卸荷阀同一般先导式溢流阀结构原理一样,在调试过程中,也存在啸叫与压力振摆现象.根据有关资料[3]介绍,产生压力振摆主要原因:
1)主阀芯导向长度太短,主阀芯工作中不稳;
2)导阀的控制油路不应由主阀上腔引出,该处压力在主阀工作中就是变化的,随流量变化而变化,必然引起压力摆动;
3)导阀芯处于悬空状态,工作中要偏移,导阀口径向间隙不均,必然产生啸叫和振动。
减少啸叫和压力振摆方法,应保证零部件加工装配质量和合理的结构参数,适当加长主阀芯导向长度,使导阀芯加上导向支承。
台湾七洋7OCEAN节流阀部分型号:
SRG-03 SRG-06 SRG-10
SRT-03 SRT-06 SRT-10
台湾七洋7OCEAN单向节流阀部分型号:
SRCG-03-10 SRCG-06-10
SRCG-10-10 SRCG-03-11
SRCG-06-11 SRCG-10-11
SRCT-03-10 SRCT-06-10
SRCT-10-10 SRCT-03-11
SRCT-06-11 SRCT-10-11
台湾七洋7OCEAN逻辑阀部分型号:
R16A1-10 R16A0-10 R16A4-10
R25A1-10 R25A0-10 R25A4-10
R32A1-10 R32A0-10 R32A4-10
台湾七洋7OCEAN逻辑阀
LCV-16-0-D-10 LCV-16-20-D-10 LCV-16-50-D-10
LCV-25-0-D-10 LCV-25-20-D-10 LCV-25-50-D-10
LCV-32-0-D-10 LCV-32-20-D-10 LCV-32-50-D-10
LCV-40-0-D-10 LCV-40-20-D-10 LCV-40-50-D-10
LCV-50-0-D-10 LCV-50-20-D-10 LCV-50-50-D-10
LCV-63-0-D-10 LCV-63-20-D-10 LCV-63-50-D-10
LCV-16-0-DS-10 LCV-16-20-DS-10 LCV-16-50-DS-10
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LCV-63-0-P-10 LCV-63-20-P-10 LCV-63-50-P-10
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