帶順倒車離合器的減速齒輪箱的設計【含8張CAD圖帶開題報告-獨家】.zip
帶順倒車離合器的減速齒輪箱的設計【含8張CAD圖帶開題報告-獨家】.zip,含8張CAD圖帶開題報告-獨家,倒車,離合器,減速,齒輪箱,設計,CAD,開題,報告,獨家
帶順倒車離合器的減速齒輪箱的設計Design of reduction gear box with reverse gear clutch摘 要現(xiàn)在隨著機械技術和自動化技術的發(fā)展和不斷進步,機械化和自動化程度越來越普遍,對我們的社會生活也是產生了方方面面的影響?,F(xiàn)在的社會生活中的各個企業(yè),公司都因為機械化技術和自動化技術的發(fā)展和進步,而產生了無與倫比的變化。目前國內大部分帶離合器的齒輪箱都是在汽車、摩托車、工程車輛、農機以及其他類車輛上均會使用到,還有一些船舶等會使用。帶順倒車離合器的減速齒輪箱的設計可以運用在一些小型機械上。國內大部分的都是齒輪箱與離合器分開的便于需要選用,順倒車離合器的減速齒輪箱作為一體式的設計為人們的選擇提供了更多的方向與便利。關鍵詞:機械化 離合器 齒輪箱 減速器 iiABSTRACTNow, with the development of mechanical technology and automation technology and continuous improvement, mechanization and automation is becoming more common, to all aspects of our social life is also produced Now in the social life of the enterprise, the company for the development of mechanization and automation technology and progress, and produced the incomparable changes At present domestic most clutch gear box are in automobile motorcycle on engineering vehicles such as agricultural machinery, and other vehicles will be used to, and some wait a ship with suitable reverse clutch of reduction gear box design can be applied on some small machinery Domestic most of the gearbox and clutch separate easy to choose, suitable astern clutch reduction gear box as a one-piece design choice for people provide more direction and convenience.KEY WORDS:mechanization clutch gearbox reduction case目 錄摘 要iABSTRACTii目 錄1 引言1.1 齒輪行業(yè)的基本介紹1.2 齒輪行業(yè)的發(fā)展現(xiàn)狀基本介紹2 概述2.1 設計的目的和要求2.1.1 設計目的2.1.2 設計要求2.2 擬定傳動方案3 傳動零件的設計計算3.1 齒輪的計算3.1.1 高速級齒輪傳動齒輪的計算3.1.2 低速級齒輪傳動齒輪的計算3.2 減速器內傳動數(shù)據3.3齒輪的安全保護功能4 軸的設計計算4.1 傳動裝置的動力參數(shù)的計算4.1.1 I,II,III軸的轉速計算4.1.2 I,II,III各軸的輸入轉矩計算4.2 中間軸的設計與計算4.2.1 對中間軸的進行材料選擇4.2.2 對中間軸的最小軸徑進行計算4.2.3 對中間軸的結構進行設計4.2.4 對中間軸的強度進行校核4.3高速軸的設計與計算4.3.1 對高速軸的材料選擇4.3.2 對高速軸的最小軸徑進行計算4.3.3 對高速軸的結構設計4.4 低速軸的設計與計算4.4.1 對低速軸的材料選擇4.4.2 對低速軸的最小軸徑進行計算4.3.3 對低速軸的結構設計4.4 對高速軸的結構設計鑄件減速器機體結構尺寸計算表5 潤滑方式和密封件的選擇5.1 齒輪的潤滑5.2 潤滑油的選擇5.3 密封方法的選取6 正、倒車功能結 論致 謝參考文獻1 引言1.1 齒輪行業(yè)的基本介紹齒輪傳動機構所組成的裝置是由兩個齒輪或多個齒輪組成的一種傳動機構,通過利用齒輪之間的相互嚙合,將電動機、汽油機、柴油機等原動機的轉速通過齒輪的轉換到我們所需要的轉速,并且使之達到我們所要求的扭矩。齒輪傳動所構成各種機械裝置是各機械裝備能夠實現(xiàn)運作的重要基礎件,齒輪傳動與帶傳動、鏈傳動、摩擦傳動、氣壓傳動、液壓傳動等傳動相比,所具備的特點有使用和達到的功率范圍大、齒輪傳動的傳動效率要更高、其運動更加平穩(wěn)、沖擊小、齒輪傳動比很準確而且它的使用壽命比較長、齒輪傳動機構可以設計的緊湊節(jié)約空間等,相較于其它的傳動方式齒輪傳動更加安全、可靠、性價比更高,這些優(yōu)點決定了齒輪傳動在大部分機械裝備領域中的不可替代的地位。 現(xiàn)如今我們可以按照產品的用途,可以把齒輪行業(yè)劃分為三類:工業(yè)用的齒輪、汽車用齒輪以及為專用設備生產的特殊齒輪。工業(yè)用種類的齒輪產品應用的領域范圍包括船舶用齒輪、礦山用齒輪、冶金用齒輪、航空用齒輪等;車輛用齒輪產品應用的領域范圍包括各種汽車和摩托車的齒輪、工程機械車輛、農用拖拉機、收割機以及軍用的車輛等等;為專用設備生產的特殊齒輪主要有生產齒輪的專用刀具車銑床以及特殊的生產裝備。1.2 齒輪行業(yè)的發(fā)展現(xiàn)狀基本介紹今年來我國發(fā)展迅速,但是先進的生產技術一直都在歐美國家的手中,雖然我們的一些產品已經可達到國際齒輪生產的先進水平,但是還是有很多的齒輪產品在噪聲與壽命這些方面達不到國際齒輪生產行業(yè)的先進水平。因此在齒輪傳動和驅動的制造水平以及精度方面歐美國家始終占據著領先的地位,如今的齒輪的市場在國際上競爭激烈,由于市場規(guī)模龐大,因此所擁有的機遇也很大,先進的生產技術能在市場上占有先機。目前的齒輪行業(yè)的市場中其產品的種類多種多樣而且集中度卻比較較低。在這當中我國還沒有擁有進入國際前十的市場份額,在我國的齒輪市場中,僅車輛齒輪和工業(yè)齒輪的市場份額就達到了98%。2 概述2.1 設計的目的和要求2.1.1 設計目的目前國內大部分帶離合器的齒輪箱都是在汽車、摩托車、工程車輛、農機以及其他類車輛上均會使用到,還有一些船舶等會使用。帶順倒車離合器的減速齒輪箱的設計可以運用在一些小型機械上。目前國內大部分的都是齒輪箱與離合器分開的便于需要選用,但對于只需要實用但不了解的人來說不好選購,而對于小型設備的帶順倒車離合器的減速齒輪箱市面上比較少,因此帶順倒車離合器的減速齒輪箱的設計對于不了解的人而言選購就簡單得多。2.1.2 設計要求設計雙級圓柱齒輪減速器帶有離合器,電動機7.5kw,滿載轉速1440r/min,高速級采用斜齒圓柱齒輪傳動,齒數(shù)比u=3,低速級的齒速比u=2,每天工作16h,預計壽命10年(設每年工作300h)。在輕載條件下,有正、倒車功能,操作(離合及正、倒車) 有本地及遙控功能,齒輪箱有一定的安全保護功能。2.2 擬定傳動方案1-電動機 2-三星輪換向機構 3-減速器 4-高速級齒輪傳動 5-低速級齒輪傳動 3 傳動零件的設計計算3.1 齒輪的計算3.1.1 高速級齒輪傳動齒輪的計算(1) 根據實際生產經驗選擇齒輪的材料同時判斷熱處理方式,還需要對齒輪的精度等級進行選擇??紤]到該減速器為一般機械,高速處理小齒輪選用45鋼調質,平均硬度為250HBS,根據傳動關系與受力方式低速大齒輪選用45鋼正火,大齒輪的齒面硬度為200HBS,大小齒輪的精度等級選用8級精度。(2) 按齒面接觸疲勞強度初步計算齒輪參數(shù)。即 式中各參數(shù)為:試選載荷系數(shù)=1.4;計算小齒輪的轉矩=9.55=49740按下表圓柱齒輪的齒寬系數(shù)齒輪相對軸承位置大輪或兩輪齒面硬度兩輪齒面硬度對稱布置0.81.40.40.9不對稱布置0.61.20.30.9懸臂布置0.30.40.20.3取齒寬系數(shù);齒數(shù)比;取,則,初選螺旋角;則由式可得=1.672由,查圖得區(qū)城系數(shù);由表查得彈性影響系數(shù); 彈性影響系數(shù)小輪材料大輪材料鍛鋼鑄鋼球墨鑄鐵灰鑄鐵夾布膠木鍛鋼189.8188.9186.4162.056.4鑄鋼188.0180.5161.4球墨鑄鐵173.9156.6灰鑄鐵143.7許用接觸應力由式計算。由下圖得接觸疲勞極限550MPa,=390MPa。計算得應力循環(huán)次數(shù)=60j=查圖曲線1得得接觸疲勞壽命系數(shù)=1.0,=1.03。取安全系數(shù),則分別計算, 所以取初算小齒輪分度圓直徑,得=mm=52.79mm(3) 確定傳動尺寸。 計算圓周速度m/s=3.99m/s所以選用8級精度合用。計算載荷系數(shù)K。對各系數(shù)進行選擇如下:通過查表的使用系數(shù);由v=3.37m/s,8級精度兩個條件查得到動載系數(shù)=1.18;查表得齒間載荷分配系數(shù)=1.2;查圖得齒向載荷分布系數(shù)=1.15;由式得 K=1=1.63對進行修正 mm確定模數(shù)mm=2.18mm取為標準模數(shù)=2.5mm。)計算中心距mm=127.79mm圓整為a=130mm。精算螺旋角=因為值與初選值相差較大,故與值相關的數(shù)據需修正。修正后的結果是:=1.644,=2.39,=52.39mm,mm,顯然值改變后.的計算值變化很小,(由原來的55.71mm變?yōu)?5.14mm)因此,不再修正和a。