鏈條功率選用

1、SELECTION OF CHAIN DRIVE POWER鏈條功J十選用DONGHUA PRODUCT CATALOGUE 2011滾子鏈傳動選擇指導(dǎo)(GB/T 1 8 1 5 0 2 0 0 6/ ISO 10823:200 4)標(biāo)準(zhǔn)已經(jīng)公布。標(biāo)準(zhǔn)規(guī)定傳遞功率時，應(yīng)對主動鏈輪所傳遞的功率(即輸入功率)進行修正。實際傳遞功率(修正功率)=輸入功率X工況系數(shù)X齒數(shù)系數(shù)工況系數(shù)見下表所列，齒數(shù)系數(shù)=(19/ZTs0)8 (Zs小鏈輪齒數(shù))The standard of "Guidelines for the Selection of Roller Chain Drives"(

2、GB/T 18150-2006 / ISO 10823:2004) hadbee n issued. If you try to calculate the actual tran smissi on power of cha in, you must con sider revis ing the tran smissi on power of drivi ng sprocket (i nput power).Actual power(Corrected power)=in put powerX service factor X teeth factorService factor is l

3、isted in the following table.Teeth factor = (19/Zs) 1.08 (Zs tooth nu mber of the small sprocket)工況系數(shù)表 Service factor table從動機械特性主動機械特性Driving Mechanism CharacteristicDriven MechanCharacteristism一ic 平穩(wěn)運轉(zhuǎn)Smooth Runni-輕微振動 SlightVi中等振動iMedium Vibration平穩(wěn)運轉(zhuǎn)Smooth Running1.01.11.3中等振動 Mediubmr ation1.41

4、.51.7嚴(yán)重振動 Seve b eraVio'n 1.81.92.1世界各國歷史悠久的鏈條工廠都制定有自己的鏈傳動功率曲線和功率圖°GB/T 181502006 / ISO 1 0 8 2 3:標(biāo)準(zhǔn)也建立了特定條件下的功率曲線圖，選擇鏈條傳動功率或由傳動功率選擇鏈條，前提是已知 小鏈輪齒數(shù)和轉(zhuǎn)速，鏈條實際傳遞的功率在功率曲線圖的額定功率范圍內(nèi)，所選擇的鏈條才是合適的?，F(xiàn)以工農(nóng)十二型手扶拖拉機傳動部分和旋耕部分的傳遞功率，驗算鏈條選擇是否合理。The chain factories with long history in the world have their own c

5、hain transmission power rating graph and power diagram. We can refer to the GB/T 18150-2006 / ISO 10823:2004 standard selecting the drive power or selecting chain according to the drive power, the condition is that we should know the tooth number of the small sprocket and its speed. Only if the actu

6、al power is with in the range of rati ng power of the power rat ing graph, the selected cha in is suitable.Now we use the transmission part in walking tractor and the transmission power in rotary tillage to proof whether the cha in selecti on is correct.1. 傳動部分小鏈輪轉(zhuǎn)速ns = 13轉(zhuǎn)小鏈輪齒數(shù)s = 14經(jīng)修正后的實際傳遞功率=1馬力

7、444 1千瓦由B系列滾子鏈功率曲線得知選擇0 8B"滾子鏈?zhǔn)呛线m的。Chain drive partSmall sprocket speed n s=1351 Tooth number of small sprocket Zs=14Actual power (Corrected power)=10.944hp=8.16kWFrom B series horsepower rating graph, you will find selected 08B-2 chain is suitable.2. 旋耕部分小鏈輪轉(zhuǎn)速ns = 199/>小鏈輪齒數(shù)s = 13經(jīng)修正后的實際傳遞功

8、率=9馬力=8. 3千瓦由A系列滾子鏈功率曲線得知選擇12A探子鏈?zhǔn)遣缓线m的 選型偏小 正確選用應(yīng)采用16A輜子鏈或60H蓮載型滾子鏈。Rotary tillage cha in partSmall sprocket speed n s=199 Tooth number of small sprocket Zs=13Actual power (Corrected power)=9.888hp=7.37kWFrom A series horsepower rati ng graph, you will find selected 12A-2 cha in is un suitable. You

9、should choose 16A-1 or 60H-2 heavy duty roller chain in stead of 12A-2.214:華鏈條集團*pGHUA CHA215215功率曲線圖 （A系列滾子鏈）POWER RATING GRAPH(A SERIES ROLLER CHAIN )215215本功率曲線圖的特定條件主要是： 小鏈輪齒數(shù)為19;鏈條長度為12 0個節(jié)距；傳動比從1 : 3到3: 1;鏈傳動的預(yù)期使用壽命為1 5 0 0 0小時。The main characteristics of this power graph are as follows For dr

