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  • KUBOTA MINI EXCAVATOR - GAP Group

    Aug 20, 2021 · The working pressure is 160 bar. As a special highlight, the DKB881 has a pivoting excavator arm (articulated – 120°), so that an even larger area can be covered during excavation without having to move the mini-excavator.

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  • US20100236232A1 - Drive for a Hydraulic Excavator - Google

    The present invention relates to a drive for an excavator with a number of individual drives, such as a slewing gear drive, a hoist drive, a bucket drive and an arm drive, wherein for the slewing gear drive two reversible adjusting units are provided, which are at least coupled with an energy accumulator.

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  • Test & Adjust Doosan Ex | PDF | Engines | Pump

    Jun 27, 2011 · Hi willie, well i would like a bit more digging force. The pump pressure on my yanmar vio 45-5 is 3130 psi and on the 55-5 its 3555 psi but both machines have the same motor and pump, the only difference is the 55-5 counter weight is 470 kg heaver then the 45-5 and the arm is 300 mm longer.

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  • HYDRAULIC EXCAVATORS SK200 - Wohlgenannt

    With max. discharge pressure set at a high 34.3 MPa, the SK200/SK200LC MARK-VI SUPER has power to spare •New bucket-clatter adjustment mechanism improves durability. Filter life extended to 1,000 hours Max. discharge pressure Boom, arm and bucket: 34.3 …

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  • XN08 mini-excavator pressure test - YouTube

    First test of hydraulic pressure on my XN08 mini-X. I made up a pigtail connection to adapt the metric hose to a JIC fitting, and a hydraulic gauge. I used

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  • Komatsu excavator pilot pressure system and sensor

    Nov 15, 2018 · The load P2 is lower than the PR spring (3) output from the self-pressure reducing valve and the PR pressure pushes the valve (2) to the left 1 → the opening between P2 reduces the pressure P1 × d1 area ≈ the force of the spring (3) + PR pressure ×d1 area P1→P2 opening is adjusted so that pressure P1 is higher than pressure PRPR pressure exceeds set pressure cone valve Self-reducing …

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  • Path Planning for Excavator Arm: Fuzzy Logic Control Approach

    This paper proposes an algorithm to design the path for automated excavator arm. The path designing is divided into two phases. Firstly, the fuzzy logic technique is used to determine the change of the path to adapt with the variation of the material after each digging period. Secondly, the B-spline algorithm is used to build the optimal trajectory.

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  • Excavator with pivoting arm at HZC Power GmbH

    Analysis Of Cause Of Excavator Dropping Arm And Principle

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  • These maintenance measures for long arm excavators you

    Oct 08, 2021 · The long arm excavators is weak. The size of the digging force is determined by the output pressure of the main pump, and whether the engine is holding back depends on the relationship between the absorption torque of the oil pump and the output torque of the engine. You can adjust the machine by turning the adjustment screw. ②The

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  • Komatsu Hydraulic Excavator PC75UU Repair Service Manual

    sebm000401 - hydraulic excavator pc75uu-1 shop manual.pdf sebm001302 228 adtusting fuel control linkage229 testing and adjusting hydraulic pressure in work equipment, swing, travel 247 procedure for adjustment when installing long arm, slide arm

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  • Hydraulic EXCAVATOR how it works? excavator working principle

    May 27, 2019 · A hydraulic excavator is a machine that has mechanical, electronic, and hydraulic components used together to achieve excellent performance in the areas of mining and construction. In general, the engine of a hydraulic excavator is a 4-stroke diesel engine. Its mechanical arm has the facility to incorporate different tools to perform work on

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  • Technical Specifications for 320 Hydraulic Excavators

    Oct 25, 2017 · 320 Hydraulic Excavator Specifications Operating Weight and Ground Pressure 790 mm (31 in) Triple Grouser Shoes Weight Ground Pressure 4.2 mt (9,300 lb) Counterweight + Base Machine Reach Boom + R2.9 (9'6") Stick + 1.19 m3 (1.56 yd3) HD Bucket 22 500 kg 49,600 lb 35.5 kPa 5.2 psi 4.7 mt (10,400 lb) Counterweight + Base Machine

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  • EXCAVATOR AND CONTROL VALVE FOR EXCAVATOR - …

    Sep 19, 2018 · The control valve for the excavator according to claim 8, wherein the hydraulic oil flowing through the arm-use second spool valve reaches the arm cylinder through an arm-use bridge pipeline, and the arm-use bridge pipeline causes the parallel pipeline to selectively communicate with either one of an arm bottom pipeline or an arm rod pipeline.

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  • XCAVATOR PC400LC-6

    name it. Never has there been an excavator so easy to operate, so natural, so intuitive, so responsive. HydrauMind allows the load-sensing and pressure compensating valves to automatically adjust to individual work applications. Adjustments are sensed by the valves. Electronic controls maximize the engine horsepower so

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  • Mini Excavator Design And Analysis - IJISRT

    Analysis Of Cause Of Excavator Dropping Arm And Principle

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  • Analysis Of Cause Of Excavator Dropping Arm And Principle

    Analysis Of Cause Of Excavator Dropping Arm And Principle Checking Carefully Jun 29, 2018. Before we talked to everyone about the "high temperature of the excavator engine", many excavator owners dialed the phone to consult about the failure of the "excavator's arm", so the small editor arranged some problems that were easy to appear in the front work device of the excavator for the owners to

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  • Three minutes to learn how to adjust the main relief valve

    Jun 11, 2019 · The adjustment of the main relief valve is divided into two parts. The following bricks explain the specific adjustment steps for everyone: Adjust the boost pressure in the boost function: 1 Loosen the lock nut "A" and turn the adjusting nut "B" clockwise. 2 Loosen the lock nut "C" and turn the adjusting nut "D" clockwise.

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  • OPERATOR'S MANUAL - Kubota

    adjusting pressure feedback control with pole placement and using an independently-measured fluid-controlled power system to reduce vibrations. This study presents the design and analyses of a mini excavator with a weight of 1000-1500 kg, power of 10-12 hp and pressure of 175 bar. II. MINI EXCAVATOR DESIGN

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  • Excavator with pivoting arm at HZC Power GmbH

    Aug 20, 2021 · The working pressure is 160 bar. As a special highlight, the DKB881 has a pivoting excavator arm (articulated – 120°), so that an even larger area can be covered during excavation without having to move the mini-excavator.

    Learn More
  • PROPORTIONAL SOLENOID VALVE TEST AND ADJUSTMENT

    Power Boost Solenoid Valve. the specified pressure range of the pressure shown on. (SG) Pressure. 196 kPa (1.96 bar) (28 psi) the laptop computer. The pressure shown on laptop. Per 1/4 Turn of Adjusting. 98 kPa (0.98 bar) (14 psi) computer is a calculated pressure from the electrical.

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