精算分度圓直徑mm=65.000mm (合適) mm=195.000mm計算齒寬B=mm=65mm取=65mm,則=b+(510)=70mm(4)校核齒根彎曲強度。由式其中式中參數(shù):K=1.63=49740b=65mm=65mm=2.5mm=1.644由當量齒數(shù)通過查表得齒形系數(shù)=2.53,=2.20,應力校正系數(shù)=1.62,=1.78;斜齒輪的縱向重合度為由圖查得螺旋角影響系數(shù)=0.85;許用彎曲應力由式計算,由下圖得彎曲疲勞限=200MPa,=160MPa;再查圖得彎曲疲勞壽命系數(shù)=1.0;取=2.0,安全系數(shù)=1.25,所以有 MPa=320MPaMPa=256MPa=MPa=32.53MPa=32.53MPa=31.08MPa滿足齒根彎曲疲勞強度。3.1.2 低速級齒輪傳動齒輪的計算(3) 根據實際生產經驗選擇齒輪的材料同時判斷熱處理方式,還需要對齒輪的精度等級進行選擇。經過高速級齒輪進行一級減速之后,速度降低扭矩增大則低速齒輪小齒輪應選用45號調質鋼,齒面的平均硬度為250HBS,根據傳動關系與受力方式低速大齒輪選用45鋼正火,大齒輪的齒面硬度為200HBS,大小齒輪的精度等級選用8級精度。(4) 按齒面接觸疲勞強度初步計算齒輪參數(shù)。即 式中各參數(shù)為:試選載荷系數(shù)=1.4;計算小齒輪的轉矩=9.55=149218.75按表取齒寬系數(shù);齒數(shù)比;取,則,初選螺旋角;則由式可得=1.604由,查圖6-20得區(qū)城系數(shù);由表6-3查得彈性影響系數(shù);許用接觸應力由式計算。由下圖得接觸疲勞極限550MPa,=390MPa。計算得應力循環(huán)次數(shù)=60j=查圖曲線1得得接觸疲勞壽命系數(shù)=1.0,=1.03。取安全系數(shù),則分別計算, 所以取初算小齒輪分度圓直徑,得=mm=90.73mm(4) 確定傳動尺寸。 計算圓周速度m/s=2.28m/s所以選用8級精度合用。計算載荷系數(shù)K。對各系數(shù)進行選擇如下:通過查表的使用系數(shù);由v=3.37m/s,8級精度兩個條件查圖得到動載系數(shù)=1.15;查表得齒間載荷分配系數(shù)=1.2;查圖得齒向載荷分布系數(shù)=1.09有 K=1=1.50對進行修正 mm確定模數(shù)mm=4.50mm取為標準模數(shù)=5mm。)計算中心距mm=153.35mm圓整為a=160mm。精算螺旋角因為值與初選值相差較大,故與值相關的數(shù)據需修正。修正后的結果是:=1.538,=2.39,=89.49mm,mm,顯然值改變后.的計算值變化很小,(由原來的92.09mm變?yōu)?1.57mm)因此,不再修正和a。精算分度圓直徑mm=106.667mm (合適) mm=213.333mm計算齒寬B=mm=74.667mm取=75mm,則=b+(510)=80mm(4)校核齒根彎曲強度。由式其中式中參數(shù):K=1.50=149218.75b=75mm=106.667mm=5mm=1.538由當量齒數(shù)通過查表得齒形系數(shù)=2.69,=2.35,應力校正系數(shù)=1.575,=1.68;斜齒輪的縱向重合度為由圖查得螺旋角影響系數(shù)=0.88;許用彎曲應力由式計算,由下圖得彎曲疲勞限=200MPa,=160MPa;再查圖得彎曲疲勞壽命系數(shù)=1.0;取=2.0,安全系數(shù)=1.25,所以有 MPa=320MPaMPa=256MPa=MPa=27.13MPa=27.13MPa=25.28MPa滿足齒根彎曲疲勞強度。3.2 減速器內傳動數(shù)據齒數(shù)模數(shù)d齒寬中心距材質精度高速級Z1=2536570=13045鋼調質8級Z2=751956545鋼正火低速級Z3=20510780=16045鋼調質Z4=402137545鋼正火3.3齒輪的安全保護功能有足夠的油壓力否則不能啟動,若油壓力過低則自動停車,當油液面過低時自動停車。4 軸的設計計算對軸的設計計算主要包括軸承的選擇與校核、軸上彈性聯(lián)軸器內徑及寬度、鍵的選擇和驗算、與軸相連接的聯(lián)軸器的選擇。因為齒輪減速箱體的內壁寬度基本上是由中間軸的結構尺寸來決定的,因此需要先對中間軸進行設計,然后再對高速軸和低速軸進行設計。4.1 傳動裝置的動力參數(shù)的計算已知電動機的功率P=7.5kw,轉速=1440r/min。4.1.1 I,II,III軸的轉速計算=1440r/min,=r/min=480r/min,=r/min=240r/min 4.1.2 I,II,III各軸的輸入轉矩計算傳動裝置的運動參數(shù)和動力參數(shù)軸號轉速(r/min)輸入轉矩(Nm)I14409.739II480149.218III240298.4374.2 中間軸的設計與計算4.2.1 對中間軸的進行材料選擇因為所需要的傳遞功率并不是特別大,并且對該軸的結構尺寸和它的重量沒有特殊的要求,可以選用45號調質鋼。4.2.2 對中間軸的最小軸徑進行計算先按式初步估算軸的最小直徑;由于所選軸的材料為45號調質鋼,由下表取得C=110,再由上式計算得=1104.2.3 對中間軸的結構進行設計1)中間軸結構假想如圖所示 中間軸結構假想圖2)軸承的選擇與 的設計由于齒輪為斜齒輪所以有軸向力存在,應當選用角接觸球軸承,選擇軸承型號為7206C,軸承的內徑d=30mm,寬度B=16mm。3)對軸得到 進行設計低速齒輪的小齒輪的齒頂圓直徑=117.3mm (117.3mm可以做成實心結構的齒輪)高速齒輪的大齒輪的齒頂圓直徑=200mm ()可以做成腹板式齒輪。在處裝高速齒輪的大齒輪則此處軸直徑為=40mm4) 的設計這個位置為中間軸上兩個齒輪提供定位,則=44mm取齒輪端面到齒輪箱內壁的距離中間軸的長度為212mm齒輪箱內壁之間的距離180mm4.2.4 對中間軸的強度進行校核(1)畫出中間軸所受剪力和彎矩圖(2)高速齒輪的大齒輪和低速齒輪的小齒輪截面處的所受的力和力矩的數(shù)據通過中間軸的結構圖及彎矩和扭矩圖,可以發(fā)現(xiàn)高速齒輪的大齒輪和低速齒輪的小齒輪中心線截面處是軸的危險截面,計算出這兩個截面處的,的值如下表所示 中間軸剪力彎扭圖 中間軸所受力及力矩數(shù)據載荷水平面垂直面支反力 彎矩 總彎矩扭矩(3)按彎扭合成應力校核軸的強度在對軸進行校核時,考慮到軸旋轉方向為雙向旋轉,所以扭轉時所產生的切應力是脈沖循環(huán)變應力,可以取,則中間軸的計算應力為50.5MPa由于軸為45號鋼并調質處理,查表得60MPa。因,故安全。(4)精確校核軸的疲勞強度大小齒輪中心線截面處受力最大。只需校核II左右截面即可此截面II左側則該截面的左側所受的彎矩為 可求出左側截面上的彎曲應力此截面上的扭轉切應力為計算安全系數(shù)值, 故可知其安全。此截面II右側有可求出右側截面上的彎曲應力此右側截面上的扭轉切應力為所以軸在截面右側安全系數(shù)為所以該軸在截面II右側的強度也滿足強度要求。4.3高速軸的設計與計算4.3.1 對高速軸的材料選擇因為所需要的傳遞功率并不是特別大,并且對該軸的結構尺寸和它的重量沒有特殊的要求,可以選用45號調質鋼。4.3.2 對高速軸的最小軸徑進行計算先按式初步估算軸的最小直徑;由于所選軸的材料為45號調質鋼,由下表取得C=110,再由上式計算得=110輸出軸的最小直徑為安裝三星換向機構齒輪1的軸,由于該處軸需要開有鍵槽會對軸的強度削弱,此處的軸徑應該增大5%,即mm取最小軸徑為22mm.4.3.3 對高速軸的結構設計1)高速軸結構構想如圖所示 高速軸結構構想圖2)的設計軸段上安裝三星換向機構齒輪1,此段軸的直徑d=35mm,3)軸承的選擇與的設計由于齒輪為斜齒輪所以有軸向力存在,應當選用角接觸球軸承,選擇軸承型號為7208C,所選軸承的內徑d=40mm,寬度B=18mm。4)的設計考慮角接觸球軸承定位軸肩=47mm,=47mm,=100mm,。5)的設計高速齒輪的小齒輪的齒頂圓直徑=70mm (70mm可以做成實心結構的齒輪)且=80mm。4.4 低速軸的設計與計算4.4.1 對低速軸的材料選擇因為所需要的傳遞功率并不是特別大,并且對該軸的結構尺寸和它的重量沒有特殊的要求,可以選用45號調質鋼。4.4.2 對低速軸的最小軸徑進行計算先按式初步估算軸的最小直徑;由于所選軸的材料為45號調質鋼,由下表取得C=110,再由上式計算得=110輸出軸的最小直徑為安裝彈性聯(lián)軸器處的軸,由于該處軸需要開有鍵槽會對軸的強度削弱,此處的軸徑應該增大5%,即mm。取最小軸徑為38mm.4.3.3 對低速軸的結構設計1)低速軸結構構想如圖所示低速軸結構構想圖2)的設計軸段上安裝連軸器,此段軸的直徑應與連軸器的選擇同時進行選取。選擇連軸器的型號為LX3,軸孔直徑為,L=82mm,3)軸承的選擇與的設計由于齒輪為斜齒輪所以有軸向力存在,應當選用角接觸球軸承,選擇軸承型號為7208C,軸承的內徑d=40mm,寬度B=18mm。4)的設計考慮角接觸球軸承定位軸肩=52mm,=52mm,=100mm,。4.4 對高速軸的結構設計鑄件減速器機體結構尺寸計算表名稱符號減速器及其形式關系機座壁厚8mm機蓋壁厚8mm機座凸緣厚度b1.5=12mm機蓋凸緣厚度1.5=12mm機座底凸緣厚度2.5=20mm地腳螺釘直徑16mm地腳螺釘數(shù)目na350mm,n=4軸承旁連接螺栓直徑8mm機蓋與機座連接螺栓直徑(0.50.6)df=8.7610.52mm取10mm軸承端蓋螺釘直徑(0.40.5)df=7.018.76mm取M8窺視孔蓋螺釘直徑(0.30.4)df=5.267.01mm取M6定位銷直徑d(0.70.8)df=12.2714.02mm取M12軸承旁凸臺半徑R1R1=C2=20外機壁至軸承座端面距離L1c1+c2+(58)=44內機壁至軸承座端面距離L2+c1+c2+(58)=52大齒輪頂圓與內機壁距離11.2=9.6mm取14mm齒輪端面與內機壁距離2=8mm取10mm機蓋、機座肋厚m1,mm1=m0.851=6.8mm,取7mm軸承端蓋凸緣厚度e(11.2)d3=9mm取12mm軸承旁連接螺栓距離ssD25 潤滑方式和密封件的選擇5.1 齒輪的潤滑因為低速級齒輪的轉速低,此時我們應采用浸油潤滑方式,使?jié)櫥驮邶X輪的轉動時進行潤滑,所以所加入的潤滑油的高度應該為大齒輪半徑的六分之一,計算后取得加入潤滑油的高度為20mm。