最大切削量 的英文怎麼說
中文拼音 [zuìdàqiēxiāoliáng]
最大切削量
英文
maximum cut-
The frozen coal destruction is the tension stress destroys, and establish the frozen coal cutting model in this foundation, obtains the cutting force, feeding force, tooth spacing according to the smallest energy principle. bring forward a rotary drilling mothod to unload the frozen coal, the broken ability is strong, without frozen depth limits, then obtains this machine working parameters, has combined this method with a grab and determined the plane of vehicle - carried rotary drilling movable coal - unloader
凍煤破壞是拉應力破壞，在此基礎上建立了凍煤的切削模型，根據最小能量原理得到截割力，進給力和截齒間距的計算公式，分析得到截割力與切削厚度成正比，隨著前角的增大而減小;截齒最優截距與截齒尺寸有關且與切屑厚度成正比;進給力隨著截齒前角增大而增大的規律。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。There was marked and extremely marked linear positive relativity among condylar elastic - limit load, largest load, stiffness and bone density, in which all relative coefficients exceeded 0. 862
其彈性極限負荷及位移、最大負荷及位移以正常組為最高，而剛度及骨礦含量則以切削組為最高，減徑組各項指標均最低。And the rule of grinding force on dressing is analysed in terms of geometrical model, wheel parameters and technique parameters
實驗結果表明：砂輪變速磨削，徑向磨削力降低，切深量對磨削力的影響最大，而低速磨削時磨削力最大。Through consulting the cutter standard graphics in the book of " dijet carbide tools, " the standard and improved cutter standard graphic database is established with database language. by the parametric design of cutter, the efficiency during the period of cutter design is increased greatly, the cutter movable cycle enlarged and the cutter service life extended. the selections of optimum cutter and cutting quantity for the spare parts with different materials, hardness, specifications and types are analyzed
刀具標準圖形庫是基於autocad的環境下，實現車間一級的針對刀具的圖形管理系統，通過參考《黛傑硬質合金切削刀具》書中的刀具標準圖形，運用了數據庫語言建立了標準的、比較完善的刀具標準圖形數據庫，並對刀具進行了參數化設計，大大提高了刀具設計過程中的效率，加大了對刀具的活動循環，延長了刀具的使用壽命，對不同材質、硬度、規格型號的零件如何選擇最佳的刀具以及切削用量的選擇做了分析。分享友人