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Linear Positioners Catalog_en-US_revA - Kollmorgen

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N2 Series Electric Cylinders: G<strong>en</strong>eral SpecificationsTravel L<strong>en</strong>gthsCylinder Stroke Designator/Effective Travel L<strong>en</strong>gthsStroke l<strong>en</strong>gth designator [in] 2.0 4.0 6.0 8.0 12.0 *18.0 *24.0Effective Travel L<strong>en</strong>gth [in] 2.0 4.0 6.0 8.0 12.0 16.5 22.5* Dual rod-<strong>en</strong>d bearing required for 18 inch and 24 inch stroke units.* Effective travel reduced by 1.5 inches respectively with dual rod-<strong>en</strong>d bearing.Custom travel l<strong>en</strong>gths are available.Construction MaterialsBearing HousingsCylinder HousingThrust TubeWiper sealSpeed Reducer VersionsBelt/PulleyHelical GearingSupport BearingsTransport Screw VersionsBallscrewBallnutLead screwLead nutType 380 die cast aluminum, epoxy coated6063-T6 aluminum, hard-coated anodized and Teflon ® coated304 Series Stainless Steel, 1/4 hard, ground and polishedPolyurethaneAT-5, polyurethane with steel t<strong>en</strong>sile cordsAlloy steel, case hard<strong>en</strong>edBall bearingsCarbon steel screwAlloy steel, heat-treated ballnutCarbon steel screwBronze lead nut (standard, recomm<strong>en</strong>ded for servo system)(Lubricated polyacetal plastic drive nut also available but notrecomm<strong>en</strong>ded for use with servomotor based systems.)L I N E A R P O S I T I O N E R SSystem SpecificationsElectricCylinderScrew-NutTypePitch[revs/in]ScrewDiameter[in]Effici<strong>en</strong>cy[%]MinimumBackdriveLoad [lb]MaximumThrust[lb]MaximumSpeed[in/s]Backlash[mm (in)]Repeatability[mm/300mm (in/ft)]N2-2B Ballscrew 2.0 0.625 90 10 * 552 ** 30 0.38 (0.015) +/-0.15 (+/-0.006)N2-5B Ballscrew 5.0 0.625 90 20 600 12 0.38 (0.015) +/-0.15 (+/-0.006)N2-5A-BZ Bronze 5.0 0.625 40 400 600 ** 12 0.40 (0.016) +/-0.75 (+/-0.003)* Thrust limited by AKM23 motor/drive T peak limit.** Maximum speed and Maximum Thrust specification define range of N2 series; not available on the same unit.See Thrust Speed curves (pages 25, 26) for compreh<strong>en</strong>sive details.Weight (approximate, without options)Cylinder- Motor Weight [ kg ] Weight [ lbs ]N2-AKM23 = 2.28 + 0.11 x [in stroke] = 5.0 + 0.25 x [in stroke]Brushless ServomotorForce Speed Cuves See pages 25, 26Servo System Specifications See page 66Dim<strong>en</strong>sions See page 118www.kollmorg<strong>en</strong>.com9

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