5.2 潤滑油的選擇在使用脂潤滑的時侯,擋油環(huán)或其它內部密封裝置設置在軸承的內側,可以避免減速箱中的油飛入軸承使?jié)櫥幌♂?。在設計滴油潤滑時可以選擇間歇滴油潤滑以及連續(xù)滴油潤滑這兩種滴油潤滑方式。要保證減速箱運動時軸承能被潤滑油所潤滑,可以在軸承的內側設計擋板可以使軸承被擋板檔住的油潤滑。如果減速器軸承的轉速很高時,就需要設計壓力噴油裝置來進行潤滑??紤]到齒輪和軸承使用一樣的潤滑油會節(jié)約成本并提供便利,所以應選用L-CKC68潤滑油。5.3 密封方法的選取經過計算選擇凸緣式軸承端蓋,可以最好的調整軸承間隙并且密封性很好好,同時采用氈圈油封來進行軸的密封。所選用的密封圈型號根據計算出軸的直徑進行選擇,密封圈的型號分別為氈圈35JB/ZQ 4606-1986和氈圈40JB/ZQ4606-1986。軸承蓋的尺寸結構應按照軸承的定位外徑來決定。6 正、倒車功能采用三星輪換向機構1號齒輪的軸為與離合器相連的軸,4號齒輪在2,3號惰輪的切換下獲得不同的轉向。當手柄位于下方時惰輪2與齒輪1相嚙合,此時齒輪4與齒輪1轉向相同;當手柄位于上方時惰輪3與齒輪1相嚙合,此時齒輪4與齒輪1轉向相反,實現(xiàn)倒車功能。結 論畢業(yè)設計是一份重要的工作,需要自己獨立完成的畢業(yè)設計任務,也是我們將來進入工作中的需要經歷的階段,作為一名學習機械設計的學生,我們要對生活中的各方面敢于嘗試新的方式去完成,對舊的設備進行新思路的設計,我們將來可能從事的工作會是實際的操作或是從事各種設計,新的高新技術的應用。所以我們應該培養(yǎng)自己對新的事物的學習能力,対舊事物的改進能力,提高對市場調查和收集資料的能力,通過工作學習中的設計、繪圖等環(huán)節(jié)來鍛煉機會,不斷地提高自己的所掌握的能力。在設計過程中我們要從實際出發(fā),要認真的思考把每一個細節(jié)考慮全面,對方案的不斷篩選,找到最佳方案。在這幾個月的畢業(yè)設計中,不斷地努力學習,終于有了現(xiàn)在的成功?;叵肫饋恚诋厴I(yè)設計過程中真的是讓我認識到了自己學習中的不足,對以后生活工作中的困難有了深刻的認識。有時為了計算一個參數(shù)可能需要對其中每一細節(jié)了解清楚還要查閱好幾本資料書,才能將參數(shù)計算出來。在撰寫論文的過程中,也經常遇到很多的困難,就需要去圖書館或上網搜索查閱資料,在與老師和同學討論、交流的過程中很多問題迎刃而解?,F(xiàn)在隨著機械技術和自動化技術的發(fā)展和不斷進步,機械化和自動化程度越來越普遍,對我們的社會生活也是產生了方方面面的影響?,F(xiàn)在的社會生活中的各個企業(yè),公司都因為機械化技術和自動化技術的發(fā)展和進步,而產生了無與倫比的變化。齒輪減速器常用在原動機和工作機或執(zhí)行機構之間,往往起到了使工作機獲得相應轉速和轉矩的作用,在現(xiàn)代機械中應用極為廣泛。帶順倒車離合器的減速齒輪箱的設計由齒輪、軸、軸承、箱體、換向機構、離合器等組成。通過對不同部分的設計完成對整體的設計,設計過程中需要設計齒輪傳動、校核齒輪強度、軸的尺寸及強度設計、選擇軸承、聯(lián)軸器、平鍵等選用的一系列標準件。然后使用AutoCAD進行二維平面設計,畫出裝配圖,零件圖等,通過本次畢業(yè)設計,幫助我們樹立比較完善的設計思想,將我們大學中學習的零散的知識集中回憶并學習了又一遍,提高了我們對專業(yè)知識的綜合利用能力。掌握了機械設計過程中的一般設計規(guī)律,知道了對設計從何入手,本次設計對我們的計算、繪圖進行了訓練,提高了我查閱資料的能力,對標準和規(guī)范的應用有了更好的認識。 我在本次畢業(yè)設計中通過不斷地的學習,基本掌握了設計的一般步驟和方法,同時對我們大學四年來學習的各種專業(yè)知識更加鞏固,這次畢業(yè)設計讓我們又學到很多新的知識。在我的個人設計中有些地方還不完善有待改進。 致 謝畢業(yè)設計雖然只有短短的幾個月,但效果很好,這是對大學四年所業(yè)學的專知識的最后一次檢測,自己通過努力學習并收集資料完成自己的畢業(yè)設計,這也將我們大學中學習的零散的知識集中回憶并學習了又一遍,提高了我們對專業(yè)知識的綜合利用能力。雖然這一次從構思到設計完成遇到了很多困難,但我從中也學到了很多。這是對大學四年課本知識的綜合運用還要結合實際生產所需要注意的一些生產工藝,對我們理科生來說設計要嚴謹,需要我們認真的對自己設計的數(shù)據進行反復計算和核對,嚴格按照各參考文獻和書籍中的設計步驟和設計過程來進行計算。這些都將是自己在今后工作中設計時所要遵守的規(guī)律。有時候我們在設計計算的過程中會遇到很多在課本并沒有出現(xiàn)的問題,顯然這些需要我們結合實際生產工藝中要求,通過這些實際經驗來解決問題,指導老師通過他豐富的經驗及時發(fā)現(xiàn)并指出我設計中的缺陷和漏洞,指出我們在設計中所必須要考慮的實際問題的細節(jié),這我明白了一名好的設計師一定要有豐富的實踐經驗,理論聯(lián)系實踐很重要。在老師的指導下畢業(yè)設計終于順利的完成。指導老師對我們的幫助很大,當我們遇到困難和自己不能解決的情況下,老師會積極的幫我們分析原因及時的幫我們找出錯誤的地方。從而使我們的設計的進度加快了,也使我們畢業(yè)設計的正確性提高了很多。老師也經常提醒我們的注意每論文的格式要與學校要求的設計格式一樣,讓我們能設計出符合要求的畢業(yè)設計。時間過的很快,不知不覺中就這樣在自己設計的過程中悄悄的過去了,在我看來這幾個月的時間過的既有效又充實。當指導老師告訴我設計的題目完成并且滿足要求時整個人充滿感激與激動。我的勞動成果終于有了收獲。最后要非常感謝老師指導與幫助,同時也要感謝學院的領導老師對我的畢業(yè)設計提出的意見和指導,為我的設計題目提出很多可行的方案。在這里我由衷的表示謝意!參考文獻1 王為,汪建曉.機械設計M.武漢:華中科技大學出版社,2011.2 魏兵,俞全余,孫未.機械原理M.武漢:華中科技大學出版社,2011.3 阮忠堂.聯(lián)軸器、離合器設計與選用指南M.北京:化學工業(yè)出版社,2005.4 陸載涵,劉桂紅,張哲.現(xiàn)代工程制圖M.北京:機械工業(yè)出版社,2013.5 聞邦椿.機械設計手冊.減速器和變速器M.北京:機械工業(yè)出版社,2014.6 唐增寶,常建娥.機械設計課程設計M.武漢:華中科技大學出版社,2012.7 周兆元,李翔英.互換性與測量技術基礎M.北京:機械工業(yè)出版社,2011.8 周金枝,姜久紅.材料力學M.武漢:武漢理工大學出版社,2013.9孫桓,陳作模,葛文杰.機械原理M.北京:高等教育出版社,2006.10李卓球,侯作富.理論力學M.武漢:武理工大學出版社,2011.11 傅祥志.機械原理M.第2版.武漢.華中科技大學出版社,2000.12 王三民、諸俊文.機械原理與設計M.北京.機械工業(yè)出版社,2001.13 孫桓,陳作模.機械原理M.第6版.北京.高等教育出版社,2001.14 李立斌.機械創(chuàng)新設計基礎M.北京.國防科技大學出版社,2002.15 周開勤.機械零件手冊M.第5版.北京.高等教育出版社,2001.16 鄒慧君.機構系統(tǒng)設計M.上海:上??茖W技術出版社,1996.任務書系 部指導教師職 稱學生姓名專業(yè)班級學 號論文題目帶順倒車離合器的減速齒輪箱論文內容目標及進度要求內容1、了解齒輪箱的作用及發(fā)展過程;2、掌握你所設計裝置的結構,控制及工作原理; 3、在輕載條件下,有正、倒車功能,操作(離合及正、倒車) 有本地及遙控功能,齒輪箱有一定的安全保護功能 。 要求:1、 收集資料(相關的書籍5本以上,文獻資料不少于10篇);2、 繪制工作原理圖(機械、電氣圖);3、 撰寫論文要符合論文規(guī)范要求,不少于10000字;4、 翻譯相關英文文獻一篇,不少于3000字(英譯漢)。 進度1、15 周,主要進行畢業(yè)設計準備工作,熟悉題目,收集資料,進行畢業(yè)實習,明確研究目的和任務,構思總體方案,撰寫開題報告;2、611周,設計計算,繪圖;3、1215周,編寫畢業(yè)設計論文,準備畢業(yè)設計答辯。 指導教師簽名: 年 月 日系 部審 核此表由指導教師填寫 由所在系部審核開題報告課題名稱帶順倒車離合器的減速齒輪箱的設計課題類型B指導教師學生姓名學 號專業(yè)班級本課題的研究現(xiàn)狀、研究目的及意義研究現(xiàn)狀:齒輪箱行業(yè)發(fā)展現(xiàn)狀:近些年來,隨著西方發(fā)達國家齒輪箱緊固件生產的轉移產能也相對減少,世界經濟增長對中國齒輪箱緊固件產品的需求量有增無減,依賴性也在逐步增強。因此,盡管今后針對中國齒輪箱緊固件產品的貿易摩擦不會減少,但在一段時間內,中國齒輪箱緊固件產品的出口還將繼續(xù)發(fā)展,畢竟現(xiàn)階段中國向國際市場提供的齒輪箱緊固件產品還難以找到完全的替代來源。由此可見,上海擺線減速機廠成為齒輪箱緊固件產品出口大廠,完全是在全球一體化背景下世界產業(yè)調整和分工的必然結果,是一個難以逆轉的長期趨勢。據中國產業(yè)調研網發(fā)布的2018-2025年中國齒輪箱行業(yè)現(xiàn)狀分析與發(fā)展趨勢研究報告顯示,齒輪箱市場均較為分散,市場領先企業(yè)也只有5-6%的市場份額。眼前海內工業(yè)齒輪行業(yè)中有30%需要依靠入口,并且緊要是高端產物。因此有自主創(chuàng)新本領的企業(yè)將能在入口替代范疇有更好的發(fā)展。隨著中國齒輪箱緊固件的出口量的急劇增多,其出口阻力也在增大。