Casting Process

Pattern shop incorporates pattern designing, making and inspection. All patterns are match plate mounted in the sampling stage. Also, the patterns are stored and separated customer wise.

We make mold & core with semi-automated loop line no bake process which leads to superior casting with surface finish & excellent quality with high accuracy dimensions. Before applying uniform coating, mold & core must be smooth, free of loose sand or projections to get good surface finished castings.

Mold with core assembly is ready for pouring.

Melting department is equipped with four Induction furnaces having liquid weight capacity of 400kg, 650kg, 1200kg, and 4500kg. We have bottom pouring as well as lip pouring ladle which accommodate castings size upto 2500kg net weight.

The mold is filled with liquid metal to the required level and left to solidify.

After pouring when mold is fully cooled, the sand is removed mechanically with the help of knockout machine from the poured casting assembly. All extra cast parts (e.g. Risers, runner and in-gates) are removed by different cutting method.

Casting is cleaned & finished to its actual shape by swing & hand grinding.

Heat treatment is equipped with gas fired furnace having 3000kg capacity. Heat treatment process is online monitored by sixteen channel data scanner connected with software by computer. Heat treatment is calibrated as per API 6A annex M and ASTM A991 witnessed by TPI.