臺灣博碩士論文加值系統

由於倒角以及去毛邊的過程在加工上增加了生產成本和時間，常常被低估甚至被忽略，但尚未倒角與去毛邊之齒輪會造成許多問題，目前國內在處理齒輪倒角與去毛邊這方面較少有切齒機台包含倒角加工機構，大部分在去毛邊之方法皆是線下加工方式進行，但效率較低，因此提出在現有機台上加裝加工軸以及馬達等設備，在線上進行去毛邊之方法。
本研究著重於利用現有機台進行倒角加工以及其路徑規劃，本文先透過現有資料設計出齒胚，並利用嚙合方程式建立戟齒輪之齒形拓譜網格點，接著利用齒形大端建立初步倒角面並擬合出加工路徑，為了規劃加工路徑，需先建立機台加工矩陣以及倒角刀具作為基礎，透過相關之限制條件推導出各軸在倒角時所需之絕對位置，並透過現有機台額外安裝倒角加工軸，並考量到加工時相關之干涉問題，設計出適合的加工方法與刀具尺寸，最後使用VERICUT進行加工模擬，並驗證其可行性。

The chamfering and deburring may be underestimate and even out of consideration during the manufacturing process because of the high-cost and time-consuming. However, gears without chamfering and deburring could cause the injury of workers or inefficient of gear meshing. In domestic, there are few gear cutting machines including chamfering device simultaneously. The chamfering and deburring process is usually off-line. This thesis proposes the method for chamfering and deburring gears on-line by setting up the chamfering mechanism on the hypoid gear cutting machine to increase the efficiency of manufacturing.
The study on this thesis focus on the design of the mechanism and the NC path planning for chamfering and deburring process. Firstly, the tooth flanks are established by the existing mathematical model of hypoid gear. Secondly, the NC path planning is programing based on the profile of gear and the geometry of chamfering. In order to design the tooling path for chamfering, we select the appropriate chamfering tool and establish the transformation matrices of gear cutting machine. The absolute positions for chamfering can be derived based on some geometric constraints. The derived mathematical model for chamfering and deburring gears are verified using the CNC machining simulation software VERICUT®.

目錄
致謝 I
摘要 II
Abstract III
圖目錄 VII
表目錄 X
參數符號表 XI
第一章 緒論 1
1.1前言 1
1.2研究動機與目的 2
1.3文獻回顧 2
1.4論文架構 4
第二章 戟齒輪數學模式 5
2.1戟齒輪介紹 5
2.2設計大小齒輪 7
2.2.1設計參數 8
2.2.2建立平面拓譜 15
2.3面铣盤數學模式 16
2.4泛用型座標系統 17
2.5建立齒形網格點 21
第三章 戟齒輪倒角方法 23
3.1倒角方法介紹 23
3.1.1铣刀介紹 24
3.2倒角數學模式 26
3.3機台座標系統介紹 30
3.3.1建立刀具與機台之座標系統 31
3.4倒角加工路徑規劃 35
第四章 數值範例與加工模擬 40
4.1大小輪拓譜網格點 40
4.2大輪齒形結果 44
4.3小輪齒形結果 48
4.4機台規劃結果 52
4.5倒角規劃結果 54
4.6VERICUT 7.3加工模擬 63
4.6.1建立機台各軸以及其運動關係 63
4.6.2刀具迴轉軸座標系統 64
4.6.3建立刀具 65
4.6.4 NC CODE以及結果呈現 66
第五章 結論與未來展望 68
5.1結論 68
5.2未來展望 69
參考文獻 70
附錄A. Vericut軟體中齒輪倒角加工NC程式 73

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