New Hydraulic Sheet Metal Shear machines
To cut sheet metal and steel plate. Also Corner notcher and edge notching machines.
A metal Shearing machine is used for cutting sheet metal to size out of a larger flat stock or from roll stock. The metal to be cut is held in place with hold-downs. 90 degree cuts are positioned by a squaring arm with scale on it or with a back gauge. Other angles are possible with an angle gauge. Large machines with shadow cut line will have a light that shines over a wire which projects a thin shadow line exactly where the cut line is which is useful if you mark your metal with a tape measure.
The shearing process can produce a shear edge burr, which can be minimized to less than 10% of the material thickness. This is a function of clearance between the blades, and the sharpness of the cutting blades. On some sheet metal shears and most plate shears, the blade gap is adjustable for different metal thicknesses. Though they are minor, the possibility of little burrs and hold down marks should be considered in the forming of some end products. Machine capacities shown for mild steel can be 33% or so higher for most types of soft aluminum, and 50% lower for stainless steel. Also, common A36 steel is usually harder than mild steel and may not cut as easy. Call an American Machine Tools sales engineer for more info. We are accredited by the Better Business Bureau with an A+ rating.
Chicago Dreis & Krump Hydraulic Sheet Metal Shear:
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