為此,針對中國齒輪箱緊固件產品出口貿易形勢和新變化,需要建立全國齒輪箱緊固件產品進出口監(jiān)測預警系統(tǒng),掌握情況,發(fā)現(xiàn)問題,并提出可操作性建議,為相關部門的科學決策提供依據離合器行業(yè)發(fā)展狀況:傳動系統(tǒng)一般由離合器、變速器、萬向傳動裝置、主減速器、差速器和半軸等組成,其基本功用是將發(fā)動機發(fā)出的動力傳給車輛或機械的驅動輪,產生驅動力,使車輛或機械能在一定速度上運行。離合器是把汽車或其他動力機械的引擎動力以開關的方式傳遞至車軸上的裝置,起到傳遞和分離發(fā)動機動力的作用。此外,離合器還能起到保護作用,當車輛突然遇到較大沖擊時,能在車輛緊急制動起到分離作用,防止變速器等傳動系統(tǒng)過載,從而起到一定的保護作用。離合器應用廣泛,在汽車、摩托車、工程車輛、農機以及其他類車輛上均會使用到離合器。離合器按照摩擦材料可分為紙基離合器、橡膠基離合器、粉末冶金離合器、碳基離合器。在工程車輛領域,主要使用粉末冶金基摩擦材料,適合在低速、大扭矩工況條件下使用。在一級方程式賽車和飛機領域,主要使用碳基摩擦材料,性能優(yōu)異,但制造周期長,成本昂貴。研究目的及意義:目前國內大部分帶離合器的齒輪箱都是在汽車、摩托車、工程車輛、農機以及其他類車輛上均會使用到,還有一些船舶等會使用。帶順倒車離合器的減速齒輪箱的設計可以運用在一些小型機械上。目前國內大部分的都是齒輪箱與離合器分開的便于需要選用,但對于只需要實用但不了解的人來說不好選購,而對于小型設備的帶順倒車離合器的減速齒輪箱市面上比較少,因此帶順倒車離合器的減速齒輪箱的設計對于不了解的人而言選購就簡單得多。課題類型:課題類型: A-理論探究型 B-實踐應用型本課題的研究內容要求:1、了解齒輪箱的作用及發(fā)展過程;2、掌握所設計裝置的結構,控制及工作原理; 3、在輕載條件下,有正、倒車功能,操作(離合及正、倒車) 有本地及遙控功能,齒輪箱有一定的安全保護功能。具體內容:第一章:緒論。簡要介紹了帶順倒車離合器的減速齒輪箱行業(yè)的發(fā)展現(xiàn)狀,國內外目前的該類產品的發(fā)展現(xiàn)狀和優(yōu)缺點,并簡要概述本畢業(yè)設計的研究內容。第二章:帶順倒車離合器的減速齒輪箱的總體方案設計。說明帶順倒車離合器的減速齒輪箱的設計要求、性能指標和總體方案設計。第三章:機械系統(tǒng)詳細設計。概述本畢業(yè)設計中,帶順倒車離合器的減速齒輪箱各部分的機械結構設計。第四章:有正、倒車功能,操作(離合及正、倒車) 有本地及遙控功能的實現(xiàn)。說明各運動的實現(xiàn)方式。第五章:總結和展望??偨Y課題設計,指出設計中的一些問題,提出改善的意見。本課題研究的實施方案、進度安排實施方案:研究主要采用查閱資料、自主設計,搜集帶順倒車離合器的減速齒輪箱的相關資料,并對現(xiàn)有的資料進行整理研究,查找相關視頻進而分析并弄清原理,了解自己完成本次課題存在的困難,學習應具備的知識,使自己能夠順利的完成本課題研究。進度1、15 周,主要進行畢業(yè)設計準備工作,熟悉題目,收集資料,進行畢業(yè)實習,明確研究目的和任務,構思總體方案,撰寫開題報告;2、611周,設計計算,繪圖;3、1215周,編寫畢業(yè)設計論文,準備畢業(yè)設計答辯。已查閱的主要參考文獻1 王望予.汽車設計M.機械工業(yè)出版社,2004年2 魏兵,喻全余,孫未.機械原理M.華中科技大學出版社,2015年3 王為,汪建曉.機械設計M.華中科技大學出版社,2016年4 唐增寶,常建娥.機械設計課程設計M.華中科技大學出版社,2016年5 周金枝,姜久紅.材料力學M.武漢理工大學出版社,2013年指導教師意見指導教師簽名: 年 月 日 目 錄1 英文文獻翻譯11.1Development status of gear industry and decelerator11.2齒輪行業(yè)及減速箱發(fā)展現(xiàn)狀112 專業(yè)閱讀書目172.1 機械設計172.2 機械原理172.3 聯(lián)軸器、離合器設計與選用指南182.4 現(xiàn)代工程制圖182.5 機械設計手冊 減速箱和變速箱192.6 機械設計課程設計202.7 互換性與測量技術基礎202.8 理論力學212.9 材料力學212.10 機械零部件選用與設計221 英文文獻翻譯1.1Development status of gear industry and deceleratorThe gear is the main foundation to restrict the domestic machinery manufacturing industry. There are more than 200 Chinese bone gearing factories (including two major categories of vehicle gear and industrial gear), with an annual output value of about 25 billion yuan. In twenty-first Century, the machinery industry will remain an indispensable pillar of the national economy. Experts predict that by 2020, Chinas machinery and transportation industry will catch up with or surpass some developed countries. Therefore, gear operation is necessary to formulate the strategy for twenty-first Century, so as to adapt to the competition of the global knowledge economy.According to the market research center of Yu Bo think industry, with the rapid development of domestic economy in recent years, the export volume of heavy machinery industry is increasing. As an important basic industry, the development of the reducer industry is very rapid. The reducer company is expanding its production and marketing scale, improving its processing capability and technology level continuously. The future market of reducer industry will be a great prospect. From the beginning of our countrys gear reducer from the beginning of Chinas development to today, in fact, the effect is not very significant, the mode of production and manufacture has not changed. Compared with this model, many foreign gear reducer enterprises rely on the advantages of technology, management, capital and other advantages to obtain unique market share, and step by step. The market for speed reducer in China. Chinas reducer industry is facing a serious market crisis in the face of the strong market crisis of foreign products in Chinas Reducer Market. This crisis is also greatly stimulated by domestic speed reducer enterprises. Foreign products compete to defend the domestic reducer Market.According to the preliminary statistics, the industries with large amount of speed reducer are: power machinery, metallurgical machinery, environmental protection machinery, electronic appliances, road building machinery, chemical machinery, food machinery, light industry machinery, mining machinery, transportation machinery, construction machinery, building materials machinery, cement machinery, rubber machinery, water machinery, and petroleum machines. Machinery and so on, the number of reducer products