Өнім сипаттамасы
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 project was successfully developed in 2015;
>The North American Type Thin-Walltelescopic cylinder was successfully developed in 2015;
>Hydro-Pneumatic Spring and Suspension System was successfully developed in 2016;
Technical specification Description:
| Материал | 27SiMn, 40CrMo, ST52, 45# |
| Тазартылған түтік | Heat treatment, honing, rolling |
| Piston rod | Tempering, plated nickel, Chrome |
| Working Pressure | 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 |
| Қаптау | 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 |
| Package | 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.
Жиі қойылатын сұрақтар
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.
| Материал: | Steel |
|---|---|
| Usage: | Garbage Truck |
| Құрылымы: | General Cylinder |
| Power: | Hydraulic |
| Standard: | Standard, Nonstandard |
| Working Pressure: | 16MPa |
| Теңшеу: | Қолжетімді |
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How do manufacturers ensure the durability and reliability of hydraulic cylinders?
Manufacturers employ various strategies and techniques to ensure the durability and reliability of hydraulic cylinders. These measures are crucial as hydraulic cylinders are often subjected to demanding operating conditions and heavy loads. To ensure their longevity and dependable performance, manufacturers focus on the following aspects:
1. High-Quality Materials:
– Manufacturers use high-quality materials in the construction of hydraulic cylinders. Components such as cylinder barrels, piston rods, seals, and bearings are made from materials that possess excellent strength, corrosion resistance, and wear resistance properties. Common materials used include high-grade steel alloys, chrome-plated rods, and specialized coatings. The selection of appropriate materials ensures that hydraulic cylinders can withstand the stresses, pressures, and environmental conditions they encounter during operation.
2. Robust Design:
– Hydraulic cylinders are designed to withstand high loads and harsh operating conditions. Manufacturers use computer-aided design (CAD) software and finite element analysis (FEA) techniques to optimize the cylinder’s structural integrity and performance. The design includes factors such as proper wall thickness, reinforcement in critical areas, and appropriate sizing of components. Robust design practices ensure that hydraulic cylinders can withstand the forces and stresses they encounter, preventing premature failure and ensuring durability.
3. Quality Manufacturing Processes:
– Manufacturers follow stringent quality control measures during the manufacturing processes of hydraulic cylinders. These processes include precision machining, welding, heat treatment, and surface finishing. Skilled technicians and advanced machinery are employed to ensure dimensional accuracy, proper fitment of components, and overall quality. By adhering to strict manufacturing processes and quality standards, manufacturers can produce hydraulic cylinders with consistent performance and reliability.
4. Sealing Technology:
– The sealing system of hydraulic cylinders is critical for their durability and reliability. Manufacturers utilize advanced sealing technologies such as lip seals, O-rings, and composite seals to prevent fluid leakage and ingress of contaminants. Properly designed and high-quality seals ensure that hydraulic cylinders can maintain their performance over extended periods. Seals are tested for their compatibility with the hydraulic fluid, pressure resistance, and resilience to environmental factors such as temperature and humidity.
5. Performance Testing:
– Manufacturers subject hydraulic cylinders to rigorous performance testing to validate their durability and reliability. These tests simulate real-world operating conditions and evaluate factors such as load capacity, pressure resistance, fatigue life, and leakage. Performance testing helps identify any design flaws or weaknesses in the hydraulic cylinder and allows manufacturers to make necessary improvements. By conducting thorough performance testing, manufacturers can ensure that hydraulic cylinders meet or exceed the required performance standards.
6. Compliance with Industry Standards:
– Manufacturers adhere to industry standards and regulations to ensure the durability and reliability of hydraulic cylinders. These standards, such as ISO 6020/6022 and NFPA T3.6.7, provide guidelines for design, manufacturing, and performance requirements. By following these standards, manufacturers ensure that hydraulic cylinders are designed and built to meet specific quality and safety criteria. Compliance with industry standards helps establish a baseline for durability and reliability and instills confidence in the performance of hydraulic cylinders.
7. Regular Maintenance and Service:
– Manufacturers provide recommendations for regular maintenance and service of hydraulic cylinders. This includes guidelines for lubrication, inspection of components, and replacement of wear parts such as seals and bearings. Following the manufacturer’s maintenance guidelines helps ensure the long-term durability and reliability of hydraulic cylinders. Regular maintenance also allows for the early detection of potential issues, preventing major failures and extending the service life of the hydraulic cylinders.
