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Fine jaw crusher eccentric shaft fine value problem
Hanging down fine jaw crusher is the crusher which movable jaw be inverted, this is the difference with the traditional type compound pendulum jaw crusher. It is also named bottom drive fine jaw crusher.
( 1 ) Due to the moving jaw upside down, resulting in horizontal stroke Sx link ( moving amount ) on the crank rocker mechanism is relatively close to its average value , indicating that the movable jaw to close Jeongsun transnational extrusion , thus crushing cavity material layer particle group to achieve " laminated crushing ." The " five times the strain to strain shear stress generated by the resulting" pure pressure laminated crushed Sichuan , so its high grinding efficiency . According to foreign samples , said its production increased by 80% compared with the same specifications is hoisted crusher crushing collar .
( 2 ) Since the moving jaw inverted bottom of the drive , the machine center of gravity greatly reduced , stability is greatly improved , which improves the speed of the eccentric shaft to create the conditions for the machine structure. Further, since the moving amount of the horizontal stroke of the points Sx, Sy, and movable vertical travel stroke characteristic coefficients R m (m = Sv / SX,) are relatively close to the average value , so additional inertial shock acceleration produced by the machine operator is very small , this creates the conditions for improving the dynamic eccentric shaft speed . For these reasons , Sp -type inverted suspension crushing jaw crusher eccentric shaft speed increase , almost crushing hoisted more than twice the amount of crusher .
Generally speaking , the amount of output Q crusher before its speed does not reach the optimum value , is proportional to the rotational speed increases , so the higher its yield .

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