G代碼編制零件的數(shù)控加工程序畢業(yè)設(shè)計(jì)

1、摘要 ： 隨著科學(xué)技術(shù)飛速發(fā)展和經(jīng)濟(jì)競(jìng)爭(zhēng)的日趨激烈，機(jī)械產(chǎn)品的更新速度越來(lái)越快，數(shù)控加工技術(shù)作為先進(jìn)生產(chǎn)力的代表，在機(jī)械及相關(guān)行業(yè)領(lǐng)域發(fā)揮著重要的作用，機(jī)械制造的競(jìng)爭(zhēng)，其實(shí)質(zhì)是數(shù)控技術(shù)的競(jìng)爭(zhēng)。數(shù)控技術(shù)已成為先進(jìn)制造系統(tǒng)中不可缺少的基礎(chǔ)技術(shù)。主要設(shè)計(jì)內(nèi)容有：完成所給零件的零件圖、裝配圖計(jì)算機(jī)圖紙的繪制以及三維造型，選擇合適的機(jī)床、夾具、刀具，零件加工工藝的編制，用g代碼編制零件的數(shù)控加工程序。 abstract ： with the rapid development of science and technology and increasingly fierce economic compe

2、tition, mechanical products, faster updates, cnc machining technology as the representative of the advanced productive forces in the field of machinery and related industries play an important role, machine-building competition cnc technology is the essence of competition. cnc technology has become

3、advanced manufacturing systems based on technology indispensable. the design of the past three years mainly for learning and comprehensive review of the application of key design elements include: the completion of the parts to the parts diagram, assembly drawing and computer drawings of three-dimen

4、sional shape, select the appropriate machine tools, fixtures, tools, parts preparation process with the preparation of g code cnc parts processing. 關(guān)鍵詞 ： 數(shù)控加工 零件造型 數(shù)控程序編程 工藝編制key words： cnc machining parts modeling cnc programming craft establishment1. 加工工件零件圖、裝配圖圖 1.1圖 1.2圖 1.3圖 1.42零件的實(shí)體造型圖 2.1圖 2

5、.2圖 2.3圖 2.43數(shù)控加工3.1 加工工藝零件加工工藝如下圖機(jī)械加工卡片所示：零件圖號(hào)分別為001、002和003。3. 2機(jī)床、夾具等的選擇零件1和零件2選用加工中心加工，零件3選用數(shù)控車(chē)床加工；零件1和零件2選用虎鉗裝夾，零件3選用三爪自定心卡盤(pán)裝夾；零件1粗加工選用30銑刀和16球頭銑刀，精加工采用12平面銑刀，零件2粗加工采用16球頭銑刀，精加工采用8平面銑刀，零件3粗加工和精加工采用93度偏車(chē)刀，切槽加工螺紋采用切槽刀和螺紋車(chē)刀。 3.3 確定編程原點(diǎn)、對(duì)刀方法等 零件1和零件2選用工件上表面中心為坐標(biāo)原點(diǎn)即編程原點(diǎn)，零件3選用零件的右端面中心為編程原點(diǎn)，對(duì)刀位置分別為工件的

6、坐標(biāo)原點(diǎn)，三個(gè)零件均采用試切法對(duì)刀。 3. 4加工路線(xiàn) 三個(gè)零件加工路線(xiàn)按照機(jī)械加工工藝卡片進(jìn)行加工。3. 5 加工參數(shù)三個(gè)零件加工進(jìn)給量和和刀具切削等加工參數(shù)均按照程序單中所給加工參數(shù)。 3. 6 數(shù)值點(diǎn)計(jì)算 零件1圖中未知點(diǎn)坐標(biāo)為逆時(shí)針?lè)较颍?28.1,45）、（-34.3,42.9）、（-56.2，25.6）、（-60，17.8）；零件2圖中未知點(diǎn)坐標(biāo)為逆順針?lè)较颍?8.1,45）、（34.3,42.9）、（56.2，25.6）、（60，17.8）。 3. 7加工程序單零件1、零件2和零件3的加工程序單如下：零件1數(shù)控加工程序單%0001g91g28z0t01m06g43h01g90g5

