起重機用單邊支撐硬齒面減速器（征求意見稿）

ICSFORMTEXT53.020.30FORMTEXTJ80FORMTEXTFORMTEXTJBFORMTEXTJB/TFORMTEXTXXXXX—FORMTEXTXXXXFORMTEXTFORMTEXT起重機用單邊支撐硬齒面減速器FORMTEXTSinglesidesupporthardtoothgearboxesforcranesFORMTEXT點擊此處添加與國際標準一致性程度的標識FORMDROPDOWNFORMTEXT（本稿完成日期：2019.7）FORMTEXT-FORMTEXTXX-FORMTEXTXX發(fā)布FORMTEXTXXXX-FORMTEXTXX-FORMTEXTXX實施FORMTEXT中華人民共和國工業(yè)和信息化部發(fā)布JB/TXXXXX—XXXX起重機用單邊支撐硬齒面減速器范圍本標準規(guī)定了起重機用單邊支撐減速器的型式、基本參數、尺寸、技術要求、試驗方法和檢驗規(guī)則等。本標準適用于外嚙合漸開線斜齒圓柱齒輪、單邊支撐的起重機用減速器（以下簡稱減速器），其他支撐形式和安裝方式的減速器也可參照使用。規(guī)范性引用文件下列文件對于本文件的應用是必不可少的。凡是注日期的引用文件，僅所注日期的版本適用于本文件。凡是不注日期的引用文件，其最新版本（包括所有的修改單）適用于本文件。GB/T191包裝儲運圖示標志GB/T700—2006碳素結構鋼GB/T1356通用機械和重型機械用圓柱齒輪標準基本齒條齒廓GB/T1357漸開線圓柱齒輪模數GB/T1591—2018低合金高強度結構鋼GB/T3077-2015合金結構鋼GB/T3323—2005金屬熔化焊焊接接頭射線照相GB/T3478.1圓柱直齒漸開線花鍵模數基本齒廓公差GB/T3811起重機設計規(guī)范GB/T5117—2012碳鋼焊條GB/T5118—2012低合金鋼焊條GB5903—2011工業(yè)閉式齒輪油GB/T6404.1齒輪裝置的驗收規(guī)范第1部分：空氣傳播噪聲試驗規(guī)范GB/T8923.1—2011涂覆涂料前鋼材表面處理表面清潔度的目視評定第1部分：未涂覆過的鋼材表面和全面清除原有涂層后的鋼材表面的銹蝕等級和處理等級GB/T9286—1998色漆和清漆漆膜的劃格試驗GB/T10095.1漸開線圓柱齒輪精度第1部分：輪齒同側齒面偏差的定義和允許值GB/T11345—2013鋼焊縫手工超聲波探傷方法和探傷結果分級GB/T13306標牌GB/T13384機電產品包裝通用技術條件GB/Z18620.2-2008圓柱齒輪檢驗實施規(guī)范第2部分：徑向綜合偏差、徑向跳動、齒厚和側隙的檢驗GB/Z18620.3-2008圓柱齒輪檢驗實施規(guī)范第3部分：齒輪胚、軸中心距和軸線平行度的檢驗GB/Z18620.4-2008表面結構和輪齒接觸斑點的檢驗JB/T5558—2015減（增）速器試驗方法JB/T7929—1999齒輪傳動裝置清潔度術語和定義下列術語和定義適用于本文件。單邊支撐型式Singlesidesupporttype減速器的一種支撐型式，高速軸支點與低速軸支撐座在同一側，即電機和卷筒側，見圖1。單邊支撐型式示意圖型式結構型式減速器按傳動方式分為三級傳動和四級傳動減速器，其結構型式示意見圖2。a）三級傳動b）四級傳動減速器結構形式裝配型式減速器共有九種裝配型式，見圖3。減速器裝配型式安裝型式減速器有臥式（W）和立式（L）兩種安裝型式。在偏轉角±α范圍內為臥式安裝，在L范圍內為立式安裝，見圖4。α角的度數與減速器的傳動比有關，當減速器傾斜α角時，應保證使中間級大齒輪沾油1個～2個齒高。a)臥式安裝（W）b)立式安裝（L）減速器安裝型式單邊支撐型式減速器單邊支撐型式軸端型式高速軸端減速器的高速軸端采用圓柱軸伸，聯結型式為平鍵聯接（P型）或聯接法蘭聯接（T型），尺寸見圖9、圖10和表6、表7。聯接法蘭型式圖減速器的低速軸端型式H型：花鍵軸伸，漸開線花鍵聯接，見圖7；F型：法蘭軸端，見圖8。低速軸端的型式和尺寸應符合圖7、圖8和表1。減速器低速軸端花鍵軸伸減速器低速軸端法蘭軸端減速器低速軸端尺寸名義中心距a1KH型mxzDa(h11)db(k6)d0

(k6)LLaLbd1hA160195/1653×22696070904030M61625180215/1853×27847085954530M102035200230/2055×1895801001255535M122540225255/2255×221151001201356040M122540250270/2505×241151001201356040M122540280310/2655×261351201401557545M122550315335/2905×301551401601658050M122560355375/3255×341751601801809055M163080400415/3655×3819518020019010055M163080名義中心距a1F型mxzKFKMLL1L2L3L4d1d2SD1S1ND2D3d31603×2219537022422353815726030210300300300340M201803×2721538821822453815877035210300300300340M202005×18