8. Customer Support and Warranty:
– Manufacturers provide customer support and warranty services to address any issues that arise with hydraulic cylinders. They offer technical assistance, troubleshooting guidance, and replacement of defective components. The warranty ensures that customers receive reliable and durable hydraulic cylinders and provides recourse in case of any manufacturing defects or premature failures. Strong customer support and warranty policies reflect the manufacturer’s commitment to the durability and reliability of their products.
In summary, manufacturers ensure the durability and reliability of hydraulic cylinders through the use of high-quality materials, robust design practices, stringent manufacturing processes, advanced sealing technology, thorough performance testing, compliance with industry standards, regular maintenance guidelines, and customer support with warranty services. By focusing on these aspects, manufacturers can produce hydraulic cylinders that can withstand demanding conditions, provide long service life, and deliver reliable performance in various applications.
Гидравликалық цилиндрлердегі сұйықтықтың ағуын және ластануын азайту мәселелерін шешу
Гидравликалық цилиндрлер сұйықтықтың ағып кетуі мен ластануын азайтуға келгенде қиындықтарға тап болады, себебі бұл мәселелер жүйенің жұмысына, сенімділігіне және қызмет ету мерзіміне әсер етуі мүмкін. Дегенмен, бұл қиындықтарды тиімді шешуге көмектесетін бірнеше шаралар мен жобалау мәселелері бар. Гидравликалық цилиндрлер сұйықтықтың ағып кетуі мен ластануын азайту қиындықтарын қалай шешетінін қарастырайық:
- Тығыздау жүйелері: Гидравликалық цилиндрлер сұйықтықтың ағып кетуіне жол бермеу үшін озық тығыздау жүйелерін пайдаланады. Бұл жүйелер әдетте поршень тығыздағыштары, штанга тығыздағыштары және сүрткіш тығыздағыштары сияқты әртүрлі тығыздағыштарды қамтиды. Тығыздағыштар цилиндрдің қозғалатын компоненттері мен сыртқы орта арасында тығыз және сенімді тосқауыл жасауға, сұйықтықтың ағып кету қаупін азайтуға арналған.
- Тығыздағыш материалын таңдау: Тығыздағыш материалдарын таңдау сұйықтықтың ағып кетуі мен ластануын азайтуда өте маңызды. Гидравликалық цилиндр өндірушілері қолданылатын гидравликалық сұйықтықпен үйлесімді және тозуға, абразияға және химиялық ыдырауға төзімді тығыздағыш материалдарын мұқият таңдайды. Бұл тығыздағыштардың ұзақ қызмет ету мерзімі мен тиімділігін қамтамасыз етеді, ағып кету немесе тығыздағыштың мерзімінен бұрын істен шығу ықтималдығын азайтады.
- Дұрыс орнату және техникалық қызмет көрсету: Гидравликалық цилиндрлерді дұрыс орнатуды және үнемі техникалық қызмет көрсетуді қамтамасыз ету сұйықтықтың ағып кетуі мен ластануын азайту үшін өте маңызды. Орнату кезінде дұрыс туралауға, болттардың айналу моментіне және ұсынылған процедураларды сақтауға назар аудару керек. Үнемі техникалық қызмет көрсету тығыздағыштарды тексеруді, тозған компоненттерді ауыстыруды және ағып кетудің кез келген белгілерін уақтылы жоюды қамтиды. Тиісті техникалық қызмет көрсету тәжірибелері мәселелердің ушығып, елеулі мәселелер тудырмас бұрын оларды анықтауға және түзетуге көмектеседі.
- Ластануды бақылау: Гидравликалық цилиндрлер ластануды бақылау және сұйықтықтың тазалығын сақтау шараларын қамтиды. Бұған гидравликалық сұйықтықтан бөлшектер мен ластаушы заттарды кетіру үшін сүзгі жүйелерін, мысалы, желілік сүзгілерді пайдалану кіреді. Сонымен қатар, гидравликалық резервуарларда ылғал мен ауадағы ластаушы заттардың жүйеге енуіне жол бермеу үшін көбінесе тыныс алу және құрғатқыш сүзгілер болады. Ластануды бақылау арқылы гидравликалық цилиндрлер ішкі компоненттердің зақымдану қаупін азайтады және жүйенің оңтайлы жұмысын сақтайды.
- Қоршаған ортаны қорғау: Гидравликалық цилиндрлер сыртқы ластаушы заттардан қорғау үшін қорғаныс құралдарымен жабдықталуы мүмкін. Мысалы, шыбық пен тығыздағыштарды жұмыс ортасындағы қоқыстардан, кірден немесе ылғалдан қорғау үшін сильфондар немесе қорғаныс етіктерін орнатуға болады. Бұл қорғаныс шаралары тығыздағыштардың қызмет ету мерзімін ұзартуға және гидравликалық цилиндрдің жалпы сенімділігін арттыруға көмектеседі.
