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functions of excavator hydraulic cylinder

Apr 22, 2024 RACER MACHINERY 0 Clicks

Excavator hydraulic cylinders play a crucial role in the operation of excavators, which are heavy construction equipment used for digging, lifting, and moving materials. The hydraulic cylinders in an excavator perform various functions, including:MMuR

1. Boom Cylinder: The boom cylinder extends and retracts the boom, which is the arm-like structure that lifts and lowers the excavator's main digging attachment.MMuR

2. Arm Cylinder: The arm cylinder controls the movement of the excavator's arm, also known as the dipper or stick. It enables the arm to extend and retract, allowing for precise positioning of the digging attachment.MMuR

3. Bucket Cylinder: The bucket cylinder operates the bucket, which is the attachment responsible for scooping and digging. It controls the opening and closing of the bucket, allowing the excavator to collect and release materials.MMuR

4. Swing Cylinder: The swing cylinder facilitates the rotation of the excavator's upper structure, which includes the cab and engine, as well as the boom and arm. It enables the excavator to rotate 360 degrees, providing versatility and reach in different directions.MMuR

5. Travel Cylinder: Excavators are equipped with travel cylinders that control the movement of the tracks or wheels, depending on the type of excavator. These cylinders allow the machine to move forward, backward, and turn.MMuR

6. Stabilizer Cylinder: Some excavators are equipped with stabilizer cylinders, especially those used in applications where stability is crucial, such as on uneven terrain or when performing heavy lifting operations. Stabilizer cylinders extend and retract the stabilizer legs, providing additional support and balance to the excavator.MMuR

7. Blade Cylinder: Excavators with a blade attachment for grading or leveling purposes feature a blade cylinder. This cylinder controls the movement of the blade, allowing the operator to adjust the angle and height of the blade.MMuR

8. Counterweight Cylinder: Excavators often have a counterweight at the rear end to provide stability and balance during lifting and digging operations. The counterweight cylinder helps in adjusting the position of the counterweight, enabling the operator to optimize the excavator's stability based on the load and working conditions.MMuR

9. Tilt Cylinder: Some excavators are equipped with a tilting mechanism for the attachment, such as a tiltrotator or tilt bucket. The tilt cylinder controls the tilting movement, allowing the attachment to tilt in various directions, providing increased flexibility and precision during digging and material handling.MMuR

10. Clamshell Cylinder: Excavators used for specialized applications, such as material handling or dredging, can have a clamshell bucket attachment. The clamshell cylinder operates the opening and closing of the clamshell bucket, allowing it to grab and release materials.MMuR

11. Ripper Cylinder: Excavators utilized in earthmoving and mining operations may feature a ripper attachment for breaking up hard soil or rock. The ripper cylinder controls the movement of the ripper arm, enabling it to penetrate the ground and exert force to break up the material.MMuR

12. Grapple Cylinder: Excavators equipped with a grapple attachment for grasping and lifting materials, such as logs or debris, utilize a grapple cylinder. This cylinder operates the opening and closing of the grapple arms, providing a secure grip on the objects.MMuR

13. Breaker Cylinder: Excavators can be equipped with hydraulic breakers or hammers for breaking up concrete, asphalt, or rock surfaces. The breaker cylinder controls the striking force of the hydraulic breaker, allowing it to deliver powerful impacts for effective material fragmentation.MMuR

14. Quick Coupler Cylinder: Excavators commonly use quick coupler systems that enable rapid attachment changes. The quick coupler cylinder operates the locking mechanism of the coupler, securely fastening or releasing attachments, such as buckets or specialized tools.MMuR

15. Arm Extension Cylinder: Some excavators have an additional arm extension mechanism that allows for increased reach and digging depth. The arm extension cylinder extends and retracts the arm extension, providing enhanced versatility and access to deeper excavation areas.MMuR

16. Blade Lift and Tilt Cylinders: Excavators equipped with a dozer blade attachment for grading or pushing materials feature lift and tilt cylinders for blade control. These cylinders allow the operator to raise, lower, and angle the blade, facilitating precise grading and leveling operations.MMuR

17. Outrigger Cylinder: Excavators used in certain specialized applications, such as crane-like lifting operations or drilling, may have outriggers for added stability. The outrigger cylinders extend and retract the outrigger legs, providing a solid and secure base for the excavator during such tasks.MMuR

18. Boom Offset Cylinder: Some excavators have a boom offset feature that allows the boom to move laterally, providing additional reach and flexibility. The boom offset cylinder controls the lateral movement of the boom, enabling the operator to adjust the excavator's working position without repositioning the entire machine.MMuR

19. Stick Cylinder: In some excavators, there is a separate hydraulic cylinder called the stick cylinder or crowd cylinder. This cylinder controls the movement of the excavator's stick or arm extension, allowing it to extend and retract independently from the main arm. The stick cylinder provides additional reach and digging depth for the excavator.MMuR

