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Hydraulic jaw crusher_YJ23 jaw crusher_Myanmar jaw crusher specifications

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液压式鄂式破碎机,YJ23颚式破碎机,缅甸颚式破碎机规格

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颚式破碎机作为首破工作强度较大,日常维护和保养一旦跟不上,会很大程度的增加设备磨损,缩短颚式破碎机的寿命。目前颚式破碎机加上循环润滑油路和冷却系统,可以有效减少设备磨损,减低日常生产的维护和养护成本。

随着当前工业的不断发展推进,各种金属、非金属矿等物料因为建筑的需求而扩大市场,因此市场上对于破磨设备的需求也呈现上升趋势。目前我国脆性物料年产量己达到约15亿吨,这些物料绝大部分都要经过破碎,磨粉工艺。颚式破碎机技术发展迫在眉睫。颚式破碎机在我国虽然发展壮大,但是在与世界先进水平相比还存在一些差距。在激烈的市场竞争中,只有加强创新力度,不断提高自身技术含量,提高产品质量,才能赶超世界水平,稳住国内市场,占领国际市场。

物料在颚式破碎机破碎腔内挤压破碎物料的破碎形式主要是内部拉应力导致的劈裂,以及与颚板直接接触部位的粉碎。破碎力从峰值迅速下降标志物料已经破碎,物料的破碎过程很迅速,对应行程很小,而实际中物料为不规则形状,其破碎钱挤压接触部分粉碎发生要更为严重,需要更多的挤压形成。

由于颚板所受到力的大小和物料破碎特性如抗拉强度,断裂韧性等有关,而不同地区的物料其破碎特性差别很大,无法逐一研究每种物料破碎时颚板受到的破碎力大小。而颚板受到压力的分布却很大程度由破碎机来决定。在不同条件下竖直方向破碎力分布基本相似,在颚板的上中部破碎力最大,在颚板中部存在局部极小值,破碎力逐渐增大,在中下部达到极大值,然后逐步减小,由此可见,颚板破碎力分布主要由动颚运动决定。由于物料在破碎腔内的初次破碎在颚板上半部分发生,因此给料粒度不同很大程度决定在该区域颚板受力差别。

我们利用电阻应变片方法,以青石为物料,在最大给料水平下对实验用小型颚式破碎机颚板的受力进行了测量,以破碎机每个破碎周期应变的差值作为样本,利用统计方法对测量结果进行处理,统计结果表明颚板上部受力有很大波动性,中部受力较小却很均匀。通过对不同部位同时测量,可以得出颚板在水平,竖直方向受力变化,这两个方向的受力分布构成了颚板受力分布模型。从不同条件下颚板破碎力分布情况看,颚板受力分布有很大的相似性,水平方向中间受力大,两边受力小且有对称性;竖直方向在上中部和中下部较大,中间部分受力存在局部极小值。比较不同条件对破碎力的分布的影响,在小排料口条件下颚板受力较大,而偏心轴转速对颚板的受力影响较小。颚板的受力分布模型对认识破碎机物料流动过程以及颚板磨损形成提供力有利的帮助。

颚式破碎机在停机场的分列和摆设。颚式破碎机我们需要将它停放在干燥的室内,应视外貌防锈漆皮脱落面积的大小来确定是用补漆的步伐还是需要整机重新喷漆的要领举行修补。要严谨在蓄电池上安排导电物体,然后再堵塞正极线,铅酸蓄电池我们应该每月充电一次颚式破碎机,应选平坦的地面并铺上木板颚式破碎机。

颚式破碎机在将蓄电池安排在干燥和防冻处颚式破碎机,我们会因为工程机械电气体系都是负极搭铁颚式破碎机,如摊铺机的熨平板、装载机的铲斗、平地机的刮刀等。停放之后我们用罩布改好颚式破碎机。克制燃油箱生锈。我们队其举行彻底整理。再连续负极线颚式破碎机,起紧张堵塞负极线颚式破碎机。

颚式破碎机:http://www.rsjq.org/art/201089.html

液压式鄂式破碎机_YJ23颚式破碎机_缅甸颚式破碎机规格

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