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Linear Positioners Catalog_en-US_revA - Kollmorgen

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Electric Cylinders Are Preferred Wh<strong>en</strong>:• Positioning an externally guided and supported load.• Moving a load that pivots.• There is a high conc<strong>en</strong>tration of airborne contaminants (rodless positionersare inher<strong>en</strong>tly less well protected).• Replacing a hydraulic or pneumatic cylinder with an electro-mechanicalsolution.Kollmorg<strong>en</strong> offers electric cylinder drive mechanisms designed aroundeither lead screws or ballscrews. Ballscrews, being the more effici<strong>en</strong>tof the two, utilize ballnuts riding on recirculating ball bearings resultingin higher speeds, loads and cycle rates. However, the more effici<strong>en</strong>tdesign of ballscrew technology l<strong>en</strong>ds it to being backdriv<strong>en</strong> wh<strong>en</strong>power is removed if precautions are not tak<strong>en</strong> (e.g., electric brakes orcounter loading).Lead screws are capable of holding the load in position wh<strong>en</strong> power isremoved, but are less effici<strong>en</strong>t in operation.Kollmorg<strong>en</strong>’s guide system prev<strong>en</strong>ts rotation of the ball / lead nut, thuseliminating any torque loading to machine linkage.EC Servo <strong>Linear</strong> <strong>Positioners</strong>• Designed for performance• Highest quality precision rolled ballscrews and leadscrews – for quiet, long-life operation• Brushless Servo with <strong>en</strong>coder, resolver or SFD feedback• Stepper motors are also available• Sealed for IP54 protection and IP65 option available• Thrust up to 25000 N [5620 lb]• Speed up to 1.3 m/s [52.5 in/s]• Metric design (ISO 6431)• Available in 5 power ranges – EC1, 2, 3, 4 & 5N2 Servo <strong>Linear</strong> <strong>Positioners</strong>• Smallest Package Size• Time-Prov<strong>en</strong> Design• Improved Durability Over Previous Designs• Thrust up to 2670 N [600 lb]• Speed up to 0.76 m/s [30 in/sec]• English dim<strong>en</strong>sions (to NFPA standards)• Brushless Servo with <strong>en</strong>coder, resolver or SFD feedbackL I N E A R P O S I T I O N E R STypical Construction (EC2 cut-away shown)Brushless servomotors(not shown) with quickdisconnect cabling anda variety of feedbackoptions.Wiper seal on polished stainlesssteel output tube keeps contaminantsout and lubricants in.Metric (ISO 6431) and Englishrod <strong>en</strong>ds available.Ground stainless steelthrust tube for long wearand corrosion resistance.Timing belt and geareddrives providelong life with a wide varietyof drive ratios.Angular contact bearings<strong>en</strong>sure long life with minimalbacklash.Recirculating ballscrews andlead screws provide smooth, highthrust drive. Lead screws hold loadwithout power.Front sleeve bearingsupports side loads andminimizes runout.Housing is hard-coat dized and teflon coated foranolonglife, perman<strong>en</strong>t lubrication,resistant to corrosion,and protection of all internalcompon<strong>en</strong>ts.www.kollmorg<strong>en</strong>.com7

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