10、ive Zs=19Cha in len gth: 120 pitchesTransmission ratio: 1: 3 to 3 : 1Service life of chai n: 15000 hours排數(shù) strands21515234050608010。15*201250 30040150060)8001011512012少3014015"WKre wop gnxbaR3 32 51729.52 2 3 59 1526.42068 132 3.11 7 9 5 7 111 9.81 5 26 1 07.37kW 16.512.58.55 03 77.5 1 5 259 97

11、 55 18 2.56 2 5 52 5065 03 43 210 0020 00 0Lu653.21.01 6 12 58 50.0.1 3 20.687 50 9 90.0-6 34 30 8 30.0 6 65 00.340 5 00.263 80.2 50 3 30.170.3 32 9 72 6 42 3 11 9 8區(qū)0 052 521.755 11051p8S313.2109 97.58 2 52 64.2 511.52 2.5 3456 7 8 101520304050£8°432111.5225 3456 7 810WK率功定額76'1. 5 0.

12、0.2dm05P屛zoA05 200 250 300 400 500 60 0 8 00 1 000岸/1215in)小鏈輪轉(zhuǎn)速 (r/:Small Sprocket Speed (r/m in)注：多排鏈的額定功率可由單排鏈的額定功率乘以排數(shù)系數(shù)得到。Note: The rat ing power of multiple stra nd cha in can be obta ined by multipl ying the stra nd factor by the rat ing power of sin gle stra nd cha in.排數(shù)系數(shù)表 Strand factor tab

13、le排數(shù) Number ofstr1and23456系數(shù) Factor1.01.72.53.34.14.9215功率曲線圖 （E系列滾子鏈）POWER RATING GRAPH(B SERIES ROLLER CHAIN )本功率曲線圖的特定條件主要是： 小鏈輪齒數(shù)為19;鏈條長度為12 0個節(jié)距；傳動比從1 :3到：1;鏈傳動的預(yù)期使用壽命為1 5 0 0 0小時。The main characteristics of this power graph are as follows For drive Zs=19Cha in len gth: 120 pitchesTransmission

14、ratio: 1: 3 to 3 : 1Service life of chai n: 15000 hours2 zo刃o卩o8zo2 /LQ_卩8 z.7 /6 5 /4 X00ruoLQ_WK率功定額750510300625425250500340200375255150250225200175170153136119100908070150102601258550WKre wop4075513062 5 42 5 2550342037 5 25 5 1525171022 516kW17 5 11.9 71510 2 612 5 8.5 5106.86.25 4.

15、25 2.57.55.1353.4 23.75 2.55 1.52.5 1.71.02.25 1.53 0.921.36 0.81.75 1.19 0.71.51.02 0.61.25 0.85 0.50.68 0.40.75 0.51 0.30.63 0.43 0.250.50.34 0.20.38 0.26 0.150.25 0.17 0.111 ,、Jf-一45區(qū)j;7J潤z1 n/k-/tP/X/rLa/mmZT7.27m1/上-1/口 P -5m_/6snmm加IT/"7*"40e少A5m/n n vy403；不A"r1mm -/z/p8B廠,3m17z

16、V8Fcmz/5-/1/23m/7/-P4m J產(chǎn)-220T-5.m-/*yr/P eQC5nFrmm 'x1/M/y/Xnep15'Cm7m7/1 y JrZ /丿丿1270BPJy/1/jr10*08Bjf-mJX；n-v上F Jz JD9/T/D '0X Jr-ZJ0JFm/if*/0emn/2Z'zr04L/f-/512 25 345678015213 .8 10015200 25030 0 薩 608°小鏈輪轉(zhuǎn)速(rSmall Sprocket Speed (r/mi n)注：多排鏈的額定功率可由單排鏈的額定功率乘以排數(shù)系數(shù)得到。Note:

17、The rat ing power of multiple stra nd cha in can be obta ined by multipl ying the stra nd factor by the rat ing power of sin gle stra nd cha in.排數(shù) Number ofstr1and23456系數(shù) Factor1.01.72.53.34.14.9排數(shù)系數(shù)表 Strand factor table216DO216216功率曲線圖 （E系列滾子鏈）POWER RATING GRAPH(B SERIES ROLLER CHAIN )216216本功率曲線圖的

18、特定條件主要是： 小鏈輪齒數(shù)為19;鏈條長度為12 0個節(jié)距；傳動比從1 :3到：1;鏈傳動的預(yù)期使用壽命為1 5 0 0 0小時。The main characteristics of this power graph are as follows For drive Zs=19Cha in len gth: 120 pitchesTransmission ratio: 1: 3 to 3 : 1Service life of chai n: 15000 hours216216排數(shù) strands11522.5 3456 7 81°1500護羅°舁汎胖750 510 30

