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1、ThedevelopmentoftheChinamachineryChinaistheworld'sfirstnationalmachinerydevelopment.ChinesemechanicalengineeringtechnologynotonlyhasalonghistoryandsplendidachievementsinChineseisnotonlythematerialcultureandsocialeconomicdevelopmentplaysanimportantroleintheworld,andtopromotetheprogressofcivi
2、lization,technologyhasmadegreatcontributiontoChinesetraditionalmachine.Andinalongperiodaheadintheworld.Inmoderntimes,especiallyfromtheearly18thcentury,duetothenineteenforties,duetotheeconomicandsocialreasons,suchastheChinamachineryindustry,stagnation,inthe100yearsiswesternbourgeoispolitical
3、revolutionandindustrialrevolution,mechanicalscienceandtechnologyisdevelopingrapidly,andfarmorethanthelevelofChina.So,Chinamechanicaldevelopmentlevelandthewesterngapwidens,sharplytothe19thcenturymiddlebehindwesternonehundredyears.AfterthefoundingofnewChina,especiallyinthepast30years,ourcount
4、ry'smechanicalscienceandtechnologydevelopmentspeed.Tothemechanicalproductlarge-scale,precision,automationanddiscussesthetrendofdevelopment.Insomeaspectshasreachedorexceededtheworldadvancedlevel.Generallyspeaking,currentlyChinamechanicalscienceandtechnologyachievementishuge,developingfast,hi
5、ghlevelofunprecedented.Inthisperiod,Chinahasnoendofmechanicalscienceandtechnologywilldeveloptoahigherlevel.Aslongaswecanadoptthecorrectpolicy,withgoodtechnologydevelopmentandinnovation,ourmachineryindustryandmechanicaltechnologycanrevitalize,leadingtothedevelopmenttrendofmechanicalindustry.
6、In1964,changshaconstructionmachineryinstituteHB120developedmovabletype,In1977,changshaconstructionmachineryfactorybuildingsanddevelopedinliuzhouHZR250typeandtheHZR70typevibratingplateram,In1983,changshaconstructionmachineryinstituteandthejointdevelopmentofhubeivibrationinthefirstHZR70typevi
7、brationshockramming,Themechanicalprocessing:Accordingtothearchaeologicaldiscovery,hot-workingcastinginBeijingpinggu,changpingandsohaveprovedthatthe16thcenturyBCshangdynasty(bronzeobjects.Mingyongle(1403-1424years),Beijingproduceworld-renownedMingyonglegr