哈工大_液压传动大作业_组合机床动力滑台液压系统设计
液压传动课程设计组合机床动力滑台液压系统设计

机械设备控制技术课程设计说明书(论文)设计题目:液压传动课程设计所属学院:机械工程学院专业:数控技术姓名:陈延文学号: 5班级:10数控技术起讫时间:指导教师:李闯黑龙江工商职业技术学院目录1.课程设计任务书……………………………………………………第3页2.第一章设计任务书………………………………………………第4页3.第二章液压系统设计计算………………………………………第5页课程设计任务书第一章:设计任务书第一节:设计题目设计一台组合机床动力滑台液压系统。
第二节:设计参数工作台要求完成快进——铣削进给——快退——停止等自动循环,工作台采用平导轨第三节:设计要求1.机床自动化要求:要求系统采用电液结合,实现自动循环,速度换接无冲击,且速度要稳定,能经受必然量的反向负荷。
2.完成如下工作:①按机床要求设计液压系统,绘出液压系统图。
②肯定滑台液压缸的结构参数。
③计算系统各参数,列出电磁铁动作顺序表。
第二章:液压系统设计计算第一节:负载及运动分析1工作负载 负载分析中,暂不考虑回油腔的背压力,液压缸的密封装置产生的摩擦阻力在机械效率中加以考虑。
因工作部件是卧式放置,重力的水平分力为零,这样需要考虑的力有:切削力、导轨的摩擦力和惯性力。
导轨的正压力大小等于动力部件的重力.启动时只受静摩擦力,加速时受动摩擦力和惯性力,快进时只受动摩擦力,工进时受切削力和动摩擦力,其中切削力为F fw =10500N,快退时也只受动摩擦力.2摩擦负载因为卧式放置,所以正压力即为重力.由静止开始运动的时候受静摩擦力,运动的时候受动摩擦力.设导轨的静摩擦力为fs F 、动摩擦力为fd F 则: 摩擦负载即为导轨的摩擦阻力:静摩擦阻力 N F f F N s fs 110055002.0=⨯=⨯= 动摩擦阻力 N F f F N d fd 55055001.0=⨯=⨯= 3惯性负载在系统加速的时候受惯性负载N N t m F m 46.2102.080.9605.45500=⨯⨯=∆∆=υ4各工况负载若是忽略切削力引发的颠覆力矩对导轨摩擦力的影响,而且设液压缸的机械效率η=,则液压缸在各工作阶段的总机械负载可以算出,见表1表1 液压缸各运动阶段负载表5快进、工进和快退时间和速度快进时的行程为l=100mm,整个快进进程可看做速度为v1=4.5m/min的匀速运动,所以快进时间为t=l/v1=100/1000⨯60=1S工进时的行程为l=100mm,此进程的速度为v2=60~1000mm/min,所以此进程的工进时间t=l/ v2=100/(60~1000) ⨯60=(6~100)s快退时的行程为l=200mm, 整个快退进程可看做速度为v3=4.5m/min的匀速运动,所以快退时间为t=l/v3=400/1000⨯60=第二节:肯定液压缸参数1.初选液压缸的工作压力参考同类组合机床见表2,初定液压缸的工作压力表 2 各类机械常常利用的系统工作压力2.肯定液压缸的主要结构尺寸本题要求动力滑台的快进快退速度相等,现采用活塞杆固定的单杆式液压缸。
哈工大液压传动大作业组合机床动力滑台液压系统设计21页word文档

哈尔滨工业大学液压传动大作业设计说明书设计题目卧式组合机床液压动力滑台机电工程学院班设计者2010 年9 月10 日流体控制及自动化系哈尔滨工业大学液压传动大作业任务书学生姓名班号设计题目钻镗两用卧式组合机床液压动力滑台1.液压系统用途(包括工作环境和工作条件)及主要参数:卧式组合机床液压动力滑台。
切削阻力F=15kN,滑台自重G=22kN,平面导轨,静摩擦系数0.2,动摩擦系数0.1,快进/退速度5m/min,工进速度100mm/min,最大行程350mm,其中工进行程200mm,启动换向时间0.1s,液压缸机械效率0.9。
2.执行元件类型:液压油缸3.液压系统名称:钻镗两用卧式组合机床液压动力滑台。
设计内容1. 拟订液压系统原理图;2. 选择系统所选用的液压元件及辅件;3. 验算液压系统性能;4. 编写上述1、2、3的计算说明书。
设计指导教师签字教研室主任签字年月日签发目录1 序言······························································错误!未定义书签。
2 设计的技术要求和设计参数····················································- 1 -3 工况分析····················································································- 2 - 3.1 确定执行元件·········································································- 2 - 3.2 分析系统工况·········································································- 2 - 3.3 负载循环图和速度循环图的绘制·········································- 3 - 3.4 确定系统主要参数·································································- 4 -3.4.1 初选液压缸工作压力················································ - 4 -3.4.2 确定液压缸主要尺寸················································ - 4 -3.4.3 计算最大流量需求······················································ - 5 - 3.5 拟定液压系统原理图·····························································- 7 -3.5.1 速度控制回路的选择·················································· - 7 -3.5.2 换向和速度换接回路的选择······································ - 7 -3.5.3 油源的选择和能耗控制·············································· - 8 -3.5.4 压力控制回路的选择·················································· - 9 - 3.6 液压元件的选择·································································· - 10 -3.6.1 确定液压泵和电机规格············································ - 10 -3.6.2 阀类元件和辅助元件的选择···································· - 12 -3.6.3 油管的选择································································ - 14 -3.6.4 油箱的设计································································ - 15 - 3.7 液压系统性能的验算·························································· - 16 -3.7.1 回路压力损失验算···················································· - 17 -3.7.2 油液温升验算···························································· - 17 -1 序言作为一种高效率的专用机床,组合机床在大批、大量机械加工生产中应用广泛。
组合机床动力滑台液压系统设计

组合机床动力滑台液压系统设计(1) 组合机床动力滑台液压系统设计液压系统是组合机床的重要组成部分,它为机床提供动力和润滑。
本文将介绍一种组合机床动力滑台液压系统的设计。
一、概述液压系统是一种利用液体压力能为主要驱动力的传动方式。
在组合机床中,液压系统主要用于驱动动力滑台,实现工件的加工操作。
本次设计的液压系统主要包括液压泵、油缸、油路和电气控制系统等部分。
二、液压泵液压泵是液压系统的核心部件,它把机械能转化为液压能,为液压系统提供压力油。
本设计选用变量叶片泵作为液压泵,其主要特点包括负载能力强、运行稳定、寿命长、效率高等。
三、油缸油缸是液压系统的执行元件,它将液压能转化为机械能,驱动动力滑台进行运动。
根据本次设计要求,选用双作用活塞式油缸。
这种油缸具有较大的推力和较高的速度,能够满足动力滑台在加工过程中对驱动力和速度的需求。
四、油路油路是液压系统中压力油流动的通道。
本设计采用较为简单的并联油路,即液压泵输出的压力油通过两个分油路分别进入两个油缸,推动活塞运动,实现动力滑台的往复运动。
在油路中设置溢流阀和节流阀,分别用于调节系统的压力和流量。
五、电气控制系统电气控制系统是液压系统的控制中心,它控制液压泵的运行和电磁阀的通断,从而实现液压系统的自动化控制。
本设计选用可编程控制器(PLC)作为控制系统的主要元件,根据加工工艺的要求,PLC控制液压泵和电磁阀的动作,保证动力滑台按要求的程序进行加工操作。
同时,PLC还可以实时检测系统的运行状态,保证系统的稳定性和安全性。
六、系统调试与优化完成液压系统的设计后,需要对系统进行调试和优化,以保证其性能和可靠性。
首先进行空载调试,检查系统是否存在泄漏或异常噪声等问题;然后进行负载调试,在一定的负载条件下测试系统的性能;最后进行加工试验,以检验液压系统在真实加工条件下的性能。
根据试验结果对系统进行优化调整,以使液压系统的性能达到最佳状态。
七、结论本文对组合机床动力滑台液压系统进行了设计。
液压传动液压专用铣床动力滑台液压系统设计

1.液压系统用途(包括工作环境和工作条件)及主要参数:卧式组合机床液压动力滑台。
切削阻力F=15kN,滑台自重G=22kN,平面导轨,静摩擦系数0.2,动摩擦系数0.1,快进/退速度5m/min,工进速度100mm/min,最大行程350mm,其中工进行程200mm,启动换向时间0.1s,液压缸机械效率0.9。
2.执行元件类型:液压油缸3.液压系统名称:钻镗两用卧式组合机床液压动力滑台。
设计容1. 拟订液压系统原理图;2. 选择系统所选用的液压元件及辅件;3. 验算液压系统性能;4. 编写上述1、2、3的计算说明书。
