NORTEL NTRX51GY DMS-100 MESSAGE CONTROLLER CIRCUIT (MCC) 500MHZ MPC750 COMPACT..
采用了進(jìn)的電子監(jiān)控系統(tǒng)，推土機(jī)的工作狀態(tài)進(jìn)行隨時(shí)跟蹤、顯示，故障實(shí)行聲、光三產(chǎn)品，有利于及時(shí)發(fā)現(xiàn)和排除故障隱患，避免重大事故發(fā)生。齒根彎曲應(yīng)力計(jì)算關(guān)于齒根彎曲應(yīng)力的分布規(guī)律，在中還有爭議，有的認(rèn)為e服從r分布；有的則認(rèn)為服從數(shù)正態(tài)分布；有的為了安全起見，認(rèn)為服從正態(tài)分布但通常認(rèn)為彎曲應(yīng)力服從數(shù)正態(tài)分布。故這里仍以數(shù)正態(tài)分布作為齒根彎曲應(yīng)力的近似概率模型，并引用模型變異系數(shù)Cfm=004以補(bǔ)償模型的近似性。
.2齒根彎曲應(yīng)力的均值及變異系數(shù)理時(shí)的均值各獨(dú)立隨機(jī)值的均值就是按國標(biāo)規(guī)定方法（計(jì)算或查線圖）得到的數(shù)值；3各參系數(shù)均值和變異系數(shù)的選取.3.彈性系數(shù)YE主要受材料的彈性模量E的影響。根據(jù)指出，鋼的彈性模量的統(tǒng)計(jì)變異系數(shù)為0.03，故選取雙圓弧齒輪的彈性系數(shù)Ye的變異系數(shù)為Q03，均值由給出2雙圓弧齒輪的載荷系數(shù)Kv及接觸跡間載荷分布系數(shù)K借用漸開線齒輪的相應(yīng)系數(shù)，并按其取值誤差的大5%計(jì)算，從而得到接觸跡間載荷分布系數(shù)K和動(dòng)載荷系數(shù)Kv的變異系數(shù)均為0. 0.05，均值由給出.3.3C2x的取值考慮到重合度的整數(shù)部分―x是常量，而只有K△潑生變化，而且是由實(shí)驗(yàn)和數(shù)值計(jì)算得到，定其取值誤差為±%，再考慮到般雙圓弧齒輪其軸向重合度均大于2，限情況下，比如人字齒輪單邊重合度也有為的情況，所以取變異系數(shù)4雙圓弧齒輪的接觸跡內(nèi)載荷分布與彎曲應(yīng)力并非線性關(guān)系，而是Q86次方折算來的，因而取其取值誤差為±0%，借用單圓弧齒輪的相應(yīng)系數(shù)，取CKF2 =0.033，均值由給出。
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EMAIL:2859249356@qq.comKEYENCE KV-16R Keyence, PLC Controller 10 INPUTS 6 OUTPUTS.;P?LC ASSY KEYENCE KV
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