How To Sharpen Sheet Metal Shear Blades

Grinding can sharpen any shear blade up to 14 within the same precision tolerances as new knives to maintain high productivity and quality cuts.

How to sharpen sheet metal shear blades.

Secure one of the blades in the bench vise with the edge to be sharpened facing up. Remove gunk and rust. Remove the blades from the shears. We held it in two angle vises to get the angle.

Check the blade for curves bends. How to sharpen snips without power tools sharpening the blades snips can be used to cut a range of different metals. All shear blades are precisely heat treated to assure consistently uniform hardness throughout. As long as you duplicate the original angle on the blade it should work fine.

Recommended grinding tolerances are as follows. 2020 la grinding company. 5 garden shears sharpening tips. Look directly down each blade to make sure it is perfectly straight.

5 3 always file until you feel a burr. How to sharpen sheet metal cutting shears step 1. How to do so will vary depending on your model of sheet metal cutting shears. In order to do this efficiently it wil.

Blades are available as single edge two edge four edge and bowtie configurations to suit your individual cutting application. If the pivot nut that connects the blades is loose it makes them drift apart during cutting. At one shop i worked in we successfully sharpened a 3 shear blade in a vertical mill using a cup wheel and a light flood coolant. The tolerances for sharpening the width and thickness will be parallel to within 002 from end to end.

Width parallel to within 002 from end to end. When sharpening shear blades they must be surface ground to the same precision tolerances as new knives to maintain a high level of productivity and ensure quality cuts. 5 2 always secure the garden shears. Shear blade sharpening specifications.

5 1 avoid large files. Place the file against the. Check the pivot nut.