used in these industries has accounted for 60p. of the total number of reducer in various industries across the country. The status of the reducer at home and abroadAbroad in the design and production of advanced reducer has been very mature, some well-known manufacturers have more than one hundred years of experience in the production of reducer, market share is very considerable. For example, SIEMENSs FLENDER reducer is currently the largest reducer supplier in the industry, and has high attainments in product structure design and manufacture. Foreign reducer is widely used in many industries, such as electric power, food, construction, mining, water conservancy and so on. Its manufacturing standard is higher than that of domestic. The standard of hard tooth reducer in our country also comes from the production standard of SIEMENS company. The development history of domestic reducer also has nearly 40 years, the number of manufacturers and various forms. At present, the standard series of various kinds of universal decelerator in China have reached hundreds, which can basically meet the needs of the general reducer in various industries. However, compared with foreign countries, there is still a big gap in the level of the reducer, and the problem with the foreign and foreign decelerator industry is that the development ability of the new product is weak, the technological innovation and the management level are low.With the rapid development of domestic economy in recent years, the export volume of heavy machinery industry is increasing. As an important basic industry, the development of the reducer industry is very rapid. The reducer company is expanding its production and marketing scale, improving its processing capability and technology level continuously. The future market of reducer industry will be a great prospect.Heavy machinery market demand is large, while the demand of heavy machinery market is increasing, the industry has also carried out fruitful work in the aspects of product upgrading, two integration and energy saving and emission reduction. In terms of product upgrading, the pace of technological updating of old products has been accelerating for many years. In the joint or independent research and development way, the bridge and gantry crane industry has innovated the old products, and formed the upsurge of product upgrading in the industry. Beijing lifting and Transportation Machinery Research Institute jointly carried out lightweight work of bridge cranes in many enterprises, and has made some progress at present. The industry is actively introducing variable frequency drive technology, remote control and information technology to speed up the upgrading of products to high-end technology. The main hoisting device developed by the industry in the gearless box gearbox of the industry began to test the water in the market.Demand for heavy machinery and spare parts will increase in the international market. With the gradual recovery of the European and American countries economy, the reestablishment of the status of the real economy in the national economy and the basic construction demand of the developing countries, the heavy machinery products will have more space for development in the international market.Development trend of gear reducer in heavy machineryWith the attention of the state to the machinery manufacturing industry, the acceleration of the process of the localization of major equipment, the construction of the urban renovation and the construction of the stadiums and other projects, the market prospect of the reducer is promising, and the whole industry will still maintain the rapid development trend, especially the growth of the gear reducer, which is most matched with the imported equipment. Gear reducer is related to gear reducerFrom the status observation and investment prospect analysis of the gear reducer industry in China, it is understood that the reducer is a kind of power transfer mechanism, which is used to reduce the speed and increase the torque. It has a wide variety of models, different types and different uses. The products designed for the heavy machinery decelerator include all kinds of gear reducer, planetary gear reducer, worm gear reducer and cycloid pin reducer, and also include various special transmission devices.Development trend of reducer(1) high level and high performance. The cylindrical gears are generally carburized, Quenched and grind. The bearing capacity is increased by more than 4 times, small volume, light weight, low noise, high efficiency and high reliability.