furnace in this age of foundries mainly due toits flexibility, ease of use along with controlledemissions. Size, power and frequency of these furnaces have increased during the years, they can be used both for melting and holding purposes. Silica based linings are dominantly used in to melt iron, while alumina based dry mixes are the most common refractory material in this furnaceto melt steel.
3. Channel induction furnace.
It is critical point utilizedfor holding purpose as a buffer between the casting line and the melting (cupola) furnace. The power is induced through the inductor in the bottom around a loop of molten metal, where failures of refractory lining are most likely to occur. The furnace is operated 24 hours per day & observe immense pressure
4. Press-pouring Furnace.
This evolution of the channel furnace is operated in inert atmosphere and allows for the finest control over temperature and poured volume along with high flexibility
5. Coreless Automatic press-pouring Furnace.
This furnace combines the features of Corelessfurnaces and channel press the furnace in the same set of equipment. Refractories for this application also meet a compromise of properties. The press pour channel is created inside the refractory lining.
