产品描述
ZheJiang CHINAMFG Hydraulic Co., Ltd is specialized in hydraulic products Design, R&D and Manufacturing.
We mainly produce Hydraulic Cylinders for the Trucks, Coal Mining Industry, Metal Forming Industry Ship Industry, Oil Rigs and CHINAMFG Engineering.Also we can design and manufacture various special purpose hydraulic cylinders according to customer design and requirements as agriculture industry, 6 DOF platform, machine tools, etc.
Our annual capacity is 200,000 pcs of cylinders which makes our company an important production base for Hydraulic Cylinders in China.
History of Wantong:
>Dump truck telescopic hydraulic cylinder was successsfully developed in 2002;
>Began to cooperate with famous brands companies ,Such as CHINAMFG ,SHACMAN in 2005;
>Passed ISO/TS 16949 International Quality management system certification in 2006;
>Began to cooperate with ZMJ,Co.,Ltd in 2009;
>The electroplating production line was completed and had passed the accepance of environmental impact assessment in 2012;
>Has been raised as a listed Company in 2014;
>Cylinder with 10-stage .22-meter stroke for Military project was successfully developed in 2015;
>The North American Type Thin-Walltelescopic cylinder was successfully developed in 2015;
>Military Hydro-Pneumatic Spring and Suspension System was successfully developed in 2016;
Technical specification Description:
| 材料 | 27SiMn, 40CrMo, ST52, 45# |
| 珩磨管 | Heat treatment, honing, rolling |
| 活塞杆 | Tempering, plated nickel, Chrome |
| 工作压力 | As hydraulic cylinder request |
| Seals | Imported seals, like Parker, Hallite, NOK, etc, are usually used to extend the working life of hydraulic cylinders. |
| Customer Oriented Service Concept | The delivery time, packaging and special requirements etc can be met strictly according to the customers’ requirements |
| 涂层 | Sandblasting, primer paint, middle paint, finish paint |
| Rich Market Experiences | Many years cooperation with famous brands, like SINOTRUK, CIMC, JAC, SHACMAN, ZMJ and YANKUANG GROUP |
| Strict Quality Control | Raw material entering to factory and up |
| 包裹 | Pallet, Wooden Case or as Customer’s Requirement |
| Mounting style | Earrings, flange,screw thread etc |
Production Process:
>Each processing under our control, each products, every step under strict quality control;
Exhibitions& Customers:
>We are the supplier of SINOTRUK, CIMC, JAC, SHACMAN, ZMJ and YANKUANG GROUP
manufacturing and refitting company use our telescopic cylinder as first choice.
>We attended each Bauma exhibition, the world trade fair for construction equipment, building material machines, mining machines and earn much more opportunity to extend our business to oversea market.
Quality Control:
1, The mechanical properties and chemical elements of the raw material will be inspected to check whether qualified after entering the warehouse.
2, Chemical composition inspection of raw materials, Test the chemical composition of metallic materials, such as C, Si, Mn, P, S, Cr, Ni and other elements.Mainly for raw materials incoming inspection, by testing whether the material qualified, receiving materials.
3, Metallographic analysis of metal materials is usually the raw materials, such as copper, iron, aluminum, magnesium, zinc, titanium, etc., for the processing of structural parts and finished product evaluation, through the metallographic analysis, You can find a variety of possible reasons for failure analysis in time, Prediction and analysis the characteristics of metallic materials and materials, Study material surface, and internal defects, and to improve and verify the process technology of the material;
4, Salt spray test is a major use of salt spray test equipment created by the artificial simulation of salt spray environmental conditions to assess the corrosion resistance of products or metal materials, environmental testing
5, Mechanical performance testing equipment can meet the requirements of mechanical testing, all the use of computer digital display, so the accuracy is more accurate so that the mechanical properties of each cylinder barrel has been greatly improved.
6, Every workpiece is machined according to the confirmed drawings and will be inspected casually by QC according to a certain proportion.The traceable record shall be clear and traceable.
7, The qualified parts are assembled into 1 cylinder and then the pressure test will be done.
Before and after assembly, the basic dimensions and workmanship will be inspected again.
8, An inspection report will come into being before delivery.
Certificated:
Package:
Guarantee and after sale service:
> Pre-sale service: Keep communicating with the truck manufacturers, including the selection of product model, the design of a hydraulic system, a test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers.
>The sale service: Provide training and technical support for users.
> After-sale service: Solve the problem firstly, then analyze responsibility; Replace the system components
immediately if any need.
> 24 hours telephone service hotline.
常问问题
Our front end cylinder for tipper system have market share of top 3 in china.
Q1:Are you a manufacture or a trade company?
Answer:Manufacture, we are the leader manufacturer of hydraulic industry in China with 20 years’ experience and technology accumulation.With strong technical team we could solve any annoyance of you.
Q2:Do you have quality control system?
Answer:Yes,We have Strict Quality Control System from Raw Material to the final finished products to customer .
Q3:Do your products come with a warranty?
Answer:Yes, Period of 14 months from the date of manufacture.The manufacture date is engraved on the label of every cylinder.
