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    Ceramic composite blow bar

  • Update Time:2020-05-19 21:51:38
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  • Description Detail:Ceramic composite blow bar,ceramic composite impact bar,ceramic composite hammer

Impact crusher is different form jaw crusher, its main principle is to use the material in high speed
impact and crushing operations, the material into the crusher body in a certain runner , on the first
and second impact plate shock after a certain time and stroke of repeated impact, realize the
material break finally .during the impact work process, the material broken is mainly depended on
the high speed impact on the blow bar. Due to large internal crushing cavity, the material has
enough space to full speed and have a certain kinetic energy under the blow bar, thereby has
enough impact energy to realize the material part broken. And other part of the material will be
broken through rattled one against another during the accelerate processing in air.
Currently, the blow bar is widely used high chromium cast iron manufacturing. When the material
with the high speed rotating bar impact, material sharp corner pressed into the bar surface and
form a impact crater, its impact energy all changed to bar surface compressive stress, the impact
bar head belong to chisel cutting wear and tear.  
When the material impact the bar with a certain angle or grind with grate plate, impact energy is
decomposed into parallel bar tangential stress, cutting the bar surface to form some cutting groove,
it is called cutting erosion wear.
In order to get a further improvement of the wear life, DJM selects high-Cr ceramic composite
materials, which forms the ceramic metal composite reinforcement through injection of ceramic
particles into the high-Cr material , the composite layer wear-resisting property  is  than high Cr
material 3-4 times, at the same time, the composite layer thickness can be made to a third of the
thickness of the original spare parts. Ceramic composite material blow bar life is longer than 2
times of a high Cr alloy blow bar.

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