7、4g00x-100y-100m03s600z10g01z0f200z -5g01g41x-65y-70d01g01y50x65y-50x-50y40x55i-35x-35y25x-20y-20x40y-5x-5y10x5y5x50y9x30g02x30y9i30j25g01x-90y-70x-65z-10g01y50x65y-50x-50y40x55y-35x-35y25x-20y-20x40y-5x-5y10x5y5x50y9x30g02x30y9i30j25g01x-90y-70x-75y32.5x-40y60x35g02x75y20r40g01y-60x-50g02x-60y-50r25

8、g01y90g01g40x100g01z10g00x0y0g91g28x0y0z0m05t02m06g90g54m03s800g43h02g00x0y-30z10x50g01z-15f100x-50g01z0x-15y0g01z-15g01x-50y17.8g01x28.5y35x-15y0x-23y35x-30y0x-38y30x-46y20g01z0g00x0y0z10g91g28x0y0z0m05t03m06g90g54m03s1000g43h03g00x0y80z10g01z-5f100g01g41x10d03y15g02x10y15i30j25g01z-10g02x10y15i30j

9、25g01z5g00x-70y-80g01z-15y27.5x35y55x30g02x70y15r40g01y-55x-45g02x-70y-30r25g01y70g01z5g00x0y-35g01z-15y-40x50g03x50y-20i50j-30g01x-50g03x-50y-40i-50j-30g01x-50g03x-50y-40i-50j-30g01x0.y-30g01z5g00x-30y0g01z-15y-10x-15g03x-5y0r10g01y35g03x-15y45r10g01x-28.1g03x-34.3y42.9r10g01x-56.2y25.6g03x-60y17.8

10、r10g01y0g03x-50y-10r10g01x-25y0z5g00g40x0y0z100m05m30零件2數(shù)控加工程序單% 0002g91g28z0t01m06g43h01g90g54g00x0y0m03s600z10g01x-8y-15z0g01x-60z-0.5f100g01x-8z-5y45x-30g02x-60y15r30g01y-5x-13y40x-25g02x-55y10r30g01y0x-47y35x-40y0x-32y35x-24y0x16y35g00x-30y15g01z-5x-20g02x-20y15i-30j25g01x30z-15x-20g02x-20y15i-3

11、0j25g01z0z10g91g28x0y0z0m05t02m06g90g54m03s1000g43h02g00x-10y0z10g01z-5g01g41x-70d02g01y-55f150x45g02x70y-30r25g01y27.5x35y55x-30g02x-70y15r40g01y-10x5g02x60y0r10g01y35g03x15y45r10g01x28.1g03x34.3y42.9r10g01x56.2y25.6g03x60y17.8r10g01y0g03x50y-10r10g01x15g03x5y0r10g01x0y-20x-50g03x-50y-40i-50j-30g01

12、x50g03x50y-20i50j-30g01x0y0g01z0g00x-30y25g01z-10x-10g02x-10y25i-30j25g01z-15g02x-10y25i-30j25g01z0g00g40y0z100m05m30零件3數(shù)控加工程序單%0003t0101m03s100f150g00x45z2g71u2.5r1p5q10e0.5g00x45z10t0202g00g42x43z2n5g01x0z0x8g03x18z-5r5g01z-5.8g02x24z-12r8g01z-18x26x30z-12z-37x32z-43n10x42z-50x50g00z10t0303g00z-37g01x26g01x50g00z10t0404g00z-18g01x30g82x39.1z-38f2g82x28.5z-38f2g82x27.9z-38f2g82x27.5z-38f2g82x27.4z-38f2g00x50z10m05m303. 8程序校驗(yàn) 分別將三個(gè)零件的加工程序單輸入機(jī)床進(jìn)行加工前的程序校驗(yàn)。 3. 9加工前準(zhǔn)備 加工前的準(zhǔn)備，在加工工件前完成工件坐標(biāo)系的建立即對(duì)刀，長(zhǎng)度、半徑補(bǔ)償值的輸入等工作。 3.10 自動(dòng)加工 自動(dòng)加工，完成三個(gè)零件的加工，然后將零件1和零件2裝配在一起。參考文獻(xiàn)：1王孝達(dá).田柏齡. 金屬工藝學(xué).高等教育出版社，19