銑次 的英文怎麼說
中文拼音 [xiǎncì]
銑次
英文
senji-
Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced
3 、研製了集銑磨成型、研磨、拋光於一體的光學非球面復合加工機床（ aocmt ） ，分析了各種運動誤差對銑磨精度的影響；根據空間齊次坐標的變換模型，推導出多軸數控加工的後置處理演算法；通過五軸數控聯動， aocmt機床能夠以法向方式加工出任意復雜的光學表面，銑磨精度穩定在8 m之內。Two - way feeds, each finish carton mill trough mill trough make paper dropped on a board by dust
雙向進刀，一次完成紙板盒銑槽工序。Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。In this project, using lpmsm as driving parts in modern mechanical systems involved high - precision synchronized feed technology such as gantry - moving type milling machine is first proposed so as to bring their high - speed dynamic response ability into play for realizing dynamically synchronized feed
本項目首次提出了在諸如龍門移動式鏜銑床等涉及高精度同步進給技術的現代加工設備中，採用永磁直線同步電機作為同步進給的驅動元件，以發揮其高速的動態響應能力，實現動態同步進給。Whether the control progress of the project is effective, it will decide the final benefit of society and economy on the protection. however, it ' s the key of the success or failure whether we could valid and accurately fix the control goal and effectively command the project according to it during the project implementation. in the light of cybernetics, a works project is a goal system composed of many goals and inherent interaction, among which cost, progress, quality are three essential goals
本文將工程項目管理的理論方法應用於數控銑床的改造項目，此項目在實施過程中採用工程項目管理的控制論方法進行全面控制，進行了項目成本的概預算以及項目實施中的各階段控制，在滿足要求的基礎上不斷完善;採用邀請招標的方法，確定最終技術方案，簽訂技術合同;針對項目的具體情況進行了項目進程式控制制，使項目的周期縮至最短;採用全面質量管理對項目的質量進行控制，使之達到預期的質量目標;對項目的成本控制是此次項目最基本、最關鍵的，也是最難點，從招標到項目結束，成本控制貫串始終，最終對項目需要驗收的內容進行檢驗。Bispectral analysis can reveal information of quadratic phase coupling of a time series and fits well the demands of characteristic extraction while on - line monitoring wear conditions of a milling cutter
摘要雙譜分析能夠揭示時間序列的二次相耦合信息，特別適于銑刀磨損狀態監測信號的特徵抽取。Its working parts can be controlled up and down, backward and forward to meet different profile bar ; drilling and transverse milling can be once completed automatically ; it has the characteristics of high efficiency and stable performance
機頭可以上下前後調整，以滿足不同型材的加工要求，鉆孔及橫向銑削二道工序一次自動完成，該機具有效率高，性能穩定等特點。Commonly, the precision of grind machine could reach to 2um after modifying and grinding for second time. so we designed and assembled this aspheric surface measuring instrument to get error function as compensation documents of grind machine to assure the precision of grind of optics
一般來說，高精度的非球面銑磨機床經過誤差補償后其精磨面形精度的達到2um ，因此通過輪廓儀的測量得到銑磨機床一次銑磨的誤差反饋數據，就可對非球面銑磨機床一次銑磨進行補償。Found the new rp technique in which material addition and material removal are combined. 2. a compatible material combination was developed. 3. a new rule to segment part is defined, basing on which the arithmetic is developed
首次提出了將堆積成形與傳統成形相結合的集堆積與雕銑於一體的快速成形技術，為rp領域開辟了新的研究方法與工藝技術； 2分享友人