19、01203°4° 5 6° 8° 1。°0 200 250300 護翦唧 8 卩"re wop502552600235oo o o19 8 7WK率功定額150102601258550100684075513062 5425 2550342037 5255 15IP4°22 5 1520138.16kW17 5 11.9 71510 2 612 5 8.5 52517106.25 4.25 2.53.75 2.55 1.51.25 0.85 0.510.68 0.40.75 0.51 0.30.63 0.43 0.250.5

20、0.34 0.20.38 0.26 0.150.25 0.17 0.12.5 1.71.02.25 1.53 0.921.360.81.75 1.19 0.71.5 1.020.67.55.13mP24P39836mm23856 7 81°106.848°；0013553.4 2小鏈輪轉(zhuǎn)速(r/min)Small Sprocket Speed (r/m in)m77m1°BP12尹P6mJ9P Q p-gm-P216注：多排鏈的額定功率可由單排鏈的額定功率乘以排數(shù)系數(shù)得到。Note: The rat ing power of multiple stra nd ch

21、a in can be obta ined by multipl ying the stra nd factor by the rat ing power of sin gle stra nd cha in.排數(shù)系數(shù)表 Strand factor table排數(shù) Number ofstr1and23456系數(shù) Factor1.01.72.53.34.14.92162162161鏈傳動的潤滑Lubrication運行在鏈輪上的鏈條由于銷軸處鉸鏈的相對回轉(zhuǎn)而產(chǎn)生磨損。因此有效的潤滑就顯得至關(guān)重要，其不僅可 以有效降低磨損且能降低功率損耗和噪音。Wear is mainly caused by be

22、aring pressure, angle-sliding movements of the pins and rotation of the rollers etc. Effective lubrication of the chain hinges is utmost important for reducing wear, power loss and noise etc. effectively.曲線1:干摩擦；鏈條由于干摩擦引起嚴(yán)重磨損而致使其短時間內(nèi)迅速磨損失效；曲線2:僅有初始潤滑；鏈條因僅有初始潤滑，故其磨損在潤滑劑用完迅速增加；曲線3:人工潤滑；鏈條因人工潤滑而頻繁產(chǎn)生間歇性

23、干摩擦，特別是在人工潤滑不能符合潤滑周期要求時；曲線4:不恰當(dāng)?shù)臐櫥?；鏈條被使用了不恰當(dāng)?shù)臐櫥?，比如劣等、臟的、不合適 的粘度或不足的潤滑劑，而引起的鏈條不均勻摩擦;曲線5:正確的潤滑；可以看岀其對鏈條使用壽命的至關(guān)重要性。 ng timeCurve 1: Without lubrication. Chain would be worn out and destroyed within a very short time.Curve 2: Optimum initial lubrication only. High wear would occur within a short time af

24、ter the lubricant has been used up.Curve 3: Manual lubrication. Intermittent dry rub frequently occurs, especially when regular periodical relubrication is not well implemented.Curve 4: Incorrect lubrication. Uneven chain wear results from incorrect lubrication.Curve 5: Correct lubrication. The righ

25、t lubrication is the utmost important to obtain a optimum service life.潤滑和有效性216Lubrication andefficiency潤滑有效性左圖顯示了潤滑有效性隨運行時間的變化The left graph shows the efficiency of lubrication decrease with operating time.time216216當(dāng)摩擦副表面變色時表明潤滑已失效，在此之前應(yīng)進行再次潤滑。具體的潤滑失效間隔時間應(yīng)依據(jù)特定的工況和運行條件進行試驗測定。Relubrication shall be

26、 done before discoloration of the rub surface which indicates the lubrication failure of the former lubrication.The specific lubrication intervals shall be determined by tests based on specific conditions and running con diti ons.216:華鏈條集團潤滑選擇0.30.20.10M219GHU4 CHA如右圖所示，低粘度的礦物油特別適合鏈傳動Just as the rig

27、ht diagram shows, low viscosity mineral oils are particularly suitable for chain drives潤滑劑的選擇首先取決于潤滑方式First of all, the select ion of an appropriate lubrica nt depends on the type of lubrication.無論采用何種潤滑劑和潤滑方式，最重要的問題是使?jié)櫥瑒┠芗皶r充分均勻的分布到構(gòu)成摩擦副的鏈節(jié)鉸鏈處的間隙中 （銷軸一套筒之間，套筒一滾子之間）。No matter which kind of lubricants

28、 and lubrication methods choosed, the most important issue is to ensure the lubricant flow into evenly (between pin and bush, between bush and roller).Low-viscosity or the grease products with a drop point of 70° C are also suitable for manual lubrication. Liquidized greasemay be sprayed on the