205390230375025151008040210300300300340M202255×222254052453755501512010040280390380390440M202505×222504282503755301512010040280330360330400M202805×262654852603770351514012050340400400400450M243155×302905203003775402016014060360420450420480M243555×343255673303785452018016080420480500480550M244005×383655823053795452020018080450530530530580M24基本參數和尺寸中心距減速器以低速軸中心距為公稱中心距。三級減速器的中心距應優(yōu)先選用表6中規(guī)定的數值。三級減速器中心距單位為毫米低速級a1160180200225250280315355400中間級a2112125140160180200225250280高速級a38090100112125140160180200總中心距a352395440497555620700785880四級減速器的中心距應優(yōu)先選用表7中規(guī)定的數值。四級減速器中心距單位為毫米低速級a1225250280315355400次低速級a2160180200225250280次高速級a3112125140160180200高速級a48090100112125140總中心距a5776457208129101020傳動比三級減速器的公稱傳動比應優(yōu)先采用表8中給定的數值，實際傳動比與公稱傳動比的極限偏差為±5%。四級減速器的公稱傳動比應優(yōu)先采用表9中給定的數值，實際傳動比與公稱傳動比的極限偏差為±6%。齒輪基本齒廓減速器齒輪的基本齒廓應符合GB/T1356的規(guī)定。齒輪模數和螺旋角減速器齒輪的法向模數mn應符合GB/T1357的規(guī)定，齒輪的螺旋角優(yōu)先選用12°。三級減速器的公稱傳動比傳動比

名義中心距公稱傳動比16182022.4252831.535.54045505663718090實際傳動比16015.9217.9520.6422.1325.2129.0331.8235.9439.4046.0650.4254.2461.5370.2578.0318017.4520.0721.9725.5227.5532.1934.8540.1244.8850.0256.6962.1468.9881.3187.8520020.7222.1025.2928.4532.8035.2240.8343.9651.1456.1564.3671.3278.3090.7322522.9424.6128.5731.3235.5240.6544.4949.0055.9564.3671.4882.8589.0325025.0429.1731.5935.3440.6745.4249.0755.4363.9368.7278.6391.2628028.4532.8035.3140.8344.8349.6854.5463.2571.6478.6692.1931532.3835.4439.0344.5349.4657.3361.7271.4681.5487.3835536.3639.3744.2051.4554.6163.5669.9478.7891.1940040.8344.8350.7755.5861.7772.5179.6191.10四級減速器的公稱傳動比傳動比

名義中心距公稱傳動比100112125140160180200實際傳動比22597.2425098.79115.41129.12280100.12115.43124.64315102.46108.46124.09135.83160.7235596.62113.28128.28138.92159.57400100.12115.43124.64136.84162.83178.77192.50單邊支撐型式減速器的外形尺寸和安裝尺寸三級減速器的外形尺寸和安裝尺寸應符合圖10和表10的規(guī)定。四級減速器的外形尺寸和安裝尺寸應符合圖11和表11的規(guī)定。三級減速器的外形尺寸四級減速器的外形尺寸三級減速器外形及安裝尺寸名義中心距a1a2a3aAA1HSN1輸入軸尺寸i=16-50i=56-90D2L2b2t2D2L2b2t21601128035268319636620135328010352450827180125903957542113972014538801041245082720014010044082223142825160421101245328010352251601124979242584762517542110124532801035250180125555102529052030195481101451.538801041280200140620112030555130210551101659421101245315225160700128335762035230601401864481101451.5355250180785142639671135240651401869601401864400280200880