英文原文Thefirstchaptersawknowledgeintroduction1889-poolshellisafoundedin1889inJapansawingmachinemanufacturer,hasmadeJapansfirstlathe.1898-CompanyProfile:thecompany(AugustMoessnerGmbHGermanMoessner+Co.KG)wasfoundedin1898,islocatedinthetown30kilometerseastofStuttgart,Shah(Eschache),isafamousGermanmanufacturingprecisionsawingmachine.1919-thelonghistoryofGermanBEHRINGERGmbHbyAugusteBEHRINGERwasfoundedin1919,initiallyonlyamechanicalrepairplant.AfterWorldWarIIbuiltafoundry,andbeginproductionofsawingmachine.Today,thecompanystillcoverstheproductionfromrawmaterialstotheentireprocessofthemachine.Atpresent,BEHRINGERthethirdgenerationofthefamilyhastakenoverthemanagementofthecompany.Superiorqualityofbandsawmachineisthecompanysleadingproductdesign,manufacturing,usingthelatesttechnology.Thebedisfirm,thesawbowheavyandhard,sawingefficient,accurate,durablesystem.1927-ShanghaiwoodwingmachinerycompanybyShanghaiWoodworkingMachineryFactoryassetsrestructuringandtheestablishment,theoriginalShanghaiwoodworkingmachineryfactoryfoundedin1927,isChinasearliestwoodworkingmachinerymanufacturingenterprises,isoneoftheoriginalmechanicalandelectricalindustrykeyenterprises.ThecompanyinheritedtheintangibleassetsofShanghaiwoodworkingmachineryfactorybrandandtechnology,technology,production,salestoretainpartofbackbonepersonnel.Therearenearlyahundredkindsofproducts,productlineisdividedintosaws,planers.1933-theUnitedStatesofAmericaDOALLcompanyin1933byMr.LeightonA.Wilkieinventedtheworldsfirstsawingmachine,theinventionofthebimetalsawblade,hardalloysawblade,highcarbonsteelblade,superpowderalloysawblade,sawbladeiscoatedwithtitaniumnitride.DOALLisfamousforitsquality.1944-theSwedishcompanyHAKANSSONistheworldssecondproductionofdoublemetalbandsawbladeenterprises,alonghistory,stableproductquality,HAKANSSONbandsawbladequalityandcheapqualitytomakeitbecomethemajorityofsmallandmedium-sizedenterprisespreferred.1937-Jinantwosawgroup,whichwasfoundedin1937fromtheoldstate-ownedheavygroup,ChinadevelopedthefirstheavyLongmenplanerhas,hasprioritytodomesticmachineindustry,Chinasfirstfullyautomaticcarcoveringpartsstampingline,sothatthetwomachinetoolgrouphasbecomeanimportantsupplierofautomobilemanufacturersathomeandabroad.TheAmericancarmanufacturergeneralenterpriseheadquartersaswellasinCanada,Thailand,Britain,ShanghaiandShandong,apluralityofstampingproductionlinefromalltwosawgroup.1940-inthespringisintheair.,Baihuasontofightbeautifulseason,Chongqingsawfactoryallstaffwiththeheavymachinedeepkindnessandgoodbeginning,keepingpacewiththetimes,pioneeringandinnovative,forgePinbo,selflesscontribution,createdabrilliantnewheavymachine,composedacolorfulpictureofheavymachine.FoundedinApril1,1940,Chongqingmachinefactoryisthenationalmachineryindustrykeyenterprisesfocus,thebirthplaceofgearmachineinchina.AfterhalfcenturyandhardPinbo,fromasmallfactorytogrowascompletetoothfacilitiesthroughoutthecountryslargestproductionbase,industrypacesetter.1946-AmadaAmadaCorporationwasfoundedin1946,headquarteredinjapan.Afteryearsofdevelopment,thecompanyhasbecomeoneofthemostprofessionalmanufacturerintheworldofsheetmetalmachineryindustrysales,producthasbeenleadingtheworldinsheetmetalindustry.Companymainproducts:CNCpunching,lasercuttingmachine,bendingmachine,shearingmachine,bandsawmachine,allkindsofsheetmetalmoldetc.AmadaInternationalTrading(Shenzhen)Co.,LtdbelongtotheAMADAgroupcompany,themainbusinessscopeistobuildthesalesnetworkinChinasSouthernChinaregion,providingtechnicalconsulting,customerservice,afullrangeofservicestoourcustomers.1951-HunanmachinetoolfactoryisoneofthekeyenterprisesofChinasmachinetoolindustry,thefactorywasfoundedin1951,Chinahasalonghistory,thelargestmetalsawandbandsawfactoryspecializingintheproductionof.Laterin1968,Hunanmachinetoolplantintroducedfromabroadthebandsawingmachine,andthencopy.Itshouldbesaidthattheinformationisspirit,thinkingahead,theearlieststart.Thefirstbatchofmorethanten,thebandsawbladeismadeofforeignexchangetobuy,tendollarspermetre,threemetrelongbandsawthevalueoffivehundredorsixhundredyuan.Duetothedoublemetalbandsawbladebelongstothetoolconsumables,unabletobuydomesticproductiononlybandsawingmachine,stranding.Atpresent,Hunanmachinetoolfactorymainproductsarebowsaw,circularsaw,bandsawmachine,grindingmachine,sandline(beltcuttingmachineanddoublemetalbandsawaseriesoffiveseatsmorethan70varieties,productssoldathomeandabroad,favoredbythemajorityofusers.1958-three-doorsaber-toothedtigerelectromechanicalManufacturingCo.Ltd.(formerlyZhejiangthreemachinetoolplant)wasfoundedin1958,hasnearlyfiftyyearsofmechanicalprocessingandmanufacturinghistory,isthefirstproductionofoneofthemetalbowsawingmachinemanufacturingandthebandsawingmachineenterprises,iscurrentlythefocusofoneoftheproductionenterprisesofourcountrymetalbandsawbed,ChinaMachineToolIndustryAssociationmemberunits,unitsofpermanentsawingmachine.1965-BelgiumHACOgroupwasfoundedin1965,isoneoftheworldslargestsheetmetalequipmentmanufacturers,indozensofcountriesaroundtheworldsetupproductionplants.Themainproducts:threeaxismachiningcenter；4axismachiningcenter；5axismachiningcenterCNCsawingmachine；double；singleheadsaw；anglemachine.1966-HaianKingNetMachineryManufacturingCo.,Ltd.wasfoundedin1966,coversanareaof20acres,theformerstate-ownedHaiansecondmachineryrepairfactoryrestructuring,hasdevelopedandproducedaseriesofworkersandpeasantsthreshingmachine,5TFS-50typetangentialflowdoubledrumhalfduplexthresherthreshingmachine,5TJ-70type,9ST-1000typefeedprocessingcompletesetsofequipmentandothermachineryproducts,industrialproductsareG72hacksawingmachine,semi-automatichorizontalbandsawingmachine.1970-CangzhouWeitesawingmachineannexproductionlimitedcompanyislocatedinCangzhou,foundedin1970,specializingintheproductionofallkindsofsawingmachineprotectivecover,seriesofconveyortypestowline,lampsandothermachineannex.1972-CangzhouYunhuaCNCsawingmachineannexlimitedenterprise:foundedin1972,theenterpriseissawingmachinecorporationmembers.Withtheprogressandproductionfacilitiesandstrongscientificandtechnologicalstrength,richproductionexperienceandstrictqualitymanagementscale,athomeandabroadintheindustryistheevaluationoflargeenterprises.ThecompanyspecializesintheproductionofCNCsawingmachine,sawingmachinefacilitiesandotherkindsofconventional,sawingmachineannexandparts.1982-ShanghaiminChuanJulibrandbandsawingmachine,Mingawafoundedin1982,isthefirstdomesticR&D,productionofoneofthebandsawingmachine.AsapermanentmemberoftheNationalAssociationofsawingmachine.Productshavebeenawardedthenationalnewtechnologyandnewproductexpositiongoldmedal.1984-BoyeNorthsawIndustryCo.,Ltd.