Tag Archives: china crawler tractor

China Professional Remote-Control Crawler Tractor Power Tiller with Mower and Trencher Function with Great quality

Product Description

Product Description

Mini crawler cultivator machine is a kind of easy-to-use and widely-used agricultural machinery.3 + 1 walking gearbox, 230mm international engineering rubber track, 1 machine with 9 functions.Only 1 host is needed to realize the functions of rotary ploughing, furrowing, weeding, fertilizing, pesticide application, backfilling, ridge, bulldozer and transportation platform by changing different attachments.
 

 

Detailed Photos

 

Product Parameters

Product name Crawler Cultivator Main Machine
Power 23KW/32HP
Gear 3 forward gear 1 reverse gear
Climbing 30°
Engine Diesel engine
Fuel consumption 5.5L/h
Transport size 290*110*100cm
Weight 800KG
Rubber track size 230*72*43cm
Remote control distance ≤200M
Ground clearance 28cm
Diesel tank capacity 24L
Rotary cultivator
Type Rotary knife type integral or split knife shaft
Quantity of blades 28
Rotating speed 350 r/min
Rotary tillage depth 20-22cm
Rotary tillage width 1.2m
Blade material 65 Model manganese steel
Sprayer
Modus Air spray
Spray radius 10-12M
Medicine box capacity 320L( Two Medicine boxes)
Nozzle quantity 7
Trencher
Blade material 65 Model manganese steel
Type Knife disc type
Work efficiency 800-1000 m/hour
Ridging depth 25cm-30cm
Rotating speed 550 r/min
Bulldozer
Width 1.12m
Height 36cm
Backfill
Type Spiral type
Rotating speed 550 r/min
Working width 1m-1.2m(customizations)
Lawn mower
Type Vertical knife
Stubble height 3cm-5cm
Mowing width 120cm
Knife disc rotating speed 950 r/min
Ridging
Ridge height 20cm
Up ridge width 40cm
Down ridge width 70cm
Transportation platform
Platform area 120cm*124cm
Driving load 500kg
Ground clearance 180cm
Fertilize
fertilizer tank capacity 150L
Fertilization depth 5-25cm

Packaging & Shipping

 

HangZhou MaiCheng Machinery Equipment Co., Ltd., founded in 2016 and located in the Industrial Cluster area of Xihu (West Lake) Dis.,HangZhou, covers an area of more than 60,000 square meters, is an independent export-oriented enterprise, professionally engaged in design, manufacturing and trade. Our business mainly includes industry, agriculture, graziery, mining machinery and accessories. hardware, electromechanical, new energy equipment and auxiliary products, as well as the manufacturing and trade of municipal rescue supporting materials.
MaiCheng has over 200 employees, produces 10,000 sets agricultural implements and 1,000,000 pcs of accessories annually and photovoltaic bracket system 800 MW. MaiCheng owns advanced mechanical processing, welding, stamping, forging,sandblasting, painting production lines, etc., We export products to the United States, Germany, France, Australia, Africa,Southeast Asia and other more than 70 countries and regions, and trusted by customers.

 

After Sales Service

  1. All products enjoy 12 months warranty period. The warranty period is calcualted from the date of bill of lading .For the defect of material or workmanship has occurred in normal operation, The defective parts will be repaired or replaced free of charge.
  2. The guarantee parts will be offered to you in 2 ways.for the urgent request parts, We will ship the spare parts by international courier, The client will assure the courier expense. For the regular claim spare parts, we will ship them together with next order.
  3. We provide our clients with genuine spare parts with the highest quality,exact fitness .If needs,please submit your spare parts request to us,and list products name ,description of required parts.we guarantee that your request will be handled quickly and appropriately.
  4. We can also provide training services to different users.

FAQ

     

1. Q: Full price list for these products

 A: If you need the price list for these products, please notify the product model so that I can quote you accordingly.Please understand we have a very wide product range, we don't usually offer full products price list.
2. Q: Business terms
A: Shipment time: 20-30days after your payment Shipment: By sea
  Loading port: HangZhou/ZheJiang port, China
  Destination port: ...To be advised
  Payment: T/T, L/C, DP
  Warranty: 1 year
3. RE: CE
A: Most of our products are certified by CE.
4. Q: Sample test
A: If you need 1 sample for test, we could supply for you. Buy the buyer will bare the cost.
5. Q: Why choose Hannstar for cooperation?
A: Comparing with our competitors, we have much more advantages as follows:
1. More than 10 years in manufacturing farming machine
2. More Professional Sales staffs to guarantee the better service
3. More agric machines for your choice
4. More New products into your range to avoid price competition
5. Larger quantity production and shipment
6. Better quality to guarantee better Credit.
7. Faster delivery time: only 20days
8. More stick quality checking before shipment.
9. More reasonable after-sales service terms.
10. "CE" "SGS" ceitification.;
11. Lower repair rate and bad review rate.
12. We can give  customers best service. 

