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View the Enertrols Main Catalog featuring industrial shock ...

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EVC Velocity & Feed Controllers with Fine Adjustment<strong>Enertrols</strong> EVC Precision Feed Controls are sealed hydraulicunits fitted with a high precision metering element. When <strong>the</strong>piston rod is depressed <strong>the</strong> hydraulic oil is forced through <strong>the</strong>adjustable precision metering orifice. This provides a constantand precise feed control throughout <strong>the</strong> stroke length. Thefeed rate can be adjusted over a wide range by turning <strong>the</strong>external adjuster knob at <strong>the</strong> rear end of <strong>the</strong> unit. The optionalthreaded outer body helps to simplify installation and <strong>the</strong>adjustment of feed control travel limits.<strong>Enertrols</strong> Precision Feed Controls provide exact speed controlfor machine motion. They are self-contained, maintenancefree, leakproof, temperature stable and stick-slip free. Therolling diaphragm seal, on models 2515 to 2555, providesa hermetically sealed unit and also provides an integralaccumulator for <strong>the</strong> oil displaced during operation. The highprecision, adjustable metering system can provide accuratefeed rates from as little as 0.47 in/min(12 mm/min) with lowpropelling forces.Applications include: saws, cutters, drill feeds, grindingand boring machines in <strong>the</strong> plastics, metal, wood and glassindustries.Technical DataFeed rate range: min. 0.51 in/min with 90 lbs. (0.013 m/minwith 400 N) propelling force. Maximum 1500 in/min with 787lbs. (38 m/min with 3500 N) propelling force.Do not rotate piston rod. If excessive rotation force isapplied, rolling seal may rupture (only applies to EVC 2515 toEVC 2555).Outer body: Smooth body standard 0.94 inch (23.8 mm) dia.,threaded body optional.When mounting take care not to damage <strong>the</strong> adjuster knob.Temperature range: 32° to 140°F (0° to 60°C).Material: Body heavy-duty steel tube with blackoxide. Piston rod with hard chrome plating.Adjustment: Adjust EVC unit by turning adjustmentknob at rear. Zero is full open (fast) and 20 is fullyclosed (slow).Note: If <strong>the</strong> EVC feed control will be in contactwith petroleum based oils or cutting fluids, specifyoptional neoprene rolling seal or install Air BleedCollar model ESP 25 (only applies to EVC 2515 toEVC 2555).EVC Precision Hydraulic Feed Controller, Models 2515-2555Inner TubeO-RingDifferentialAccumulatorWiperPiston RodEnd CapBearingSpacerBladder GuideSpring91AdjusterAdjustment FilterPiston HeadRetaining Ring23435 Industrial Park Dr., Farmington Hills, MI 48335 • p: 734-595-4500f: 734-595-6410 • customerservice@enertrols.com • www.enertrols.com

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