[毕业设计精品]单面多轴钻孔组合机床液压系统

学生课程设计（论文）题目：单面多轴钻孔组合机床液压系统学生姓名：学号：所在院(系)：机电工程学院专业：机械设计制造及自动化班级：2007级机械电子1班指导教师：职称：副教授2010年7月3日教务处制课程设计（论文）指导教师成绩评定表a1a0a2a3a0a2题目一：组合机床液压系统设计a5a4a6a0a5a4a4a8a9a4a5a7a10a11a10a11a12a13a14a1520%01a16a17a18a19a20a21a22a23a24a25a26a27a28a29a30a31a32a33a27a34a35a36a37a38a39a40a28a29a41a42a4302a44a16a45a46a47a48a49a50a51a52a53a54a55a56a54a55a57a58a59a60a55a61a62a63a64a53a65a66a67a68a69a70a71a72a73a74a75a35a76a38a77a78a4303a79a80a12a13a81a50a82a83a84a85a86a87a88a89a38a90a91a27a28a29a92a93a85a43a94a95a96a9735%04a98a99a100a101a102a103a104a94a95a105a106a107a108a109a110a40a111a112a113a114a107a115a116a117a71a118a119a53a120a121a122a27a107a123a124a125a126a53a54a127a128a27a107a129a72a122a130a131a126a132a133a134a27a135a136a35a137a138a38a139a132a4305a140a101a141a142a104a94a95a143a107a144a145a57a58a146a76a59a60a113a147a148a149a150a151a152a153a107a154a136a155a156a37a157a132a158a72a122a38a53a159a160a161a153a35a162a163a55a164a28a23a165a166a167a168a69a70a169a111a112a38a107a33a4306a170a171a172a45a173a174a94a95a175a176a177a104a170a171a94a95a143a107a123a124a74a75a53a54a160a161a27a144a145a130a131a178a179a180a178a55a151a56a55a181a29a66a53a54a28a29a27a127a128a123a124a55a182a183a153a152a184a185a186a187a188a55a86a189a4307a171a190a191a171a190a192a140a101a94a95a143a34a35a156a193a38a127a128a108a194a71a125a126a107a33a153a107a108a109a75a194a195a130a131a196a78a197a163a55a164a28a55a125a126a113a198a199a74a75a66a4308a200a171a190a201a45a173a202a203a104a204a205a94a95a172a98a99a204a205a94a95a47a206a207a208a209a204a205a94a95a174a105a106a34a35a156a193a38a127a128a162a163a55a133a134a55a125a126a55a210a211a38a107a33a43a212a203a213a8145%09a214a215a172a201a215a216a174a213a81a47a217a218a47a170a171a172a219a141a174a220a221a222a223a19a143a224a211a225a226a227a146a76a88a228a229a88a89a230a231a153a88a228a232a224a211a225a59a233a234a235a236a230a231a4310a170a171a237a238a239a172a219a141a174a213a81a240a106a210a158a241a242a86a189a27a35a243a118a153a145a132a123a124a27a132a158a244a133a27a139a132a245a246a211a126a153a53a54a123a124a27a133a134a125a126a39a40a4311a247a248a105a106a129a249a250a28a29a35a251a130a229a252a253a27a229a35a144a254a243a118a43a255a20a22a23a24a25a5a26a70a0a1a2a3a4a76a77a79a80本科学生课程设计任务书a6a7D单面多轴钻孔组合机床动力滑台1a27a28a8a9a10a11a7a11a8a9a12a13a14a15a16a84a85a17a18a19a21a29a30a92a31a32a12a33a34a35a36a37a38a39a40a41a12a34a85a17a35a42a43a44a38a98a45a85a17a86a46a47a102a48a85a17a49a50a34a35a42a51a52a38a108a53a15a16a85a17a49a50a54a55a56a57a112a113a58a59a12a13a14a15a16a85a17a49a50a54a55a34a105a32a60a38a118a61a62a85a17a86a63a46a64a65a34a66a67a38a52a107a68a69a49a50a14a71a72a60a34a102a73a74a40a129a65a75a62a12a13a78a81a82a83a85a17a18a19a52a87a34a66a67a88a118a61a89a90a39a40a65a91a34a93a94a1292a27a28a8a9a10a11a95a96a97a99a100a8a9a11a95a99a100a101a103a104a106a109a110a111a106a109a110a111a110a111a27a27a114a115a99a100a100a27a27a116a117a99a100a119a120a139a121a122a123a124a125a126a127a128a130a38a19a91a131a132a34a133a74a134a135a136a137a152a138a140a141a142a143a155a144a145a146a147a148a149a150a151a153a154a156a157a158a153a159a160a161a162a163a164a165a166a167a168Fa=24000Na169a170a171a172a173a174a175a176a177a178a168G=510kga169a179a180a181a182a183a184a1680.2sa169a185a186a187a188a189a162a190a191a192a148a158a1680.2a162a173a191a192a148a158a1680.1a162a169a142a141a193a194a168a195S1=200mma162a140a141a193a194a168s2=100mma162a142a141a196a142a143a182a197a198a199a162a200a1683.5ma201mina162a140a141a182a197a168v=30mma201mina145a140a202a183a153a159a203a173a187a204a162a205a206a207a183a155a144a203a173a145a208a209a210a173a167a170a171a150a146a147a148a149a145a211a212a209a210a210a213a162a214a215a148a149a216a217a218a162a219a215a220a146a147a221a175a150a222a223a224a225a226a162a209a210a146a147a227