iialttiiiSiil EqupmentforSpecUse■SMR-3/8 X 3/4 (shaft for the master punch)■Work procedure ■SPR-3/8 X 3/4 (shaft for the port punch)■SPR-3/4 X 3/4 (shaft for the port punch)lillersllBoltTensonersCoupngPuBearingPuMastPunchPortPunchSandardPressSandserPressStandsMntraghtenersersRodCuttersPunchngsCabeCutters■Types of cutters for thick steel conduits and compatible shafts, nuts, and washersCutters Shared by the Master Punch and Port Punch for Electrical ConduitsCompatible thin steel conduitFor the master punchFor the port punchWP-20WM-20WP-10WM-10WasherCompatible thin steel conduitFor the master punchFor the port punchConduit No.WM-20WM-20WM-10WM-10Not neededShaftFor the master punchFor the port punchSMR-3/8 x 3/4SPR-3/8 x 3/4SMR-3/4 x 3/4SPR-3/4 x 3/4ShaftFor the master punchFor the port punchSMR-3/8 x 3/4SPR-3/8 x 3/4SMR-3/4 x 3/4SPR-3/4 x 3/4NutFor the master punchFor the port punchNot neededNUT-3/4NutFor the master punchFor the port punchNot neededNUT-3/4■SMR-3/4 X 3/4 (shaft for the master punch)No.79E since2025External diameterConduit No.15ϕ 15.919ϕ 19.125ϕ 25.431ϕ 31.839ϕ 38.151ϕ 50.863ϕ 63.575ϕ 76.2External diameter16ϕ 21.022ϕ 26.528ϕ 33.336ϕ 41.942ϕ 47.854ϕ 59.670ϕ 75.282ϕ 87.992ϕ 100.7104ϕ 113.4●Designed to make a hole through which a pipe called a thin steel (or thick steel) conduit runs.■Types of cutters for thin steel conduits and compatible shafts, nuts, and washersWasherCutter model No.Punching dimensionUSU-5/8ϕ 17.6USU-3/4ϕ 19.75USU-1ϕ 26.1USU-1 1/4ϕ 32.5USU-1 1/2ϕ 38.7USU-2ϕ 51.6USU-2 1/2ϕ 64.4USU-3ϕ 77.2Cutter model No.Punching dimensionATU-1/2ϕ 21.8ATU-3/4ϕ 27.3ATU-1ϕ 34.1ATU-1 1/4ϕ 42.7ATU-1 1/2ϕ 48.7ATU-2ϕ 60.5ATU-2 1/2ϕ 76.1ATU-3ϕ 88.9ATU-3 1/2ϕ 102.8ATU-4ϕ 115.5(e.g. for punching a hole with a diameter of 50 mm)(1)Make a pilot hole with a diameter of 10 mm in the steel plate using a drill.(2)Make a hole into which a 3/4 x 3/4 shaft is inserted, using a cutter with a diameter of approx. 20 mm and a 3/8 x 3/4 shaft.(3)Make a hole using a cutter with a diameter of approx. 50 mm and a 3/4 x 3/4 shaft.Master Punch/Port Punch●Retract the cylinder piston immediately after making holes. Failure to do so damages the shaft and the cutter.●Never apply pressure to the SR-225VC cylinder when the piston is reached at the stroke end.(The piston stroke must be within 28 mm.)Otherwise, the piston may be ejected.198
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