ul745-2-1_1995-03_ drills

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1、Fehler!Textmarkenichtdefiniert.ParticularRequirementsforDrillsMarch23,1995March23,1995CSA-C22.2No.745-2-1tUL745-2-13ContentsPreface5Foreword(CSA)7Foreword(UL)91.Scope112.Definitions113.Generalrequirement124.Generalnotesontests125.Rating126.Classification127.Marking128.Protectionagains

2、telectricshock139.Starting1310.Inputandcurrent1311.Heating1312.Leakagecurrent1313.Radioandtelevisioninterferencesuppression1314.Moistureresistance1315.Insulationresistanceandelectricstrength1316.Endurance1317.Abnormaloperation1418.Mechanicalhazards1419.Mechanicalstrength1420.Construct

3、ion154CSA-C22.2No.745-2-1tUL745-2-1March23,199521.Internalwiring1522.Components1523.Supplyconnectionandexternalflexiblecablesandcords1524.Terminalsforexternalconductors1525.Provisionforearthing1526.Screwsandconnections1527.Creepagedistances,clearancesanddistancesthroughinsulation1628.

4、Resistancetoheat,fireandtracking1629.Resistancetorusting1630.TestsbyManufacturers1631.Instructions16AppendixA—Thermalcut-outsandoverloadreleases17AppendixB—ElectronicCircuits17AppendixC—Constructionofsafetyisolatingtransformers17AppendixD—Measurementofcreepagedistancesandclearances17A

5、ppendixE—Referencestandards17AppendixF—Attachmentsandaccessories17AppendixG—Sequenceoftests17AppendixH—Translations18Figures19March23,1995CSA-C22.2No.745-2-1tUL745-2-1111.ScopeThisclauseofPart1isapplicable,exceptasfollows:1.1Fehler!Textmarkenichtdefiniert.Replacement:Thisstandardappli

6、estodrillsandimpactdrills.2.DefinitionsThisclauseofPart1isapplicable,exceptasfollows:2.2.23Fehler!Textmarkenichtdefiniert.Replacement:Normalloaddenotestheloadobtainedwhenthedrill,placedinahorizontalposition,isoperatedcontinuously,thetorqueappliedtothespindlebeingsuchthattheoutputinwat

7、tsisequalto:-10DfordrillshavingDupto6.5mm;-13DfordrillshavingDfrom6.5upto10mm;-15DfordrillshavingDabove10mm.whereDisequivalentto:-eitherthemaximumdiameter,inmillimeters,ofthelargestborermarkedonthechuck,fordrillssuppliedwithachuck,or-themaximumdiameter,inmillimeters,oftheborerfordrill

8、ingst