8年工程师告诉你3大原因造成你模具缓冲油缸缓冲故障
发布时间：2019-12-02 09:08 来源：
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<p><span style="color: rgb(51, 51, 51); font-family: arial; text-align: justify; background-color: rgb(255, 255, 255);">油缸是液压传动系统中的执行元件。运行过程中经常会出现各种故障。本文分享油缸缓冲装置故障、外泄露的原因及解决方法。</span></p><p style="margin-top: 26px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">一. 缓冲装置故障</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">1. 缓冲作用过度。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）缓冲调节阀的节流口开口过小。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）缓冲柱塞“别劲”（如柱塞头与缓冲环间隙太小，活塞倾斜或偏心）。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）在柱塞头与缓冲环之间有脏物。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（4）固定式缓冲装置柱塞头与衬套之间间隙太小。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）将节流口调节到合适位置并紧固。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）拆开清洗适当加大间隙，不合格的零件应更换。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）修去毛刺和清洗干净。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（4）适当加大间隙。</span></p><p><span class="bjh-p"><br/></span></p><p style="margin-top: 26px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">2. 缓冲作用失灵。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）缓冲调节阀处于全开状态。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）惯性能量过大。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）缓冲调节阀不能调节。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（4）单向阀处于全开状态或单向阀阀座封闭不严。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（5）活塞上密封件破损，当缓冲腔压力升高时，工作液体从此腔向工作压力一侧倒流，故活塞不减速。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（6）柱塞头或衬套内表面上有伤痕。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（7）镶在缸盖上的缓冲环脱落。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（8）缓冲柱塞锥面长度和角度不适宜。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）调节到合适位置并紧固。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）应设计合适的缓冲机构。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）修复或更换。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（4）检查尺寸，更换锥阀芯或钢球，更换弹簧，并配研修复。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（5）更换密封件。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（6）修复或更换。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（7）更换新缓冲环。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（8）修正。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">3. 缓冲行程段出现“爬行”。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）加工不良，如缸盖，活塞端面的垂直度不合要求，在全长上活塞与缸筒间隙不匀，缸盖与缸筒不同心。缸筒内径与缸盖中心线偏差大，活塞与螺帽端面垂直度不合要求造成活塞杆挠曲等。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）装配不良，如缓冲柱塞与缓冲环相配合的孔有偏心或倾斜等。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）对每个零件均仔细检查，不合格的零件不准使用。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）重新装配确保质量。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">二. 有外泄漏</span></p><p style="margin-top: 26px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">1. 装配不良。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）油缸装配时端盖装偏，活塞杆与缸筒不同心，使活塞杆伸出困难，加速密封件磨损。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）油缸与工作台导轨面平行度差，使活塞伸出困难，加速密封件磨损。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）密封件安装差错，如密封件划伤、切断，密封唇装反，唇口破损或轴倒角尺寸不对，密封件装错或漏装。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（4）密封压盖未装好。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">①压盖安装有偏差。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">②紧固螺钉受力不匀。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">③紧固螺钉过长，使压盖不能压紧。</span></p><p style="margin-top: 26px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）拆开检查，重新装配。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）拆开检查，重新安装，并更换密封件。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）更换并重新安装密封件。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（4）重新安装，拧紧螺钉，使其受力均匀；按螺孔深度合理选配螺钉长度。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">2. 密封件质量问题。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）保管期太长，密封件自然老化失效。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）保管不良，变形或损坏。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）胶料性能差，不耐油或胶料与油液相容性差。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（4）制品质量差，尺寸不对，公差不符合要求。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">更换。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">3. 活塞杆和沟槽加工质量差。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）活塞杆表面粗糙，活塞杆头部倒角不符合要求或未倒角。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）沟槽尺寸及精度不符合要求。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">①设计图纸有错误。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">②沟槽尺寸加工不符合标准。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">③沟槽精度差，毛刺多。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）表面粗糙度应为Ra0.2μm，并按要求倒角。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）①按有关标准设计沟槽。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">②检查尺寸，并修正到要求尺寸。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">③修正并去毛刺。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">4. 油的粘度过低。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）用错了油品。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）油液中渗有其它牌号的油液。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">更换适宜的油液。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">5. 油温过高。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）油缸进油口阻力太大。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）周围环境温度太高。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）泵或冷却器等有故障。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）检查进油口是否畅通。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）采取隔热措施。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）检查原因并排除。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">6. 高频振动。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）紧固螺钉松动。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）管接头松动。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）安装位置产生移动。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）应定期紧固螺钉。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）应定期紧固接头。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（3）应定期紧固安装螺钉。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">7. 活塞杆拉伤。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">原因：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）防尘圈老化、失效侵入砂粒切屑等脏物。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）导向套与活塞杆之间的配合太紧，使活动表面产生过热，造成活塞杆表面铬层脱落而拉伤。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">解决办法：</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（1）清洗更换防尘圈，修复活塞杆表面拉伤处。</span></p><p style="margin-top: 22px; margin-bottom: 0px; padding: 0px; line-height: 24px; color: rgb(51, 51, 51); text-align: justify; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><span class="bjh-p">（2）检查清洗，用刮刀修刮导向套内径，达到配合间隙。</span></p><p><br/></p>
