res
混蛋的英文
■ 工况系数表 Ｓｅｒｖｉｃｅ ｆａｃｔｏｒ ｔａｂｌｅ
《滚子链传动选择指导》（ＧＢ／Ｔ １８１５０—２００６ ／ ＩＳＯ １０８２３：２００４）标准已经公布。标准规定考虑链条实际传递功率时，应对主动链轮所传递的功率（即输入功率）进行修正。
实际传递功率（修正功率）＝输入功率×工况系数×齿数系数
工况系数见下表所列， 齿数系数＝（１９／Ｚｓ）１．０８ （Ｚｓ—小链轮齿数）
The standard of "Guidelines for the Selection of Roller Chain Drives"(GB/T 18150-2006 / ISO 10823:2004) had been issued. If you try to calculate the actual transmission power of chain, you must consider revising the transmission power of driving sprocket (input power).什么叫人际关系
Actual power(Corrected power)=input power×rvice factor× teeth factor
Service factor is listed in the following table.
Teeth factor = (19/Zs)1.08 (Zs—tooth number of the small sprocket)
世界各国历史悠久的链条工厂都制定有自己的链传动功率曲线和功率图。ＧＢ／Ｔ １８１５０—２００６ ／ ＩＳＯ １０８２３：２００４标准也建立了特定条件下的功率曲线图，选择链条传动功率或由传动功率选择链条，前提是已知小链轮齿数和转速，链条实际传递的功率在功率曲线图的额定功率范围内，所选择的链条才是合适的。
现以工农十二型手扶拖拉机传动部分和旋耕部分的传递功率，验算链条选择是否合理。
The chain factories with long history in the world have their own chain transmission power rating graph and power diagram. We can refer to the GB/T 18150-2006 / ISO 10823:2004 standard lecting the drive power or lecting 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 actual power is within the range of rating power of the power rating graph, the lected chain is suitable.
Now we u the transmission part in walking tractor and the transmission power in rotary tillage to proof whether the chain lection is correct.
１． 传动部分
小链轮转速ｎｓ＝１３５１转／分 小链轮齿数Ｚｓ＝１４ 经修正后的实际传递功率＝１０．９４４马力＝８．１６千瓦
由Ｂ系列滚子链功率曲线得知选择０８Ｂ－２滚子链是合适的。
Chain drive part
Small sprocket speed n s=1351 Tooth number of small sprocket Zs=14
Actual power (Corrected power)=10.944hp=8.16kW
匈牙利语From B ries horpower rating graph, you will find lected 08B-2 chain is suitable.
２． 旋耕部分
小链轮转速ｎｓ＝１９９转／分 小链轮齿数Ｚｓ＝１３ 经修正后的实际传递功率＝９．８８８马力＝７．３７千瓦
由Ａ系列滚子链功率曲线得知选择１２Ａ－２滚子链是不合适的选型偏小正确选用应采用１６Ａ－１滚子链或６０Ｈ－２重载型滚子链。Rotary tillage chain part
Small sprocket speed n s=199 Tooth number of small sprocket Zs=13
Actual power (Corrected power)=9.888hp=7.37kW
From A ries horpower rating graph, you will find lected 12A-2 chain is unsuitable. You should choo 链条功率选用SELECTION OF CHAIN DRIVE POWER
DONGHUA PRODUCT CATALOGUE 2011
■ 排数系数表 Ｓｔｒａｎｄ ｆａｃｔｏｒ ｔａｂｌｅ
排数ｓｔｒａｎｄｓ
本功率曲线图的特定条件主要是：△小链轮齿数为１９；
△链条长度为１２０个节距；△传动比从１ : ３到３ : １；
△链传动的预期使用寿命为１５０００小时。
注：多排链的额定功率可由单排链的额定功率乘以排数系数得到。
Note: The rating power of multiple strand chain can be obtained by multiplying the strand factor by the rating power of single strand chain.
