?液壓缸的計(jì)算 液壓缸的主要尺寸包括：液壓缸內(nèi)徑D、活塞桿直徑d、液壓缸缸體長(zhǎng)度L 液壓缸內(nèi)徑D 1根據(jù)最大總負(fù)載和選取的工作壓力來(lái)確定 2根據(jù)執(zhí)行機(jī)構(gòu)速度要求和選定液壓泵流量來(lái)確定 根據(jù)最大總負(fù)載和選取的工作壓力來(lái)確定 以單桿缸為例：無(wú)桿腔進(jìn)油時(shí)?D=√4F1/π(p1-p2)-dp2/p1-p2 有桿腔進(jìn)油時(shí)D=√4F2/π(p1-p2)+dp1/p1-p2 如果初步選擇回油壓力p2=0，以上兩種簡(jiǎn)化為:無(wú)桿腔進(jìn)油時(shí)，D=√4F1/πp1 有桿腔進(jìn)油時(shí)?D=√4F2/πp1+d 根據(jù)執(zhí)行機(jī)構(gòu)速度要求和選定液壓泵流量來(lái)確定 無(wú)桿腔進(jìn)油時(shí)：D=√4qv/πv1 有桿腔進(jìn)油時(shí)：D=√4qv/πv1+d 計(jì)算得到的液壓缸內(nèi)徑(即活塞直徑)應(yīng)為標(biāo)準(zhǔn)值 （二）活塞桿直徑d 原理：活塞桿直徑可根據(jù)工作壓力或設(shè)備類(lèi)型選擇液壓缸的往復(fù)速度比有一定要求的時(shí)候 d=D√λv-1/λv 計(jì)算所得活塞桿直徑d亦應(yīng)圓整為標(biāo)準(zhǔn)系列值。
（三）液壓缸缸體長(zhǎng)度L 原則：由液壓缸最大行程、活塞寬?度、活塞桿導(dǎo)向套長(zhǎng)?度、活塞桿密封?長(zhǎng)度和特殊要求的 確定其他長(zhǎng)度為了降低加工難度，液壓缸體的長(zhǎng)度一般不是?內(nèi)徑應(yīng)大于20-30倍 缸筒壁厚δ 確定原則：中低壓系統(tǒng)，無(wú)需校核；高壓大直徑時(shí)，必須校核δ 缸筒壁厚δ校核方法 薄壁缸體（無(wú)縫鋼管）: 當(dāng)δ/D≤0.08時(shí)δ≥pmaxD/2[б] 厚壁缸體（鑄造缸體）: 當(dāng)δ/D=0.08——0.3時(shí) δ≥pmaxD/2.3[б]-3pmax 當(dāng)δ/D≥0.3時(shí) δ≥D/2[√[б]+0.4?py/[б]-1.3py-1] 液壓缸其它部位尺寸的確定 導(dǎo)向長(zhǎng)度H≥L/20+D/2（L為液壓缸最大行程） 活塞寬度B=（0、6——1、0）D； A=(0.6—10)D（D<80mm） 導(dǎo)向套滑動(dòng)面長(zhǎng)度A A=(0.6—1)d（D≥80mm） 如裝有隔套K時(shí)，C=H-（A+B）/2 液壓缸其它部位尺寸的確定 活塞桿長(zhǎng)度由L確定，必要時(shí)需進(jìn)行穩(wěn)定性驗(yàn)算。
當(dāng)液壓缸承受軸向壓縮載荷時(shí)： 若l/d≤15時(shí)，無(wú)須驗(yàn)算 驗(yàn)算l/d≥15時(shí)，可按材料力學(xué)有關(guān)公式進(jìn)行 90-L-075-KN-5-NN-80-R-4-S1-D-03-GBA-38-38-24 90L075KN5NN80R4S1D03GBA383824 90L075-KN-5-NN-80-S-3-C7-D-03-GBA-42-42-24 90L075KN5NN80S3C7D03GBA424224 90-L-075-KN-5-NN-80-S-3-C7-D-03-GBA-42-42-24 90L075KN5NN80S3C7D03GBA424224 90L075-KN-5-NN-80-S-3-S1-D-03-GBA-42-42-24 90L075KN5NN80S3S1D03GBA424224 90-L-075-KN-5-NN-80-S-3-S1-D-03-GBA-42-42-24 90L075KN5NN80S3S1D03GBA424224 90-L-075-KP-1-AB-60-L-3-S1-D-03-GBA-42-42-24 90L075KP1AB60L3S1D03GBA424224 90-L-075-KP-1-AB-60-P-3-S1-D-00-GBA-42-42-24 90L075KP1AB60P3S1D00GBA424224 90-L-075-KP-1-AB-60-P-3-S1-D-03-GBA-29-29-24 90L075KP1AB60P3S1D03GBA292924 90-L-075-KP-1-AB-60-P-4-S1-D-03-GBA-23-23-24 90L075KP1AB60P4S1D03GBA232324 90-L-075-KP-1-AB-60-R-3-S1-D-03-GBA-14-29-24 90L075KP1AB60R3S1D03GBA142924 90-L-075-KP-1-AB-60-R-3-S1-D-03-GBA-29-29-24 