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液壓油缸緩沖裝置的設(shè)置問題,有必要知道
在液壓缸快速運(yùn)動(dòng)的場(chǎng)合中,很多的液壓缸都需要設(shè)置緩沖裝置來減緩沖擊。
1、液壓缸在工作壓力≤10MPa、活塞速度≤0.1m/s時(shí),可以不考慮緩沖裝置;否則,應(yīng)當(dāng)采用帶緩沖裝置的油缸或其他緩沖辦法。這隻能是一個(gè)參考條件,主要還要通過具體情況和油缸的用途等來決定。
2、短行程液壓缸不宜用兩端緩沖裝置,當(dāng)液壓缸行程較短時(shí),原則上應(yīng)采用無緩沖裝置的液壓缸。如果非常必要,隻能在一個(gè)動(dòng)作方向上放置一個(gè)緩沖裝置。否則將會(huì)導(dǎo)緻非緩沖行程太短,甚至沒有非緩沖行程,如下圖所示。
3、低速液壓缸不必采用緩沖裝置。緩沖裝置的作用就是在行程終點(diǎn)減低活塞桿的速度,以免引起沖擊,當(dāng)液壓缸速度較低(< 100mm/s)時(shí),緩沖裝置已經(jīng)失去意義。
4、一般認(rèn)爲(wèi)普通液壓缸在工作壓力>10MPa、活塞速度>0.1m/s時(shí),應(yīng)當(dāng)采用緩沖裝置或其他緩沖辦法。這隻是一個(gè)參考條件,主要還要通過具體情況和液壓油缸的用途等來決定。例如:要求速度變化緩慢的液壓缸,當(dāng)活塞速度≥0. 05~0. 12m/s時(shí),也得采用緩沖裝置。
5、快速動(dòng)作液壓缸應(yīng)設(shè)置緩沖裝置,當(dāng)液壓缸運(yùn)動(dòng)速度較快時(shí),由于負(fù)載及液壓缸活塞及活塞桿本身的質(zhì)量較大,故運(yùn)動(dòng)的動(dòng)量很大,因而在行程終點(diǎn)突然停止時(shí),易産生很大的沖擊及噪聲,這種沖擊不僅會(huì)引起液壓缸的損壞,而且會(huì)引起各類閥、配管及相關(guān)機(jī)械部件的損壞,具有很大的危害性。爲(wèi)消除這類沖擊,可在液壓回路中設(shè)置相應(yīng)的元件對(duì)液壓缸速度進(jìn)行控制,也可在液壓缸上設(shè)置緩沖裝置(如固定式或可調(diào)式液壓缸緩沖裝置等)。
MPCV-02A- MPCV-02B- MPCV-03W- MPCV-03A- MPCV-03B- MPCV-04W MPCV-04A MPCV-04B MPCV-06W MPCV-06A MPCV-06B MPC-02W- MPC-02A- MPC-02B- MPC-03W- MPC-03A- MPC-03B- MPC-04W- MPC-04A- MPC-04B- MPC-06W- MPC-06A- MPC-06B- SPV-02W SPV-02A SPV-02B SPV-03W SPV-03A SPV-03B SPV-04W SPV-04A SPV-04B SPV-06W SPV-06A SPV-06B MP-02W-*-55 MP-02A-*-55 MP-02B-*-55 MP-03W-*-40 MP-03A-*-40 MP-03B-*-40
MRV-02-P-0-10 MRV-02-P-1-10 MRV-02-P-2-10 MRV-02-P-3-10 MRV-02-P-4-10 MRV-03-P-0-10 MRV-03-P-1-10 MRV-03-P-2-10 MRV-03-P-3-10 MRV-03-P-4-10 MRV-02-A 系列 MRV-02-B 系列 MRV-02-W 系列 MRV-03-A 系列 MRV-03-B 系列 MRV-03-W 系列 MRV-02A- MRV-02B- MRV-02P- MRV-02W- MRV-03A- MRV-03B- MRV-03P- MRV-03W- MRV-04A- MRV-04B- MRV-04P- MRV-06A- MRV-06B- MRF-02A-K-*-20 MRF-02B-K-*-20 MRF-02P-K-*-20 MRF-02C-K-*-20 MRF-03A-K-*-20 MRF-03B-K-*-20 MRF-03P-K-*-20 MRF-03C-K-*-20 MRF-04A-K-*-20 MRF-04B-K-*-20 MRF-04P-K-*-20 MRF-06A-K-*-20 MRF-06B-K-*-20
