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破碎板钳角对颚式破碎机产量的影响

发布时间:2019-02-18    16:02:18浏览次数:

摘要:分析了鄂式破碎机中直线形和圆弧形破碎板钳角的性能概况表明:钳角越小,颚式破碎机的破碎力越大、产量越高,并改善了颚板磨损情况。

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1、POSUIBANDESHOULIFENXI

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图1物料块的受力分析

fP1+fP2cosα1+G≥P2sinα1。 (1)

SHUIPINGFENLIZONGHEDENGYULING(QUXIANGYOUWEIZHENG)。

P1-fP2sinα1-P2cosα1=0。 (2)

由式(2)得P1=P2(fsinα1+cosα1),代入式(1)可得动颚对物料块的破碎力P2为:

P2篮球竞彩app=G/[sinα1(1-f2)-2fcosα1]

=G/(1+f2)[(1-f2)/(1+f2)sinα1-2f-(1+f2)cosα1]

=G/(1+f2)[(1-tg2Φ)/(1+tg2Φ)sinα1-2tgΦ/(1+tg2Φ)cosα1]

篮球竞彩app=G/(1+f2)(cos2Φsinα1-sin2Φcosα1)

=G/(1+f2)csc(α1-2Φ)。

式中,摩擦系数f等于摩擦角的正切,即f=tgΦ。由式(1)可看出:破碎力P2篮球竞彩app是钳角α1的减函数,即钳角越小破碎力越大。

图2圆弧形破碎板的钳角图

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2 、XIELIAOJIMOSUNZHUANGKUANGDEFENXI

图3直线型破碎腔的卸料

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图4弧线型破碎腔的卸料图

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