數(shù)控專(zhuān)業(yè)外文翻譯---寬槽圓柱凸輪數(shù)控加工技術(shù)的研究-數(shù)控設(shè)計(jì)-wenkub
2023-05-19 01:35:33 本頁(yè)面
【正文】 production, other knife position paths then must be along the trough cavity center alignment left, are right nearby two according to the Corresponding . Figure 1 column cam path twodimensional developed view Second, Solution model In the column cam path numerical control processing, how extracts in each working procedure to process two sides surfaces the knife position path is key. Regarding the periphery on cam path, usually is launches first the round cylinder, extracts this working procedure in the XOS plane to process two sides surfaces the knife position path to launch curve XS。 英文原 文 Wide Trough Column Cam Numerical Control Processing Research Summary: Some questions produces which in view of the traditional milling method processing column cam, proposed one kind in view of the trough spaciously in the cutting tool diameter column cam path numerical control milling processing method. Through the analysis research, has established one kind of correct coordinates transformation model, and processes according to this conforms to the request wide trough column cam. Keywords: Numerical control processing Coordinates Transformation width trough column cam Main Text The column cam path is generally surrounds according to the certain rule in the round cylinder and so on the wide trough. Must satisfy below to the column cam path numerical control milling processing requests: column cam path working surface namely two sides plane of normal section lines must be strict parallel。 Then transforms through the coordinates, will launch the curve XS transformation will be on four coordinates engine beds knife position path. Under discusses no matter what in a processing working procedure launches curve XS the solution method, as well as production final knife position path coordinates transformation method. curve XS the solution Like chart 2 shows, Lo is the column cam path middle line, regarding the i working procedure, Lli and Lri respectively the trough cavity which is going to process be this working procedure left, the right two sides surface launches the curve, this width is Bi, processes the cutting tool radius is r (obviously 2r ≤ Bi), processes this cavity to be left, the right side knife position path launches the curve is CLli and CLri ,supposes Po is in a trough cavity middle line spot, Po is the trough cavity middle line in the Po place law arrow, Then is left, the right knife position path launches in the curve corresponding points pli and the pri putational method is: (1) Figure 2 column cam path twodimensional developed view Po along the trough cavity middle line migration, namely may extract this working procedure knife position path to launch curveXS in the XOS plane。 When θ = 90176。 通過(guò)分析研究 ， 建立了一種正 確的坐標(biāo)轉(zhuǎn)換模型，并依此加工出符合要求的寬槽圓柱凸輪。 當(dāng)圓柱凸輪槽寬度不大時(shí) ， 可以找到相應(yīng)直徑的立銑刀沿槽 腔中心線進(jìn)行加工 ， 比較容易加工出符合上述要求的圓柱凸輪槽 。 對(duì)于槽寬尺寸較大的圓柱凸輪槽，很難找到直徑與槽寬相等的標(biāo)準(zhǔn)刀具。 下面根據(jù)實(shí)踐經(jīng)驗(yàn)和分析研究 ， 介紹一種用直徑小于凸輪槽寬的立銑刀對(duì)圓柱凸輪槽 進(jìn) 行數(shù)控加工的方法，稱(chēng)之為寬槽圓柱凸輪的數(shù)控加工。 圓柱凸輪的軸 向和徑向尺寸一般較大 ， 為了克服由于懸臂加工時(shí)切削力所造成的心軸變形和加 工過(guò)程中產(chǎn)生的振顫 ， 使用一個(gè)支承于尾座上的 、 與數(shù)控轉(zhuǎn)臺(tái)的回轉(zhuǎn)軸線同軸的 頂尖頂住心軸 中心孔作輔助支承。 對(duì)于圓柱表
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