Welcome to contact us for more details!!!

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You'll have a better understanding of your screw shaft's threads after reading this article. Here are some examples. Once you understand these details, you'll be able to select the best screw nut for your needs.
screwshaft

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are 2 types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut's pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt's pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw's helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw's thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders' Association in 1871.
Generally speaking, the major diameter of a screw's threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw's thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw's proper function.
Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw's thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they're made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they're a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the 2 materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes' screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw's construction, as well as its lubrication conditions. Finally, a screw's end fixity - the way the screw is supported - affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China Professional Remote-Control Crawler Tractor Power Tiller with Mower and Trencher Function     with Great qualityChina Professional Remote-Control Crawler Tractor Power Tiller with Mower and Trencher Function     with Great quality

China supplier China Tractor for Agricultural Machinery Manufacturer 4WD Orchard Small Farm Crawler Lawngarden Walking Wheel Tractor Lt704-1 with Best Sales

Product Description

Good Price 4WD Small LuGong farm tractors Hay Rake Walk Behind tractor LT704-1

Lugong LT704-1 wheel tractor is a new type of tractor developed and designed by our company. The shuttle shift system is used to provide users with more choices and better meet the user's various agronomic requirements.

1.LT series of multifunctional tractors, its power cover 50-100 horsepower. Optional Rotary Tiller, Lawn Mower, Baler, Sprayer, etc farm implements.
 2. It adopts 8+2 shift,reasonable speed matching, high working efficiency.
 3. Dry brake is the standard configuration, and oil bath type wet brake is optional which has great breaking force and long service life.
 4. Equipped with famous and high-quality engines, large torque reserve and strong power.Power emission upgrade, more advanced performance, low fuel consumption and high reliability.
 5. Farmland tires, grassland tires and engineering tires are optional to satisfy various operations.
 6.Four driving standard configuration mid steering cylinder front drive axle has the maximum gap from the ground of 335mm.
 7.Suspension seat is the standard configuration which can effectively reduce 40% of vibration.
 8. The famous brand front drive axle is highly reliable.The transmission system adopts strong gears, which is more durable.Reinforced half shaft, casing, trailer and other configurations
 9. Adopting a new type of high pressure lifter makes the work more convenient and flexible.Equipped with external double oil cylinders , the working effect is better.
10.The power output speed can be selected from various speeds such as 540/720 rpm, and can be matched with a variety of agricultural machinery and tools, and the scope of application is wider.
Tractor Main Features and Advantages: 
1. Equipped famous brand engine showing advanced capacity, low fuel consumption and high economic efficiency. 
2. Streamlined appearance design, beautiful and generous. 
3. Transmission Case adopt meshed shift and add the gearbox interlock device makes the operation more smoothly, reliable and easier. 
4. Double action clutch with disc spring, perform steadily and easy to operate. 
5. Fully hydraulic steering system greatly reduced driver's work strength. 
6. Wet disc brake device, reliable brake performance. 
7. Separate injection of hydraulic oil, reliable to operate. 

Product Parameters

   LT504-1 LT604-1 LT704-1 LT804-1 LT904-1 LT1004-1
Engine yunnei yunnei yunnei yunnei yunnei yunnei
Power 50HP 60HP 70HP 80HP 90HP 100HP
Minimum quality of use 1800kg 1850kg 2571kg 2600kg 2850kg 3300kg
Wheel base 1970mm 1970mm 1970mm 2090mm 2090mm 2090mm
overall dimension 3595×1500×2330mm  3685×1505×2325mm 3690×1500×2335mm 4190×1790×2690mm 4190×1780×2680mm 4190×1790×2690mm

Model

LT504-1, Wheel type

Driving type

4WD

Power

70HP

Steering system type

Full hydraulic steering

Standard speed of power output shaft

540/720r/min
Number of gears (forward/backward) 8/2
Engine Laidong or HangZhouhong
External dimension (L × W × H) 3690×1500×2335mm
Number of hydraulic output groups 1
Type of suspension Three-point rear suspension

Other products

What We Offer:
1. Products of Mini Excavators from 0.8 ton to 2.0 ton,mini wheel loader , backhoe excavators,wheel tractor, etc.
2. Service of pre-sale, middle-sale and after-sale all-around service.
3. Traning of machine operation, daily maintenance.
4. Technical support for any trouble shooting with our machines.
5. OEM/ODM service for wholesalers/trading companies/distributors/local agents.