158443778740280701402074.5601401864名義中心距b00-0.5/Bf0+0.1/B1g(h9)KE(js14)N2d4W(kg)高速軸聯接法蘭尺寸i=16-50i=56-90LD3NMPn-D1TLD3NMPn-D1T160250181901854659522161336902302653004-φ156303902302653004-φ1561802702022019552095222053361102302653004-φ1563031102302653004-φ15620028520240215565110262644111102503003504-φ1973811102503003504-φ19722532020260230642110263724321402503003504-φ1974021402503003504-φ19725036025270255705125334584521402503003504-φ1974221402503003504-φ19728038525320270785135336014731653003504004-φ1974731653003504004-φ19731542525340310890150408465251903504004508-φ1974951903504004508-φ197355470303903359851554011505651904505005508-φ1975651904505005508-φ1974005353044037511051954516286122204505005508-φ1976122204505005508-φ197四級減速器外形及安裝尺寸名義中心距a1a2a3a4aAA1HSN1輸入端尺寸i=100-224D2L2b2t22251601128057710042584772517532801035250180125906451115290521301953280103528020014010072012203085803021038801041315225160112812139535765335230421101215355250180125910155139671335240481101451.54002802001401020172443780940280551101659名義中心距a1b00-0.5/Bf0+0.1/B1g(h9)KE(js14)N2d4W(kg)高速軸聯接法蘭尺寸i=100-224LD3NMPn-D1T22532020260230722110263954021402503003504-φ19725036025270255795125334804221402503003504-φ19728038525320270885135336324431653003504004-φ197315425253403101002150408764951903504004508-φ1973554703039033511101554011985351904505005508-φ1974005353044037512451954517285822204505005508-φ197承載能力減速器的公稱輸入功率不應低于表8的規(guī)定。減速器輸出軸端的瞬時允許轉矩為額定輸出轉矩的2.7倍。起重機用硬齒面減速器的選用方法見附錄A。減速器公稱輸入功率表輸入軸轉速名義中心距a1輸出轉矩公稱傳動比16182022.42528323640455056公稱輸入功率r/minmmNmKW3000160370065.3455.8849.548.4241.3238.0434.2229.4828.5823.322.0220.38180560073.968.4464.6260.0657.3649.4245.7640.1436.3633.0629.642007900111.88105.191.1881.568.2264.7256.450.5444.3440.8822511000132.14123.58113.38101.7488.4680.872.6261.8856.0625016000185.38171.78147.78132.92116.24101.5495.0685.3828023000233.96198.06188.16160.66148137.44117.9631532000289.92258.98220.76204.02186169.2635547000348.76309279.12245.06253.0840068000455.36419.88376.38325.42輸入軸轉速名義中心距a1輸出轉矩公稱傳動比63718090100112125140160180200公稱輸入功率r/minmmNmKW3000160370018.3815.6613.66180560027.424.120.8819.6200790036.3231.928.4225.042251100050.7845.8642.2234.0433.482501600075.5662.3861.9850.8847.6242.5238.5228023000104.5893.8280.1869.967.5463.9255.8231532000144.5130.86111.56106.199.3886.4679.1871.1659.5235547000222.34204.34182.54154.7147.24121.58114.16101.2289.9840068000296.3257.72238.06203.84202.74183.46160.88148.34135.4117.94111.2注：減速器在輸入轉速為3000r/min時只適用于輕載工況，功率不得超過表中給定公稱輸入功率的50%。