Planishing Operation In Sheet Metal

Trade of sheet metalwork phase 2 module 6 unit 1 unit 1 12 h repeat operation f positioning each series of blows to overlap previous series.

Planishing operation in sheet metal.

When the sheet metal edges are fed through two rollers a smooth bulge free surface is created. You ll also see the tear drop mallets and panel beater bag in action. Work inwards in series until middle of disc is reached removing wrinkles as each series is completed. The process involves tapping the metal with a specialized planishing hammer while it rests on a rounded stake in order to smooth defects and achieve the proper curve.

Planishing is a hand driven process used in auto body repair and sheet metal craft work such as medieval armour production. Planishing is a technique used to curve and shape thin pieces of sheet metal. Welding after planishing ensures almost zero leakage from the joints. It relieves the stresses and the welded joints will be stronger.