Қорытындылай келе, гидравликалық цилиндрлер сұйықтықтың ағып кетуі мен ластануын азайту қиындықтарын шешу үшін тығыздау жүйелерін, тиісті тығыздау материалдарын, дұрыс орнату және техникалық қызмет көрсету тәжірибелерін, ластануды бақылау шараларын және қоршаған ортаны қорғау мүмкіндіктерін пайдаланады. Осы шараларды енгізу арқылы өндірушілер гидравликалық цилиндрдің сенімді және ұзақ мерзімді жұмыс істеуін қамтамасыз ете алады, сұйықтықтың ағып кету қаупін азайта алады және гидравликалық жүйенің тазалығын сақтай алады.
How do hydraulic cylinders ensure precise and controlled movement in equipment?
Hydraulic cylinders are widely used in various equipment and machinery to provide precise and controlled movement. They utilize hydraulic fluid and mechanical components to achieve accurate positioning, smooth operation, and reliable control. Here’s a detailed explanation of how hydraulic cylinders ensure precise and controlled movement in equipment:
1. Hydraulic Principle:
– Hydraulic cylinders operate based on Pascal’s law, which states that pressure exerted on a fluid is transmitted equally in all directions. The hydraulic fluid is contained within the cylinder, and when pressure is applied, it acts on the piston, generating force. By controlling the pressure and flow of hydraulic fluid, the movement of the cylinder can be precisely regulated, allowing for accurate and controlled motion.
2. Force and Load Management:
– Hydraulic cylinders are designed to handle specific loads and forces. The force generated by the hydraulic cylinder depends on the hydraulic pressure and the surface area of the piston. By adjusting the pressure, the force output can be controlled. This allows for precise management of the load and ensures that the cylinder can handle the required force without exerting excessive or insufficient force. Proper load management contributes to the precise and controlled movement of the equipment.
3. Control Valves:
– Control valves play a crucial role in regulating the flow and direction of hydraulic fluid within the cylinder. These valves allow operators to control the extension and retraction of the cylinder, adjust the speed of movement, and stop or hold the cylinder at any desired position. By manipulating the control valves, precise and controlled movement can be achieved, enabling operators to position equipment accurately and perform specific tasks with precision.
4. Flow Control:
– Hydraulic cylinders incorporate flow control valves to manage the rate of hydraulic fluid flow. These valves control the speed of the cylinder’s extension and retraction, allowing for smooth and controlled movement. By adjusting the flow rate, operators can precisely control the speed of the cylinder, ensuring that it moves at the desired rate without sudden or erratic movements. Flow control contributes to the overall precision and control of the equipment’s movement.
5. Position Sensing:
– To ensure precise movement, hydraulic cylinders can be equipped with position sensing devices such as linear transducers or proximity sensors. These sensors provide feedback on the position of the cylinder, allowing for accurate position control and closed-loop control systems. By continuously monitoring the position, the equipment’s movement can be controlled with high accuracy, enabling precise positioning and operation.
6. Proportional Control:
– Advanced hydraulic systems utilize proportional control technology, which allows for precise and fine-tuned control of the hydraulic cylinder’s movement. Proportional valves, often operated by electronic control systems, provide variable flow rates and pressure adjustments. This technology enables precise control of speed, force, and position, resulting in highly accurate and controlled movement of the equipment.
7. Cushioning and Damping:
– Hydraulic cylinders can incorporate cushioning and damping mechanisms to ensure smooth and controlled movement at the end of the stroke. Cushioning features, such as adjustable cushions or shock absorbers, reduce the impact and decelerate the cylinder before reaching the end of the stroke. This prevents abrupt stops and minimizes vibrations, contributing to precise and controlled movement.
8. Load Compensation:
– Some hydraulic systems utilize load compensation mechanisms to maintain precise movement even when the load varies. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This compensation ensures that the equipment’s movement remains accurate and controlled, regardless of changes in the applied load.
In summary, hydraulic cylinders ensure precise and controlled movement in equipment through the application of hydraulic principles, force and load management, control valves, flow control, position sensing, proportional control, cushioning and damping mechanisms, and load compensation. These features and technologies allow operators to achieve accurate positioning, smooth operation, and reliable control, enabling equipment to perform tasks with precision and efficiency. The combination of hydraulic power and careful design considerations ensures that hydraulic cylinders deliver precise and controlled movement in a wide range of industrial applications.
editor by CX 2023-11-28