设计指导教师签字教研室主任签字年月日签发目录1 序言- 1 -2 设计的技术要求和设计参数- 2 -3 工况分析- 3 -3.1 确定执行元件- 3 -3.2 分析系统工况- 3 -3.3 负载循环图和速度循环图的绘制- 4 -3.4 确定系统主要参数- 6 -3.4.1 初选液压缸工作压力- 6 -3.4.2 确定液压缸主要尺寸- 6 -3.4.3 计算最大流量需求- 7 -3.5 拟定液压系统原理图- 9 -3.5.1 速度控制回路的选择- 9 -3.5.2 换向和速度换接回路的选择- 10 -3.5.3 油源的选择和能耗控制- 11 -3.5.4 压力控制回路的选择- 12 -3.6 液压元件的选择- 14 -3.6.1 确定液压泵和电机规格- 15 -3.6.2 阀类元件和辅助元件的选择- 16 -3.6.3 油管的选择- 19 -3.6.4 油箱的设计- 20 -3.7 液压系统性能的验算- 22 - 3.7.1 回路压力损失验算- 22 -3.7.2 油液温升验算- 22 -1 序言作为一种高效率的专用铣床,组合机床在大批、大量机械加工生产中应用广泛。
本次课程设计将以组合机床动力滑台液压系统设计为例,介绍该组合机床液压系统的设计方法和设计步骤,其中包括组合机床动力滑台液压系统的工况分析、主要参数确定、液压系统原理图的拟定、液压元件的选择以及系统性能验算等。
组合机床动力滑台液压系统设计设计任务书

任务书
设计(论文)
组合机床动力滑台液压系统设计
课题名称
学生姓名院(系)专业
指导教师职称学历
毕业设计(论文)要求:
1.要求在完成论文期间,态度端正,积极主动,大量查阅文献资料。
2.按时完成毕业设计内容,技术路线准确,可行。
3.绘制零件图和装配图,图纸量不少于1.5张A0图纸。
4.完成毕业设计说明书,格式正确,要求字数不少于6000字。
5.完成电子文档及PPT文档。
毕业设计(论文)内容与技术参数:
1.动力滑台工作台循环为:快进→工进→二工进→快退→停止。
2.轴向切削力为30468N,移动部件总重力为9800N。
3.快进行程为100mm,快进速度为0.1m/s。
4.工进行程为50mm,工进速度为0.88×10-3m/s,加减速时间为0.2s。
5.平导轨静摩擦系数为0.2,动摩擦系数为0.1。
毕业设计(论文)工作计划:
1.2012年11月~12月:接受毕业设计任务,查阅整理文献资料。
2.2013年1月:确定课题设计方案。
3.2013年2月~4月:绘制设计图纸及编写设计说明书。
4.2013年5月10日之前:定稿打印,准备毕业设计答辩。
接受任务日期年月日要求完成日期年月日学生签名年月日指导教师签名年月日院长(主任)签名年月日。
哈工大-液压大作业-压力机液压系统设计

哈尔滨工业大学液压传动大作业设计说明书设计题目压力机液压系统设计机电工程学院1308XXX 班设计者XXX201X 年XX 月XX 日流体控制及自动化系哈尔滨工业大学液压传动大作业任务书学生姓名XXXX 班号1308XXX 学号11308XXXXX设计题目压力机液压系统1、液压系统用途(包括工作环境与工作条件)及主要参数:单缸压力机液压系统,工作循环:低压下行→高压下行→保压→低压回程→上限停止。
自动化程度为半自动,液压缸垂直安装。
最大压制力:380×104N;最大回程力:76×104N;低压下行速度:40mm/s;高压下行速度:3mm/s;低压回程速度:40mm/s;工作行程:600mm。
2、执行元件类型:液压缸3、液压系统名称:压力机液压系统。
设计内容1、拟订液压系统原理图;2、选择系统所选用得液压元件及辅件;3、设计液压缸;4、验算液压系统性能;5、编写上述1、2、3与4得计算说明书。
指导教师签字教研室主任签字年月日签发一、工况分析1、主液压缸(1)负载压制力:压制时工作负载可区分为两个阶段。
第一阶段负载力缓慢地线性增加,达到最大压制力得10%左右,其上升规律也近似于线性,其行程为90 mm(压制总行程为110 mm)第二阶段负载力迅速线性增加到最大压制力3、8×106 N,其行程为20 mm。
回程力(压头离开工件时得力):一般冲压液压机得压制力与回程力之比为5~10,本压力机取为5,故回程力为F h = 7、6×105 N。
因移动件质量未知,参考其她液压机取移动件(包括活塞、活动横梁及上模)质量=3000 kg。
(2)行程及速度快速空程下行:行程S l = 490 mm,速度v1=40 mm/s;工作下压:行程S2 = 110 mm,速度v2=3 mm/s。
快速回程:行程S3 = 600 mm,速度v3=40 mm/s。
2、顶出液压缸(1)负载:顶出力(顶出开始阶段)F d=3、6×105 N,回程力F dh = 2×105 N。
哈工大_液压传动大作业_组合机床动力滑台液压系统设计

哈尔滨工业大学液压传动大作业设计说明书设计题目卧式组合机床液压动力滑台机电工程学院班设计者2010 年9 月10 日流体控制及自动化系哈尔滨工业大学液压传动大作业任务书学生姓名班号设计题目钻镗两用卧式组合机床液压动力滑台1.液压系统用途(包括工作环境和工作条件)及主要参数:卧式组合机床液压动力滑台。
切削阻力F=15kN,滑台自重G=22kN,平面导轨,静摩擦系数0.2,动摩擦系数0.1,快进/退速度5m/min,工进速度100mm/min,最大行程350mm,其中工进行程200mm,启动换向时间0.1s,液压缸机械效率0.9。
2.执行元件类型:液压油缸3.液压系统名称:钻镗两用卧式组合机床液压动力滑台。
设计内容1. 拟订液压系统原理图;2. 选择系统所选用的液压元件及辅件;3. 验算液压系统性能;4. 编写上述1、2、3的计算说明书。
