Dumbbell cutter www.yzsyhjx.com rubber, plastic, wire and cable and other materials commonly used in the tensile test sample preparation tool, cutter that what the technical requirements in the production, manufacturing process as well? Today, we introduce the relevant technical conditions the cutter , for your information. The material should be used cutter tool steel (or chrome manganese alloy steel), in order to ensure the accuracy of the cutter lumen size and cutter life. Cutter knife wall to have a certain thickness to prevent deformation of the cutter when cutting the sample. The cutter blade should be kept sharp, there should be no gap or roll edge to prevent the sample cut out jagged shape and affect the test results, the cutter should be equipped with the sample from the apparatus and connected pieces Machine interface. Technical requirements appearance requirements cutter without cracks, spots and other smudges have split. There shall be no edge chipping, chipping and knives, etc. There shall be no obvious grinding machining marks. Roughness cutter grinding parts should be inside and outside grinding, its roughness 0.8um, other parts of the roughness of not greater than 3.2um.