The main characteristics of this power graph are as follows For drive Zs=19
功夫熊猫1高清下载
Chain length: 120 pitches
Transmission ratio: 1 : 3 to 3 : 1Service life of chain: 15000 hours
本功率曲线图的特定条件主要是：△小链轮齿数为１９；
△链条长度为１２０个节距；△传动比从１ ： ３到３ ： １；
△链传动的预期使用寿命为１５０００小时。
■ 排数系数表 Ｓｔｒａｎｄ ｆａｃｔｏｒ ｔａｂｌｅ
注：多排链的额定功率可由单排链的额定功率乘以排数系数得到。
Note: The rating power of multiple strand chain can be obtained by multiplying the strand factor by the rating power of single strand chain.
The main characteristics of this power graph are as follows For drive Zs=19
Chain length: 120 pitches
男人美白的方法
Transmission ratio: 1 : 3 to 3 : 1Service life of chain: 15000 hours
( B SERIES ROLLER CHAIN )
链条线速度（米／秒）Ｃｈａｉｎ Ｓｐｅｅｄ（ｍ／ｓ
）
1512.5
1086542.521.751.51.2510.80.60.50.40.3链条传动的润滑取决于使用场合、温度、链条线速度等。
１．使用场合影响
开式传动如各类联合收割机、割晒机等链条应采用油脂润滑。闭式传动如手扶拖拉机链条传动箱，应采用机油润滑。２．温度影响
一般推荐在－５℃￣＋６０℃范围内使用润滑。
冬季采用粘度小的机油，夏季采用粘度大的机油。
leaf的复数形式
３．线速度影响
润滑方式直接与链条线速度有关，可参照下图选择润滑方式。
Lubrication of chain depends on the working environment, temperature, chain speed and so on.1. Influence of working environment
For open drive such as combine chain, swather chain etc., grea lubrication is recommended.
For clod drive such as walking tractor chain transmission ca etc., oil lubrication is recommended.2. Influence of temperature
Application in the temperature range of -5℃ to +60℃ is recommended.
In winter, lower viscosity oil is recommended; But in summer, higher viscosity oil is recommended.3. Influence of chain speed
The lubrication method is related to chain speed.
Refer to the following chart for details, plea.
人教版八年级下册英语知识点
当摩擦副表面变色时表明润滑已失效，在此之前应进行再次润滑。具体的润滑失效间隔时间应依据特定的工况和运行条件进行试验测定。
Relubrication shall be 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 bad on specific conditions and running conditions.
运行在链轮上的链条由于销轴处铰链的相对回转而产生磨损。因此有效的润滑就显得至关重要，其不仅可以有效降低磨损且能降低功率损耗和噪音。
Wear is mainly caud by bearing 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 noi etc. effectively.
曲线１：干摩擦；链条由于干摩擦引起严重磨损而致使其短时间内迅速磨损失效；曲线２：仅有初始润滑；链条因仅有初始润滑，故其磨损在润滑剂用完迅速增加；曲线３：人工润滑；链条因人工润滑而频繁产生间歇性干摩擦，特别是在人工润 滑不能符合润滑周期要求时；
曲线４：不恰当的润滑；链条被使用了不恰当的润滑，比如劣等、脏的、不合适 的粘度或不足的润滑剂，而引起的链条不均匀摩擦；曲线５：正确的润滑；可以看出其对链条使用寿命的至关重要性。
avantar■ 润滑和有效性
Ｌｕｂｒｉｃａｔｉｏｎ ａｎｄ ｅｆｆｉｃｉｅｎｃｙ
左图显示了润滑有效性随运行时间的变化
The left graph shows the efficiency of lubrication decrea with operating time.
■ 链传动的润滑 Ｌｕｂｒｉｃａｔｉｏｎ
Curve 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 after the lubricant has been ud 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 right lubrication is the utmost important to obtain a optimum rvice life.
90
高中英语短文改错
92969498100运行时间ｔ Ｏｐｅｒａｔｉｎｇ ｔｉｍｅ
1
23
运行时间ｔ Ｏｐｅｒａｔｉｎｇ ｔｉｍｅ
