STEPPED GROVE PULLEY (SPLIT PATTERN) Expt No.: 2 Aim: To prepare a sand Mould cavity for stepped groove pulley: apparatuS & TOOLS REQUIRED: Molding drag and cope boxes, molding sand, parting sand, rammer, strike-off bar, bellows, riser and sprue pins, gate cutter, vent rod and draw spike. MATERIAL REQUIRED: Moulding sand, parting sand, bentonite, water. MOULDING COMPOSITION: Silica Sand 80 to 90% – Clay 10 to 12% – Water 8 to 10% – Additives - 2 to 4%
STEPPED GROVE PULLEY (SPLIT PATTERN) Expt No.: 2 Aim: To prepare a sand Mould cavity for stepped groove pulley: apparatuS & TOOLS REQUIRED: Molding drag and cope boxes, molding sand, parting sand, rammer, strike-off bar, bellows, riser and sprue pins, gate cutter, vent rod and draw spike. MATERIAL REQUIRED: Moulding sand, parting sand, bentonite, water. MOULDING COMPOSITION: Silica Sand – 80 to 90% Clay – 10 to 12% Water – 8 to 10% Additives - 2 to 4%
10444_09022017workshop_manual[1].docx