(2) Building block design. The basic parameters are the priority number, the size and the specification are neat, the parts generality and interchangeability are strong, the series is easy to expand and refurbished, which helps to organize mass production and reduce the cost.(3) The type is diversified and the variant design is more. Out of the traditional single base installation method, adding the hollow shaft suspension, floating support base, motor and reducer integral connection, multi azimuth installation surface and other different types, expand the scope of use.At present, more and more driving equipment in engineering has been driven by motor. Because the high torque of the motor is low, the actuator can not be driven directly. This must use the reducer to transmit power. The gear reducer commonly used in engineering is gear reducer. The gear reducer has a long history of application. The rapid development of modern industry also puts forward higher requirements for the reducer, which is mainly manifested in higher power capacity, shorter R & D cycle, large torque range, variety of design forms, high life and reliability. Sex and so on.The gear industry is the foundation of the machinery industry. Compared with the mechanical assembly industry, the gear industry belongs to the industry with the most intensive technology, the most intensive capital and the largest scale. Gear and its gear products are important foundation parts of mechanical equipment. The main transmission parts of most mechanical complete sets of equipment are gear transmission. Therefore, to some extent, the gear industry in China is the basis of Chinas machinery industry, and the development of the gear industry has a vital role in the Chinese machinery industry. Chinas gear industry basically consists of three parts, namely industrial gear, vehicle gear and gear equipment. Industrial gear drive manufacturing includes industrial general, special, heavy load gear drive, special gear box for metallurgy, mine, cement, ship and so on. Vehicle gear transmission includes vehicle gear and vehicle speed change assembly, mainly for automobile, construction machinery, agricultural machinery and motorcycles. Gear manufacturing industry includes gear machine tools, cutting tools, measuring tools, experimental equipment, gear lubrication and sealing fields. In this regard, domestic development is still relatively rapid.During the 12th Five-Year, the gear industry in China faced the opportunity of rejuvenating and intensifying. The market competition at home and abroad was intensifying, and the deep internal contradictions in China inevitably affected the pace of the industry. But the basic force to promote the innovation and development of technological progress of the industry is irreversible. It is expected that the whole industry will achieve stable development with an average annual growth rate of about 30% in the process of transformation and upgrading. Due to the resurgence of trade protectionism, the pressure on the appreciation of RMB and the increasing risk of export exchange rate and the decline in the consumption level of developed countries, the export competition of Chinas gear products will be aggravated. Therefore, while maintaining some cost advantages, the industry must expand exports by new advantages such as technological progress, quality improvement and product cost performance.All walks of life are constantly developing, and the gear industry is the same. The performance of the bevel gear is rapidly improved and the quality of the product has been continuously strengthened. But the change of market quotes is also known to the parachute gear enterprises. It wants to develop well in the future market, the product should be innovating, and the enterprise also needs to develop. In the development of many enterprises, many companies in the market are slowly changing from resource driving to innovation driven development. On the basis of innovation and