Machine the new-style grooving knife of hard steel of temper by dipping in water

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The cubic nitrogen of Yi Sika research and development changes boron (CBN) heavy-duty turning - grooving knife, apply at the treatment of grooving of thick, essence of hard steel of temper by dipping in water, suitable scope is broader. IB10H brand is taller than IB50 hardness, IB20H brand holds a solid sex and tenacity concurrently. In an experiment, hard to AISI 4340 temper by dipping in water alloy steel (HRC58 ～ 61) the circle outside undertaking is successive turning - grooving treatment, IB50 can machine 7, and IB10H can machine 20 continuously, and workpiece surface is bright and clean degree tall. Undertaking to same material intermittent when treatment, IB50 can machine 350, and IB20H can machine 500. Notable is, IB20H razor blade can wear away gradually because of normal cutting blade only and invalidation, is not to die suddenly blade or damaged. IB10H brand contains 53% CBN to exceed fine grain, the processing of cutting blade point with IB50 brand razor blade is identical. photograph comparing, IB20H pours arris angle bigger, passivation radius is largish also, this brand contains 63% CBN fine grain, applicable falls at worse cutting condition. Two kinds of brands all use above at processing hard steel of temper by dipping in water, form of two kinds of razor blade can offer an alternative: GITM razor blade is used at turning - grooving, razor blade of GITM complete circular arc is used at profile modeling and grooving treatment. CNC Milling