另外还存在材料金相组织稳定的问题,众所周知,钢在淬火后总是会有残余的奥氏体,该体长时间会转变成密度小的马氏体。这样一来,会使零件尺寸变形,减少间隙。这个因素基本是估计不到的。所以,从这个观点来看,柱塞采用刃量具钢为好,或者说采用时效或者冷处理,来稳定金相组织。这个问题在间隙小时就显得尤为重要了。
在盘式配油的轴向柱塞泵中,配油部位是最关键部位之一,它直接影响着液压泵的可靠性和寿命。配油机构有平面和球面两种,通常所说的的柱塞泵,多采用平面配油机构。配油机构的设计以工作可靠,漏损最少,滑动表面的磨损最少为目标设计。这样,会使缸体与配油盘平面之间形成一定厚度的油膜,防止金属直接接触,保护好机械零件。同时,还要使油膜为***能耗的油膜厚度。
德国力士乐柱塞泵型号:
A4VG71EP/32R-NAF02F011S
A10VSO100DR/31R-PPA12NOO
A4VG180EP2MT1/32RNZD02F0215
轴向柱塞泵
A4VSO71EO2/10R-PPB13NOO
A4VSG71HD1D/10R-PPB10K33ON
A4VSG40EM2009/10R-PPB10K310N
A4VSG71HD1A/10R-PZB10K519N
A10VS071DR/31R-PPA12N00
A4VG40EP4DMT1/32L-NSC02F015PH
AE-A10VSO140D/31R-PPB12N00
AA10VS045DFR/31R-PKC62N00
A10VSO45DFR1/31R-PPA12N00
A4VSO125DR/3DR-PPB13NOO
A4VSG40EM2009/10R-PZB10N000N
A4VS071DR/22R-PPB13NOO
A4VS0180DR/22R-PPB13N00
A4VSG71HD1A/10R-PZB10K519N
E-A10VSO45DR/31R-PPA12N00
A4VG180EP2DT1/32R-NTD02F021S
A4VS071DR/30R-PPB13N00
A4VSO71DR/10R-PPB13N00
A4VSO500E02/30R-PPH13N00
A4VG125HDDT132L-PZF02F001D
柱塞泵
A4VS0250HD1GB/30R-PZB13K35-S
A2VK28MAOR1GOPE2-S022028554
轴向柱塞泵E-A4VSO250EO2/30R-VPB25N00-SO3
A10VSO28DFLR/31R-PPA12NOO
A4VG125HDDT132L-PZF02F001D
A4VS0125DR/22R-PPB13N00
A4VS0125DR/22R-VPB13N00
AA10VSO100DFR/31L-PKC62K03
A4VSG250EM1007/30R-PPB10H029F
A4VSG250HD1P/30R-PPB10G300N
A4VSG250HD1T/30R-PPB10N000N
A4VG250HD1D1/32LNZD10F001S
A4VSG71EO1/10R-PPB10N00
A4VG90EP2DT1/32L-NAFO2F001D
A4VSG71EO1K/10R-PPB10H049N
A4VG125HD1D2/32R-NSF02F02F021P
A4VSO180EO/30L-P2B13N00
A4VSG250EO2/30R-PPB10H020N
A4VG125EP2/32+A10V028DR/31
A4VG90HWDL1/32L-NZF02F001S-SB
A4VG125EP2D1/32R-NAF02K691EP-4
A4VSG40EM4095/10R-PPB10H039F
A4VG125HDDT1/32L-PZF02F001D
E-A4VSO250EO2/30R-VPB25N00-SO3
A4VS0125DR/22R-VPB13N00
A4VG125EP2/32+A10V028DR/31
A4VSO71DR/10R-PPB13N00
A4VSG71EM3136/10R-PPB10K019N
A4VSG250HD1A/30R-PPB10K269N
A4VSO40EO/31L-P2BBN00
A4VG250HD1D1/32R-NSD10F001D
A4VSO125DR/3DR-PPB13NOO
AA10VSO140DRG/31R-PKD62N00
A4VG40EP4DMT1/32L-NSC02F015PH
A4VSO71DR/10R-PPB13N00
A4VSG71EO2K/10R-PPB10H049N
A10VSO140DFR1/31R-PPB12N00
A4VSG250EO1/22R-PPB10N000N
A4VS0250LR3G/30R-PZB13N00-S0
A4VSG250HD1U/30R-PPB10K269N
A4VSG40HS1/10R-VPB10N000N
维护与保养 (1)在运转前必须检查,控制油位。在泵***次运转 30 小时以后须更换润滑油。以后每工作200小时换油一次。 (2)全部螺丝必须拧紧。 (3)泵在运转过程中,润滑油温度不得大于 70 ℃,介质温度不得大于 55 ℃ 。 当柱塞在曲轴带动下做回程运动时,泵头工作缸内腔溶积逐渐增大,压力逐渐下降,造成了局部真空,排液阀处于闭合状态。在压差作用下进液阀打开,液体进入工作缸。柱塞继续移动到回程极限位置时吸液过程终了,这时工作缸内吸液最多。当柱塞做进程运动时,工作缸的容积逐渐减小,液体受挤压,压力增加,使进液阀关闭,排液阀打开,液体从排出管中排出。柱塞达到进程极限位置时,工作腔内的容积最小排液过程完毕。由于柱塞不断地往复运动,泵的吸液,排液过程就不断交替进行,高压液体就不断地输出。
s19hms220
以上型号不全,可来电咨询~~● 新闻:A4VG71DWDMT2/23L-NZF02F041D泵生产厂家:http://www.jdzj.com/chanpin/ku1_2798237.html