鏜床
工gong廠chang手shou工gong業ye固gu然ran是shi相xiang對dui落luo後hou的de,但dan是shi它ta卻que鍛duan煉lian和he培pei養yang了le許xu許xu多duo多duo的de技ji工gong,他ta們men雖sui然ran不bu是shi特te地di製zhi造zao機ji器qi的de行xing家jia裏li手shou,但dan他ta們men卻que能neng製zhi造zao各ge種zhong各ge樣yang的de手shou工gong用yong具ju,例li如ru刀dao、鋸、針、鑽、錐、磨以及軸類、套類、齒輪類、床架類等等,其實機器就是由這些零部件組裝而成的。
最早的鏜床設計者——達·芬奇。鏜床被稱為“機械之母”。說起鏜床,還先得說說達·fenqi。zheweichuanqishiderenwu,kenengjiushizuizaoyongyujinshujiagongdetangchuangdeshejizhe。tashejidetangchuangshiyishuilihuojiaotabanzuoweidongli,tangxuedegongjujintiezhegongjianxuanzhuan,gongjianzegudingzaiyongqizhongjidaidongdenuodongtaishang。1540年,另一位畫家畫了一幅《火工術》的畫,也有同樣的鏜床圖。那時的鏜床特地用來對中空鑄件停止精加工。
為大炮炮筒加工而降生的第一台鏜床(威爾金森,1775年)。到了17shiji,youyujunshishangdexuqiu,dapaozhizaoyedekaizhanfeichangjisu,ruhezhizaochudapaodepaotongchenglerenmenjixuchulideyidananti。shijieshangdiyitaizhenzhengdetangchuangshi1775年nian由you威wei爾er金jin森sen創chuang造zao的de。其qi實shi,確que切qie地di說shuo,威wei爾er金jin森sen的de鏜tang床chuang是shi一yi種zhong可ke以yi精jing細xi地di加jia工gong大da炮pao的de鑽zuan孔kong機ji,它ta是shi一yi種zhong空kong心xin圓yuan筒tong形xing鏜tang杆gan,兩liang端duan都dou裝zhuang置zhi在zai軸zhou承cheng上shang。
1728年,威爾金森出生在美國,在他20歲時,遷到斯塔福德郡,建造了比爾斯頓的第一座煉鐵爐。因而,人稱威爾金森為“斯塔福德郡的鐵匠巨匠”。1775年,47歲的威爾金森在他父親的工廠裏經過不時努力,終於製造出了這種能以稀有的精度鑽大炮炮筒的新機器。有意義的是,1808年威爾金森逝世以後,他就葬在本人設計的鑄鐵棺內。
鏜tang床chuang為wei瓦wa特te的de蒸zheng汽qi機ji做zuo出chu了le重zhong要yao奉feng獻xian假jia如ru說shuo沒mei有you蒸zheng汽qi機ji的de話hua,當dang時shi就jiu不bu可ke能neng呈cheng現xian第di一yi次ci工gong業ye反fan動dong的de浪lang潮chao。而er蒸zheng汽qi機ji本ben身shen的de開kai展zhan和he應ying用yong,除chu了le必bi要yao的de社she會hui機ji遇yu之zhi外wai,技ji術shu上shang的de一yi些xie前qian提ti條tiao件jian也ye是shi不bu可ke無wu視shi的de,由you於yu製zhi造zao蒸zheng汽qi機ji的de零ling部bu件jian,遠yuan不bu像xiang木mu匠jiang削xue木mu頭tou那na麼me容rong易yi,要yao把ba金jin屬shu製zhi成cheng一yi些xie特te殊shu外wai形xing,而er且qie加jia工gong的de精jing度du請qing求qiu又you高gao,沒mei有you相xiang應ying的de技ji術shu設she備bei是shi做zuo不bu到dao的de。比bi方fang說shuo,製zhi造zao蒸zheng汽qi機ji的de汽qi缸gang和he活huo塞sai,活huo塞sai製zhi造zao過guo程cheng中zhong所suo請qing求qiu的de外wai徑jing的de精jing度du,能neng夠gou從cong外wai麵mian邊bian量liang尺chi寸cun邊bian停ting止zhi切qie削xue,但dan要yao滿man足zu汽qi缸gang內nei徑jing的de精jing度du請qing求qiu,采cai用yong普pu通tong加jia工gong辦ban法fa就jiu不bu容rong易yi做zuo到dao了le。
