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題 名 | Basic Study of the Surface Quality with Two-passage Oblique Cutting=二段式三次元切削之加工面品質 |
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作 者 | 蘇文清; 王怡仁; 蕭和忠; | 書刊名 | 臺灣林業科學 |
卷 期 | 23:3 2008.09[民97.09] |
頁 次 | 頁211-219 |
分類號 | 474.1 |
關鍵詞 | 三次元切削; 粗糙度; 鉋花; 砂磨; 木材加工; Oblique cutting; Roughness; Shaving; Sanding; Wood machining; |
語 文 | 英文(English) |
中文摘要 | 木材加工作業中,最為污染環境者,首推砂磨加工產生之粉塵,對某些板料家具組件而言,如能省去砂磨加工且獲得精細加工面,實為一種環保加工法。本研究以自行開發設計之二段式鉋光機切削杉木、硬槭及紅櫟木三種木材,以探討不同斜交角之三次元切削加工面品質,並與砂磨面及迴轉鉋削面比較。試驗結果得知斜交角15° 切削三種木材之鉋花厚度皆大於預定鉋花厚度約0.007~0.016 mm 左右,而斜交角20° 之鉋花厚度則與切削深度相近,其中杉木鉋花為平直條狀外,其他二樹種之鉋花呈螺旋捲曲狀。三種木材之三次元切削面可獲致類似砂磨之表面品質,尤其二段式切削之加工面粗糙度(Ra) 甚至低於砂磨面。此外,由粗糙度剖面圖及SEM 觀測得知,二段式三次元切削可切除因迴轉鉋削產生之變形層,獲致光滑細緻表面及砂磨面無法比擬之細滑觸感。 |
英文摘要 | Wood dust causes serious air pollution in the woodworking environment. Machining processes which do not require sanding to obtain a fine surface needed for some flat furniture parts is a more environmentally friendly process. A self-designed 2-passage surface planer with oblique angles of 15 and 20° used to machine China fir, hard maple, and red oak was examined by evaluating the surface quality. The machined surfaces were compared to those produced by sanding and planing. Results from this experiment showed the shaved thicknesses of 3 solid woods were always thicker than the preset cutting depth by about 0.007~0.016 mm for an oblique angle of 15°, and the shaved thicknesses did not significantly differ from the preset cutting depth for an oblique angle of 20°. The shape of the shaving of China fir was flat, while the others were spiral. The surface quality of the 3 solid woods machined by oblique angles of 15 and 20° were similar to that machined by sanding. The surface quality obtained by the 2-passage oblique cutting was better than that of the sanded surface. Further, it was found that the deformation layer caused by planing was removed by 2-passage oblique cutting according to observations of the roughness profile and SEM photos. The tactile impression of the obliquely cut surface was largely smoother than the sanded one. |
本系統中英文摘要資訊取自各篇刊載內容。