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PC2000-11 surface mining hydraulic excavator | Komatsu
Travel circuit: 32.9 MPa 335 kgf/cm 2 Swing circuit: 29.4 MPa 300 kgf/cm 2 Pilot circuit: 3.2 MPa 33 kgf/cm 2: Hydraulic cylinders: (Number of cylinders – bore x stroke) Backhoe Boom / 2: 300 x 2 647 mm Arm / 2: 250 x 2 138 mm Bucket / 2: 200 x 2 170 mm
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Solved 1. Design a Hydraulic circuit for the excavator
3. Critically explain the working of the excavator with respect to the hydraulic circuit drawn. Question: 1. Design a Hydraulic circuit for the excavator earth moving equipment used in construction sites. 2. Draw the positional sketch for excavator and also label all the symbols in …
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PC2000-11 surface mining hydraulic excavator | Komatsu
Travel circuit: 32.9 MPa 335 kgf/cm 2 Swing circuit: 29.4 MPa 300 kgf/cm 2 Pilot circuit: 3.2 MPa 33 kgf/cm 2: Hydraulic cylinders: (Number of cylinders – bore x stroke) Backhoe Boom / 2: 300 x 2 647 mm Arm / 2: 250 x 2 138 mm Bucket / 2: 200 x 2 170 mm
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US20100000211A1 - Hydraulic control circuit for …
A hydraulic circuit for an excavator is provided, which includes first to third hydraulic pumps, a first traveling control valve and a first boom control valve successively installed along a first
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395 Hydraulic Excavator | Cat | Caterpillar
The Cat 395 hydraulic excavator is built to move material with speed and power. Standard Cat Payload on the Cat 395 hydraulic excavator makes production easy to track. The Cat 395 hydraulic excavator's LED lighting helps illuminate the jobsite for enhanced operating safety. The 395 hydraulic excavator's all-new cab keeps operators comfortable
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Hydraulic Excavator System Basic Circuit Chapter 2AZERCOM
Dec 17, 2018 · Open circuit start-stop circuits are generally used for systems with small flow (unit: cubic meters per second). 2. Unloading start-stop circuit (as shown below) When the job system stops working, the 2/2-way valve is switched to the left working position (position), in addition to cutting off the pressure oil to the working system, The pressurized oil is unloaded from The Fuel Tank.
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PC490LC-11 large hydraulic excavator | Komatsu
Built for high production jobs, the PC490LC-11 is a large but portable excavator with a heavy-duty reinforced undercarriage for high lift capacity, lateral stability and added durability. Large high-strength steel castings on the boom, arm and bucket link. Closed …
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Simplified excavator hydraulic circuit | Download
A simplified hydraulic circuit of the proposed excavator architecture is shown in Fig. 3. The system comprises 8 actuators (swing, boom, arm, bucket, right and left track, offset and blade) and 4
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HYDRAULIC CIRCUIT DESIGN AND ANALYSIS
HYDRAULIC CIRCUIT DESIGN AND ANALYSIS A Hydraulic circuit is a group of components such as pumps, actuators, and control valves so arranged that they will perform a useful task. When analyzing or designing a hydraulic circuit, the following three important considerations must be taken into account: 1. Safety of operation 2.
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C SPECIFICATIONS QUIPMENT Zaxis200L Zaxis200LC
in excavator development. Safety, Comfort, and Convenience The operator's compartment is designed for both comfort and operating efficiency. Machine Information Center The Machine Information Center captures and stores vital machine performance data such as engine speeds, hydraulic temperatures, pump pressures, alarms
Get a quoteCommon Sense Sharing: Summary Of Excavator Open Center
Hydraulic Closed-Center System | Hydraulic Valve
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Simplified excavator hydraulic circuit | Download
A simplified hydraulic circuit of the proposed excavator architecture is shown in Fig. 3. The system comprises 8 actuators (swing, boom, arm, bucket, right and left track, offset and blade) and 4
Get a quoteMobile Machinery Cylinders-Large Excavator Cylinder
For 65T~700T medium to large excavators, Hengli could provide: • Bucket Cylinder • Boom Cylinder • Stick Cylinder • Tightening Cylinder Can be customized according to customer requirements. 6309953674
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Wheel Loaders Specifications and Charts : Construction
Wheel Loaders Specs and Charts. Wheel loaders, also known as front end or bucket loaders, are used primarily for material handling, digging, road building, site preparation and load-and-carry
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HITACHI – Service Manual Download
HITACHI ZAXIS 160LC 180LC 180LCN EXCAVATOR Service Repair Manual. Hitachi ZX160LC-3, ZX180LC-3, ZX180LCN-3 Hydraulic Excavator Service Repair Manual. HITACHI ZAXIS ZX 200, 225, 230, 270 (CLASS) EXCAVATOR Service Repair Manual. HITACHI ZAXIS 200-3 225US-3 225USR-3 240-3 270-3 CLASS EXCAVATOR Service Repair Manual.
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Priority Flow Valves and Why They're Needed usually placed
Most excavators are set up with an auxiliary valve that can be used to run a hammer. This valve is usually placed on the end of the excavator valve bank. (See figure 1) (Figure 1) When you activate the hammer valve a majority of the oil goes to the hammer valve circuit (with the excavator controls not moving).
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349 Hydraulic Excavator | Cat | Caterpillar
349 Hydraulic Excavator. The Cat 349 is a great choice for large-scale site development. The Cat 349's electrohydraulic control makes pulling grade smooth and easy. The 349's standard Cat Payload system makes truckloading more efficient than ever. A Cat quick …
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Hydraulic Excavator
Center Load Sensing System) controls all pumps for effi cient use of engine power. This system also reduces hydraulic loss during operations. Active and Economy mode The PC750-7 excavator is equipped with two working modes. Each mode is designed to match the engine speed, pump speed, and system pressure to the current
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Hydraulic Excavator Sy215c - BMI
Pilot circuit 3.9mpa 38kg/cm² 565psi Hydraulic cylinders Boom cylinder diameter x stroke (mm) 120*1285 Arm cylinder diameter x stroke (mm) 135*1490 Bucket cylinder diameter x stroke (mm) 115*1120 SERVICE REFILL CAPACITIES (l) Fuel tank 340 Engine coolant 340 Engine oil 20 Swing drive 25.5 Final drive Bucket(each side) 2*5.5 Hydraulic oil tank
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