Planishing Operation In Sheet Metal

Planishing is a hand driven process used in auto body repair and sheet metal craft work such as medieval armour production.

Planishing operation in sheet metal.

You ll also see the tear drop mallets and panel beater bag in action. 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. Welding after planishing ensures almost zero leakage from the joints. When the sheet metal edges are fed through two rollers a smooth bulge free surface is created.

It relieves the stresses and the welded joints will be stronger. Planishing is a technique used to curve and shape thin pieces of sheet metal. 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. After approximately forming a metal object by stretching with techniques such as sinking and raising and then shaping and smoothing an object metal workers use planishing for surface finishing.