輸入軸轉速名義中心距a1輸出轉矩公稱傳動比16182022.42528323640455056公稱輸入功率r/minmmNmKW1500160370035.9030.7027.2026.6022.7020.918.816.215.712.812.111.2180560040.637.635.53331.527.225.122.120.018.216.3200790061.4757.7550.144.837.535.631.027.824.422.52251100072.667.962.355.948.644.439.934.030.825016000101.8694.481.273.063.955.852.246.928023000128.6108.8103.488.381.375.564.831532000159.3142.3121.3112.1102.293.035547000191.6169.8153.4134.7139.140068000250.2230.7206.8178.8輸入軸轉速名義中心距a1輸出轉矩公稱傳動比63718090100112125140160180200224公稱輸入功率r/minmmNmKW1500160370010.18.67.5180560015.113.211.510.8200790020.017.515.613.82251100027.925.223.218.718.42501600041.534.2834.128.026.223.421.22802300057.551.644.138.437.135.130.73153200079.471.961.358.354.647.543.539.132.735547000122.2112.3100.385.080.966.862.755.649.440068000162.8141.6130.8112.0111.4100.888.481.574.464.861.1輸入軸轉速名義中心距a1輸出轉矩公稱傳動比16182022.42528323640455056公稱輸入功率r/minmmNmKW1000160370025.1321.4919.0418.6215.8914.6313.1611.3410.998.968.477.84180560028.4226.3224.8523.1022.0619.0117.6015.4413.9912.7111.40200790043.0340.4335.0731.3526.2424.8921.6919.4417.0515.722251100050.8247.5343.6139.1334.0231.0827.9323.8021.562501600071.3066.0756.8451.1244.7139.0536.5632.842802300089.9976.1772.3761.7956.9252.8645.3731532000111.5199.6184.9178.4771.5465.1035547000134.14118.85107.3594.2697.3440068000175.14161.49144.76125.16輸入軸轉速名義中心距a1輸出轉矩公稱傳動比63718090100112125140160180200公稱輸入功率r/minmmNmKW100016037007.076.025.25180560010.549.278.037.54200790013.9712.2710.939.632251100019.5317.6416.2413.0912.882501600029.0624.0023.8419.5718.3116.3514.822802300040.2236.0930.8426.8925.9824.5821.473153200055.5850.3342.9140.8138.2233.2530.4527.3722.893554700085.5278.6070.2159.5056.6346.7643.9138.9334.6140068000113.9699.1291.5678.4077.9870.5661.8857.0552.0845.3642.77輸入軸轉速名義中心距a1輸出轉矩公稱傳動比16182022.42528323640455056公稱輸入功率r/minmmNmKW750160370017.9515.3513.613.311.3510.459.48.17.856.46.055.6180560020.318.817.7516.515.7613.57512.5711.0259.999.088.145200790030.73528.87525.0522.3918.7417.7815.49513.88512.1811.232251100036.333.9531.1527.9524.322.219.951715.42501600050.9347.1940.636.51531