Company Profile

   ZheJiang LuGong Machinery Co., Ltd was founded in March 2000 which located at the junction of 3 cities(HangZhou, HangZhou and HangZhou)-HangZhou HangZhou industrial trade park and it's the backbone enterprise of construction machinery national wide with fixed asset 500million Yuan. It covers a land of 200 thousand square meters and has 1,100 employees, 88 of whom are engineers and technicians.
Our company mainly produces loaders, excavators, tippers, tricycles etc. Products are mainly sold to over 20 provinces in China and exported to dozens of countries and regions in Africa, Southeast Asia, South America and Russia. The quality and performance of our small farm-use loaders and construction tippers are in leading position of the industry throughout the nation and well received by users. Now, "Lu Gong" brand loaders and tipper have gained acceptance by dealers and uses all over China.
We focus on quality, performance and consider of users as always. In management, we've achieved a new level by adopting ISO9001:2015 international quality management system.
We would like to develop in economic construction by holding our old and new friends and users hands by following our business philosophy of "Driven by science and technology, seeking survival by quality, benefiting by managing and winning market by service" and spirit of "Pioneering, innovating and pursuing excellence".

Packaging & Shipping

FAQ

Q: Why should I choose LuGong instead of other brands?
A: With 22 years exporting experience, LuGong has been a well known brand in the market, now you can see LuGong  machines working in more than 40 countries. What we can provide:
Qualified machines with CE certification.
Easier access and zero-profit spare parts support.
Timely service (any of your questions will be answered within 12 hours).
Customized equipment with all kinds of attachments.
Q: What is your delivery time?
A: We have 4 workshops, 6 production lines, and we can produce a loader in 8 minutes. Usually, as long as you contact the vessel, we can ship within 15 days.
Q: What color can I choose?
A: There are Yellow, Red, Blue, Black, White, Orange,and Green to choose. Of course you can also customize other colors you like.
Q: What kind of service can I get from you? How can I get spare parts?
A: We have 1 year warranty for each machine, within 1 year, if any parts broken because of quality issues, We  professional after sales team to support you at any time.

 

 

The 5 components of an axle, their function and installation

If you're considering replacing an axle in your vehicle, you should first understand what it is. It is the component that transmits electricity from 1 part to another. Unlike a fixed steering wheel, the axles are movable. The following article will discuss the 5 components of the half shaft, their function and installation. Hopefully you were able to identify the correct axle for your vehicle. Here are some common problems you may encounter along the way.
Driveshaft

five components

The 5 components of the shaft are flange, bearing surface, spline teeth, spline pitch and pressure angle. The higher the number of splines, the stronger the shaft. The maximum stress that the shaft can withstand increases with the number of spline teeth and spline pitch. The diameter of the shaft times the cube of the pressure angle and spline pitch determines the maximum stress the shaft can withstand. For extreme load applications, use axles made from SAE 4340 and SAE 1550 materials. In addition to these 2 criteria, spline rolling produces a finer grain structure in the material. Cutting the splines reduces the strength of the shaft by 30% and increases stress.
The asymmetric length of the shaft implies different torsional stiffness. A longer shaft, usually the driver's side, can handle more twist angles before breaking. When the long axis is intact, the short axis usually fails, but this does not always happen. Some vehicles have short axles that permanently break, causing the same failure rate for both. It would be ideal if both shafts were the same length, they would share the same load.
In addition to the spline pitch, the diameter of the shaft spline is another important factor. The small diameter of a spline is the radius at which it resists twisting. Therefore, the splines must be able to absorb shock loads and shocks while returning to their original shape. To achieve these goals, the spline pitch should be 30 teeth or less, which is standard on Chrysler 8.75-inch and GM 12-bolt axles. However, a Ford 8.8-inch axle may have 28 or 31 tooth splines.
In addition to the CV joints, the axles also include CV joints, which are located on each end of the axle. ACV joints, also known as CV joints, use a special type of bearing called a pinion. This is a nut that meshes with the side gear to ensure proper shaft alignment. If you notice a discrepancy, take your car to a shop and have it repaired immediately.