90L075KP1AB60R3S1D03GBA292924 90-L-075-KP-1-AB-60-R-3-S1-E-03-GBA-35-35-24 90L075KP1AB60R3S1E03GBA353524 90-L-075-KP-1-AB-60-S-3-S1-D-03-GBA-29-29-24 90L075KP1AB60S3S1D03GBA292924 90-L-075-KP-1-AB-61-P-3-T1-D-03-GBA-42-42-24 90L075KP1AB61P3T1D03GBA424224 90-L-075-KP-1-AB-61-P-3-T2-D-03-GBA-42-42-24 90L075KP1AB61P3T2D03GBA424224 90-L-075-KP-1-AB-61-R-3-S1-E-03-GBA-35-35-24 90L075KP1AB61R3S1E03GBA353524 90-L-075-KP-1-AB-80-L-4-S1-D-03-GBA-29-29-24 90L075KP1AB80L4S1D03GBA292924 90-L-075-KP-1-AB-80-P-3-C6-C-03-GBA-32-32-24 90L075KP1AB80P3C6C03GBA323224 90-L-075-KP-1-AB-80-P-3-S1-D-00-GBA-42-42-24 90L075KP1AB80P3S1D00GBA424224 90-L-075-KP-1-AB-80-P-3-S1-D-03-GBA-29-29-24 90L075KP1AB80P3S1D03GBA292924 90-L-075-KP-1-AB-80-P-3-S1-D-03-GBA-42-42-24 90L075KP1AB80P3S1D03GBA424224 90-L-075-KP-1-AB-80-P-3-S1-E-03-GBA-42-42-24 90L075KP1AB80P3S1E03GBA424224 90-L-075-KP-1-AB-80-R-3-S1-D-00-GBA-26-26-24 90L075KP1AB80R3S1D00GBA262624 90-L-075-KP-1-AB-80-R-3-S1-E-03-GBA-32-32-24 90L075KP1AB80R3S1E03GBA323224 90-L-075-KP-1-AB-80-R-4-S1-D-03-GBA-23-23-28 90L075KP1AB80R4S1D03GBA232328 90-L-075-KP-1-AB-80-R-4-S1-E-03-GBA-20-20-24 90L075KP1AB80R4S1E03GBA202024 90-L-075-KP-1-AB-80-S-3-C6-D-02-GBA-40-40-24 90L075KP1AB80S3C6D02GBA404024 90-L-075-KP-1-AB-80-S-3-C6-D-03-GBA-40-40-24 90L075KP1AB80S3C6D03GBA404024 90-L-075-KP-1-AB-80-S-3-C7-D-03-GBA-35-35-24 90L075KP1AB80S3C7D03GBA353524 90-L-075-KP-1-AB-80-S-3-S1-D-03-GBA-42-42-24 90L075KP1AB80S3S1D03GBA424224 90-L-075-KP-1-AB-80-S-3-S1-D-03-GBA-42-42-26 90L075KP1AB80S3S1D03GBA424226 90-L-075-KP-1-AB-80-S-3-S1-E-03-GBA-35-35-24 90L075KP1AB80S3S1E03GBA353524 90-L-075-KP-1-AB-80-S-3-T1-D-03-GBA-42-42-24 90L075KP1AB80S3T1D03GBA424224 90-L-075-KP-1-AB-80-S-3-T2-E-00-GBA-35-35-20 90L075KP1AB80S3T2E00GBA353520 90-L-075-KP-1-AB-80-S-4-S1-D-03-GBA-42-42-24 90L075KP1AB80S4S1D03GBA424224 90-L-075-KP-1-AB-80-S-4-S1-E-03-GBA-29-29-28 90L075KP1AB80S4S1E03GBA292928 90-L-075-KP-1-AB-80-S-4-S1-E-03-GBA-42-42-24 90L075KP1AB80S4S1E03GBA424224 90-L-075-KP-1-AB-81-S-3-S1-E-03-GBA-32-32-24 90L075KP1AB81S3S1E03GBA323224 90-L-075-KP-1-AB-81-S-3-T2-E-00-EBC-35-35-20 