Crusher Hammer Mining Machine Spare Parts and crusher hammer factory price

For our high chrome hammer or hammer block,while producing: Adopt progressive solidification process, makes Cr7C3 type carbide vertical growth against the working face. In the case of not lower the toughness of the parts, at the same time the macro-hardness of the working face and micro hardness of Cr7C3 type also improved. Use multiple micro-alloyed methods to receive dispersion strengthened and progressive hardening. Use annealing, quenching, tempering heat treatment process to make the blow bars'surface hardness reaches 58-65HRC. Hammer crusher is suitable for crushing brittle, resistant plate, water content not high materials. In construction industry,chemical industry, electric power,mining,metallurgy and other industries, small rock crusher (or hammer block) are used to crush limestone, shale,coal,gypsum,chalk,asbestos ore,coke etc.Usually in the ore it contains SiO2,Ai2O3 etc high hardness stone which hardness up to 1100~1800HV,viewing from theoretical point,the hardness ratio requirment between hammer (or hammer block) (HM) and crushed material should be no less than 0.8,that means the hardness of the hammer (block) working parts should be above 1375-2250HV,so that the hammer can withstand the wearing and cuting from the crushed material and receive good wear-resisting performance. Nowadays, single material can’t have the conbination of high hardenss and toughness, we specially design thesmall rock crusher (or hammer block) which working parts using high chromium cast iron and assembly parts using alloy steel to receive good performance servce.Working in with our resistant plate will get the best performance. Our high chromium cast iron hammer (or hammer block) adopt the lost foam mold vibration casting. Under vacuum negative pressure vibration casting, we not only can refine grain, improve the density of the casting parts, but also make the gas and inclusion up floating, and purify the chromium iron water, so as to improve the comprehensive mechanical properties of the parts, greatly improve the service life and fully satisfy the users.