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摘要 液壓機(jī)也稱為油壓機(jī) 它是一種利用液體靜壓力來加工金屬 塑料 橡膠 木材 粉末等制品的機(jī)械 通常情況下主機(jī)為三梁四柱的結(jié)構(gòu) 三梁四柱式這種液壓機(jī)結(jié)構(gòu)經(jīng)濟(jì)實(shí)用 從而廣泛的應(yīng)用在機(jī)械制造中 液壓機(jī)是一種使用液體的壓力用來傳遞機(jī)械能 液壓控制可以適當(dāng)采用 插裝閥集成系統(tǒng) 動(dòng)作穩(wěn)定 工藝流暢 使用重復(fù)次數(shù)較多 液壓的沖 擊慣性較小 縮短了連接管路與泄露點(diǎn)之間的距離 或一般液壓控制兩 種形式 它們可用于各種可塑性材料的壓力加工技術(shù)和成型技術(shù) 如沖 裁技術(shù) 彎曲技術(shù) 翻邊技術(shù) 薄板拉伸技術(shù)等 基本原理是由油泵把 液壓油輸送到集成的插裝閥塊之中 通過各種單向閥和溢流閥把液壓油 分配到油缸的上腔系統(tǒng)或者下腔系統(tǒng)中 在高壓油的強(qiáng)大作用力之下 使油缸進(jìn)行往復(fù)機(jī)械運(yùn)動(dòng) 液壓機(jī)是使用液體來傳遞機(jī)械壓力的機(jī)械設(shè) 備 清洗零件和軸的各連接處并及時(shí)加潤(rùn)滑油 從而實(shí)現(xiàn)液壓程序的操 縱靈動(dòng)性 仔細(xì)看查并且緊住上缸蓋和下缸蓋 電機(jī)座和錘身地腳螺絲 必須保證擰緊堅(jiān)固 單位流量欠缺或沒有流量的原因 液壓缸系統(tǒng)的工 作效率低 出現(xiàn)在設(shè)備剛剛正常啟動(dòng)的時(shí)候 液壓缸工作機(jī)構(gòu)運(yùn)行比較 慢 工作聲音正常 有壓力卻沒有流量 當(dāng)液壓缸發(fā)生這種情況的時(shí)候 就必須檢查機(jī)械系統(tǒng)和換向閥這兩部分 因?yàn)闆]有多余的零件更換 再 次生產(chǎn)零件的時(shí)間不是很清楚 長(zhǎng)時(shí)間的機(jī)器閑置會(huì)給企業(yè)帶來巨大的 經(jīng)濟(jì)損失 并且還要支付很多錢來維修 因?yàn)楫?dāng)今企業(yè)要走機(jī)械化和數(shù) 控化的道路 需要找到方便快捷 行之有效的方法來保養(yǎng)和維修這些機(jī) 械設(shè)備 否則企業(yè)得不償失 從而最大化企業(yè)的經(jīng)濟(jì)效益 企業(yè)可以采 用很多種方法進(jìn)行現(xiàn)場(chǎng)維修 比如找專業(yè)的修理人員進(jìn)行修理 關(guān)鍵詞 液壓機(jī) 機(jī)身結(jié)構(gòu) 工作壓力 滑塊 Abstract Hydraulic machine also known as hydraulic machine it is a by liquid static pressure to the processing of metal plastic rubber wood powder and other products machinery usually host for the structure of the three beams and four columns three four beam of the hydraulic machine structure is economical and practical so it has a wide range of applications in machinery manufacturing Hydraulic machine is a kind of using liquid pressure used for the transmission of mechanical energy hydraulic control can be suitably used cartridge valve integrated system stable operation smooth process using repeated many times the impact of hydraulic inertia is small shortening the connecting pipe and the discharge distance between the dew point or general hydraulic control two kinds of forms they can be used for all kinds of plastic material pressure processing technology and molding technology such as punching blanking bending flanging technology sheet metal drawing technology etc Basic principle is by the oil pump to the hydraulic oil is transported to the integrated cartridge valve blocks among through a variety of one way valve and the overflow valve to hydraulic oil distribution to the cylinder chamber system or inferior system under the strong force of the high pressure oil the oil cylinder for reciprocating mechanical movement Hydraulic machine is the use of liquid to transfer mechanical and mechanical equipment Clean parts and shaft of the connecting department and add the lubricating oil so as to realize the operation of the hydraulic program Carefully check and hold on tight under the cylinder head and cylinder head a motor seat and a hammer body screws tighten the firm must ensure that Reasons for the lack of per unit of flow or no flow hydraulic cylinder system work efficiency low appear in the device just starting when hydraulic cylinder mechanism relatively slow normal voice pressure without traffic When the hydraulic cylinder occurs in this case it is necessary to check the mechanical system and the two parts of the valve Because there is no spare parts replacement and once again producing parts of the time is not very clear the long time idle machines will bring huge economic losses to the enterprise and also pay a lot of money to repair Because today s enterprises to walk the road machinery and CNC the need to find a convenient and effective approach to maintenance and repair of the mechanical equipment otherwise enterprises gain to maximize the enterprise economic benefit Enterprises can use many methods for on site maintenance such as looking for professional repair personnel for repair Key words Hydraulc press Fuselage structure Working pressure Slider 目 錄 第一章 緒論 1 1 1 液壓機(jī)的發(fā)展 1 1 2 液壓機(jī)的工作原理 1 1 3 四柱液壓機(jī)的用途 特點(diǎn)和主要性能 2 第二章 液壓機(jī)的主要技術(shù)參數(shù) 3 2 1 YA32 100T 四柱萬能液壓機(jī)主要參數(shù) 3 2 2 YA32 100T 四柱萬能液壓機(jī)系統(tǒng)工況圖 4 第三章 液壓基本回路以及控制閥 6 3 1 YA32 100T 四柱萬能液壓機(jī)液壓系統(tǒng)圖 6 3 2 YA32 100T 四柱萬能液壓機(jī)工作循環(huán)圖 9 第四章 液壓缸 10 4 1 主缸 10 4 1 1 材料 11 4 1 2 缸筒內(nèi)徑 11 4 1 4 缸筒壁厚 17 4 1 5 缸筒壁厚校核 17 4 1 6 缸筒的暴裂壓力 18 4 1 7 缸筒底部厚度 18 4 1 8 缸筒端部法蘭厚度 h 19 4 1 9 缸筒法蘭連接螺栓 19 4 2 主缸活塞桿 20 4 2 1 材料 20 4 2 2 直徑 20 4 2 3 強(qiáng)度校核 20 4 3 主缸的總效率 21 4 3 1 機(jī)械效率 21 4 3 2 容積效率 21 4 3 3 反作用力效率 21 4 4 各油缸工作流量 22 4 4 1 主缸快速下行 22 4 4 2 主缸工進(jìn) 22 4 4 3 主缸回程 23 4 4 4 液壓缸損壞情況及原因分析 23 第五章 液壓系統(tǒng)的安裝 25 5 1 液壓元件的安裝 25 總 結(jié) 26 參考文獻(xiàn) 27 致 謝 28