20. Blade Angle Cylinder: Excavators equipped with a dozer blade attachment may have a blade angle cylinder. This cylinder controls the angle of the blade, allowing the operator to adjust the tilt of the blade for better material pushing and leveling.MMuR

21. Auxiliary Attachment Cylinders: Excavators can be equipped with various auxiliary hydraulic attachments, such as grapples, crushers, shears, or augers. Each attachment may have its own hydraulic cylinder or cylinders that control specific functions, such as opening and closing of the grapple arms or rotating the auger.MMuR

22. Track Tensioning Cylinder: Excavators with track systems require proper tensioning of the tracks for optimal performance and longevity. The track tensioning cylinder adjusts the tension of the tracks, ensuring proper track alignment, grip, and overall stability.MMuR

23. Counterbalance Valve Cylinder: Hydraulic cylinders in excavators often incorporate counterbalance valves. These valves help control the movement of the cylinder and provide smoother and more controlled operation by regulating the flow of hydraulic fluid.MMuR

24. Arm Float Cylinder: Some excavators feature an arm float cylinder that allows the arm to "float" or move freely over the ground surface. This cylinder disengages the arm's downward force, providing smoother operation and improved control when working on delicate surfaces or during fine grading tasks.MMuR

25. Rake Cylinder: Excavators equipped with a rake attachment, commonly used for land clearing or debris removal, may have a rake cylinder. This cylinder controls the movement of the rake arms, allowing them to open and close, and adjust the spacing between tines for effective material gathering.MMuR

26. Counterweight Removal Cylinder: Some large excavators have a counterweight removal system to facilitate transportation or maneuverability in tight spaces. The counterweight removal cylinder is used to detach and reattach the counterweight, allowing for easier transportation or adjustment of the excavator's weight distribution.MMuR

27. Arm Folding Cylinder: In certain excavator models, the arm can be folded or retracted to reduce the machine's overall dimensions for transportation or storage. The arm folding cylinder controls the folding movement of the arm, enabling it to be securely folded and unfolded as needed.MMuR

28. Thumb Cylinder: Excavators equipped with a thumb attachment, commonly used for grasping and handling irregularly shaped objects or debris, have a thumb cylinder. This cylinder operates the movement of the thumb, allowing it to open and close, providing a secure grip on materials.MMuR

29. Rake Tine Cylinder: Excavators with a rake attachment for land clearing or soil preparation purposes may have rake tine cylinders. These cylinders control the movement of individual rake tines, allowing them to pivot or adjust their position, enhancing the efficiency of the rake attachment.MMuR

30. Counterweight Swing Cylinder: For some excavators with a swing-type counterweight system, a counterweight swing cylinder is used to rotate the counterweight assembly. This cylinder enables the counterweight to swing out during operation for increased stability and swing back for transportation or compact storage.MMuR

31. Track Shoe Cylinder: Excavators with a track shoe system may have individual cylinders for each track shoe. These cylinders control the movement of the track shoes, allowing for adjustments in track tension and alignment to ensure smooth operation and traction.MMuR

32. Arm Regeneration Cylinder: Some excavators feature an arm regeneration system that utilizes hydraulic energy from the retracting arm motion to assist in extending the arm. The arm regeneration cylinder assists in the regeneration process, improving fuel efficiency and reducing hydraulic energy consumption.MMuR

33. Height Limiter Cylinder: Excavators used in applications with height restrictions, such as working under bridges or in confined spaces, may have a height limiter cylinder. This cylinder controls the height of the excavator's boom, preventing it from exceeding a predetermined limit.MMuR

34. Arm Regeneration Lock Cylinder: In excavators equipped with an arm regeneration system, there can be an arm regeneration lock cylinder. This cylinder locks the arm regeneration system in place, preventing unintentional movement or loss of hydraulic energy during operation.MMuR

35. Counterweight Lifting Cylinder: Some large excavators have a counterweight lifting system that allows for easy removal or installation of the counterweight. The counterweight lifting cylinder controls the lifting movement of the counterweight, enabling it to be raised or lowered as needed.MMuR

36. Boom Float Cylinder: Excavators with a boom float feature allow the boom to "float" or move freely up and down, independent of the arm, providing improved control and precision during leveling or grading operations. The boom float cylinder controls the floating movement of the boom.MMuR

37. Blade Lift Cylinder: Excavator blades used for grading or leveling operations often have a blade lift cylinder. This cylinder controls the raising and lowering of the blade, allowing the operator to adjust the blade height for precise material distribution or to clear obstacles.MMuR

38. Stabilizer Lock Cylinder: Excavators equipped with stabilizer legs or outriggers may have a stabilizer lock cylinder. This cylinder locks the stabilizer legs in position once they are extended, ensuring stability and preventing unintentional movement during operation.MMuR

39. Rake Tilt Cylinder: Excavators with a rake attachment may feature a rake tilt cylinder. This cylinder controls the tilting movement of the rake attachment, allowing the operator to adjust the angle of the rake tines for efficient material gathering or spreading.MMuR