development, the development of product strategy, the change of management system, and the reshaping of business model test the wisdom of every enterprise in the industry, and it is also the problem that many companies need to solve. For the bevel gear industry, we want to continue to develop in the market, whether it is technology or production mode, we must continue to develop. The development of gear industry is more and more vigorous. It is also a very good trend, and is also an inevitable trend of the development of the industry.From the production of a small product to the production between enterprises, many improvements and setbacks, but still able to survive in modern science and technology machinery, gear reducer also has an extraordinary course. For the former gear reducer, there are more functions in the use of machinery, but only satisfy the mechanical operation needs. And in the domestic market, this product is still very few, and it is necessary to rely on imported gear reducer to meet the demand of consumption. Therefore, the development of gear reducer is more urgent and thirst.With the explosion of knowledge, the development of science and technology and the improvement of the economic level, the small transmission devices such as gear reducers are being improved step by step. From the original simple to meet the mechanical performance, to the present high level performance, it has a large power, can carry heavy machinery. Moreover, the previous sketchy form is also in the development of science and technology, and is constantly designed to make its appearance more novel and unique. In addition, the gear reducer is also improving the quality of the product, increasing the rotational speed and prolonging its service life to meet the needs of the work. In the domestic market, more and more gear reducer enterprises develop, constantly expand their market, and the state is also committed to self manufacturing, improving the quality of raw materials, improving the quality of staff, and can enrich the demand for gear reducer. Many large enterprises are also producing a large number of products, increasing the supply capacity, so that supply and demand can be balanced.For gear reducer, what we see is not only its scientific and technological content, but also the existing technology to automatically meet the needs of self, but also can be extended to the outside. This product needs to set up a diversified, standardized target, and make reasonable design and selection in the matching of other auxiliary parts or components. Gear reducer gear conditions should also be updated to reduce the noise generated by the product, but also to choose high-quality raw materials to reduce costs. Fair competition among enterprises should be done to improve the value of products and make more capital to facilitate turnover and achieve win-win results. Reasonable market gear reducer structural changes, demand analysis, can be synchronized with the trend of the times.In the field of industrial enterprises capacity expansion and technological transformation, it has developed rapidly in recent years. This aspect is benefited from the strong demand in the market in recent years. On the other hand, it is also driven by the subjective desire of enterprises to expand production scale, improve processing and manufacturing level, and then improve the competitiveness of enterprises. The key processing equipment purchased by the manufacturer in the past two years, such as the large gear grinding machine, boring and milling machine, technical center and heat treatment equipment, has accumulated more than 200 sets. It is expected that the production capacity of the industry is more than doubled, and the development of the technical reform has the objective effect of the scale of the industry and the medium and competitiveness of the industry. There are still many practical problems, such as the number of enterprises, small size and uneven level. With the decline of market demand and the large-scale entry of foreign counterparts in the domestic market, the industry competition will be further intensified. This will also promote the merger, integration and even transformation of industry enterprises.In the market competition of the product sales machine, the