Q4:Hydraulic cylinder internal leakage?
Answer:3 main reasons causing internal leakage:Overload, polishing bad controlled, cheap seal kits.As is known to all, vehicles in China are often overloaded, our products all designed to bear the overload power.Advanced equipment could assure the polish processing.And we use the imported/TOP brand seals to meet customers’ requirement.
Q5:Does your telescopic cylinder adopt chrome plating for every stage.
Chrome-plating technology is adopted for every stage of telescopic cylinders.
Card:
Melissa sun
ZheJiang CHINAMFG Hydraulic Co., Ltd.
Add:500m east of Xihu (West Lake) Dis. County Railway Station, HangZhou City, ZheJiang Province, China
A specialized hydraulic design, R&D, and manufacturing enterprise.See wthydraulic for more information
| 认证： | ISO9001, ISO16949 |
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| 压力： | 15MPa-23MPa |
| 工作温度： | -30-80 Degree |
| 表演方式： | 单作用 |
| 工作方法： | 直达之旅 |
| 结构： | 活塞式 |
| 示例： |
US$ 0/Piece
1 件（最低订购量） | |
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| 定制化： |
可用的
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液压缸技术的哪些进步提高了密封性和可靠性？
液压缸技术的进步不断提升液压系统的密封性和可靠性。这些进步旨在解决泄漏、磨损和密封件失效等常见问题，从而确保最佳性能和使用寿命。以下是几项显著提升液压缸密封性和可靠性的关键技术进步：
1. 高性能密封材料：
先进密封材料的研发极大地提升了液压缸的密封性能。传统的橡胶等密封材料已被聚氨酯、聚四氟乙烯（PTFE）以及各种复合材料等高性能材料所取代或增强。这些材料具有优异的耐磨性、耐高温性和耐化学腐蚀性，从而提高了密封性能并延长了密封件的使用寿命。
2. 改进的密封设计：
密封件设计的进步主要集中在提高密封效率和可靠性上。诸如唇形密封、刮油环和刮板等创新型密封件的开发，旨在优化流体保持并防止污染。这些设计提供了更佳的密封性能，最大限度地降低了流体泄漏的风险，并维护了系统的完整性。此外，改进的密封件几何形状和制造工艺确保了更严格的公差，从而降低了因错位或挤压而导致的密封失效的可能性。
3. 集成密封和轴承系统：
液压缸现在采用集成式密封和轴承系统，其中密封元件同时起到轴承的作用。这种设计方法减少了部件数量和潜在故障点，从而提高了整体可靠性。通过集成密封和轴承，最大限度地降低了因过载或不对中导致密封件损坏或移位的风险，从而增强了密封性能并提高了可靠性。
4. 先进涂层和表面处理：
– 将先进的涂层和表面处理技术应用于液压缸部件，显著提高了密封性和可靠性。镀铬或陶瓷涂层等涂层可增强表面硬度、耐磨性和耐腐蚀性。这些表面处理为密封件提供了更光滑、更耐用的工作表面，从而降低摩擦并提高密封性能。此外，一些特殊涂层还具有自润滑性能，减少了对额外润滑的需求，进一步提高了可靠性。
5. 密封系统监测和诊断技术：
液压系统中监测和诊断技术的集成彻底改变了密封件的性能和可靠性。传感器和监测系统能够检测并提醒操作人员潜在的密封件故障或泄漏，防患于未然。对压力、温度和密封件性能参数的实时监测，实现了主动维护和早期干预，从而避免了代价高昂的停机时间，并确保了最佳的密封性和可靠性。
6. 计算建模与仿真：
计算建模和仿真技术在提升液压缸密封性和可靠性方面发挥了重要作用。这些工具使工程师能够分析和优化密封件设计、流体动力学和接触应力。通过模拟各种运行工况，可以在设计初期识别并缓解密封件挤出、磨损或泄漏等潜在问题，从而提高密封性能和可靠性。
7. 系统化的维护措施：
液压缸技术的进步也凸显了系统化维护措施对于确保密封性和整体系统可靠性的重要性。定期检查、润滑和更换密封件，以及例行的系统冲洗和过滤，有助于防止密封件过早失效并优化密封性能。实施预防性维护计划并遵守建议的维护周期有助于延长密封件寿命并提高可靠性。
总而言之，液压缸技术的进步显著提升了密封性能和可靠性。高性能密封材料、改进的密封设计、集成式密封轴承系统、先进的涂层和表面处理技术、密封系统监测与诊断、计算建模与仿真以及系统化的维护实践，都在实现最佳密封性能和提高可靠性方面发挥了关键作用。这些进步使得液压系统更加高效可靠，最大限度地减少了密封件的泄漏、磨损和失效，最终提高了液压缸在各种应用中的整体性能和使用寿命。
利用液压缸确保重复性任务中动力输出的一致性
液压缸的设计旨在确保重复性任务中输出力的一致性。这种一致性对于保持精确控制、获得一致的结果以及优化液压系统的性能至关重要。让我们来探讨一下液压缸是如何在重复性任务中实现输出力一致性的：
- 设计和制造标准： 液压缸的制造遵循严格的设计和制造标准。这些标准确保液压缸的制造精度和准确性，使其能够提供稳定的力输出。活塞、缸筒、密封件和阀门等部件经过精心设计，能够协同工作，最大限度地减少力输出的波动。
- 压力调节： 液压系统包含压力调节机构，以维持恒定的压力水平。泄压阀、压力调节器和压力补偿泵有助于在整个系统中保持稳定的液压。通过调节压力，液压缸可以获得持续的加压流体供应，从而在重复性任务中产生稳定的力输出。
- 流量控制： 液压系统中利用流量控制阀来管理液压油的流量。这些阀门调节液压油进入和流出液压缸的速度，从而影响液压缸的输出力。通过控制流量，液压缸可以在重复性工作中实现稳定的输出力。这对于需要精确且均匀施力的任务尤为重要。
- 有效的密封性能： 密封系统在液压缸中起着至关重要的作用，它能防止流体泄漏并维持压力完整性。高质量的密封件和正确的安装可确保液压缸在整个运行过程中保持有效的密封。通过最大限度地减少内部泄漏，液压缸即使在重复性工作中也能保持稳定的力输出。
- 维护和检查： 定期维护和检查液压缸对于确保动力输出的稳定性至关重要。通过遵循维护计划、更换磨损部件以及监测液压缸性能，可以及时发现并解决任何可能影响动力输出稳定性的潜在问题。这种积极主动的方法有助于长期保持液压缸的可靠性和性能。
总而言之，液压缸采用多种机制来确保在重复性任务中输出稳定的力。遵循设计和制造标准、压力调节、流量控制、有效的密封性能以及定期维护，都是实现稳定力输出的关键因素。通过保持精度、最大限度地减少偏差并解决潜在问题，液压缸能够提供可靠且稳定的力输出，从而助力各种应用中重复性任务的顺利完成。
What is a hydraulic cylinder and how does it function in various applications?