设计指导教师签字教研室主任签字年月日签发目录1 序言····························································································- 1 -2 设计的技术要求和设计参数····················································- 2 -3 工况分析····················································································- 2 - 3.1 确定执行元件·········································································- 2 - 3.2 分析系统工况·········································································- 2 - 3.3 负载循环图和速度循环图的绘制·········································-4 - 3.4 确定系统主要参数·································································-5 -3.4.1 初选液压缸工作压力·················································- 5 -3.4.2 确定液压缸主要尺寸·················································- 5 -3.4.3 计算最大流量需求·······················································- 7 - 3.5 拟定液压系统原理图·····························································- 8 -3.5.1 速度控制回路的选择···················································- 8 -3.5.2 换向和速度换接回路的选择·······································- 9 -3.5.3 油源的选择和能耗控制·············································- 10 -3.5.4 压力控制回路的选择·················································- 11 - 3.6 液压元件的选择···································································- 12 -3.6.1 确定液压泵和电机规格·············································- 13 -3.6.2 阀类元件和辅助元件的选择·····································- 14 -3.6.3 油管的选择·································································- 16 -3.6.4 油箱的设计·································································- 18 - 3.7 液压系统性能的验算···························································- 19 -3.7.1 回路压力损失验算·····················································- 19 -3.7.2 油液温升验算·····························································- 20 -1 序言作为一种高效率的专用机床,组合机床在大批、大量机械加工生产中应用广泛。
组合机床滑台液压系统设计

组合机床滑台液压系统设计The design of hydraulic system of modular machine tool slide组合机床滑台液压系统设计摘要作为一种高效率的专用机床,组合机床在大批量机械加工生产中应用广泛。
本次课程设计将以组合机床动力滑台液压系统设计为例,介绍该组合机床液压系统的设计方法和设计步骤,其中包括组合机床动力滑台液压系统的工况分析、主要参数确定、液压系统原理图的拟定、液压元件的选择以及系统性能验算等。
组合机床是以通用部件为基础,配以按工件特定外形和加工工艺设计的专用部件和夹具而组成的半自动或自动专用机床。
组合机床一般采用多轴、多刀、多工序、多面或多工位同时加工的方式,生产效率比通用机床高几倍至几十倍。
组合机床兼有低成本和高效率的优点,在大批量生产中得到广泛应用,并可用以组成自动生产线。
组合机床通常采用多轴、多刀、多面、多工位同时加工的方式,能完成钻、扩、铰、镗孔、攻丝、车、铣、磨削及其他精加工工序。
液压系统由于具有结构简单、动作灵活、操作方便、调速范围大、可无级连续调节等优点,在组合机床中得到了广泛应用。
液压系统在组合机床上主要是用于实现工作台的直线运动和回转运动,本次设计组合机床动力滑台为一台卧式钻、镗组合机床上的动力滑台液压系统要求完成动作为“快进—工进—快退—原位停止”的工作循环:最大切削力为FL=12KN,动力头自重FG=20KN,工作进给要求能在0.02—1.2m/min的范围内无级调速,快进、快退速度为6m/min;工进行程为100mm,快进行程为300mm;采用平导轨,其静、动摩擦系数取fs=0.2、fd=0.1;往复运动的加速、减速时间要求不大于0.5S。