29、 chains in special conditions and chains can start running immediately after the evaporation of the volatile carrier substance.2, WS2)或SEGhEACTODUCT O取LGUBCatqn低粘度或滴點在70C左右的潤滑脂同樣適用于人工潤滑。在某些特殊的場合使用液化的潤滑脂進行噴潤。不穩(wěn)定的物 質(zhì)揮發(fā)完后即可開始工作。For higher temperatures (e.g. furnace chains) or severe operating condition

30、s, mud spattering open-type etc. or heavy-duty low speed chains, graphite or molybdenum disulfide (MoS2) applied either as additive or spray will improve lubricationperformance.ubricant推薦的不同工作溫度下的潤滑劑應(yīng)具備的粘度Recommended viscositb） 正確的給油方式Correct methoncorrect metho運行時間tOperating timea） 錯誤的給油方式潤滑劑Lubric

31、ant鏈條磨損伸長率Chain elongation)rication油脂潤滑grease lubrication不上油not lubricated礦物油潤滑mineral oi環(huán)境溫度Ambient temperat潤滑劑粘度Viscosity of 5°C+25°C+ 2 5C+45CN10 0 (ISO VG 100)N15 0 (ISO VG 150)+ 4 5C+60CN 2 2 0 (ISO VG 2 2 0 )若使用溫度更高（如爐箱鏈）或使用環(huán)境很惡劣、泥漿四濺等開式或重載低速鏈傳動時，二硫化物（MoS 硒化物（MoS e，ws e）無論是用作添加劑還是直接噴

32、潤都能提高潤滑性能。216216216潤滑選擇SELECTOOCT OTAlLGUB2R1Cation潤滑方式選擇Selection of lubrication method 常見的潤滑方式有以下5種：Normally, there are five lubricati on methods as below:1. 人工潤滑用刷子或油壺定期在鏈條松邊內(nèi)外鏈板間隙處加 油。這種方式可靠性不高，因此僅適用于非經(jīng)常工作的 鏈條或低速二級傳動中。至少應(yīng)每天充分潤滑一次（若 條件允許，應(yīng)每隔 8小時注油一次），應(yīng)盡可能避免產(chǎn) 生潤滑劑的變色現(xiàn)象。.I I t t 浙This type of lubri

33、cation by means of oil can and brush, which adding lubricant into the gap between outer and inner link plate of chain loose side periodically is not very safe and therefore this type lubrication only suitable for those chains with occasional operation or for those secondary drives and low chain spee

34、ds. Sufficient lubrication should take place at least once a day （if possible once every eight running hours）. Lubricant colouration should be avoided as far as possible.2. 滴油潤滑用油芯加油器，針閥式注油杯或滴油油杯加油，這種方式僅適用于低軸 壓比的傳動，應(yīng)盡可能避免產(chǎn)生潤滑劑的變色現(xiàn)象。.I I I t 加Drip lubrication by means of wick oilers, needle oilers or

35、 drip oilers is only suitable for low bearing pressure drives. Lubricant colouration should be avoided as far as possible.3. 油池潤滑T稱油浴潤滑）在一個大小合適的鏈箱中（使用過的已磨損伸長的鏈條不應(yīng)能撞擊到箱邊）擁有足夠 的潤滑油以使鏈板邊至滾子或套筒處能浸入，但浸入不宜過淺或過深。浸入過淺則潤滑不 可靠；浸入過深則油易發(fā)熱氧化變質(zhì)且攪油損失大。3 011 t I I tl（I 丨 tW；There is just enough oil in a proper chai

36、n box for preventing the worn and elongated chain knocking against the casing wall to allow the chain plates to submerge into the bath up to the rollers or the bushings respectively. But immersion should not be too deep or too shallow .Too shallow immersion lubrication is not reliable. Too deep imme

37、rsion may cause the oil to heat up and lead to untimely oxidation of the oil.216SELECTION OF LUBRICATION彳円彳滑選1擇DONGHUA PRODUCT CATALOGUE 20114. 油環(huán)潤滑（亦稱飛濺潤滑）鏈條運行在油面上方。一個能浸入到油中約12.7皿血5.4的甩油盤利用離心力將油飛濺起來并利用箱體上的集油裝置持續(xù)不斷的導(dǎo)流到鏈條上。甩油盤的圓周速度應(yīng)大于般不超過12.5m/s，最大不應(yīng)超過4當(dāng)鏈條寬度超過127mm時, 應(yīng)在鏈輪兩側(cè)都裝甩油盤。4. II- I I 丨 I I III）With this type of lubrication, the chain operates above oil level. A disk submerging into the lower oil level, the depth is about 12.7mm-25.4mm, Peripheral velocity between min. 3m/s and max. 40m/s, normally not bigger than 12.5m/s, centrifuges oil