.93527.89526.11523.4552802300064.27554.4151.6944.13540.6637.7632.4053153200079.6571.1560.6556.0551.146.53554700095.81584.8976.6867.32569.5340068000125.1115.35103.489.4輸入軸轉速名義中心距a1輸出轉矩公稱傳動比63718090100112125140160180200公稱輸入功率r/minmmNmKW75016037005.054.33.7518056007.5256.625.7355.38520079009.988.7657.816.882251100013.9512.611.69.359.22501600020.7617.1417.0313.9813.0811.6810.5852802300028.7325.77522.0319.20518.55517.5615.3353153200039.735.9530.6529.1527.323.7521.7519.5516.353554700061.08556.1450.1542.540.4533.431.36527.80524.724006800081.470.865.45655.750.444.240.7537.232.430.55輸入軸轉速名義中心距a1輸出轉矩公稱傳動比16182022.42528323640455056公稱輸入功率r/minmmNmKW600160370014.3612.2810.8810.649.088.367.526.486.285.124.844.48180560016.2415.0414.2013.2012.6110.8610.068.827.997.266.52200790024.5923.1020.0417.9114.9914.2212.4011.119.748.982251100029.0427.1624.9222.3619.4417.7615.9613.6012.322501600040.7437.7532.4829.2125.5522.3220.8918.762802300051.4243.5341.3535.3132.5330.2125.923153200063.7256.9248.5244.8440.8837.203554700076.6567.9161.3453.8655.6240068000100.0892.2882.7271.52輸入軸轉速名義中心距a1輸出轉矩公稱傳動比63718090100112125140160180200公稱輸入功率r/minmmNmKW60016037004.043.443.0018056006.025.304.594.3120079007.987.016.255.502251100011.1610.089.287.487.362501600016.6113.7113.6211.1810.469.348.472802300022.9820.6217.6215.3614.8414.0512.273153200031.7628.7624.5223.3221.8419.0017.4015.6413.083554700048.8744.9140.1234.0032.3626.7225.0922.2419.784006800065.1256.6452.3244.8044.5640.3235.3632.6029.7625.9224.44技術要求工作條件減速器的工作條件應符合下列要求：a）齒輪圓周速度不大于25m/s；b)高速軸轉速不大于3000r/min；c）工作環(huán)境溫度為-40℃～+45℃；d）可正反兩向運轉。箱體減速器推薦采用焊接箱體，材料采用力學性能不低于GB/T700-2006規(guī)定的Q235B，用符合GB/T5117-2012規(guī)定的E43系列焊條焊接。當減速器使用環(huán)境低于-20℃時，箱體材料應采用力學性能不低于GB/T1591-2018規(guī)定的Q355，用符合GB/T5118-2012規(guī)定的E50系列焊條焊接。在保證強度和剛度的條件下，允許采用鑄焊結合或球墨鑄鐵箱體。焊縫不允許有裂紋、未熔合、未焊透等缺陷，不允許有滲油現象。焊后表面應打光，整體去毛刺。主要焊縫的合格等級應符合GB/T11345-2013中規(guī)定的B級檢驗的Ⅱ級要求，焊縫射線檢測應符合GB/T3323-2005中規(guī)定的Ⅱ級要求。焊后應進行消除內應力的處理，粗加工后應進行二次時效處理。上下箱體合箱后，邊緣應平齊，其每邊的錯位量應符合表9的規(guī)定。單位為毫米箱體總長≤1200＞1200～2000箱體合箱后允許每邊錯位量≤2≤3上下箱體自由結合后的接觸密合性≤0.05≤0.10合面精加工后的表面粗糙度Ra為3.2μm。箱體箱蓋自由結合后，其分合面處的接觸密合性應符合表7的規(guī)定。用相應的塞尺檢查分合面的接觸密合性，塞尺塞入深度不應大于分合面寬度的三分之一。軸承孔中心線應與分合面重合，其偏差不得大于0.3mm。軸承孔中心線平行度公差fΣδ和fΣβ，在軸承跨距上測量，應符合下式規(guī)定。其中QUOTEFβFβ為螺旋線總偏差，QUOTEfΣδfΣδ為軸線平面內的軸線平行度偏差，QUOTEfΣβfΣβ齒輪、齒輪軸和軸齒輪和齒輪軸采用鍛件，材料應采用力學性能不低于GB/T3077-2015中規(guī)定的20CrMnMo。