A hydraulic shear machine, also known as a metal shear or shearing machine, is a machine that uses a cutting blade to cut sheets of metal. The cutting blade is operated by a hydraulic cylinder, which provides the necessary force to cut through the metal. The cutting blade is typically mounted on a movable arm that can be positioned above the metal being cut. The metal is placed on a bed or table beneath the cutting blade, and the arm is lowered to make the cut. The machine is usually operated by a control panel that allows the operator to adjust the cutting pressure, speed, and blade position.

Hydraulic shears are commonly used in metal fabrication, sheet metal work, and scrap recycling industries. They are versatile machines that can be used to make straight cuts, angled cuts, and even complex shapes. They can cut a variety of materials including steel, aluminum, brass, and copper, and thicknesses range from light gauge sheet metal to heavy plate.