斜盘式与斜轴式轴向柱塞泵相比较,各有所长斜轴式轴向柱塞泵采用了驱动盘结构,使柱塞缸体不承受侧向力,所以,缸体对配油盘的倾复可能性小,有利于柱塞副与配油部位工作,另外,允许的倾角大,可是,结构复杂,工艺性差,需要使用大容量止推轴承,因而高压连续工作时间往往受到限制,成本高。斜盘式轴向柱塞泵,由于配油盘与缸体、滑靴与柱塞这两对高速运动副均采用了一静压支承,省去了大容量止推轴承,具有结构紧凑,零件少,工艺性好,成本低,体积小,重量轻等优点,从而使该泵获得了迅速发展,并且由于轴向泵比径向泵结构简单,制造成本低;
除应具备密封圈材料的一般要求外,密封圈还要注意下述条件:(1)富有弹性和回弹性;(2)适当的机械强度,包括扩张强度、伸长率和抗撕裂强度等。(3)性能稳定,在介质中不易溶胀,热收缩效应(焦耳效应)小。(4)易加工成型,并能保持精密的尺寸。(5)不腐蚀接触面,不污染介质等。满足上述要求的最适合而且最常用的材料是橡胶,所以密封圈大多用橡胶材料制成。橡胶的品种很多,而且不断有新的橡胶品种出现,设计与选用时,应了解各种橡胶的特性,合理选择。
德国力士乐柱塞泵型号:
A4VS0250LR3G/30R-PZB13N00-S0
A4VS071DR/31R-PPB
A4VG71DWDMT2/23L-NZF02F041D泵
柱塞泵A4VSO180DR/30R-FPB13N00
A2VK12MAOR4GOPE1-S029447172
A4VS0125DFR/30R-PPB13N00
E-A4VSO180DR/30R-PPB13N00
A4VSG250HSE/30R-PPB10N000N
A4VSG250HS/10R-PPB10NOO
A2VK12MAOR4GOPE1-S029447172
A4VG250HD1D1/32LNZD10F001S
A4VSO40DR10RPPB13100N
A4VSO71DR/10R-PPB13N00
A4VSG250HD1A/30R-PPB10K269N
A4VSG40EM2009/10R-PZB10N000N
A4VSG250HS1/30R-PPB10N000N
变量轴向柱塞泵A4VSO125DR/30R-PPB13N00
A4VSG250HS/10R-PPB10N00
A4VS040DR/10X-PPB13N00
A4VS0250DR/30RPPB13N00
A4VSG250EO1/22R-PPB10N000N
A4VS0125DR/22R-PPB13N00
柱塞泵A4VSG750HD/22R-PPH10NOO
A4VSG71EO1K/10R-PPB10H049N
A4VS0250DR/22R-PPB13N00
A4VS071DR/31R-PPB
A4VSG71HD1D/10R-PPB10K33ON
变量轴向柱塞泵A4VSO125DR/30R-PPB13N00
A4VS040DR/10R-PPB13NOO
A4VSO250E01/30R-PPB13N00-S0368
A4VSG250DP/30R-PPB10N00
A4VS0125DR/22R-PPB13N00
A4VS0180DR/30R-PPB13N00
A4VG71DWDMT2/23L-NZF02F041D
A10VS071DR/31R-PPA12N00
A4VG250HD1D1/32R-NSD10F001D
A4VS0250DR/30RPPB13N00
A4VG125EP2D1/32R-NAF02K691EP-4
A4VSG71HD1U/10R-PPB10N000N
变量轴向柱塞泵A4VSO125DR/30R-PPB13N00
A4VS0125DR/10R-PPB13N00
A4VG90EP2DT1/32R-NAF02F00
A4VSG250EM3066/30R-PPB10N009N
A4VSG500HD1AT/30R-PPH10K249N
A4VS0250E01/30R-PPBN00-S036
A4VS0250DR/30R-PPB13N00
A10VSO45DFR1/31R-PPA12N00
A4VSO500E02/30R-PPH13N00
A4VS0250DRG/30R-PPB13N00
A4VS0125DRG/30R-PPB13N00
A10VSO140DFR/31R-PPB12K26
A4VSG40HD1D/10R-PPB10K019N
A4VG90EP2DT1/32L-NAFO2F001D
A4VG125HDMT1/32R-NSFO21S-S
A4VSG250EO2/30R-PPB10H020N
A4VS0125DR/10R-PPB13N00
A4VSO71EO2/10R-PPB13NOO
A4VSO71EO2/10R-PPB13NOO
A4VG90HWD2/32R-PZF02F001S
A4VSG250EO2/30R-PPB10H020N
A4VSG250EM1007/30R-PPB10H029F
A4VSG71HD1T/10R-PPB100419N
A4VSO180DR/30R-PPB13N00
A4VSG40EM2009/10R-PPB10K310N
A4VG250HD1D1/32R-NSD10F001D
A4VSG250HS1/30L-PPB10N000N
柱塞在压排结束时,柱塞底腔内仍旧会残存一些为出口压力 的油液,在柱塞进入吸入行程时,首先开始膨胀,压力降至吸入压力 ,这样便损失一部分吸入容积。因此采用了充填尼龙的柱塞,可以有效的减少柱塞底腔的残留空间,从而减少油液压弹性容积损失,提高容积效率。 传统设计中缸套所使用的材料基本都是轴承钢,从经济的角度考虑来说是比普通钢材要贵的,并且这种材料硬度高十分不好加工,所以我这次选用的是40Cr,即经济又便于加工。一般泵的寿命与配油盘和柱塞与缸体之间的滑动部分的擦伤等是有关,所以给缸体增加缸套,如果有擦伤的情况发生,只需更换一个缸套就可以了,从而不用去更换一个新的缸体,这样既经济又方便,也延长了泵的使用寿命。
s19hms220
以上型号不全,可来电咨询~~● 新闻:A4VG90EP2DT1/32L-NAFO2F001D一级代理:http://www.jdzj.com/chanpin/ku1_2772735.html