武汉宏远液压气动设备有限公司
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(1)压力不均匀引起的噪声
先导型溢流阀的导阀部分是一个易振部位如图3所示。在高压情况下溢流时,导阀的轴向开口很小,仅0.003~0.006厘米。过流面积很小,流速很高,可达200米/秒,易引起压力分布不均匀,使锥阀径向力不平衡而产生振动。另外锥阀和锥阀座加工时产生的椭圆度、导阀口的脏物粘住及调压弹簧变形等,也会引起锥阀的振动。所以一般认为导阀是发生噪声的振源部位。
CTR3-075/M3A/GP1-0061/B10N
CTR3-035/P4/GP1-0061/B10N
CTR3-050/P4/GP1-0061/B10N
CTR3-075/P4/GP1-0061/B10N
CTR3-035/M4A/GP1-0061/B10N
CTR3-050/M4A/GP1-0061/B10N
CTR3-075/M4A/GP1-0061/B10N
CTR3-035/P5.5/GP1-0061/B10N
CTR3-050/P5.5/GP1-0061/B10N
CTR3-075/P5.5/GP1-0061/B10N
CTR3-035/M5.5A/GP1-0061/B10N
CTR3-050/M5.5A/GP1-0061/B10N
CTR3-075/M5.5A/GP1-0061/B10N
CTR3-035/P7.5/GP1-0061/B10N
CTR3-050/P7.5/GP1-0061/B10N
CTR3-075/P7.5/GP1-0061/B10N
CTR3-035/M7.5A/GP1-0061/B10N
CTR3-050/M7.5A/GP1-0061/B10N
CTR3-075/M7.5A/GP1-0061/B10N
CTR3-035/P2.2/GP1-0074/B10N
CTR3-050/P2.2/GP1-0074/B10N柱塞式计量泵J-X150/1.0R901026612 DREME 10-5X/100YG24K31V
阿美特克露点仪13-1200-C-N-2
氧化锆加热及温控组件73052TEX WDG1210X/Insitu AMETEK氧分析仪
氧化锆锆管 71785SEX WDG1210X/Insitu AMETEK氧分析仪
氧化锆过滤器 74422SEX WDG1210X/Insitu AMETEK氧分析仪
BWB控制器HCT2
BWB控制器HCT2C
BWB控制器HC3BBHR1
BWB控制器HCT3BBHR1
BWB控制器HC3BBHR2
BWB控制器HCT3BBHR2
FLOTT电机BSM 150 A pol 370531
BSM150A 370541
BSM150 370546
BSM75 370545
BSM75A 370540
BSM75A pol 370530
MURPHY
MURPHY A20DP-50
MURPHY A20-OS-400
MURPHY 20TE-250-10-1-2
Pratissoli普兰索力
KF36R KT40R KFG36 KEB36R KF30R
Loram B26586
GENERAL MONITORS S4000CH
BLACKHALL 低温截止阀 8570 PN40 DN15
E+H 电磁流量计10L1Z-UEOA1AAOA4AA
E+H 流量计 80F25-3MP4/0
TinkerRasor CE-IT测试仪
TinkerRasor RF-1T绝缘接头
供油过程
当凸轮轴转到凸轮的凸起部分顶起滚轮体时,柱塞弹簧被压缩,柱塞向上运动,燃油受压,一部分燃油经油孔流回喷油泵上体油腔。当柱塞顶面遮住套筒上进油孔的上缘时,由于柱塞和套筒的配合间隙很小(0.0015-0.0025mm)使柱塞顶部的泵油室成为一个密封油腔,柱塞继续上升,泵油室内的油压迅速升高,泵油压力>出油阀弹簧力+高压油管剩余压力时,推开出油阀,高压柴油经出油阀进入高压油管,通过喷油器喷入燃烧室。
CTR3-035/M7.5A/GP2-0140/C411N
CTR3-050/M7.5A/GP2-0140/C411N
CTR3-075/M7.5A/GP2-0140/C411N
CTR3-035/P2.2/GP2-0158/C411N
CTR3-050/P2.2/GP2-0158/C411N
CTR3-075/P2.2/GP2-0158/C411N
CTR3-035/M2.2A/GP2-0158/C411N
CTR3-050/M2.2A/GP2-0158/C411N
CTR3-075/M2.2A/GP2-0158/C411N
CTR3-035/P3/GP2-0158/C411N
CTR3-050/P3/GP2-0158/C411N
CTR3-075/P3/GP2-0158/C411N
CTR3-035/M3A/GP2-0158/C411N
CTR3-050/M3A/GP2-0158/C411N
CTR3-075/M3A/GP2-0158/C411N
CTR3-035/P4/GP2-0158/C411N
CTR3-050/P4/GP2-0158/C411N
CTR3-075/P4/GP2-0158/C411N
CTR3-035/M4A/GP2-0158/C411N
CTR3-050/M4A/GP2-0158/C411N
CTR3-075/M4A/GP2-0158/C411N
CTR3-035/P5.5/GP2-0158/C411N
CTR3-050/P5.5/GP2-0158/C411N
CTR3-075/P5.5/GP2-0158/C411N
CTR3-035/M5.5A/GP2-0158/C411N
CTR3-050/M5.5A/GP2-0158/C411N
CTR3-075/M5.5A/GP2-0158/C411N柱塞式计量泵J-X150/1.0atos SP-CART-M6/350-K