Function

Axles play several important roles in a vehicle. It transfers power from the transmission to the rear differential gearbox and the wheels. The shaft is usually made of steel with cardan joints at both ends. Shaft Shafts can be stationary or rotating. They are all creatures that can transmit electricity and loads. Here are some of their functions. Read on to learn more about axles. Some of their most important features are listed below.
The rear axle supports the weight of the vehicle and is connected to the front axle through the axle. The rear axle is suspended from the body, frame and axle housing, usually spring loaded, to cushion the vehicle. The driveshaft, also called the propshaft, is located between the rear wheels and the differential. It transfers power from the differential to the drive wheels.
The shaft is made of mild steel or alloy steel. The latter is stronger, more corrosion-resistant and suitable for special environments. Forged for large diameter shafts. The cross section of the shaft is circular. While they don't transmit torque, they do transmit bending moment. This allows the drive train to rotate. If you're looking for new axles, it's worth learning more about how they work.
The shaft consists of 3 distinct parts: the main shaft and the hub. The front axle assembly has a main shaft, while the rear axle is fully floating. Axles are usually made of chrome molybdenum steel. The alloy's chromium content helps the axle maintain its tensile strength even under extreme conditions. These parts are welded into the axle housing.
Driveshaft

Material

The material used to make the axle depends on the purpose of the vehicle. For example, overload shafts are usually made of SAE 4340 or 1550 steel. These steels are high strength low alloy alloys that are resistant to bending and buckling. Chromium alloys, for example, are made from steel and have chromium and molybdenum added to increase their toughness and durability.
The major diameter of the shaft is measured at the tip of the spline teeth, while the minor diameter is measured at the bottom of the groove between the teeth. These 2 diameters must match, otherwise the half shaft will not work properly. It is important to understand that the brittleness of the material should not exceed what is required to withstand normal torque and twisting, otherwise it will become unstable. The material used to make the axles should be strong enough to carry the weight of a heavy truck, but must also be able to withstand torque while still being malleable.
Typically, the shaft is case hardened using an induction process. Heat is applied to the surface of the steel to form martensite and austenite. The shell-core interface transitions from compression to tension, and the peak stress level depends on the process variables used, including heating time, residence time, and hardenability of the steel. Some common materials used for axles are listed below. If you're not sure which material is best for your axle, consider the following guide.
The axle is the main component of the axle and transmits the transmission motion to the wheels. In addition, they regulate the drive between the rear hub and the differential sun gear. The axle is supported by axle bearings and guided to the path the wheels need to follow. Therefore, they require proper materials, processing techniques and thorough inspection methods to ensure lasting performance. You can start by selecting the material for the shaft.
Choosing the right alloy for the axle is critical. You will want to find an alloy with a low carbon content so it can harden to the desired level. This is an important consideration because the hardenability of the alloy is important to the durability and fatigue life of the axle. By choosing the right alloy, you will be able to minimize these problems and improve the performance of your axle. If you have no other choice, you can always choose an alloy with a higher carbon content, but it will cost you more money.
Driveshaft

Install

The process of installing a new shaft is simple. Just loosen the axle nut and remove the set bolt. You may need to tap a few times to get a good seal. After installation, check the shaft at the points marked "A" and "D" to make sure it is in the correct position. Then, press the "F" points on the shaft flange until the points are within 0.002" of the runout.
Before attempting to install the shaft, check the bearings to make sure they are aligned. Some bearings may have backlash. To determine the amount of differential clearance, use a screwdriver or clamp lever to check. Unless it's caused by a loose differential case hub, there shouldn't be any play in the axle bearings. You may need to replace the differential case if the axles are not mounted tightly. Thread adjusters are an option for adjusting drive gear runout. Make sure the dial indicator is mounted on the lead stud and loaded so that the plunger is at right angles to the drive gear.
To install the axle, lift the vehicle with a jack or crane. The safety bracket should be installed under the frame rails. If the vehicle is on a jack, the rear axle should be in the rebound position to ensure working clearance. Label the drive shaft assemblies and reinstall them in their original positions. Once everything is back in place, use a 2-jaw puller to pry the yoke and flange off the shaft.
If you've never installed a half shaft before, be sure to read these simple steps to get it right. First, check the bearing surfaces to make sure they are clean and undamaged. Replace them if they look battered or dented. Next, remove the seal attached to the bushing hole. Make sure the shaft is installed correctly and the bearing surfaces are level. After completing the installation process, you may need to replace the bearing seals.

China supplier China Tractor for Agricultural Machinery Manufacturer 4WD Orchard Small Farm Crawler Lawngarden Walking Wheel Tractor Lt704-1     with Best SalesChina supplier China Tractor for Agricultural Machinery Manufacturer 4WD Orchard Small Farm Crawler Lawngarden Walking Wheel Tractor Lt704-1     with Best Sales