<output id="bb7hn"><font id="bb7hn"><p id="bb7hn"></p></font></output><font id="bb7hn"></font>

<video id="bb7hn"><output id="bb7hn"></output></video>

<p id="bb7hn"><output id="bb7hn"></output></p>
<p id="bb7hn"><output id="bb7hn"><listing id="bb7hn"></listing></output></p>
<p id="bb7hn"><output id="bb7hn"></output></p>
<video id="bb7hn"></video><noframes id="bb7hn">
<p id="bb7hn"><delect id="bb7hn"></delect></p>

<video id="bb7hn"><output id="bb7hn"><delect id="bb7hn"></delect></output></video>
<p id="bb7hn"></p>

<p id="bb7hn"><delect id="bb7hn"><listing id="bb7hn"></listing></delect></p>
<p id="bb7hn"><delect id="bb7hn"><font id="bb7hn"></font></delect></p>

<video id="bb7hn"><output id="bb7hn"><font id="bb7hn"></font></output></video>

<p id="bb7hn"></p><video id="bb7hn"><output id="bb7hn"><delect id="bb7hn"></delect></output></video>

<video id="bb7hn"><output id="bb7hn"><font id="bb7hn"></font></output></video>
<p id="bb7hn"><delect id="bb7hn"></delect></p>

<p id="bb7hn"><p id="bb7hn"></p></p>
<video id="bb7hn"><output id="bb7hn"><delect id="bb7hn"></delect></output></video>

<p id="bb7hn"></p>
<video id="bb7hn"><output id="bb7hn"></output></video>

 
183-0548-8999
方澤機械
 高端品牌
精湛工藝 品質至上
打造中國五金?
Build a high-end brand of Chinese hardware
精湛工藝,品質至上,打造國內五金高端品牌
新聞中心
截齒、采煤機截齒的常用材質
來源: | 作者:佚名 | 發布時間: 2021-02-28 | 636 次瀏覽 | 分享到:
礦用截齒是采煤和掘進機械中的須且易損壞的部件之一,主要功能是落煤和碎煤,目前截齒的常用材質一般多為42CrMo和35CrMnSi鋼
截齒、采煤機截齒的常用材質
     礦用截齒是采煤和掘進機械中的須且易損壞的部件之一,主要功能是落煤和碎煤,目前截齒的常用材質一般多為42CrMo和35CrMnSi鋼。截齒需要進行熱處理,生產標準規定:截齒刀體硬度為40~45HRC,沖擊韌性不小于49J/CM, 一般的截齒在生產中都要通過熱處理標準或超過這個標準。
    截齒在工作時承受極高的周期性壓力、切力和沖擊負荷,煤層中經常會遇到煤矸石,使得截齒在切割過程中產生具大的摩擦力及沖擊力,所以在這種情況下,對截齒的要求就會更高,需要截齒有更好的耐磨、耐沖擊性能,因此截齒刀體一般采用低合金結構鋼制造。
常用材質一:42CrMo鋼
    特點:強度高、淬透性高、韌性好、淬火不易變形、在高溫下有高的蠕變和持久強等特點,經過熱處理后有較高的疲勞極限和搞沖擊能力,低溫沖擊韌性良好。
常用材質二:35CrMnSi鋼
    特點:淬透性較好,熱處理后可以得到強度、韌性和疲勞強度等綜合性能提升,可以適應復雜的煤層。
日韩人妻无码专区免费 成人综合网 午夜男女生活片牲交看得见 国产精品无码一二区免费 狠狠色合综情丁香五月 精品国产AV一二区
<output id="bb7hn"><font id="bb7hn"><p id="bb7hn"></p></font></output><font id="bb7hn"></font>

<video id="bb7hn"><output id="bb7hn"></output></video>

<p id="bb7hn"><output id="bb7hn"></output></p>
<p id="bb7hn"><output id="bb7hn"><listing id="bb7hn"></listing></output></p>
<p id="bb7hn"><output id="bb7hn"></output></p>
<video id="bb7hn"></video><noframes id="bb7hn">
<p id="bb7hn"><delect id="bb7hn"></delect></p>

<video id="bb7hn"><output id="bb7hn"><delect id="bb7hn"></delect></output></video>
<p id="bb7hn"></p>

<p id="bb7hn"><delect id="bb7hn"><listing id="bb7hn"></listing></delect></p>
<p id="bb7hn"><delect id="bb7hn"><font id="bb7hn"></font></delect></p>

<video id="bb7hn"><output id="bb7hn"><font id="bb7hn"></font></output></video>

<p id="bb7hn"></p><video id="bb7hn"><output id="bb7hn"><delect id="bb7hn"></delect></output></video>

<video id="bb7hn"><output id="bb7hn"><font id="bb7hn"></font></output></video>
<p id="bb7hn"><delect id="bb7hn"></delect></p>

<p id="bb7hn"><p id="bb7hn"></p></p>
<video id="bb7hn"><output id="bb7hn"><delect id="bb7hn"></delect></output></video>

<p id="bb7hn"></p>
<video id="bb7hn"><output id="bb7hn"></output></video>