齒面滲碳淬火，齒輪表面硬度58~62HRC，芯部硬度36~40HRC，熱處理等級不低于MQ級。不應采用鑄造齒輪。齒部應進行無損探傷。UT探傷應達到JB/T5000.15規(guī)定的Ⅲ級質量要求。MT和PT檢測的級別由供需雙方商定（原則上不允許有缺陷）。軸采用鍛件，材料為42CrMo，調質處理，硬度為260HB～280HB。允許采用力學性能相當或較高的其他材料，不應采用鑄件。齒輪的精度等級不應低于GB/T10095.1中規(guī)定的6級精度。齒輪工作表面粗糙度Ra為0.8μm。齒輪的檢驗應符合GB/Z18620-2008中的規(guī)定。允許采用等效的其他檢驗項目組合。齒頂應進行修緣，沿齒長方向應進行倒圓，半徑R=0.1mn。大齒輪齒形端面倒角0.25mn。圓柱直齒漸開線花鍵應符合GB/T3478.1的規(guī)定，標準壓力角αD=30°，公差等級為6級，齒側配合類別為H/f。法蘭軸端的法蘭配合精度不應低于F8/h9。裝配軸承內圈應緊貼軸肩或定距環(huán)，用0.05mm塞尺檢查不得通過。圓錐滾子軸承（接觸角β=10°～16°）、調心滾子軸承應留適當的軸向間隙，用手轉動軸時，軸承運轉應輕快靈活。仔細清洗全部零件，箱體及其他零件的未加工表面涂底漆并涂耐油油漆，箱體外表面涂底漆后，再涂顏色美觀易散熱的油漆，軸伸端應涂防銹油。所有靜結合面均應涂以密封膠，裝配好的減速器不應滲油。齒輪副的最小極限側隙jnmin應符合GB/T18620.2中的要求。齒輪副的接觸斑點，沿齒高方向不應小于50％，沿齒長方向不應小于80％，允許在額定載荷下測量。減速器內腔的清潔度不應低于JB/T7929-1999規(guī)定的K級。減速器分合面螺栓的力學性能應不低于8.8級，其擰緊力矩應符合表10的規(guī)定。螺栓直徑mmM10M12M16M20M24M30擰緊力矩N﹒m43741813536181200額定載荷下，三級齒輪傳動效率不應低于94％，四級齒輪傳動效率不應低于92%。在額定載荷下，減速器的噪聲值（A計權聲壓級）應符合表11的規(guī)定。名義中心距a1mm≤280＞280噪聲dB（A）8085減速器的潤滑臥式安裝的減速器采用油池飛濺潤滑，立式安裝的減速器采用循環(huán)油噴油潤滑。潤滑油選用符合GB5903-2011規(guī)定的L-CKC220或L-CKC320。當環(huán)境溫度低于0℃時，應有潤滑油加熱裝置。采用油池飛濺潤滑時，油溫高于0℃時才能啟動減速器；采用噴油潤滑時，油溫高于5℃時才能啟動減速器。軸承采用油池飛濺潤滑，所用潤滑油品應與齒輪潤滑油品相同。不同牌號的潤滑油不允許混合使用。減速器空載試驗的軸承和油溫溫升不應超過25℃。減速器負載試驗的油溫溫升不應超過60℃，油池油溫不應超過80℃。涂裝和外觀焊接箱體的鋼材表面應進行預處理，處理等級應達到GB/T8923.1—2011規(guī)定的Sa2級或St2級。減速器裸露的金屬表面應涂裝防護層。涂層總厚度不應小于100um，至少應涂兩層底漆，一層中間漆和一層面漆。涂層的漆膜附著力不應低于GB/T9286—1998規(guī)定的1級質量要求。面漆應均勻、細致、光亮、完整和色澤一致，不應有粗糙不平、漏漆、錯漆、皺紋、針孔及嚴重流掛等缺陷。試驗方法目測檢查目測檢查應至少包括以下內容：——檢查各聯接件、緊固件是否牢固可靠，位置正確，接觸良好；——檢查減速器的油漆、外觀質量是否滿足要求；——檢查減速器是否存在滲油現象；——檢查減速器的型式、外形尺寸是否滿足要求。減速器的試驗按JB/T5558的規(guī)定進行。減速器的噪聲測量按GB/T6404.1的規(guī)定進行。檢驗規(guī)則出廠檢驗每臺減速器應進行出廠檢驗，檢驗合格后方能出廠，出廠產品應附有產品合格證。每臺減速器應進行空載試驗，在額定轉速下，正反兩向各運轉不少于1h。出廠檢驗項目見表12。序號項目名稱內容檢驗類型檢驗要求檢驗方法出廠檢驗型式檢驗1目測檢查型式、尺寸√√4章和5章相關條款7.1涂裝和外觀√√6.67.12空載試驗各聯接件、緊固件是否松動√√6.4JB/T5558減速器的清潔度和密封性能√√6.4.4、6.4.7JB/T7929軸承端蓋處與油池的溫升√√6.5.5JB/T5558接觸斑點√√6.4.6GB/Z18620.4噪聲√√6.4.107.23負載試驗各聯接件、緊固件是否松動—√6.4JB/T5558減速器的清潔度和密封性能—√6.4.4、6.4.7JB/T7929轉矩（或功率）—√5章相關內容JB/T5558效率—√6.4.9JB/T5558轉速與運轉時間—√JB/T5558JB/T5558軸承端蓋處與油池的溫升—√6.5.6JB/T5558接觸斑點—√6.4.6GB/Z18620.4噪聲—√6.4.107.24超載試驗齒輪及其他機件損壞情況—√JB/T5558JB/T55585漆膜附著力測定漆膜附著力—√6.6.2GB/T9286注：“√”表示需要檢驗的項目，“—”表示可以不檢驗的項目。標志、包裝、運輸和貯存每臺減速器應在明顯位置固定產品標牌，其要求應符合GB/T13306的規(guī)定。標牌的內容至少應包括如下內容：a）產品名稱和型號；b）額定輸出轉矩、傳動比；c）產品質量；d）制造廠名稱；e）制造日期；f）出廠編號。減速器的包裝、運輸