Mining Equipment Hydraulic Cylinder Coal Mining Machine 12hm31 Parts Miner Hydraulic Cylinder

• Customization: Available
• Certification: GS, ISO9001, ISO/Ts 16949
• Pressure: 36.7 MPa
• Model NO.: 250.8/146*1106
• Work Temperature: -30~+80 Degree Centigrade
• Acting Way: Single/Double Acting
• Working Method: Straight Trip
• Adjusted Form: Telescopic Type
• Structure: Piston Type
• Material: 27simn,40cr,30crmnsi
• Outer Tube Diameter: 250.8mm
• Maximum Stroke: 1106mm
• Delivery Time: 20 Days
• Warranty: 14 Months From Production Time
• Color: According to Your Requirements
• Certificate: ISO/Ts16949, ABS, API
• Transport Package: Wooden Boxes or Pallets
• Specification: ISO/TS16949, ABS, API
• Trademark: WTJX
• Origin: Shandong, China
• HS Code: 8412210090
• Production Capacity: 300, 000 Sets

Product Description

Company Profile
Wantong is a professional hydraulic cylinder manufacturer in China, specialized in the design, R&D and manufacture of hydraulic machinery.We have developed unique and advanced equipment by ourselves to insure first-class quality! All production steps are finished in the same factory, and this guarantees good quality and short lead time. Our main products are hydraulic cylinders for dump trucks, coal mining machinery, tippers, engineering machinery .We have a professional research and development team and cooperate with many universities. Advanced equipment, excellent talents and strict management help us develop first-class products.We have solid and advanced production equipments including cold drawing line, heat treatment line, surface treatment line, testing machines and various CNC machines.

Product Description
1. Strictly select the procurement channels, choose high-strength materials from domestic high-quality steel mills such as Shanghai Baosteel and Daye Steel, and develop reasonable heat treatment and welding processes to ensure that the cylinder has extremely high pressure resistance performance under high pressure and heavy load. 2. We have a variety of perfect surface treatment processes, including milky white chromium+hard chromium, tin bronzethard chromium, bronze plating on inner holes, laser cladding of stainless steel on the inner and outer circles, and melting copper on inner holes, to meet the different needs of customers.
3. Customized designs can be made according to customer needs.
4. The company has passed the safety standard audit and obtained Mining Product Safety Mark Certificate, with reliable quality.

Specification   

Item	Value
Product Name	Miner Cylinder
Outer Tube Diameter	250.8mm
Maximum Stroke	1106mm
Weight	824kg
Warranty	14 Months
Working Pressure	36.7 Mpa
Place of Origin	Shandong,China
Color	Client's Request

Production Equipment
The company has more than 1000 sets of machinery processing,automatic precision processing, cold drawing, electroplating, heat treatment, automatic painting system, automatic assembly control system, automatic welding and other equipment. With the processing of cylinder diameter 630mm, length of 6 meters within the cylinder of the whole process processing capacity.

Quality Inspection
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. Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test.
1). Trial Operation Test
2). Start-up Pressure Test
3). Pressure-Tight Test
4). Leak Test
5). Full Stroke Test
6). Buffer Test
7). Testing the Effect of Limit
8). Load Efficiency Test
9). Reliability Test

Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

Our Service
1).Pre-sale service: Keep communicating with the truck manufacturers, including selection of product model, design of hydraulic system, test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers.
2).The sale service: Provide training and technical support for users.
3).After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need. 
4). 24 hours telephone service hotline.

Our Honor

Our Customer

Domestic Marketing Locations
The company's products are widely sold in Shandong, Shaanxi, Shanxi, Henan, Hebei, Hubei, Beijing, Inner Mongolia, Gansu and other more than 20 provinces, municipalities and autonomous regions.

Foreign Marketing Locations
Our products are exported to the United States, Canada, Mexico, Russia, South Africa, Indonesia and other Europe, America, South America, Southeast Asia.

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. 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.

 

Q3. 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.

 

Q4. How to ensure thecylinder sealing performance?

· We use high-quality imported or domestic first-line brand seals (such as Hallite, SKF,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.

 

Q5. How long is your delivery time?

· 10-25 days.