rock-crusher Nes>>ind_news>>How the the rock crusher motor power is calculated ?

Crusher Plant
About Rock Crusher PF Series Rock Crusher is a new product that absorbs advanced technologies at home and abroad.This Series equipment can crusher material which max...
HOW TO WORK PF Series Rock Crusher use impact energy to crush materials. When the Rock Crusher works, the motor drives the rotor rotate of the Rock Crusher with high speed.
Successful Case

How the the rock crusher motor power is calculated ?

Rock crusher power P ( kW ) can be calculated as : P = mR2n3jk1/108 × 103η. Wherein m - hammer mass kg ; R - rotor radius , M ; j - hammer total number ; η - mechanical efficiency η = 0.7-0.85 ; k1 - correction coefficient. It is associated with the periphery of the rotor speed , the higher the speed , the lower the chance of each hammer blow material .


The rock crusher empirical formula P (kW) : P = 0.15D2Ln. Wherein D , L - rotor diameter and length , m ; n - rotor speed , r / min. Where 0.15 is the empirical coefficient . Of control the the domestic crusher accounting results , most cases are relatively close to the actual error is larger special circumstances . For a crusher of the diameter and length is greater than 1.6m , or the length of the rotor is less than 0.4m desirable factor of 0.2 . Therefore , the empirical correction : P = k0D2Ln. Where k0- empirical coefficient , mainframe k0 = 0.15-0.2 ; medium-sized machine k0 = 0.15 ; minicomputer k0 = 0.1 .


Rock crusher motor power can also be obtained by productivity and material unit energy consumption ( specific energy consumption ) . The broken limestone unit energy consumption of 1.3-2.2kW · h / t; the broken coal unit energy consumption of 1.4 - 1.9kW · h / t ; crushing coal energy consumption : the rock crusher industry standards unit energy consumption of 1.4 - 1.9kW · h / t, the German industry standard specifies a 1.2 - 1.9kW · h / t .


Thank you for your interest in YIFAN. Please use any of the methods below to get in touch with us.
Add: The Middle of Zhengyuan Road, Xingyang Eastern Development Zone.
Tel: +86-371-64966831 Fax: +86-371-64628872
The article by rock crusher,rock crushing plant YIFAN Machinery Editor: , please indicate the source , little effort , thank you .


Crusher Plant Case
Contact Us
  • Tel:+86-371-64966831
  • Fax:+86-371-64628872
Copyrigh©2009,Yifan Rock Crusher.
Address:Zhengyuan Rd,Xingyang,ZhengZhou Henan 450100,China.
Welcome to the the YIFAN mechanical rock crusher machinery net