(1) Jaw Crusher :
The crusher is mainly used to crush the ore by periodically pressing the rocker to the fixed jaw and crushing the material sandwiched in the middle.
(2) Cone crusher:
The crushed material is placed between the inner and outer cones, the outer cone is fixed, and the inner cone is moved around the circumference to crush or break the material sandwiched therein.
(3) Roller crusher:
The crushed material is subjected to continuous crushing in the two facing moving roller gaps, but also has a grinding and peeling action to break the ore. If the roll surface is toothed, the crushing action is mainly caused by crushing the ore.
(4) Impact crusher:
The broken material is broken by the impact of the rapidly rotating moving parts.
A luffing Tower Crane is a good choice for work sites where two or more cranes are working at the same time. This is because the slewing radius of a luffing crane is highly reduced in comparison to standard tower crane types. The luffing jib tower crane also has a higher lifting capacity because the weight is transferred from the crane`s jib much more effectively.
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