关键词:液压系统修正节流阀分流集流阀液压锁The design of hydraulic system of modular machine tool slideAbstract as a special machine for high efficiency, the combination of machine tools are widely used in large batch machining production. The curriculum designto combination machine tool hydraulic pressure system design as an example,introduces the design method of the hydraulic system of modular machine tooland the design procedure, including combination machinetool hydraulic system of power slipway condition analysis, the main parameters, hydraulic system principle diagram of the quasi fixed, the choice of hydraulic components and systemperformance checking.Combination machine is based on common components, with special componentsdesigned according to workpiece specific shape and process and fixture andconsisting of semi-automaticor automatic machine tool. Combination machinegenerally adopts the multi axis, multi knife, multi process, multi or multistage and processing, production efficiency several times to several times higher than the general machine tool. The combination machine has the advantages of high efficiency and low cost, widely used in mass production, and can be used tocompose the automatic production line. Combination machine tools usually adopts the multi axis, multiknife, multi-faceted, multi station and processing, can complete thedrilling, boring, tapping, reaming, expansion, cars, milling, grindingand other finishing processes.The hydraulic system has the advantages of simple structure, flexible action,convenient operation, wide speed range, the advantages of continuous stepless regulation, has been widely applied in the modular machine tool. Hydraulicsystem in modular machine is mainly used to achieve the worktable linearmovement and rotary movement, the design of combined machine tool power sliding table is a horizontal drilling, hydraulic system of power slipway boring modular machine to complete the requirements of action as "fast forward -feeding - rewind in-situ stop" work cycle: the maximum cutting force for FL=12KN,a power head weight FG=20KN, feed requirements canbe stepless in the range of 0.02 - 1.2m/min in speed, fast forward, rewind speed is6m/min; feedingschedule for 100mm, fast forward stroke is 300mm; using flat guide rail, thestatic,dynamic friction coefficient fs=0.2, fd=0.1; acceleration, the reciprocating motion of the time requirements not more than 0.5S.Key words: Hydraulic system Amendment throttle valve Flow distributing and collecting valve Hydraulic lock目录第一章绪论 (1)1.1 液压传动的发展状况 (1)1.2 液压技术的应用 (2)第二章组合机床滑台设计依据 (2)第三章工况分析 (2)3.1 负载分析 (2)3.2 负载图和速度图 (3)第四章初步拟定液压系统原理图 (4)4.1 选择液压基本回路 (4)4.2 组成液压系统原理图 (5)第五章确定液压系统参数 (6)5.1 初选液压缸工作压力 (6)5.2 计算液压缸的结构尺寸 (7)5.3 绘制工况图 (8)第六章液压元件的计算和选择 (8)6.1 确定液压泵的规格和电机功率 (8)6.2 选择液压阀 (9)6.3 确定管道尺寸 (10)6.4 确定油箱容量 (11)第七章液压系统的性能验算 (11)7.1 液压缸的速度验算 (11)7.2 回路压力损失验算 (11)7.3 液压系统发热与温升验算 (12)第八章液压技术未来的发展 (13)总结 (14)致谢 (14)参考文献 ....................................................................................................错误!未定义书签。
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哈尔滨工业大学液压传动大作业设计说明书设计题目卧式组合机床液压动力滑台机电工程学院班设计者2010 年 9 月 10 日流体控制及自动化系哈尔滨工业大学液压传动大作业任务书学生姓名班号设计题目钻镗两用卧式组合机床液压动力滑台1.液压系统用途(包括工作环境和工作条件)及主要参数:卧式组合机床液压动力滑台。
切削阻力F=15kN,滑台自重G=22kN,平面导轨,静摩擦系数0.2,动摩擦系数0.1,快进/退速度5m/min,工进速度100mm/min,最大行程350mm,其中工进行程200mm,启动换向时间0.1s,液压缸机械效率0.9。
2.执行元件类型:液压油缸3.液压系统名称:钻镗两用卧式组合机床液压动力滑台。
设计内容1. 拟订液压系统原理图;2. 选择系统所选用的液压元件及辅件;3. 验算液压系统性能;4. 编写上述1、2、3的计算说明书。
设计指导教师签字教研室主任签字年月日签发目录1 序言······················································- 1 -2 设计的技术要求和设计参数 ··············- 2 -3 工况分析 ··············································- 2 -3.1 确定执行元件 ···································- 2 -3.2 分析系统工况 ···································- 2 -3.3 负载循环图和速度循环图的绘制 ···-4 -3.4 确定系统主要参数 ···························-5 -3.4.1 初选液压缸工作压力·································································- 5 -3.4.2 确定液压缸主要尺寸·································································- 5 -3.4.3 计算最大流量需求·····································································- 7 -3.5 拟定液压系统原理图 ·······················- 8 -3.5.1 速度控制回路的选择·································································- 8 -3.5.2 换向和速度换接回路的选择 ·····················································- 9 -3.5.3 油源的选择和能耗控制···························································- 10 -3.5.4 压力控制回路的选择·······························································- 11 -3.6 液压元件的选择 ·····························- 12 -3.6.1 确定液压泵和电机规格···························································- 13 -3.6.2 阀类元件和辅助元件的选择 ···················································- 14 -3.6.3 油管的选择···············································································- 16 -3.6.4 油箱的设计···············································································- 18 -3.7 液压系统性能的验算 ·····················- 19 -3.7.1 回路压力损失验算···································································- 19 -3.7.2 油液温升验算···········································································- 20 -1 序言作为一种高效率的专用机床,组合机床在大批、大量机械加工生产中应用广泛。