A hydraulic cylinder is a mechanical actuator that converts hydraulic energy into linear force and motion. It plays a critical role in various applications where controlled and powerful linear motion is required. Hydraulic cylinders are commonly used in industries such as construction, manufacturing, agriculture, and transportation. Here’s a detailed explanation of what a hydraulic cylinder is and how it functions:
Definition and Components:
– A hydraulic cylinder consists of a cylindrical barrel, a piston, a piston rod, and various seals. The barrel is a hollow tube that houses the piston and allows for fluid flow. The piston divides the cylinder into two chambers: the rod side and the cap side. The piston rod extends from the piston and provides a connection point for external loads. Seals are used to prevent fluid leakage and maintain hydraulic pressure within the cylinder.
功能：
– The function of a hydraulic cylinder is to convert the pressure and flow of hydraulic fluid into linear force and motion. The hydraulic fluid, typically oil, is pressurized and directed into one of the chambers of the cylinder. As the fluid enters the chamber, it applies pressure on the piston, causing it to move in a linear direction. This linear motion of the piston is transferred to the piston rod, creating a pushing or pulling force.
Working Principle:
– The working principle of a hydraulic cylinder is based on Pascal’s law, which states that pressure exerted on a fluid in a confined space is transmitted equally in all directions. In a hydraulic cylinder, when hydraulic fluid is pumped into one side of the cylinder, it creates pressure on the piston. The pressure is transmitted through the fluid to the other side of the piston, resulting in a balanced force across the piston and piston rod. This force generates linear motion in the direction determined by the fluid input.
应用领域：
– Hydraulic cylinders find extensive use in a wide range of applications due to their ability to generate high forces and precise control of linear motion. Some common applications include:
1. Construction Equipment: Hydraulic cylinders are used in excavators, loaders, bulldozers, and cranes for lifting, pushing, and digging tasks.
2. Manufacturing Machinery: Hydraulic cylinders are employed in presses, machine tools, and material handling equipment for pressing, clamping, and lifting operations.
3. Agricultural Machinery: Hydraulic cylinders are used in tractors, harvesters, and irrigation systems for tasks like steering, lifting, and controlling attachments.
4. Transportation: Hydraulic cylinders are utilized in vehicles such as dump trucks, garbage trucks, and forklifts for tilting, lifting, and tipping operations.
5. Aerospace and Defense: Hydraulic cylinders are employed in aircraft landing gear, missile systems, and hydraulic actuators for control surfaces.
6. Marine and Offshore: Hydraulic cylinders are used in ship steering systems, cranes, and offshore drilling equipment for various lifting and positioning tasks.
In these applications, hydraulic cylinders offer advantages such as high force capability, precise control, compact size, and durability. They provide efficient and reliable linear motion, contributing to enhanced productivity and functionality in a wide range of industries.
Overall, hydraulic cylinders are integral components in various applications where controlled and powerful linear motion is required. Their ability to convert hydraulic energy into mechanical force makes them invaluable in numerous industries, enabling the operation of heavy machinery, precise positioning, and efficient load handling.
编辑：CX 2023-11-18
