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dddddddd
机械齿轮的参数优化,设计一直齿圆柱齿轮传动, 已知其齿数比u= 4, 小轮轴
扭矩T 1= 100N. m, 单向传动, 润滑良好, 非对称布置, 两齿
轮材料 小齿轮40Cr, 调质, 齿面硬度HB= 250~ 280, [ RH ] 1
= 630MPa, [ RF ] 1= 288MPa 大齿轮45 钢, 调质, 齿面硬度
HB= 220~ 250, [ RH ] 2= 550MPa, [ RF ] 2= 204MPa, 取载荷系
数K = 1. 28。(Parameter optimization of the mechanical gear design has been Cylindrical Gear, known gear ratio u = 4, small axle torque T 1 = 100N m, one-way transmission, well-oiled, non-symmetrical arrangement of the materials of the two gears pinion 40Cr quenched and tempered tooth surface hardness HB = 250 ~~ 280 [RH] 1 = 630 MPa [RF] 1 = 288MPa large gear 45 steel, quenched and tempered tooth surface hardness HB = 220 to 250, [RH] = 550MPa , [RF] 2 = 204MPa, to take load factor K = 1 28.)
- 2013-01-05 19:43:07下载
- 积分:1
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lizixunsuanfa
机组组合问题的粒子群算例,不错的算例,大家一起学习(Unit Commitment particle swarm example, a good example, we will study together)
- 2021-04-14 16:28:55下载
- 积分:1
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answertodigitalsignalprocessing
这是数字信号处理的的答案,是PDF形势的,我们可以把它下下来进行参考。(This is the answer to digital signal processing, is the PDF situation, we can put it down to the next reference.)
- 2010-07-01 21:57:48下载
- 积分:1
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system4
计算机控制系统的过程通道分为四类:模拟量输入通道、模拟量输出通道、数字量输入通道和数字量输出通道。
(Computer control system process channel into four classes: an analog input channel, analog output channel, the digital quantity input channel and digital output channel.)
- 2010-12-09 00:15:20下载
- 积分:1
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matlab
本程序详细介绍了利用matlab求解常微分方程的几种方法,适合初学者求解一般的常微分方程。(This procedure described in detail using matlab for solving ordinary differential equations of several methods, suitable for beginners to solve ordinary differential equations in general.)
- 2008-07-06 16:32:33下载
- 积分:1
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MUSIC
经典的music同步代码,可用于3GLTE下行时频同步计算,很有用的资料额。。(a very commom synchronization method named as MUSIC,used for 3GLTE downlink timing and frequency sychronization ,it s useful.)
- 2011-04-29 11:01:34下载
- 积分:1
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queue_bank
bank single server queue
- 2012-05-29 02:53:14下载
- 积分:1
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AR-Matlab
ar模型的功率谱估计 在Matlab环境下的方法展示,供大家参考和使用。(The ar model power spectrum estimation method in Matlab environment show for your reference and use.)
- 2013-04-09 22:14:35下载
- 积分:1
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digital_filtering
用SIMULINK搭建的数字滤波仿真程序,编译后而直接用在DSP上!(The digital filter structures using SIMULINK simulation program, compiled directly used in the DSP,!)
- 2010-01-10 12:25:12下载
- 积分:1
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method-of-moment
矩量法的matlab程序,包含网格划分和矩量法求解的源代码(method of moment)
- 2013-08-29 11:18:22下载
- 积分:1