90L075KP1AB81S3T2E00EBC353520 90L075-KP-1-BB-80-P-3-S1-D-03-GBA-35-35-20 90L075KP1BB80P3S1D03GBA353520 90-L-075-KP-1-BB-80-P-3-S1-D-03-GBA-35-35-20 90L075KP1BB80P3S1D03GBA353520 90-L-075-KP-1-BB-80-P-3-S1-D-03-GBA-42-42-24 90L075KP1BB80P3S1D03GBA424224 90-L-075-KP-1-BB-80-P-3-S1-E-03-GBA-42-42-24 90L075KP1BB80P3S1E03GBA424224 90-L-075-KP-1-BB-80-R-3-C6-E-03-FAC-35-35-24-B020 90L075KP1BB80R3C6E03FAC353524B020 90-L-075-KP-1-BB-80-R-3-S1-E-00-GBA-32-32-24 90L075KP1BB80R3S1E00GBA323224 90-L-075-KP-1-BB-80-R-3-S1-E-00-GBA-38-38-24 90L075KP1BB80R3S1E00GBA383824 90-L-075-KP-1-BB-80-R-3-S1-E-03-GBA-35-35-24 90L075KP1BB80R3S1E03GBA353524 90-L-075-KP-1-BB-80-S-3-C6-D-03-GBA-42-42-24 90L075KP1BB80S3C6D03GBA424224 90-L-075-KP-1-BB-81-P-3-S1-C-03-GBA-35-35-20 90L075KP1BB81P3S1C03GBA353520 90-L-075-KP-1-BB-81-P-3-S1-D-03-GBA-35-35-20 90L075KP1BB81P3S1D03GBA353520 90-L-075-KP-1-BC-60-L-3-S1-E-03-GBA-42-42-20 90L075KP1BC60L3S1E03GBA424220 90-L-075-KP-1-BC-60-L-4-S1-E-03-GBA-35-35-24 90L075KP1BC60L4S1E03GBA353524 90-L-075-KP-1-BC-60-P-3-S1-D-00-GBA-35-35-20 90L075KP1BC60P3S1D00GBA353520 90-L-075-KP-1-BC-60-P-3-S1-D-03-GBA-23-23-24 90L075KP1BC60P3S1D03GBA232324 90-L-075-KP-1-BC-60-P-3-S1-E-03-GBA-35-35-24 90L075KP1BC60P3S1E03GBA353524 90-L-075-KP-1-BC-60-R-3-S1-D-03-GBA-35-35-24 90L075KP1BC60R3S1D03GBA353524 90-L-075-KP-1-BC-60-R-4-S1-D-03-GBA-42-42-24 90L075KP1BC60R4S1D03GBA424224 90-L-075-KP-1-BC-60-S-3-C7-E-03-GBA-35-35-24 90L075KP1BC60S3C7E03GBA353524 90-L-075-KP-1-BC-60-S-3-S1-D-03-GBA-35-35-24 90L075KP1BC60S3S1D03GBA353524 90-L-075-KP-1-BC-60-S-3-S1-E-03-GBA-35-35-24 90L075KP1BC60S3S1E03GBA353524 90-L-075-KP-1-BC-61-L-3-S1-E-03-GBA-35-35-24 90L075KP1BC61L3S1E03GBA353524 90-L-075-KP-1-BC-80-D-3-C7-L-03-GBA-42-42-24 90L075KP1BC80D3C7L03GBA424224 90-L-075-KP-1-BC-80-D-3-S1-L-03-GBA-26-26-24 90L075KP1BC80D3S1L03GBA262624 90-L-075-KP-1-BC-80-L-3-S1-E-03-EBC-23-23-24 90L075KP1BC80L3S1E03EBC232324 90-L-075-KP-1-BC-80-L-3-S1-E-03-GBA-35-35-24 90L075KP1BC80L3S1E03GBA353524 90-L-075-KP-1-BC-80-P-3-C7-D-02-EBC-26-26-24 90L075KP1BC80P3C7D02EBC262624 90-L-075-KP-1-BC-80-P-3-C7-D-02-GBA-26-26-24 90L075KP1BC80P3C7D02GBA262624 