expansion momentum of foreign manufacturers in China has become stronger in recent years. SEW company continues to deploy production and sales bases throughout the country and expand market share. FLEDER company, bond company, Bray Vinnie company and FORK, Sumitomo and other companies have also increased the pace of establishing production bases and sales centers in China, and actively infiltrate into various industries. The advanced management and management ideas of foreign manufacturers, rich market actual combat and development experience and various product series will be domestic The challenges and impacts that manufacturers have to emphasize will be felt by domestic manufacturers in the increasingly fierce competition between domestic and foreign counterparts.At present, in the aspect of the expansion of domestic transmission products, the main forms of mass export of medium, small power medium and small specifications are still in the main form. The share of the leaders in this aspect is still relatively small, and the quality and extensiability of the products are improved and the international market is actively exploited. It is the domestic enterprises to seek the development of the market machine. An important way out.Looking at the current situation of the domestic decelerator industry, in order to maintain the healthy and sustainable development of the industry, we should see the existing problems while fully affirming the development and progress of the industry, and actively study the countermeasures and take measures to make progress in a short time. At present, there are some prominent problems in the industry of the same outer speed reducer, which are the weak development ability of the new product, the low level of technological innovation and management, the more extensive management mode of the enterprise, the low and middle grade, the lack of international influence products brand, the industry as a whole, the disorderly situation are still relatively strict. Its heavy. On the basis of this, we should promote the merger and integration among the enterprises with the advantages of the industry, and form some brands with certain market influence as soon as possible, with large scale and strength, strong product R & D and technical support, so that it can maintain a certain advantage in the competition with foreign counterparts and continue to gain a certain advantage. In order to develop.Now, China has become a big gear manufacturing country. Chinas gear enterprises have been fully integrated into the worlds supporting system. More importantly, Chinas gear industry has formed the most complete industrial system in the world, which can be said to cover the whole field of gear products. In terms of products, Chinas gear products have historically realized the transition from low end to middle end, and some high-end products have emerged.At present, the precision reducer is mainly used in industrial robots, CNC machine tools and automation equipment. In the next few years, Chinas industrial robot industry will be in a period of rapid development, which provides a broad market prospect for high-precision, high-performance joint reducer. Unfortunately, Chinas robot precision decelerator has long relied on imports. Fortunately, this situation is about to change. After the industrys tracking research and independent innovation and the strong support of the government, the industrialization of the multi class robot RV harmonic reducer is being pushed forward, and 1 million capacity will be formed in the next 3 years, which will support the development of Chinas robot and intelligent equipment industry.The gear industry has entered the fourth pole development, and independent innovation has become the main theme. The author inspected that the first three growth of Chinas gear industry was mainly due to introduction, digestion and innovation. And the fourth pole of the development of the gear industry to reshuffle the opportunity to reshuffle, the new leading enterprises will stand out, some of the old companies will lose the opportunity for development, or even out of the market.1.2齒輪行業(yè)及減速箱發(fā)展現(xiàn)狀齒輪是制約國內機械制作業(yè)展開的主要基礎件,中國現(xiàn)有骨千齒輪廠200多家(包含車輛齒輪與工業(yè)齒輪兩
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