DSG-01-2B2-D24-N1-50 DSG-01-2B2-A120-N1-50 DSG-01-2B2-A240-N1-50 DSG-01-2B2L-D24-N1-50 DSG-01-2B2B-D24-N1-50 DSG-01-2B2A-...-N1-50 DSG-01-2B3-...-N1-50 DSG-01-2B3B-...-N1-50 DSG-01-2B3A-...-N1-50 DSG-01-2B4B-...-N1-50 DSG-01-2B60B-...-N1-50 DSG-01-2B8-...-N1-50 DSG-01-2B10B-...-N1-50 DSG-01-2B11B-...-N1-50 DSG-01-2B2-D24-50 DSG-01-2B2-A120-50 DSG-01-2B2-A240-50 DSG-01-2B2L-...-50 DSG-01-2B2B-...-50 DSG-01-2B2A-...-50 DSG-01-2B3-...-50 DSG-01-2B3B-...-50 DSG-01-2B3A-...-50 DSG-01-2B4B-...-50 DSG-01-2B60B-...-50 DSG-01-2B8-...-50 DSG-01-2B10B-...-50 DSG-01-2B11B-...-50 DSG-01-3C2-D24-N1-50 DSG-01-3C2-A120-N1-50 DSG-01-3C2-A240-N1-50 DSG-01-3C4-D24-N1-50 DSG-01-3C4-A120-N1-50 DSG-01-3C4-A240-N1-50 DSG-01-3C60-D24-N1-50 DSG-01-3C60-A120-N1-50 DSG-01-3C60-A240-N1-50 DSG-01-2D2-D24-N1-50 DSG-01-2D2-A120-N1-50 DSG-01-2D2-A240-N1-50 DSG-01-2N2-...-N1-50 DSG-01-3C9-...-N1-50 DSG-01-3C10-...-N1-50 DSG-01-3C11-...-N1-50 DSG-01-3C12-...-N1-50 DSG-01-3C2-D24-50 DSG-01-3C2-A120-50 DSG-01-3C2-A240-50 DSG-01-3C4-D24-50 DSG-01-3C4-A120-50 DSG-01-3C4-A240-50 DSG-01-3C60-D24-50 DSG-01-3C60-A120-50 DSG-01-3C60-A240-50 DSG-01-2D2-D24-50 DSG-01-2D2-A120-50 DSG-01-2D2-A240-50 DSG-01-2N2-...-50 DSG-01-3C9-...-50 DSG-01-3C10-...-50 DSG-01-3C11-...-50 DSG-01-3C12-...-50 DSG-02-2B2-DL (DC24V) DSG-02-2B2-DL (AC220V) DSG-02-3C2-DL (DC24V) DSG-02-3C2-DL (AC220V) DSG-02-3C3-DL (DC24V) DSG-02-3C3-DL (AC220V) DSG-02-3C4-DL (DC24V) DSG-02-3C4-DL (AC220V) DSG-02-3C6-DL (DC24V) DSG-02-3C6-DL (AC220V) DSG-02-2B2-LW (DC24V) DSG-02-2B2-LW (AC220V) DSG-02-3C2-LW (DC24V)) DSG-02-3C2-LW (AC220V) DSG-02-3C3-LW (DC24V)) DSG-02-3C3-LW (AC220V) DSG-02-3C4-LW (DC24V) DSG-02-3C4-LW (AC220V) DSG-02-3C6-LW (DC24V) DSG-02-3C6-LW (AC220V)
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MGV-02-P-0-10 MGV-02-P-1-10 MGV-02-A-0-10 MGV-02-A-1-10
MTC-02-W-O-10 MTC-02-W-I-10 MTC-03-W-O-10 MTC-03-W-I-10 MTC-02-A-O-10 MTC-02-A-I-10 MTC-02-B-O-10 MTC-02-B-I-10 MTC-03-A-O-10 MTC-03-A-I-10 MTC-03-B-O-10 MTC-03-B-I-10
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