17MEL38A Foundry and Forging Lab syllabus for ME

1. Testing of Molding sand and Core sand

Preparation of sand specimens and conduction of the following tests:

1. Compression, Shear and Tensile tests on Universal Sand Testing Machine.

2. Permeability test

3. Sieve Analysis to find Grain Fineness Number(GFN) of Base Sand

4. Clay content determination in Base Sand.

2. Foundry Practice

1. Use of foundry tools and other equipment’s.

2. Preparation of molding sand mixture.

3. Preparation of green sand molds using two molding boxes kept ready for pouring.

• Using patterns (Single piece pattern and Split pattern)
• Without patterns.
• Incorporating core in the mold. (Core boxes).
• Preparation of one casting (Aluminum or cast iron-Demonstration only)

3. Forging Operations :

Use of forging tools and other equipment’s

• Calculation of length of the raw material required to prepare the model considering scale losses.
• Preparing minimum three forged models involving upsetting, drawing and bending operations.
• Demonstration of forging model using Power Hammer.