Product Description

High quality 4wd tractor with competitive prices

We will provide :
1.English manual with sketches of machine structure of this standard model;
2.Full catalog of QILU tractor for reselling(pictures and videos for customers reselling);
3.Full videos about operating teaching including the after sale services steps;
4.Extra filters and toolbox for easy maitain;
5.Spare parts by air express(low weight);
6.30% advance payment for production starting,the balance after the customer's confirmation by videos and pictures.

Product Parameters

 

Model	QL-504B	Model	QL-504B
Power(kw)	36.8	Driving mode	4X4 4WD
Lengt(mm)	33/8822 0571 .1
Front tread(mm)	1200	Reverse speed(km/h)	2.52-11.65
Rear tread(mm)	1100	PTO(r/min)	720/540

Our Advantages

Features

1.It is equipped with famous and excellent national two/three engines, with large torque reserve, strong power and low fuel consumption.

2.Full hydraulic steering system, flexible and light to operate.

3.Middle shift gear, easy to operate.

4.8+2 gear shift, reasonable speed matching, high working efficiency and strong adaptability.

5.The new miniature LCD instrument is developed according to the harsh working conditions of construction machinery and has high reliability.

Detailed Photos

 

Packing and Shipping

Other Products

 

Company Profile

   

   ZheJiang Qilu Industry is a manufacturing enterprise that develops, produces and sells high-end non-road machinery and equipment. The industrial park was established in 2016 with a total investment of 1 billion yuan, covering an area of more than 300 acres, and designing and producing 50,000 units (sets) of machinery and equipment products annually. The company's main business includes agricultural equipment and construction machinery. The agricultural equipment business focuses on the R&D and manufacturing of high-end smart tractors. Construction machinery focuses on the development and manufacturing of excavators and loaders. The production and sales volume of more than 10,000 units ranks among the top 6 in the industry.
  
    Our goal is to create high-quality, highly competitive products that can quickly open and occupy the market. At the same time, we provide distributors with high-quality after-sales service and strong support, so that we can grow together and achieve a CZPT situation.
    Distributors from various countries are welcome to settle in.

FAQ

Are you a manufacturer or Trader ?

We are a professional manufacture , we have our own R&D team and sales team, we provide one-stop service.

What is your payment term ?
We accept T/T, L/C at sight, Western Union, Paypal etc.

How long is the validity of quotation ?
Generally,our price is valid within 1 month from the date of quotation .The price will be adjusted appropriately according to the price fluctuation of raw material and changes in market .

What is your delivery time ?
Usually, we make merchandise inventory, if we have the products in stock, the delivery time is 5-10 days after receiving the deposit.
If we don't have the products in stock, we will arrange the production right now, the delivery time will be 30-45 days,It depend on the order quantity.

Do you provide OEM/ODM Service ?
Yes, offer me necessary information, we provide custom-make service to meet different needs of global clients with different budgets

Do you have CE certificate ?
Yes, most of our products have the CE certificate

How can we ensure quality?
The final inspection is always carried out before shipment.

How to install the equipment after purchasing ?
We will provide professional installation video to illustrate.Also provide manual.

Do you offer a guarantee?
Yes, we guarantee our product for 1 year. Provide after-sales service support andagricultural technical support.

What is your MOQ?
1Sets

Advantages of Ball Screws and How They Can Benefit Your Applications

When selecting a ball screw for your application, there are several factors to consider. This article will discuss high mechanical efficiency, low friction, multiple repair options, and application requirements. Choosing the right ball screw can help you get the job done quickly and effectively. To make your decision easier, consider the following tips. Read on to learn about some of the advantages of ball screws and how they can benefit your applications. Here are some of the most common types:

High mechanical efficiency

The mechanical efficiency of ball screws can be measured using the axial load test. The axial load is equal to 0.5 x FPr / 2Fpr. The elastic deformations are measured as DL1 and DL2, respectively. Common engineering procedures work at 90 percent reliability; however, certain sectors require higher reliability, which has a direct impact on the dynamic load capacity. The axial load test is 1 of the most widely used methods to determine the mechanical efficiency of ball screws.
In order to achieve high translation, ball screws must be designed with high stiffness and positioning accuracy. In addition, high preloads increase the initial driving torque and cause more friction and heat. Other important design criteria include low driving torque and reduced slip motion. This means that the high translation capacity of ball screws must be well matched to the overall application. The following are some common design criteria for ball screws. You can select the best type of ball screw for your needs.
The high mechanical efficiency of ball screw is achieved by avoiding the common sag and pitch problem. The ball track design helps to reduce the centrifugal force. The ball screw's diameter can be adjusted by adjusting the centre pitch of the nut on 2 ball tracks. The nut's axial load is also adjusted through the offset centre pitch. This method allows the users to increase the mechanical efficiency of ball screw by up to 40%.
When calculating the mechanical efficiency of ball screw, consider the application's environment, speed, and other factors. If the application requires precision and accuracy, then the ball screw is the right choice. The engineering department of a ball screw manufacturer will carefully review the application factors and come up with a design that meets the application's expectations. Moreover, some manufacturers even offer customized ball screws, which can be tailored to your requirements.