a1453a228a229a230a231a232a233a234a230a231a233a2341a235a236a237a238a239a240a241a242a243a244a245a243a246a247a248a240a249a250a251a252a253a254a255a253a2542007.1a209a0a1a105a2a3a4a5a214a85a6a7a8a9a10a11a12a214a217a13a214a42a14a15a16a17a18a19a214a20a21a21a20a22a23a24a221a25a26a4a5a214a85a6a15a27a11a12a214a217a13a214a42a14a15a16a17a18a19a214a28a29a29a214a30a31a32a33a34a35a36a37a38a34a39a32a33a35a36a226a40a41a43a66a44a45a46a47a48a49a50a51a52a53a54a55a153a56a57a58a59a60a61a62a228a229a63a44a64a48a49a50a51a52a65a67a55a153a56a57a68a61a62a69a70a71a72a52a73a74a224a228a44a64a48a49a50a51a193a75a55a191a76a48a49a50a51a72a228a44a64a48a49a74a77a78a79a52a80a81a82a83a84a86a87a52a48a49a78a79a55a44a64a88a89a90a91a228a48a49a50a51a52a92a93a94a95a210a48a49a96a97a52a98a99a100a101a55a74a72a102a73a74a103a104a106a79a224a210a107a101a224a247a108a109a110a111a108a109a112a113a114a115a116a117a118a119a120a121a122a123a124a125a121a122a124a125a124a125a126a126a118a119a120a127a128a127a128a129a130a131a132a126a249a133a134a135a136a137a138a118a119a120a139a126a134a135a140a141a142a143a144a145a146a147a1482设计参数设计参数见表2表2设计参数目录摘要.31设计方案拟定.2a149a150a149a151a152a154a155a152a154a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a150a15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动方向的改g2476可以二位二g17902电磁换向g19412g7481、g2345向g19412和调g17907g19412g7481实现。液压泵g17885用g2476量泵，这种方g7708就是在g5567g17839的g7114候油液流经g19412的g17907g5242g5567，流量大，局部损失大，油液发热g20652，使液压液的粘性降低，影响系统的稳定性。1.2方案确定综合比g17751方g7708一、方g7708二和方g7708三，g1186经济g6116g7424、以往同类g6116功机g5214的例子和可操作性考虑g2530，g17885用方g7708二。方g7708二的具体设计g17819程如下。2负载分析计算2.1压系统的要求g11013于设计一g2363式g2345g19766多g17736g19087g4392g13464合机g5214的液压系统，要g8726液压系统g4448g6116的工作g5502环是：g5567g17839g279工g17839g279g5567g17876g279g1584g8502，系统参数如下表，动g2159g9381g2500采用平g19766导轨，g1866静，动摩擦系数g2010别为0.2，0.1往复运动的g2164g1955g17907g7114间要g8726不大于0.2s。2.2分析系统工况，确定主要参数2.2.1确定执行元件g11013于机g5214要g8726液压系统g4448g6116的是直线运动，最大g15904程为：240mm,g1866属于短g15904程，故g17885用执g15904g1815g1226为：液压g13580。(g1866具体的参数在g2530g19766经计g12651g2530再确定)2.2.2g2010g7524系统工况工作负载Fa=22000惯性负载71000583600.2vFmmNt=阻g2159负载静摩擦阻g21590.25009.8980fsFN=a65a66a67a68a69a70a71a72a73a74a70a754动摩擦阻g21590.15009.8490fdFN=g11013此g5483出液压g13580在各工作阶段的负载如下表21g6164示：a76a77a78a79a85a81a82a83a84a86a87a89a90a91a92a93a94a139a95a96a97a98g8892:1液压g13580的机械效率g17902常取0.90.95,此处取0.9。2不考虑动g2159g9381g2500上颠覆g2159矩的作用。参考g17176g702112.2.3负载图和速度图的绘制负载g3282按上g19766表中数值g13484制,如g328211。g17907g5242g3282按g5062g11705数值133.5/minvvm=,1210smm=、2100smm=，g5567g17876g15904程312310sssmm=+=和工g17839g17907g52422vg12573的g13484制，如g328212，V2=0.030m/min工况负载g13464g6116负载值F推g2159/mFF=g17227动fsFF=9801089g2164g17907fdmFFF=+672746g5567g17839fdFF=490544工g17839fdFFFa=+2249024988g5567g17876fdFF=490544a99a100a101a103a104a105a106a107a109a110a105a1115a112a77a113a79a92a93a112a112a77a113a77a172a114a1122.2.4液压缸主要参数的确定ag2033g17885系统工作压g2159g11013g17176g70212中表11g162可g11705，g2363式g2345g19766多g17736g19087g4392g13464合机g5214液压系统的最大负载为25000g49g7114，可以取34g48g51a，参考g17176g70211中表42.45中推g14628液压系统的g1856g12228压g21591P，取1P=3.5g48g51a。g69确定液压g13580g3423式、g16280g7696g2462g4622g4556g11013于工作g17839g13485g17907g5242与g5567g17907运动g17907g5058g17751大，g1000g5567g17839、g5567g17876g17907g5242要g8726g11468g12573，g1186降低g5647流量需g8726考虑，确定采用最g17878的g5058动液压g13580。g2045用这g7114活g3634杆g17751g12907可以g17902油的有g2045g7477g1226，g8851用活g3634杆g3278定，g13580体g19555g9381g2500运动的常用典g3423g4445g16025形式。g11013于g5567g17839、g5567g17876的g17907g5242g11468g12573，故可以g117052Dd=，推出液压g13580g10317g5461：122AA=。g19087g4392g2164工g7114，液压g13580g3250g17347上g5529g20047具有g13984压2P，以g19462g4392g15999g19087g17902g7114tFg12373g9994g9052失g13792g17908g6116g9381g2500g12373g9994g2081g1926g13792设置的g3250油g14120g13984压0.8g48