Hydraulic Boom Bucket Arm Cylinder for Coal Mining with Excellent Price

• Customization: Available
• Certification: GS, CE, ISO9001, ISO16949
• Pressure: 22~27.5MPa
• Model NO.: 80/50*900
• Work Temperature: -30~+80 Degree Centigrade
• Acting Way: Double Acting
• Working Method: Straight Trip
• Adjusted Form: Telescopic Type
• Structure: Piston Type
• Material: 25mn+45#Steel
• Estimated Time: 20 Days
• Place of Origin: Shandong, China
• Warranty: 14 Months From Production Time
• Work Pressure: 22-27.5MPa
• Color: as Customer′s Requirement
• Transport Package: Wooden Case
• Specification: 80/50*900
• Trademark: WTJX
• Origin: Shandong, China
• HS Code: 8412210090
• Production Capacity: 300, 000 Sets / Year

Product Description

Product Description

The products range covers 6 tons to 50 tons excavator cylinder, cylinder diameter range is φ85-φ190mm, length is 3000mm. Piston rod diameter range is φ45-φ135mm, length is 3000mm. Products can be customized according to customer requirements.

 

Product Model
 

Medium pressure cylinder

It is mainly small excavator cylinder, suitable for pressure of 27.5 Mpa , working environment temperature - 30°C~ 80°C.
 

Model	Bore Diameter (mm)	Rod Diameter (mm)	Stroke (mm)	Mounting Distance	Pressure (Mpa)
Boom Cylinder	115~120	60~85	720~1280	1095~1810	22~27.5
Arm Cylinder	95~135	60~95	880~1538	1280~2105	22~27.5
Bucket Cylinder	85~120	55~85	600~1341	925~1640	22~27.5
Bulldozer Cylinder	110	60~70	194	536	22~27.5

 

High pressure cylinder

It is mainly medium and large excavation cylinder, with applicable pressure of 34.3mpa, working temperature of - 30 °C ~ 80 °C .

Model	Bore Diameter (mm)	Rod Diameter (mm)	Stroke (mm)	Mounting Distance	Pressure (Mpa)
Boom Cylinder	120~170	85~130	1280~1610	1810~2290	30~35
Arm Cylinder	135~190	95~135	1538~1980	2105~2780	30~35
Bucket Cylinder	120~170	80~135	1050~1341	1640~2041	30~35

 

Our products are designed with the following advantages:

1.There are many product models, which can meet the needs of most customers;
2.We have a professional design team, they are one of the driving forces for our development;
3.Our design team can customize products according to the needs of customers to meet the needs of different customers.

About Us

Shandong Wantong Hydraulic Co., Ltd is one of the biggest hydraulic cylinder manufacturer in China, specialized in design, R & D and manufacturing of hydraulicmachinery products etc, with its annual production capaciy of 200000 sets.My company with 600 employees in it ,covers an area of 180000 square meters.There are 700 sets of mnufacturing equipment. Our company invested 10 million RMB in two cold drawing lines, one is 200 tons and the other is 320 tons with acid cleaning, phosphatization, heat treatment and alignment cutting.

All production steps are finished in the same factory, and this guarantees good quality and short lead time. All the products are ISO/TS16949, CCRI, CCS, and DNV and ABS certified. We passed ISO/TS16949 International Quality System Certification, and we are an "AAA Level Standardization and Good Behavior Enterprise". The technology center of our company was rated as Provincial Technology Center, and our company has become the base of production, education and research of Shandong University of Science and Technology. Advanced equipment, excellent talents and strict management help us develop first-class products.

The company has been deeply rooted in the hydraulic field for 20 years, with a stable management team and key technical personnel. Adhering to the corporate philosophy of "creating hydraulic products for customers", the company has persisted in research and development investment for many years, mastering core production process technologies such as cold drawing technology, sealing structure optimization technology, piston rod heat treatment and surface treatment technology, mirror polishing roughness control technology, and accumulator dual chamber technology. Starting from the actual needs of customers, the company continuously innovates and gradually positions itself in the mid to high end market, providing high-quality products for customers in industries such as automobiles, coal mines, petroleum, and engineering machinery with high-quality services.
 