斯密頓是十八世紀最優秀的機械技師。斯密頓設計的水車、風車設備達43jianzhiduo。zaizhizaozhengqijishi,simidunzuiganjishoudeshijiagongqigang。yaoxiangjiangyigedaxingdeqigangneiyuanjiagongchengyuanxing,shixiangdangjiannande。weici,simidunzaikaluntiegongchangzhizaoleyitaiqiexueqigangneiyuanyongdeteshujichuang。yongshuichezuodongliqudongdezhezhongtangchuang,zaiqichangzhoudeqianduanzhuangzhishangdaoju,zhezhongdaojunenggouzaiqigangneizhuandong,yicijiunenggoujiagongqineiyuan。youyudaojuzhuangzhizaichangzhoudeqianduan,jiuhuichengxianzhoudenaodudengwenti,suoyi,yaoxiangjiagongchuzhenzhengyuanxingdeqigangshifeichangjiannande。weici,simidunbudebulvcigaidongqigangdeweizhitingzhijiagong。
關於這個難題,威爾金森於1774年nian創chuang造zao的de鏜tang床chuang起qi了le很hen大da的de作zuo用yong。這zhe種zhong鏜tang床chuang應ying用yong水shui輪lun使shi資zi料liao圓yuan筒tong旋xuan轉zhuan,並bing使shi其qi對dui準zhun中zhong心xin固gu定ding的de刀dao具ju推tui進jin,由you於yu刀dao具ju與yu資zi料liao之zhi間jian有you相xiang對dui運yun動dong,資zi料liao就jiu被bei鏜tang出chu準zhun確que度du很hen高gao的de圓yuan柱zhu形xing孔kong洞dong。當dang時shi、用鏜床做出直徑為72英(ying)寸(cun)的(de)汽(qi)缸(gang),誤(wu)差(cha)不(bu)超(chao)越(yue)六(liu)便(bian)士(shi)硬(ying)幣(bi)的(de)厚(hou)度(du)。用(yong)現(xian)代(dai)技(ji)術(shu)權(quan)衡(heng),這(zhe)是(shi)個(ge)很(hen)大(da)的(de)誤(wu)差(cha),但(dan)在(zai)當(dang)時(shi)的(de)條(tiao)件(jian)下(xia),能(neng)到(dao)達(da)這(zhe)個(ge)程(cheng)度(du),曾(zeng)經(jing)是(shi)很(hen)不(bu)簡(jian)單(dan)了(le)。
但是,威爾金森的這項創造沒有申請專利維護,人們紛繁仿製它,裝置它。1802nian,wateyezaishuzhongtandaoleweierjinsendezhexiangchuangzao,bingzaitadesuohuotiegongchanglitingzhifangzhi。yihou,watezaizhizaozhengqijideqiganghehuosaishi,yeyingyongleweierjinsenzhejiashenqidejiqi。yuanlai,duihuosailaishuo,nenggouzaiwaimianyibianliangzhechicun,yibiantingzhiqiexue,danduiqigangjiubunamejiandanle,feiyongtangchuangbuke。dangshi,watejiushiyingyongshuilunshijinshuyuantongxuanzhuan,rangzhongxingudingdedaojuxiangqiantuijin,yongyiqiexueyuantongneibu,jieguo,zhijing75英寸的汽缸,誤差還不到一個硬幣的厚度,這在當對是很先進的了。
工作台升降式鏜床降生(赫頓,1885年)。在以後的幾十年間,人們對威爾金森的鏜床作了許多改良。1885年,英國的赫頓製造了工作台升降式鏜床,這已成為了現代鏜床的雛型。
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