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討論
卸荷閥同一般先導(dǎo)式溢流閥結(jié)構(gòu)原理一樣,在調(diào)試過程中,也存在嘯叫與壓力振擺現(xiàn)象.根據(jù)有關(guān)資料[3]介紹,產(chǎn)生壓力振擺主要原因:
1)主閥芯導(dǎo)向長度太短,主閥芯工作中不穩(wěn);
2)導(dǎo)閥的控制油路不應(yīng)由主閥上腔引出,該處壓力在主閥工作中就是變化的,隨流量變化而變化,必然引起壓力擺動(dòng);
3)導(dǎo)閥芯處于懸空狀態(tài),工作中要偏移,導(dǎo)閥口徑向間隙不均,必然產(chǎn)生嘯叫和振動(dòng).
減少嘯叫和壓力振擺方法,應(yīng)保證零部件加工裝配質(zhì)量和合理的結(jié)構(gòu)參數(shù),適當(dāng)加長主閥芯導(dǎo)向長度,使導(dǎo)閥芯加上導(dǎo)向支承.
RPC1-4/M/P-M1/10,RPC1-10/M/P-M1/10,RPC1-16/M/P-M1/10,RPC1-22/M/P-M1/10,RPC1-30/M/P-M1/10,
RPC1-30/M/P-M1/10,RPC1-K/M/P-M1/10,
RPC1-1/M/D-M1/10,RPC1-10/M/D-M1/10,RPC1-16/M/D-M1/10,RPC1-22/M/D-M1/10,RPC1-30/M/D-M1/10,
RPC1-30/M/D-M1/10,duplomatic(迪普馬液壓),RPC1-K/M/D-M1/10,
RPC1-1/M/T-M1/10,RPC1-4/M/T-M1/10,RPC1-16/M/T-M1/10,RPC1-22/M/T-M1/10,RPC1-30/M/T-M1/10,
RPC1-30/M/T-M1/10,RPC1-K/M/T-M1/10,
RPC1-1/M/PCT3-M1/10,RPC1-4/M/PCT3-M1/10,RPC1-10/M/PCT3-M1/10,RPC1-22/M/PCT3-M1/10,RPC1-30/M/PCT3-M1/10,
RPC1-30/M/PCT3-M1/10,RPC1-K/M/PCT3-M1/10,
RPC1-1/M/P-M1/10/V,RPC1-4/M/P-M1/10/V,RPC1-10/M/P-M1/10/V,RPC1-16/M/P-M1/10/V,RPC1-30/M/P-M1/10/V,
RPC1-30/M/P-M1/10/V,RPC1-K/M/P-M1/10/V,
2、電磁閥控制式卸荷閥卸荷
該種卸荷方式與前種不同點(diǎn)是其控制油道與油箱通斷與否,由電磁閥控制,見圖1c,卸荷油道短,卸荷時(shí)壓力損失低,又便于自動(dòng)控制,但卸荷的可靠性低,多用于電磁多路閥的場合.
RPC1-1/M/D-M1/10/V,RPC1-4/M/D-M1/10/V,RPC1-10/M/D-M1/10/V,RPC1-16/M/D-M1/10/V,RPC1-22/M/D-M1/10/V,RPC1-30/M/D-M1/10/V,
RPC1-30/M/D-M1/10/V,RPC1-K/M/D-M1/10/V,
RPC1-1/M/T-M1/10/V,RPC1-4/M/T-M1/10/V,RPC1-10/M/T-M1/10/V,RPC1-16/M/T-M1/10/V,RPC1-22/M/T-M1/10/V,RPC1-30/M/T-M1/10/V,
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RPC1-30/M/T-M1/10/V,duplomatic(迪普馬液壓),RPC1-K/M/T-M1/10/V,
RPC1-1/M/PCT3-M1/10/V,RPC1-4/M/PCT3-M1/10/V,RPC1-10/M/PCT3-M1/10/V,RPC1-16/M/PCT3-M1/10/V,RPC1-22/M/PCT3-M1/10/V,RPC1-30/M/PCT3-M1/10/V,RPC1-30/M/PCT3-M1/10/V,RPC1-K/M/PCT3-M1/10/V,
RQR3-P6/2/40/V力士樂 代理商生產(chǎn) RQA3-P6/1/I/40/V力士樂 代理商廠家 RQR5-P3/2/40/V力士樂 代理商直銷 RQR3-P5/1/I/40/V力士樂 代理商特價(jià)銷售