40. Crusher Arm Cylinder: Excavators used in demolition or recycling applications may have a crusher attachment with a crusher arm cylinder. This cylinder controls the movement of the crusher arm, enabling it to crush and break down materials.MMuR

41. Auger Swing Cylinder: Excavators equipped with an auger attachment for drilling holes often have an auger swing cylinder. This cylinder controls the swinging movement of the auger, allowing precise positioning and alignment during drilling operations.MMuR

42. Rake Grapple Cylinder: Some excavators have a combination attachment that combines the functionalities of a rake and a grapple. The rake grapple cylinder controls the movement of the rake grapple arms, enabling both raking and gripping actions.MMuR

These additional hydraulic cylinders serve specific purposes and cater to specialized excavator configurations, attachments, and operational requirements. They enhance the excavator's versatility, productivity, and precision in various construction, demolition, forestry, and material handling tasks.MMuR

Price examples of different excavator hydraulic cylinder

Some general price examples for different types of excavator hydraulic cylinders. Please note that these prices are approximate and can vary based on factors such as the brand, size, specifications, and market conditions:MMuR

1. Mini Excavator Bucket Cylinder: Price Range - $150 to $500MMuR

2. Standard Excavator Arm Cylinder: Price Range - $500 to $1,500MMuR

3. Large Excavator Boom Cylinder: Price Range - $1,500 to $3,500MMuR

4. Excavator Stick or Crowd Cylinder: Price Range - $500 to $1,500MMuR

5. Excavator Blade Lift Cylinder: Price Range - $300 to $800MMuR

6. Excavator Quick Coupler Cylinder: Price Range - $300 to $800MMuR

7. Excavator Thumb Cylinder: Price Range - $200 to $600MMuR

8. Excavator Breaker Cylinder: Price Range - $500 to $1,500MMuR

9. Excavator Rake Tine Cylinder: Price Range - $300 to $800MMuR

10. Excavator Counterweight Removal Cylinder: Price Range - $500 to $1,500MMuR

11. Excavator Outrigger Cylinder: Price Range - $500 to $1,500MMuR

12. Excavator Arm Float Cylinder: Price Range - $200 to $600MMuR

13. Excavator Counterweight Swing Cylinder: Price Range - $800 to $2,000MMuR

14. Excavator Track Tensioning Cylinder: Price Range - $300 to $800MMuR

15. Excavator Arm Regeneration Cylinder: Price Range - $500 to $1,500MMuR

16. Excavator Blade Angle Cylinder: Price Range - $300 to $800MMuR

17. Excavator Rake Grapple Cylinder: Price Range - $500 to $1,500MMuR

18. Excavator Height Limiter Cylinder: Price Range - $400 to $1,000MMuR

19. Excavator Auger Swing Cylinder: Price Range - $500 to $1,500MMuR

20. Excavator Stabilizer Lock Cylinder: Price Range - $300 to $800MMuR

21. Excavator Counterweight Lifting Cylinder: Price Range - $800 to $2,000MMuR

22. Excavator Boom Float Cylinder: Price Range - $300 to $800MMuR

23. Excavator Rake Tilt Cylinder: Price Range - $400 to $1,000MMuR

24. Excavator Crusher Arm Cylinder: Price Range - $500 to $1,500MMuR

25. Excavator Track Shoe Cylinder: Price Range - $300 to $800MMuR

26. Excavator Arm Regeneration Lock Cylinder: Price Range - $300 to $800MMuR

27. Excavator Blade Lift Cylinder: Price Range - $300 to $800MMuR

28. Excavator Thumb Cylinder for Grapple Attachment: Price Range - $200 to $600MMuR

29. Excavator Counterbalance Valve Cylinder: Price Range - $200 to $600MMuR

30. Excavator Stick Cylinder for Crowding Function: Price Range - $500 to $1,500MMuR

31. Excavator Auger Extension Cylinder: Price Range - $400 to $1,000MMuR

32. Excavator Rotating Cylinder (for rotating attachments): Price Range - $800 to $2,000MMuR

33. Excavator Travel Motor Cylinder: Price Range - $500 to $1,500MMuR

34. Excavator Swing Motor Cylinder: Price Range - $500 to $1,500MMuR

35. Excavator Quick Arm Change Cylinder: Price Range - $400 to $1,000MMuR

36. Excavator Ripper Cylinder: Price Range - $400 to $1,000MMuR

37. Excavator Vibratory Plate Compactor Cylinder: Price Range - $500 to $1,500MMuR

38. Excavator Grapple Cylinder: Price Range - $400 to $1,000MMuR

39. Excavator Tiltrotator Cylinder: Price Range - $800 to $2,000MMuR

40. Excavator Clamshell Bucket Cylinder: Price Range - $500 to $1,500MMuR

Please keep in mind that these price ranges are rough estimates and can vary based on factors such as the brand, size, specifications, and market conditions. It's always recommended to consult with hydraulic cylinder suppliers or manufacturers for accurate pricing based on your specific requirements and the current market rates.MMuR

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