數(shù)控車床回轉(zhuǎn)工作臺設(shè)計說明書
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- 數(shù)控回轉(zhuǎn)工作臺設(shè)計
摘 要
本次畢業(yè)設(shè)計的題目是數(shù)控回轉(zhuǎn)工作臺設(shè)計。通過對數(shù)控回轉(zhuǎn)工作臺的設(shè)計，使大學(xué)生在步入社會之前，不僅能夠設(shè)計出數(shù)控回轉(zhuǎn)工作臺，而且能夠掌握機械設(shè)計的方法和步驟。本課題研究的主要內(nèi)容包括：確定數(shù)控回轉(zhuǎn)工作臺的傳動方案；驅(qū)動力計算及其他相關(guān)計算；零件設(shè)計與校核；零件圖的繪制與三維模型建立；繪制裝配圖及運動仿真。
對于數(shù)控回轉(zhuǎn)工作臺的設(shè)計，首先，進行總體方案設(shè)計，傳動方案采用齒輪傳動和蝸桿傳動；然后進行各零件的設(shè)計與校核，蝸桿與軸采用整體式結(jié)構(gòu)；蝸輪與工作臺采用螺釘連接；工作臺的平衡通過止推軸承來保證；箱體由箱座、箱蓋和頂蓋組成，其中箱體上設(shè)計了圓臺和加強筋；最后，對各零件進行裝配。
數(shù)控機床的圓周進給由回轉(zhuǎn)工作臺完成，回轉(zhuǎn)工作臺可以與X、Y、Z三個坐標軸聯(lián)動，從而加工出各種球、圓弧曲面等。回轉(zhuǎn)工作臺可以實現(xiàn)精確的自動分度，擴大了數(shù)控機床加工范圍。目前，數(shù)控回轉(zhuǎn)工作臺主要用于數(shù)控鏜床和銑床。隨著數(shù)控技術(shù)的應(yīng)用越來越廣泛，數(shù)控回轉(zhuǎn)工作臺的應(yīng)用已成為歷史的必然。
關(guān)鍵詞：數(shù)控回轉(zhuǎn)工作臺；齒輪；蝸桿；箱體；建模
Design of NC rotary worktable
Abstract
The graduation project is the subject of design of CNC rotary worktable. NC rotary table on the design, so that before the students entered the community, not only to design a CNC rotary worktable, and can master the mechanical design of the methods and procedures. The main content of this research include: determining the transmission scheme of CNC rotary worktable; driving force calculation and other calculations; part design and verification; part and three-dimensional mapping model; assembly drawing and motion simulation.
NC rotary worktable for the design, first of all, the overall design, use of transmission scheme and worm gear drive; then each part of the design and verification, the whole worm and shaft structure; worm screw connection with the worktable; Balance worktable by thrust bearings to ensure; box from the box seat, lid and cover, of which the box on the design of the round table and strengthen the tendons; Finally, the parts for assembly.
The circumference of CNC rotary worktable by the completion of the feed, rotary worktable with X, Y, Z three axis coordinates to be processed into a v...
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