Scrap shear blades must cut materials of varying geometry and thickness. When burrs or rapid deterioration of the cutting edge appear, it is worth analyzing the load, configuration and mechanical condition. The appearance of the cut provides information, but does not alone identify the cause.
Relate the defect to the material
Write down type of scrap, section, thickness and frequency of the defect. Photograph input and output parts with a scale. A change in material may require a different evaluation of the equipment. Before replacing the blade steel, check whether the load corresponds to the capacities and conditions defined for the shear.
Check the cutting assembly
Check alignment, seats, fixings and clearance following the manufacturer’s procedure. Do not adopt a universal clearance obtained from another machine. Deteriorated supports can modify the work of the cutting edge and accelerate damage. The inspection must be carried out with the provided equipment and by qualified personnel; Any adjustment requires model-specific instructions.
Compare wear by positions
Identify each blade and record any rounding, nicks or breaks. The pattern can guide the investigation, but must be contrasted with input history and mechanical controls. If the parts allow face change, respect the authorized assembly diagram. Avoid reusing an edge without evaluating damage that could compromise the assembly.
Select the spare part and measure the result
Order tool by reference and drawing, including nominal dimensions, fasteners and specified material. Compare useful tons between interventions, cut quality and downtime. The selection of steel must consider wear and required resistance; Isolated hardness does not summarize the behavior. Cold work steel sheets, such as BÖHLER’s K110, allow properties to be contrasted without attributing a universal solution.
Frequently asked question
Does a burr always indicate that the blade is dull?
There can be several causes related to the edge, fit or material. Review the assembly and working conditions before deciding on intervention.
Documentation and related reading
Technical reference: BÖHLER: K110 technical sheet. The practical observations in this guide must be compared with the documentation of the installed equipment.
Expand information with our related technical guide and consult the Sharp industrial spare parts.
Consult a blade or spare part
Send us your query with brand, model, reference and photographs to study the piece and prepare a quote. For tools in service, also see tool options. sharpening and repair.