製品説明
Good quality full set hydraulic cylinder sepecially for backhoe excavator
| Loader Bucket Tilt Also called bucket dump or curl cylinders, the loader bucket tilt changes the angle of the bucket, or tilts it, up and down. | Loader Bucket Lift The loader lift cylinders moves the bucket up and down and is usually fixed on 1 side to the lift arm and the other to the tractor. |
| Backhoe Stabilizer/Outrigger These cylinders fold the Stabilizers, or Outriggers, out to land on the ground and provide support for the tractor while the backhoe is being operated. | Backhoe Stabilizer/Outrigger These cylinders fold the Stabilizers, or Outriggers, out to land on the ground and provide support for the tractor while the backhoe is being operated. |
| Backhoe Swing The Swing cylinders are found at the base of the backhoe’s boom and allow the operator to swing the entire backhoe boom either left or right. | Backhoe Boom Backhoes have either 1 or 2 of the boom cylinders and their main function is to angle the boom section of the backhoe in or out. On some older backhoes the boom cylinder is inside the boom itself. |
| Backhoe Dipper The Dipper cylinder (also called the Arm, Crowd, or Stick) is attached on 1 end to the boom and the other to the dipper (Arm, Crowd, or Stick) and articulates the dipper in and out. | Backhoe Bucket The Bucket cylinder is attached on 1 side to the dipper and the other to the bucket linkage or coupler. Its main function is to curl the backhoe bucket in and out. |
会社概要
+30 years experience in hydraulic parts production, CHINAMFG brand hydraulic cylinder are known for their durability, reliability in all conditions and value for money. OEM is available
Certified, excellent quality management system and testing method make the product strong enough to resist all kindf of climate and environment and work stable. For now, we have the certification like CE,SGS,GB,ISO9001,AAAcertified.
Customized hydraulic solution, we can manufacture according to the technical drawing from the client or we can offer our professional suggestion or guidance for our client according to our experience. The package can be done as the request of the clients. For now, we have export more than 20 countries like GUINEEE,USA,Australia etc wining the trust of the customer.
Packaging & Shipping
FAQ
Q1: How about the quality?
Our cylinders can work well even in extreme condition and temperature
Q2: What’s your cylinder’s advantages ?
The cylinders are manufactured by advanced equipments and made under strictly quality control processing.
The steel is tempered and all raw materials are good quality from world famous companies.
Competitive price!
Q3: When your company be established ?
Our company be established in 2002, professional manufacturer of hydraulic cylinders more than 20 years.
We had passed IATF 16949:2016 Quality control system, ISO9001, CE.
Q4: How about the delivery time ?
depends the quantity, normally 1 month is no problem.
Q5: How about the cylinder’s quality gurantee ?
One year.
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油圧シリンダーは、重機においてどのようにしてスムーズで安定した動作を保証するのでしょうか?
油圧シリンダーは、重機のスムーズで安定した動作を確保する上で重要な役割を果たします。その設計と動作により、重荷重の動きを正確に制御することができ、効率的で信頼性の高い性能を実現します。ここでは、油圧シリンダーが重機のスムーズで安定した動作にどのように貢献しているかを詳しく説明します。
1. 作動油と圧力:
油圧シリンダーは、一般的にオイルなどの作動油を用いて力と動きを伝達します。作動油は油圧ポンプによって加圧され、シリンダー内部のピストンに作用する力を生み出します。作動油の圧力は精密に制御できるため、重機を滑らかかつ段階的に動かすことができます。作動油は非圧縮性であるため、力が均等に分散され、一貫性のある予測可能な動きを実現します。
2. ピストンとシリンダーの設計:
油圧シリンダーは、スムーズな動作を確保するために精密に設計されています。ピストンとシリンダーボアは厳しい公差で加工されており、摩擦を低減し、内部漏れを最小限に抑えています。ピストンとシリンダー壁のこの精密な嵌合により、ガタつきや急激な速度変化のない、安定した動作が維持されます。さらに、高品質のシールと潤滑剤を使用することで、シリンダーのスムーズな動作がさらに向上します。
3. 制御弁と流量制御:
