Excavators - 8 Pages

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Main headquarters, engineering and manufacturing facility in Lincolnshire Illinois, just north of Chicago. European headquarters, engineering and manufacturing facility in Birmingham, England. Precision machining facility in Lincolnshire, Illinois. Asian/Pacific headquarters, precision machining and manifold assembly facility in Changzhou, China, near Shanghai. Electro Hydraulic CONTROL SOLUTIONS Visit our website: www.hydraforce.com HYDRAFORCE INC HYDRAFORCE HYDRAULICS LTD St. Stephens Street Birmingham B6 4RG England Phone: 0121 333 1800 Fax: 0121 333 1810 Member: National Fluid Power Assoc. ISO 9001 Member: British Fluid Power Assoc. ISO 9001 & ISO 14001 HYDRAFORCE HYDRAULICS – INDIA Vatika Business Centre Suite No. 22, Level 5, C Wing Techpark One, Airport Road Yerwada, Pune 411006 Maharashtra, India Tel: +91 020 40111304 Fax: +91 020 40111105 Email: bharatb@hydraforce.com HYDRAFORCE HYDRAULIC SYSTEMS (CHANGZHOU) CO., LTD 388 W. Huanghe Road, Building 15A GDH Changzhou Airport Indl Park Xinbei District Changzhou, China 213022 Phone: +86 519 6988 1200 ISO 9001 HydraForce, Inc. (USA): DUNS #13-120-1493; FSCM #005K6 Fed. Tax #36-3555856 ISO 9001 Registered Member of National Fluid Power Association #306, Mirim Plaza 1132-1, Jungdong, Wonmigu, Bucheon, Kyunggido, Korea Tel: +82 32 328 2170 Fax: +82 32 328 2172 Email: jong-seongl@hydraforce.com HydraForce Hydraulics Ltd. (U.K.): Reg. in Cardiff.; Reg. No. 2286591 ISO 9001 and ISO 14001 Registered Member of British Fluid Power Association HydraForce valves meet RoHS environmental requirements restricting the use of cadmium, quick silver, lead hexavalent chrome, polybrominated biphenyl (PPB) or polybrominated diphenyl ester (PPDE) in products, components and packing materials. All HydraForce products meet requirements limiting the use of hazardous materials as indentified in OSHA Standard 1910.1200(g). © Copyright 2012 HydraForce, Inc. All rights reserved. HydraForce and the HydraForce logo are registered trademarks of HydraForce, Inc.

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TABLE OF CONTENTS Mini and mid-range excavators up to 20 tons can gain the greatest benefit from inventive application of electrohydraulic controls. Virtually all movements of the cab, boom, arm, and bucket are hydraulically controlled and easy to integrate into hydraulic manifolds. HydraForce, with its comprehensive line of cartridge valves and manifold capabilities, can provide numerous custom control solutions for excavators. Fixed or adaptable Improved safety Efficiency Increased functionality Wide range of adaptable solutions for precise control Stand-alone or custom manifold designs...

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Transmission Drive Motors Fan Drives Clutch POWERTRAIN Excavator Transmission Solution Excavator powertrain solutions encompass improvements on the transmission, drive motors, fan drives and clutch. Reducing emissions, noise, and vibration and improving speed, power and cooling are the goals. Operator comfort and productivity can be enhanced with improved fan and transmission control. Here are some ideas. Four TS98-T34 valves are used to shift clutch packs. The TS98-T34 valve is a cost-effective, pilot-operated, spool-type proportional pressure reducing/relieving valve with a built-in...

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Bucket Control Arm Control Boom Control Pressure Spike Solution Basic Boom Suspension Circuit Here’s a clever way to solve the issue of pressure spikes. An EP valve can be used to reduce the overshoot spike in a closed center load-sensing system by popping open momentarily, allowing the hydraulic pump time to de-stroke when needed. As long as the spring value of the valve is slightly higher than the low-pressure standby setting of the pump, the valve will stay closed until the cylinder bottoms out. Since load-sense pressure is not maintained, the valve will open while the pump de-strokes,...

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Boom Bucket Swing/Slew Motor Steering MAIN CONTROLS Excavating on a mountainside or in a riverbed can be easily accomplished with the help of a “walking” excavator. Its wheels are mounted on foldable “legs” that are controlled hydraulically by the same manifold that provides steering control. When the excavator works in a riverbed, the manifold and cartridge valving can be totally submerged in water, thanks to their corrosion-resistant coating. As excavator power and sophistication increase, so do flow rates. HydraForce SPCL16-40 valves control up to 152 lpm (40 gpm) while holding loads...

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Breaker Grapple Hammer Auger Quick Coupler ANCILLARY FUNCTIONS Excavators, especially the mini- and midi-sized models, can do much more than earthmoving and excavation. With the right attachments, an excavator can also be used for demolition, drilling, and material-handling – all with the power of electro-hydraulic control. Hammer Valve for Breaker Quick Coupler Manifold Pilot Control Manifold for a Mini-Excavator Grapple This circuit provides responsive and smooth control of the fixed gear pump system for the breaker on a hydraulic excavator, using a solenoid valve, compensator, needle...

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VALVES AND ELECTRONIC CONTROLS SPCL16-30 Proportional Directional Control, 3-Port, Normally Closed with Check Isolated Load Sense Proportional Directional Control, 4-Port, Normally Closed with Check Isolated Load Sense Electronic Controls Model ECU-0710 Up to 27 inputs, consisting of digital, pulse, current measuring feedback and analog. A total of seven output configurations can be set, including six PWM or digital high-side drivers and a single low-side driver. Up to 52 inputs and 20 outputs consisting of up to eight PWM or 20 digital high-side drivers. Pressure Reducing/Relieving Valve...

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HydraForce Vision The HydraForce story began in 1985 when the company was founded near Chicago by several partners who saw the mobile equipment industry’s need for quality hydraulic cartridge valves and manifolds delivered in a timely and responsive manner. They also saw the potential for engineering innovation and design flexibility offered by cost-effective and space-saving cartridge valves and hydraulic integrated circuits. To Be An Independent Provider Of Innovative Technical Solutions That Can Change The World Mission Statement To Provide Our Customers With The Highest Quality...

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