Machining Equipmnet

Horizontal Lathe:
The maximum workpiece rotation diameter for machining is Ø 1600mm, the maximum workpiece rotation diameter for tool holder is Ø 1250mm, and the maximum workpiece length is 6m.

CNC vertical lathe:
With a maximum processing capacity of Ø 1600mm. It mainly processes large disc and cover parts. Such as the outer circle, inner hole, internal thread, external thread, sealing gear, etc. of the end face of the piston/gland.

External grinding machine:
The external grinding accuracy is IT5-IT6, the roughness is Ra 0.1-0.4, the grinding diameter is Ф 800mm, and the grinding length is within 6m.

Deep hole boring/scraping rolling machine:
It is mainly used for machining inner holes in cylinder bodies, with the ability to machine inner holes with the diameter of less than Ф 630mm and the length of less than 6m.

Every piece of hydraulic cylinder are processed through dozens of steps, including raw material processing, cylinder assembly, painting, etc. Each step is indispensable, and we also have advanced processing equipment to ensure that the processing dimensions of raw materials meet the requirements of product production.

Quality Inspection

Raw Material Inspection:
The material of raw materials is detected by carbon and sulfur analyzers and spectrometers.

Material Performance Inspection:
The tensile strength, yield strength, hardness and other properties of the material are tested by the material tensile test bench,Brinell hardness tester, Vickers hardness tester and other equipment.

Process Inspection:
The geometric shape, shape and position tolerance and finish of semi-finished products are detected by three coordinates,
profilometer and ultrasonic roughness meter.

Chrome Plating Control:
The thickness, hardness and corrosion resistance of the product coating are tested by ultrasonic hardness tester, ultrasonic thickness gauge and salt spray test bench.

Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test. Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.
 

Packaging & Transportation

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided. Plywood Case, or according to your requirements, We will pack and ship the products in strict accordance with the requirements to ensure that they can be delivered to our esteemed customers in perfect condition.

Credentials & Collaborations

 
Shandong Wantong Hydraulic Co., Ltd. is a very excellent enterprise in all aspects, so we have gained a lot of honors and certificates at home and abroad, and we are the partners of many leading enterprises in China, we provide them with first-class hydraulic products and services, deeply trusted by them, at the same time and in the right place, we will also participate in various exhibitions to promote our latest products, I believe your choice will make us more successful.


FAQ
 

Q1: Are you a factory or a trader?
We are a factory, and in China we are a leading enterprise in the hydraulic industry. We have two factories covering an area of 180,000 square meters, with more than 700 employees and more than 1,000 sets of production equipment.

Q2: Do you support OEM and ODM?
We can accept both.

Q3:What is your after-sales service?
Our products come with a 14-month warranty.lf any quality issues arise during this period,We will replace the parts for free for maintenance, or directly replace the new cylinder.

Q4: Do you have any cylinder surface treatment processes?
Our company has 6 complete surface treatment production lines. We can perform chromium plating, zinc plating, copper plating, copper melting ,QPQ,and laser cladding.

Q5:How to ensure the cylinder sealing performance?
We use high-quality imported or domestic first-line brand seals (such as Hallite,Longli, etc.),Our cylinders will undergo pressure resistance tests and pressure holding tests higher than the rated working pressure before leaving the factory to ensure long-term stable operation without leakage within the rated pressure range.

Q6:How long is your delivery time?
10-25 days.

Q7:Which trade terms do you support?Is it possible to pay by installments?
Any terms are acceptable, such as EXW, FOB, CIF, DDP, etc.Installment is supported, it needs to be discussed specifically based on the order amount.

Q8:What is your greatest strength?
Our company has a complete production line and quality control system. From the start of production to packaging, all processes are manufactured in our company, ensuring quality while minimizing costs to the greatest extent.