油圧システムには、シリンダーへの作動油の流入と流出を制御する制御弁が組み込まれています。これらの弁により、シリンダーの動きの速度と方向を正確に制御できます。流量を調整することで、オペレーターは重機のスムーズで制御された動作を実現し、急な始動や停止を回避できます。流量制御弁は速度調整も可能にし、負荷や運転条件が変化する場合でも、安定した動作を保証します。
4. クッション性と減衰性:
油圧シリンダーには、重機の動作中に発生する衝撃を吸収し、衝撃を最小限に抑えるための緩衝機構を装備することができます。緩衝機構は、シリンダー内に特殊なバルブまたは調整可能なオリフィスを組み込むことで実現されます。これらのバルブまたはオリフィスは、ストロークの終端付近で作動油の流れを制限します。この緩やかな減速により、急激な衝撃や振動を防ぎ、スムーズで安定した動作を維持するとともに、機械本体とその構成部品への負荷を軽減します。
5. 負荷分散:
油圧シリンダーは、負荷のバランスを取り、力を均等に分散するように設計・配置することができます。複数のシリンダーを並列または直列に配置することで、重機はバランスの取れた動作を実現し、不均一な応力を防ぎ、スムーズな動作を確保できます。負荷バランスは、部品の故障リスクを最小限に抑え、機械全体の安定性と寿命を向上させる効果もあります。
6. フィードバックおよび制御システム:
高度な油圧システムは、フィードバックセンサーと制御システムを組み込んで、重機の動きを監視・調整します。これらのセンサーは、油圧シリンダーの位置、速度、および作動力に関するリアルタイム情報を提供します。制御システムはこのデータを処理し、それに応じて作動油の流れを調整することで、スムーズで安定した動作を維持します。フィードバックシステムと制御システムは、シリンダーの動作を継続的に監視・制御することで、正確で信頼性の高い動作制御を実現します。
7. メンテナンスとサービス:
重機における油圧シリンダーのスムーズで安定した動作を確保するには、定期的なメンテナンスと点検が不可欠です。適切な潤滑、シールの点検、摩耗部品の交換は、最適な性能を維持するのに役立ちます。フィルター交換や作動油分析などの予防保全も、油圧システムの長寿命化と信頼性向上に貢献し、長期にわたる安定した動作を保証します。
要約すると、油圧シリンダーは、作動油と圧力、精密なピストンとシリンダーの設計、制御弁と流量制御、緩衝・減衰機構、負荷バランス、フィードバック・制御システム、そして定期的なメンテナンスと点検を通じて、重機のスムーズで安定した動作を保証します。これらの特長を活用することで、油圧シリンダーは、重荷重を扱うために必要な力と制御を提供し、正確で信頼性の高い動作を維持することで、様々な産業用途における重機の全体的な性能と生産性を向上させます。

Ensuring Stable Performance of Hydraulic Cylinders Under Fluctuating Loads
Hydraulic cylinders are designed to provide stable performance even under fluctuating loads. They achieve this through various mechanisms and features that allow for efficient load control and compensation. Let’s explore how hydraulic cylinders ensure stable performance under fluctuating loads:
- Piston Design: The piston inside the hydraulic cylinder plays a crucial role in load control. It is typically equipped with seals and rings that prevent leakage of hydraulic fluid and ensure effective transfer of force. The piston design may incorporate features such as stepped or tandem pistons, which provide enhanced load-bearing capabilities and improved stability by distributing the load across multiple surfaces.
- Cylinder Cushioning: Hydraulic cylinders often incorporate cushioning mechanisms to minimize the impact and shock caused by fluctuating loads. Cushioning can be achieved through various methods, such as adjustable cushion screws, hydraulic cushioning valves, or elastomeric cushioning rings. These mechanisms slow down the piston’s movement near the end of the stroke, reducing the impact and preventing sudden stops that could lead to instability.
- Pressure Compensation: Fluctuating loads can result in pressure variations within the hydraulic system. To ensure stable performance, hydraulic cylinders are equipped with pressure compensation mechanisms. These mechanisms maintain a consistent pressure level in the system, regardless of load changes. Pressure compensation can be achieved through the use of pressure relief valves, compensating pistons, or pressure-compensated flow control valves.
- Flow Control: Hydraulic cylinders often incorporate flow control valves to regulate the speed of the cylinder’s movement. By controlling the flow rate of hydraulic fluid, the cylinder’s motion can be adjusted to match the changing load conditions. Flow control valves allow for smooth and controlled movement, preventing abrupt changes that could lead to instability.
- Feedback Systems: To ensure stable performance under fluctuating loads, hydraulic cylinders can be integrated with feedback systems. These systems provide real-time information on the cylinder’s position, velocity, and force. By continuously monitoring these parameters, the hydraulic system can make immediate adjustments to maintain stability and compensate for load fluctuations. Feedback systems can include position sensors, pressure sensors, or load sensors, depending on the specific application.
