Luoyang Zhongtai Industrial Co., Ltd. |
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1. High Chrome Crusher Hammer 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. 2. High Manganese Hammer The high Mn hammer head serious product make by our company ,while
producing: * use the molding cold iron in the working part in order
to increase the compactness of working part. * Use the refining techniques of furnace bottom blowing argon to quick-wear part. We use diversified qualitative change to increase grain boundary strength. * Use diversified inoculation to refined grain. These High manganese little hammer for clinker crusheringinduce the hammer made by our company with higher wear resistant safety and reliability nature. Our customers are satisfied with our hammer, and our goods are exported to serious countries. GENERAL DESCRIPTION Wear components for crushing processes are subjected to severe impact and high abrasion, requiring components made from impact resistant and abrasion resistant alloys. We increase crusher availability through: • Increased wear life • Less on-going wear part maintenance • Designs and tools for quicker change out |