襯板在礦山破碎機筒體(ti)中(zhong)的運動狀況比較復雜,按正常(chang)狀況可(ke)分(fen)成多種地區:
1、拋襯(chen)(chen)板(ban)(ban)區襯(chen)(chen)板(ban)(ban)脫離操作著的料堆內,呈拋物線軌跡落下(xia),這(zhe)過程襯(chen)(chen)板(ban)(ban)與襯(chen)(chen)板(ban)(ban),襯(chen)(chen)板(ban)(ban)與襯(chen)(chen)板(ban)(ban)和石頭很(hen)多上不出現相互影響,
3、滑動(dong)運動(dong):襯板在料(liao)堆內(nei)中(zhong)向下滑動(dong),襯板與襯板,襯板與石頭出現(xian)摩(mo)擦,使部分石頭被碾碎,
4、碾(nian)磨影響:由于料堆內操作,襯板與襯板、襯板與石(shi)頭、襯板以(yi)不(bu)同速度操作,有相對(dui)運(yun)動,襯板給(gei)石(shi)頭以(yi)壓力,將石(shi)頭磨碎,
5、襯(chen)板與(yu)襯(chen)板、襯(chen)板與(yu)石頭之間很多不出現(xian)相(xiang)對運(yun)動(dong),位于相(xiang)對靜止(zhi)狀況,不出現(xian)碾磨影響,
根據襯(chen)(chen)(chen)板的運動(dong)可(ke)以了解出襯(chen)(chen)(chen)板在運行中獲得(de)(de)(de)二個影(ying)響(xiang)(xiang):一(yi)是獲得(de)(de)(de)重復(fu)沖(chong)擊影(ying)響(xiang)(xiang),縻襯(chen)(chen)(chen)板尺寸愈大(da),獲得(de)(de)(de)沖(chong)擊影(ying)響(xiang)(xiang)也愈大(da),二是受石頭(tou)碾磨(mo),石頭(tou)愈硬,則(ze)磨(mo)損(sun)愈快(kuai),襯(chen)(chen)(chen)板在運行中,假(jia)如襯(chen)(chen)(chen)板軟,將(jiang)獲得(de)(de)(de)石頭(tou)切削麻損(sun)和重復(fu)沖(chong)擊引發的疲(pi)勞磨(mo)損(sun),假(jia)如襯(chen)(chen)(chen)板硬,疲(pi)勞磨(mo)損(sun)將(jiang)占(zhan)主(zhu)要因素,襯(chen)(chen)(chen)板的磨(mo)損(sun)原理工況條件。
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