- Proper Sizing and Selection: Ensuring stable performance under fluctuating loads starts with proper sizing and selection of hydraulic cylinders. It is crucial to choose cylinders with appropriate bore size, rod diameter, and stroke length to match the anticipated load conditions. Oversized or undersized cylinders can lead to instability and reduced performance. Proper sizing also involves considering factors such as the required force, speed, and duty cycle of the application.
In summary, hydraulic cylinders ensure stable performance under fluctuating loads through features such as piston design, cushioning mechanisms, pressure compensation, flow control, feedback systems, and proper sizing and selection. These mechanisms and considerations allow hydraulic cylinders to provide consistent and controlled movement, even in dynamic load conditions, resulting in reliable and stable performance.

What factors should be considered when selecting the right hydraulic cylinder for an application?
When selecting the right hydraulic cylinder for an application, several important factors need to be considered. These factors help ensure that the chosen hydraulic cylinder is suitable for the specific requirements of the application and will perform reliably. Here are the key factors to consider:
1. Load Requirements:
– One of the crucial factors to consider is the load requirement of the application. Determine the maximum load that the hydraulic cylinder needs to handle. Consider both the static load (when the cylinder is stationary) and the dynamic load (when the cylinder is in motion). The load requirement will impact the cylinder’s bore size, rod diameter, and overall strength. Choose a hydraulic cylinder with a load capacity that exceeds the application’s maximum load to ensure safety and longevity.
2. Stroke Length:
– The stroke length refers to the distance the hydraulic cylinder needs to extend and retract to perform the desired motion. Measure the required stroke length based on the application’s operational requirements. It is essential to choose a hydraulic cylinder with a stroke length that matches or exceeds the required distance. Consider any potential variations or adjustments in the stroke length that may be needed in the future.
3. Operating Pressure:
– Consider the operating pressure required for the application. The hydraulic cylinder must be capable of withstanding the maximum pressure within the hydraulic system. Ensure that the selected cylinder has a pressure rating that exceeds the application’s maximum operating pressure. This ensures safety and prevents premature failure.
4. Speed Requirements:
– Determine the required speed of the hydraulic cylinder’s movement for the application. Consider both the extension and retraction speeds. Select a cylinder that can achieve the desired speed while maintaining precise control and stability. It is important to choose a cylinder that can handle the required speed without compromising performance or safety.
5. Mounting:
– Evaluate the available space and mounting requirements for the hydraulic cylinder. Consider the mounting type (such as flange, foot, trunnion, or clevis), the available mounting points, and any specific mounting constraints. Ensure that the selected cylinder can be easily and securely mounted in the desired location.
6. Environmental Factors:
– Assess the environmental conditions in which the hydraulic cylinder will operate. Consider factors such as temperature extremes, humidity, exposure to chemicals, dust, or corrosive substances. Choose a cylinder that is designed to withstand the specific environmental conditions of the application. This may involve selecting appropriate materials, coatings, or seals to ensure the longevity and performance of the cylinder.
7. Cylinder Configuration:
– Determine the appropriate cylinder configuration based on the application’s requirements. Consider factors such as single-acting or double-acting cylinders, telescopic cylinders for limited space, or custom configurations for unique applications. Evaluate the specific needs of the application to select the most suitable cylinder configuration.
8. Maintenance and Serviceability:
– Consider the maintenance and service requirements of the hydraulic cylinder. Evaluate factors such as ease of access for maintenance, availability of spare parts, and the reputation of the manufacturer or supplier in terms of customer support and after-sales service. Choosing a reliable and reputable brand can ensure ongoing support and availability of spare parts when needed.
9. Compliance and Standards:
– Depending on the industry and application, certain compliance standards may need to be met. Consider any industry-specific regulations, safety standards, or certifications that the hydraulic cylinder should comply with. Ensure that the selected cylinder meets the required standards and certifications for the application.
10. Cost and Budget:
– Finally, consider the cost and budget for the hydraulic cylinder. While it is important to select a cylinder that meets the application’s requirements, it is also necessary to consider the overall cost-effectiveness. Evaluate the initial purchase cost, long-term maintenance costs, and the expected lifespan of the cylinder. Balancing the cost and quality will help in selecting a hydraulic cylinder that provides the best value for the application.
By considering these factors in the selection process, it becomes possible to choose the right hydraulic cylinder that meets the specific requirements of the application in terms of load capacity, stroke length, operating pressure, speed, mounting, environmental conditions, maintenance needs, compliance, and cost-effectiveness. Proper selection ensures optimal performance, reliability, and longevity of the hydraulic cylinder in the intended application.
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editor by Dream 2024-10-08