Low friction

The operating performance of a low-friction ball screw is characterized by its minimal friction. This screw has a structure that transmits forces through rolling steel balls. The torque is calculated by calculating the load and the lead screw's dimensions. This type of screw can be used for a variety of different applications, including hydraulic systems. Read on to learn more about this type of screw and how it can help you build a more reliable and durable car.
The critical speed of a ball screw is higher than that of a lead screw, so this type of screw can accommodate larger loads and speeds. It also has a lower friction coefficient, which reduces the amount of heat produced. High-quality ball screws can withstand longer duty cycles than standard lead screws. However, in order to compare the two, you must take into account the duty cycle. Low-friction ball screws are more durable than lead screws, and the duty cycle is only 1 of the factors you should consider when selecting them.
The ball bearings are the most prominent component of a low-friction ball screw. Their main function is to reduce the friction between the nut and the shaft. Without them, the friction would be too high. This feature is possible thanks to the ball bearing's groove profile. Two arcs intersect at the contact points on the shaft and nut. Consequently, the ball bearing reduces friction in a way that is essentially non-existent without the bearing.
The mechanical efficiency of a low-friction ball screw is very high. The typical ball screw is up to 90% efficient, but some types can reach a higher efficiency. They are commonly used in machine slides, presses, and linear actuators. The high efficiency of a low-friction ball screw makes it a great choice for many different applications. This type of screw is made of several main components. The ball bearings provide the helical raceway for the ball assembly and threaded shaft is the screw part. The ball screw is comparatively more bulky than a conventional leadscrew, but the overall size is smaller than its lead counterpart.

Multiple repair options

A damaged ball screw will typically display visible physical signs, including noise or vibration. Additionally, worn ball screws will require more horsepower and torque to operate. They may also cause lead accuracy issues. Luckily, there are multiple repair options for ball screws. You can get new ball screws to restore preload and reduce backlash. But there are some warning signs to look out for first. Keeping a close eye on your ball screw's health can help you avoid a costly replacement.
Look for a ball screw repair company with a proven track record of servicing all types of ball screws. The service should offer a free evaluation and 3 types of service: reload, recondition, and replacement. Reload is the simplest option and involves cleaning and polishing the screw and ball nut. Reconditioning or replacement, on the other hand, requires new parts. Choose the 1 that offers the best value for your money.
EP offers an emergency service and superior service for your ball screws. Their UK service includes delivery and international shipping. All ballscrew repairs are covered by a full service warranty, and the company is known for providing competitive pricing. If you do need a ball screw repair, look no further. Contact K+S today to discuss your specific needs. You'll be glad you did. You'll save up to 70% over purchasing a new ball screw.
While ball screw repair is an easy and inexpensive option, it may be necessary to have it replaced more frequently than the usual. In addition to replacing worn ball screws, you may need to consider a different type of repair. This process involves grinding the ball nut and journal diameters back to their original size. Fortunately, level 4 is the most expensive but can restore a screw's lifespan. This is also the most extensive type of repair available for a ball screw.

Application requirements

A ball screw is an efficient solution for precision motion control in many applications, including automotive and aerospace. These screw-type devices are highly resistant to corrosion, and the alternating steel-ceramic architecture ensures extreme reliability and sturdiness. For the aerospace sector, a ball screw replaces the typical hydraulic system, and the product is used in wind turbine blade pitch and directional position, solar panel movement, and gate control in hydroelectric stations. Ball screws are also used in motorised inspection tables, step photolithography machines, microscopic integrated circuits, and many other applications.
The most critical requirements for a ball screw assembly are backlash and bearing support. Backlash is the amount of axial motion between the screw and nut, which leads to positioning errors. Although this axial motion is minimal, it can be as little as 70um. If the preload is too large, a ball screw may suffer from excessive heat. Depending on the application, the amount of preload required can be adjusted to maximize the overall performance of the device.
The choice of screw is determined by the load capacity. For example, plastic nuts are commonly used for light loads, while bronze nuts are used for loads that weigh several thousand pounds. Lead screws are not particularly reliable in situations where load requirements are extremely high, and a ball screw will often be a better option. The lower friction of a ball screw allows it to withstand higher duty cycles than a lead screw. When the load requirements exceed lead screws' capacity, a ball screw is the better choice.
A step photolithography machine is another example of an application where ball screws play an important role. This device helps manufacturers produce microscopic integrated circuits by harnessing the reaction of light. A stepper is a critical piece of this machine, as it controls the positioning of light exposure on the silicon wafer. High precision is required for this application. Ultimately, a ball screw will make the process easier. Its proven record for meeting instrumentation requirements is an excellent example of its value in the laboratory.

Cost

The global market for ball screws is growing at a steady pace, but what drives the growth? In the ball screw industry, performance, cost, and analytical predictability are the primary concerns of OEMs. This market study provides in-depth analysis of these market dynamics. You'll learn how to best compete in the global market for ball screws. Here are some tips to help you get started:
Ensure you have a good grasp of the differences between lead and ball screws. The cost of lead screws depends on their efficiency, and some of them can achieve C5 level accuracy. However, ball screws are more durable and more repeatable. Besides, lead screws can't achieve high precision because of their sliding motion, which gradually grinds away the accuracy. As a result, the cost of a ball screw is more than compensated by the improved performance of OEMs.
To get the best price for ball screw, look for a manufacturer with a strong technical force. Most of these manufacturers have sophisticated equipment and strict quality control systems. They draw inspiration from the requirements of the market and have continuously increased their technological content to stay ahead of the competition. If you're in Pune, look for a manufacturer with this technology. It won't be difficult to do business with such a supplier. The company will also provide you with contact information, including their office address and phone numbers.
When choosing between lead and ball screws, you need to understand how they work and why they're more reliable. Ball screws are more durable than lead screws, which is 1 of the primary reasons for their popularity. Lead screws, on the other hand, are often used for vertical applications. Lead screws tend to be cheaper than ball screws, but they have more limitations. When used properly, however, they can increase the life and performance of machines. In general, they're corrosion-resistant and offer great design flexibility.