(formerHebeimachinefactory),batchproductionin1984thebandsawingmachinesawingmachine,thelargestprofessionalfactory,withvariousmodelsofhorizontal,verticalsemi-automatic,fullyautomaticbandsawingmachine.1985-ZhejiangKaidaMachineryToolsCo.,Ltd.,foundedin1985,specializingintheresearchandproductionofmachinetoolsandthebandsawingmachine,hastheabundanttechnicalforce,excellentequipmentandadvancedproductiontechnology,isaprofessionalmanufacturerofsawingmachine.CompanyproductionofAlQaedabrandofhorizontal,vertical,verticalcolumntype,Longmentypeseriesautomatic,semi-automaticmetalbandsawingmachine,withhightechnologycontent,highefficiencyandenergysaving,reasonablestructure,stablequalityandsoon.ZhejiangChenlongsawingmachineLimitedbyShareLtd(formerlyChenlongsawingmachinegroup)wasfoundedin1985,hasaplantareaof66000squaremeters,thetotalassetsof110000000yuan,isoneofthelargestmachinemanufactureratpresent,isthedeputydirectorofChinasawingindustryassociationunit.Withstrongtechnicalstrength,sophisticatedproductionequipmentandadvancedproductiontechnology,theenterprisesfirstimplementationof6Smanagement,passedtheISO9001qualitysystemcertification,ISO14001environmentalsystemcertificationandOHSAS18001occupationhealthandsafetycertificationintheindustry,andunremittinglyforcontinuousimprovement.1987-ZhejiangjulihuangsawingmachineGroupCo.,Ltd.wasfoundedin1987,specializingintheproductionofjulihuangsawingmachine.brandseriesofproductsthroughtheISO9001qualitysystemcertification,withadvancedtechnology,stableperformance,repeatedlybythemunicipal,provincial,nationalprize,hasbeenawarded8Nationalpatents.ZhejiangYandangMountainMachineToolCo.,Ltd.wasfoundedin1987,specializinginmetalbandsawingmachineandstonecuttingbandsawingmachine,doublemetalbandsawblade,diamondsawblade,hardalloysawbladeresearchandproduction.1988-ZhejiangWeirenMachineryCo.Ltd.(ZhejiangJinyunQiujingMachineryFactory)wasfoundedin1988,hasaplantareaof23000squaremeters.Totalassetsof18000000yuan,isaprofessionalmanufacturerofcuttingmachinetools,keyenterprisesinthecounty.WeiRen(theoriginalrefinement)cardmachine(GB4028-42120horizontalseries,largevertical,doublecolumnseries.1990-ZibocityZichuanHongjiemachineryfactorywasfoundedin1990,thecompanysuccessfullydevelopedtheworldsfirstdoublecolumncylinderguidemetalbandsawingmachine.Fillablankcuttingtheindustryathomeandabroad.Beishouqinglaiputonthemarket,itisarevolutionofthesawingindustry.NumericalcontrolefficiencyisChinasawthedevelopmenttrendInthetraditionalsenseofmetalcuttingareoftenthoughtofasasimplecuttingblankingprocess.Withthedevelopmentofmodernmanufacturingindustrytowardhighefficiency,highprecisionandeconomicdirection,cuttingasthecuttingpoint,hasbecometheimportantlinkintheprocessofmachiningparts.Sawingcansavematerial,reducetwoprocessingcapacityandimprovetheproductionefficiency,thereforesawespeciallyautomationmachinehasbeenwidelyusedinironandsteel,machinery,automobile,shipbuilding,petroleum,miningandaerospaceandotherfieldsofnationaleconomy.Hacksawingmachine,circularsawingmachine,bandsawisthethreemainformsofthesawingmachine,bandsawmachineisgraduallyreplacingthetraditionalbowsawsandcircularsawingmachineandbegantodominateAlthoughthebandsawingmachinedevelopment,popularizationoftherelativelyshorthistory,butsignificanttechnicalprogress.Thelastcentury60scut150mmsteel45needs1520min,todayonly1.52min,30yearstheefficiencyisimprovedby10times.Inthematerialutilizationrateofbandsawingmachinealsohasobviousadvantages,suchascuttingoff100mmsNo.45steelmouth,sawcomparedtorawmaterialscanbesaved56%bandsawingmachinewiththebow,com