90-L-075-KP-1-BC-80-P-3-C7-D-02-GBA-29-29-24 90L075KP1BC80P3C7D02GBA292924 90-L-075-KP-1-BC-80-P-3-C7-D-03-GBA-29-29-24 90L075KP1BC80P3C7D03GBA292924 90-L-075-KP-1-BC-80-P-3-C7-D-03-GBA-35-35-24 90L075KP1BC80P3C7D03GBA353524 90-L-075-KP-1-BC-80-P-3-C7-D-03-GBA-38-38-24 90L075KP1BC80P3C7D03GBA383824 90-L-075-KP-1-BC-80-P-3-C7-E-03-GBA-35-35-24 90L075KP1BC80P3C7E03GBA353524 90-L-075-KP-1-BC-80-P-3-S1-D-00-GBA-35-35-24 90L075KP1BC80P3S1D00GBA353524 90-L-075-KP-1-BC-80-P-3-S1-D-00-GBA-38-38-24 90L075KP1BC80P3S1D00GBA383824 90-L-075-KP-1-BC-80-P-3-S1-D-03-EBC-35-35-24 90L075KP1BC80P3S1D03EBC353524 90-L-075-KP-1-BC-80-P-3-S1-D-03-GBA-35-35-24 90L075KP1BC80P3S1D03GBA353524 90-L-075-KP-1-BC-80-P-3-S1-D-03-GBA-38-38-20 90L075KP1BC80P3S1D03GBA383820 90-L-075-KP-1-BC-80-P-3-S1-D-03-GBA-42-42-24 90L075KP1BC80P3S1D03GBA424224 90-L-075-KP-1-BC-80-P-3-S1-E-03-EBC-35-35-24 90L075KP1BC80P3S1E03EBC353524 90-L-075-KP-1-BC-80-P-3-S1-E-03-GBA-38-38-24 90L075KP1BC80P3S1E03GBA383824 90-L-075-KP-1-BC-80-P-3-S1-E-03-GBA-42-42-24 90L075KP1BC80P3S1E03GBA424224 90-L-075-KP-1-BC-80-P-4-C6-D-03-EBC-32-32-24-F022 90L075KP1BC80P4C6D03EBC323224F022 90-L-075-KP-1-BC-80-P-4-C6-D-03-GBA-23-23-28 90L075KP1BC80P4C6D03GBA232328 90-L-075-KP-1-BC-80-P-4-S1-D-03-GBA-35-35-24 90L075KP1BC80P4S1D03GBA353524 90-L-075-KP-1-BC-80-P-4-S1-E-03-GBA-35-35-24 90L075KP1BC80P4S1E03GBA353524 90-L-075-KP-1-BC-80-R-3-C7-D-03-GBA-35-35-24 90L075KP1BC80R3C7D03GBA353524 90-L-075-KP-1-BC-80-R-3-S1-D-03-GBA-32-32-20 90L075KP1BC80R3S1D03GBA323220 90-L-075-KP-1-BC-80-R-3-S1-E-03-GBA-29-29-24 90L075KP1BC80R3S1E03GBA292924 90-L-075-KP-1-BC-80-R-3-S1-E-03-GBA-35-35-24 90L075KP1BC80R3S1E03GBA353524 90-L-075-KP-1-BC-80-R-3-S1-E-03-GBA-38-38-24 90L075KP1BC80R3S1E03GBA383824 90-L-075-KP-1-BC-80-R-4-C7-E-03-GBA-23-23-20 90L075KP1BC80R4C7E03GBA232320 90-L-075-KP-1-BC-80-R-4-S1-D-03-GBA-23-23-24 90L075KP1BC80R4S1D03GBA232324 90-L-075-KP-1-BC-80-R-4-S1-D-03-GBA-38-38-24 90L075KP1BC80R4S1D03GBA383824 90-L-075-KP-1-BC-80-R-4-S1-E-03-GBA-23-23-24 90L075KP1BC80R4S1E03GBA232324 90-L-075-KP-1-BC-80-R-4-S1-E-03-GBA-35-35-24 90L075KP1BC80R4S1E03GBA353524。
