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畢業(yè)論文設(shè)計(jì)-平面凸輪數(shù)控銑工藝分析及程序編制-wenkub.com

2025-01-13 22:42 本頁面
   

【正文】 s not needed. Instead, he plans to deploy his 270squarefoot (25squaremeter) main chute at an altitude of around 5,000 feet (1,524 meters). In order to deploy this chute successfully, he will have to slow to 172 mph (277 kph). He will have a reserve parachute that will open automatically if he loses consciousness at mach speeds. Even if everything goes as planned, it won39。 3. Ask your heart what it wants 傾聽內(nèi)心 We’re often confused at the next step to take, making pros and cons lists until our eyes bleed and our brains are sore. Instead of always taking this approach, what if we engaged a new part of ourselves that isn’t usually 26 involved in the decision making process?我們常對(duì)未來猶疑不定,反復(fù)考慮利弊直到身心俱疲。 2. Embrace the unfortable We all know what that twinge of anxiety feels like. We know how fear feels in our bodies: the tension in our necks, the tightness in our stomachs, etc. We can practice leaning into these feelings of disfort and let them show us where we need to ,也都感受過恐懼造成的生理反應(yīng):脖子僵硬、胃酸翻騰。下面六個(gè)方法有助于你更完滿透徹地敞開心扉。 Baumgartner the disappointing news: Mission aborted. r plays an important role in this mission. Starting at the ground, conditions have to be very calm winds less than 2 mph, with no precipitation or humidity and limited cloud cover. The balloon, with capsule attached, will move through the lower level of the atmosphere (the troposphere) where our daytoday weather lives. It will climb higher than the tip of Mount Everest ( miles/ kilometers), drifting even higher than the cruising altitude of mercial airliners ( miles/ kilometers) and into the stratosphere. As he crosses the boundary layer (called the tropopause),e can expect a lot of turbulence. We often close ourselves off when traumatic events happen in our lives。 From the corner at the beginning of deep friendship。嫌惡過自己的怯懦,最終卻發(fā)現(xiàn)有很多 緣分 ,有很多錯(cuò)過,好像冥冥之中真的已經(jīng)注定。 A person39。 Then in high school, think don39。二十年的人生軌跡深深淺淺,突然就感覺到有些事情,非做不可了。s plaint. In a statement the Russian side added: We found no racist insults from fans of CSKA. Age has reached the end of the beginning of a word. May be guilty in his seems to passing a lot of different life became the appearance of the same day。s about how he felt and I would like to speak to him first to find out what his experience was. Uefa has opened disciplinary proceedings against CSKA for the racist behaviour of their fans during City39。re clear about the terms of the agreement. It might be best to get advice from an experienced adviser, for example, at a Citizens Advice Bureau. To find your nearest CAB, including those that give advice by , click on nearest CAB. For more information about making a claim to an employment tribunal, see Employment tribunals. The (lack of) air up there Cay man Islandsbased Webb, the Watch m head of Fifa39。 22 參考文獻(xiàn)、資料: [1]王愛玲 .李清 .數(shù)控機(jī)床加工工藝 . 北京: 機(jī)械工業(yè)出版社, [2]王愛玲 .孫旭東 .數(shù)控編程技術(shù) . 北京: 機(jī)械工業(yè)出版社, [3]徐宏海 .數(shù)控加工工藝 . 北京: 化學(xué)工業(yè)出版社, [4]劉萬菊 .數(shù)控加工工藝及編程 . 北京: 機(jī)械工業(yè)出版社, [5]楊建明 .數(shù)控加工工藝及編程 . 北京: 北京理工大學(xué)出版社, [6]趙國瑛 .怎樣銑凸輪 . 北京: 機(jī)械工業(yè)出版社, [7]金貴 .凸輪制造技術(shù) . 北京: 機(jī)械工業(yè)出版社, [8]羅春華 .數(shù)控加工工藝簡明教程 . 北京: 北京理工大學(xué)出版社, [9]余英良 .數(shù)控銑削 . 北京: 化學(xué)工業(yè)出版社, ag an employment tribunal clai Emloyment tribunals sort out disagreements between employers and employees. You may need to make a claim to an employment tribunal if: you don39。 最后 衷心感謝參與論文評(píng)審和答辯的各位老師在百忙之中抽出寶貴的時(shí)間對(duì)作者的論文進(jìn)行評(píng)閱和審議。從最初的選題到到最后定稿, 周慶老師一直給我提供了許多寶貴建議。 因此,在編程中合理確定數(shù)控加工工藝對(duì)實(shí)現(xiàn)優(yōu)質(zhì)、高效和經(jīng)濟(jì)的數(shù)控加工具有極為重要的作用。 % 鉆孔銑削 程序 程序 O0005 N10 G54 G90 G01 Z60 F2022; N20 M03 S800; N30 X0 Y0 Z3 R10 F50; N40 G98 G73 X0 Y0 Z40 Q5 F50; N50 G73 X80 Y0 Z40 R6 Q5 F50; N60 G01 Z60 F2022; N70 M05; N80 M30; % 20 總結(jié) 本文主要研 究了平面凸輪機(jī)構(gòu)的數(shù)控銑削工藝以及在此基礎(chǔ)上的數(shù)控銑床的程序編制。 N90 G02 R72。 % 精銑 19 程序 程序 O0004 N10 G00 G17 G40 G49 G80 G90; N20 Z10 M03 S800; N30 G00 G43 G90 G54 ; N40 Z31 M08; N50 G01 。 N270 G02 R72。 N220 Z31 N230 G01 。 N180 G02 R72。 N130 Z27 N140 G01 。 N90 G02 R72。 N50 G01 。 % 槽型銑削 經(jīng)計(jì)算得: A(,), B(,) , C(,), D(,) E(,), F(,), G(,), H(,) 粗銑 程序 程序 O0003 N10 G00 G17 G49 G80 G90。 凸輪加工程序的編程 程序 程序 O0001 N10 G54 G90 G01 Z40 F2022; N20 M03 S800; N30 G01 X150 Y0; N40 Z3 F100; N50 G42 X100 Y0; N60 M98 P2022; N70 G90 G01 X100 Y0; 子程序 P2022 N10 G91 G01 Z5 F100; N20 G90 G03 X180 Y0 R140; N30 G03 X100 Y0 R140 ; N40 G01 X150 Y0; N50 M99; % 17 N80 M98 P2022; N90 G90 G01 X100 Y0; N100 M98 P2022; N110 G90 G01 X100 Y0; N120 M98 P2022; N130 G90 G01 X100 Y0; N140 M98 P2022; N150 G90 G01 X100 Y0; N160 M98 P2022; N170 G90 G01 X100 Y0; N180 M98 P2022; N190 G90 G01 X100 Y0; N200 M98 P2022; N210 G01 G40 Z40 F2022; N220 M05; N230 M30; % 程序 程序 O0002 N10 G54 G90 G01 Z40 F2022; N20 M03 S800; N30 G01 X150 ; N40 Z8 F100; N50 G42 X90 Y0; N60 G03 X170 Y0 R130; N70 G03 X90 Y0 R130; N80 X70 Y0; N90 G03 X150 Y0 R110; N100 G03 X70 Y0 R110; N110 X50 Y0; N120 G03 X130 Y0 R90; N130 G03 X50 Y0 R90; N170 Z15 F100; N180 X90 Y0; N190 G03 X170 Y0 R130; N200 G03 X90 Y0 R130; N210 X70 Y0; N220 G03 X150 Y0 R110; N230 G03 X70 Y0 R110; N240 X50
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