亚洲一区欧美在线,日韩欧美视频免费观看,色戒的三场床戏分别是在几段,欧美日韩国产在线人成

金屬材料結(jié)合部法切向剛度修正與實(shí)驗(yàn)驗(yàn)證
作者:
作者單位:

作者簡(jiǎn)介:

通訊作者:

中圖分類號(hào):

基金項(xiàng)目:

國(guó)家自然科學(xué)基金資助項(xiàng)目(51075234、50975104)


Modification of Normal and Tangential Stiffness for Joint Interface with Metallic Material and Experimental Validation
Author:
Affiliation:

Fund Project:

  • 摘要
    • |
  • 圖/表
    • |
  • 訪問(wèn)統(tǒng)計(jì)
    • |
  • 參考文獻(xiàn)
    • |
  • 相似文獻(xiàn)
    • |
  • 引證文獻(xiàn)
    • |
  • 資源附件
    • |
  • 文章評(píng)論
    摘要:

    推導(dǎo)了分形維數(shù)、分形粗糙度的近似解析解，修正了結(jié)合部法向接觸剛度相關(guān)公式。編寫了求解域擴(kuò)展系數(shù)的通用Matlab程序，推導(dǎo)出結(jié)合部切向接觸剛度的解析解。以XHK5140型自動(dòng)換刀計(jì)算機(jī)數(shù)控立式鏜銑床上的結(jié)合部為研究對(duì)象，以測(cè)試試件的實(shí)驗(yàn)結(jié)果為基準(zhǔn)，按照相似振型相關(guān)性、固有頻率定量比較的原則，對(duì)結(jié)合部法向與切向接觸剛度的理論解進(jìn)行了驗(yàn)證。驗(yàn)證表明理論模型的振型與實(shí)驗(yàn)的振型都一致，理論與實(shí)驗(yàn)固有頻率的相對(duì)誤差在-16.8%~16.8%之間。

    Abstract:

    The proximate analytic results of fractal dimension and fractal roughness were derived. Some solutions associated with normal contact stiffness in joint interface were modified. A general Matlab program was compiled to solve the domain extension factor. The analytic expression for the tangential contact stiffness was deduced about joint interface. A joint interface selected as an example in XHK5140 automatic tool-changing CNC vertical boring and milling machine tool in terms of the experimental results about test specimen, the theoretical expressions for normal and tangential contact stiffness were validated via the correlation of similar vibration shape and quantitative comparison tenet of natural frequencies. The theoretical vibration shapes were in good line with the experimental ones. The relative error between the theoretical natural frequencies and the experimental results distributed from -16.8% to 16.8%. 

    參考文獻(xiàn)
    相似文獻(xiàn)
    引證文獻(xiàn)
引用本文

田紅亮,趙春華,朱大林,秦紅玲,李響,毛寬民.金屬材料結(jié)合部法切向剛度修正與實(shí)驗(yàn)驗(yàn)證[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2012,43(6):207-214. Tian Hongliang, Zhao Chunhua, Zhu Dalin, Qin Hongling, Li Xiang, Mao Kuanmin. Modification of Normal and Tangential Stiffness for Joint Interface with Metallic Material and Experimental Validation[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(6):207-214.

復(fù)制
分享
文章指標(biāo)
  • 點(diǎn)擊次數(shù):
  • 下載次數(shù):
  • HTML閱讀次數(shù):
  • 引用次數(shù):
歷史
  • 收稿日期:
  • 最后修改日期:
  • 錄用日期:
  • 在線發(fā)布日期: 2012-06-19
  • 出版日期: