Product Description
Our Advantages
Sales rank:China’s top three.
Sample: Support sample order.
OEM: Support technical changes.
Free train: plant training on installation and maintenance techniques.
QC: Quality inspection before delivery for each unit.
Our Catalog
Product Description
Our have multiple models Four wheel tractor of power.#12HP #15HP #18HP #20HP #22HP #25HP #28HP #30HP #35HP #40HP #45HP #50HP #60HP #70HP.
Farm tractor diesel engine has simple and compact structure, manipulate, light weight, can be widely used for various field. like small farmland, vineyards, flower garden, greenhouse particularly ideal for mountainous field.
HangZhou LANSU TRACTOR
#12HP #15HP #18HP #20HP #22HP #25HP #28HP #30HP #35HP ,
multifunction, reliable quality, affordable
Can be equipped with variety of agricultural tools for different farming works
Famous and high-quality engine, strengthen chassis, strong power
Power emission upgrade, more advanced performance, low fuel consumption, high reliability
Easy operation, few maintenance
Can design and produce the tractors in OEM
Multi cylinder tractor
#25HP #28HP #30HP #35HP #40HP #45HP #50HP #60HP #70HP.
HangZhou Lansu ,tractor use famous s brand front drive axle so that quality is highly reliable.
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.
Product Parameters
Accessories and Tools
Farming tools for Farm tractor
Farm tractor is a all-powerful agricultural machinery.lt can help farmers land consolidation (plought,rotary tillaqe, scarification,ditching,ridqing, earth up,grass mower Paddy field beating etc).
Crop planting and seeders (wheat, , corn, soybean seed, peanut, planting potatoes, vegetables eto Harvest (rice, wheat harvest, corn , peanut, potatoes, sweet potato Onions, ginger, qarlic).
The other management of land, water, spray, fertilization, paddy field operation etc).
Packaging & Shipping
Company Profile
With more than 20 years of industry experiences, our international trade headquarters located in port city -HangZhou, machines produced in HangZhou, HangZhou, HangZhou, ZheJiang China. There are 7 series with over 60 various of farming machines available including power tiller, walking tractor, 4 wheel tractor, spray machine, thresher and supporting farm tools,such as rotary tiller,plow,harrow,front loader,backhoe,grass bander, trailer,pump,corn planter,corn harvester and reaper. Already passed the international certification agency -S G S certification,technical person can be sent abroad. In the field of farming machinery,we can meet diverse customer needs by advanced technology and most popular agricultural machine.Exported to more than 40 countries especially South America,eastern Europe,middle america and we are quality supplier of assistance to agricultural machinery project in africa. with prefect One-stop agricultural machinery products service system we get nice reputation. We are committed to creating benefit for our customers and our goal is to allow farmers in the world to enjoy reliable, quality, affordable complete set of agricultural machines.
3. Our commitments:
a. With us, your funds is safe.
b. At least 12 months warranty, quality inspection before shipment.
c. Factory direct supply farming machinery and support you earning more money.
d. Near the port, rapid production and without M O Q, on time delivery.
e. OEM available, providing customized feature machine to enlarge market share.
f. Quick answer in 10 minutes.
Affordable price, reliable quality, enjoys farming.
| We have many models about the machine, if you are interested, we will send the catalogue and details for you, please send the enquiry.thanks. |
###
| MODEL | LS-Mini tractor 12hp | ||
| Engine | Model | 195 | |
| Type | 1cylinder,4-stroke,horizontal,water-cooled,diesel | ||
| Cooling Mode | Condenser (Radiator) | ||
| Power | 12hp | ||
| Combustion System | Direct Injection | ||
| Cylinder Bore | 92mm | ||
| Piston Stroke | 95mm | ||
| Compression Ratio | 18:01 | ||
| Rated Speed | 2400rpm | ||
| Fuel Efficiency: | ≤257gl/kw.hr | ||
| Displacement | 0.632 | ||
| Fuel Tank Capacity | 8L | ||
| Water Tank Capacity | 2L | ||
| Net Weight | 112kg | ||
| Gross Weight | 122 | ||
| Overall dimensions:(L×W×H) | 2140×905×1175mm Without tiller | ||
| Overall dimensions:(L×W×H) | 2600×1000×1175mm With tiller | ||
| Front wheel size | 5.00-12 | ||
| Back wheel size | 7.50-16 | ||
| Ground clearance | 180mm | ||
| Working weight | 490kg | ||
| Transmission style | Belt transmission | ||
| Steering style | Steering wheel power steering system | ||
| Brakes | Two side wheel brake | ||
| Starter | Electric start/Hand crank | ||
| Seat | Adjustable | ||
| Gear style | (3+1)*2; 6 Forward, 2 Reverse | ||
| Speed | Forward | 1.68, 2.61, 4.22, 6.79, 10.57, 17.08 | |
| Reverse | 1.29, 5.22 | ||
| Rotary tiller | Transmission Type | Middle Gears Transmission, or side gears transmission | |
| Width | 1000mm Adjustable | ||
| Number of blades | 18-20pcs | ||
| Working depth | 150-250mm | ||
| Up and down control | Hydraulic system | ||
###
| Model | LS-Small tractor 25hp | ||
| Wheel drive | 4×2 | ||
| Dimensions | 2700×1400×1400 | ||
| Weight(kg) | 950-1010 | ||
| Front wheel(mm) | 900,1000,1100,1200 adjustable | ||
| Rear wheel(mm) | 960,1000,1100,1200,1300 adjustable | ||
| Wheel base(mm) | 1400 | ||
| Min. ground distance(mm) | 350 | ||
| Gear shift | 6+1 | ||
| Tyre size | 9.5-20/500-14 | ||
| ENGINE Type | |||
| Rated power(kW) | 18.32kw | ||
| Rated speed (r/min) | Water cooled,vertical,4 stoke and direct injection | ||
| Start | Electric | ||
| Transmission | 2200 | ||
| Clutch | single ,dry friction, single clutch | ||
| Connection/PTO | 3×2+1 | ||
| 3 point suspension/ Rear P.T.O 540 | |||
###
| MODEL | LS- Middle tractor 50hp | ||
| Horsepower&Drive Type | 50hp, 4×4 | ||
| ENGINE | |||
| Engine Model | 50HP | ||
| Type | Vertical, Water-Cooled, Four Strokes, Direct in Injection | ||
| Rated Output(kW) | 36.8 | ||
| TRACTOR PARAMETER | |||
| Dimension L*W*H (mm) | 3558*1500*2245 | ||
| Wheel Base (mm) | 1900 | ||
| Wheel Tread F/R(mm) | 1060/1100 | ||
| Min Ground Clearance(mm) | 300 | ||
| TRANSMISSION | |||
| Gear Shift | 8F+2R | ||
| Clutch Type | Dry Single-stage | ||
| RUNNING SYSTEM | |||
| Tire F/R | 650-16/11.2-24 | ||
| Steering | Hydraulic Steering | ||
| Brake | Toe Type | ||
| Park Brake | Latch Pedal | ||
| WORKING SYSTEM | |||
| Hitch | Partial Separated Type, 3-Point hydraulic hitch,Category 1 | ||
| Max. Lift Force(N) | ≥6300 | ||
| Rear PTO | Rear Rectangle Spline, 6 Teeth, 540/720rpm | ||
| We have many models about the machine, if you are interested, we will send the catalogue and details for you, please send the enquiry.thanks. |
###
| MODEL | LS-Mini tractor 12hp | ||
| Engine | Model | 195 | |
| Type | 1cylinder,4-stroke,horizontal,water-cooled,diesel | ||
| Cooling Mode | Condenser (Radiator) | ||
| Power | 12hp | ||
| Combustion System | Direct Injection | ||
| Cylinder Bore | 92mm | ||
| Piston Stroke | 95mm | ||
| Compression Ratio | 18:01 | ||
| Rated Speed | 2400rpm | ||
| Fuel Efficiency: | ≤257gl/kw.hr | ||
| Displacement | 0.632 | ||
| Fuel Tank Capacity | 8L | ||
| Water Tank Capacity | 2L | ||
| Net Weight | 112kg | ||
| Gross Weight | 122 | ||
| Overall dimensions:(L×W×H) | 2140×905×1175mm Without tiller | ||
| Overall dimensions:(L×W×H) | 2600×1000×1175mm With tiller | ||
| Front wheel size | 5.00-12 | ||
| Back wheel size | 7.50-16 | ||
| Ground clearance | 180mm | ||
| Working weight | 490kg | ||
| Transmission style | Belt transmission | ||
| Steering style | Steering wheel power steering system | ||
| Brakes | Two side wheel brake | ||
| Starter | Electric start/Hand crank | ||
| Seat | Adjustable | ||
| Gear style | (3+1)*2; 6 Forward, 2 Reverse | ||
| Speed | Forward | 1.68, 2.61, 4.22, 6.79, 10.57, 17.08 | |
| Reverse | 1.29, 5.22 | ||
| Rotary tiller | Transmission Type | Middle Gears Transmission, or side gears transmission | |
| Width | 1000mm Adjustable | ||
| Number of blades | 18-20pcs | ||
| Working depth | 150-250mm | ||
| Up and down control | Hydraulic system | ||
###
| Model | LS-Small tractor 25hp | ||
| Wheel drive | 4×2 | ||
| Dimensions | 2700×1400×1400 | ||
| Weight(kg) | 950-1010 | ||
| Front wheel(mm) | 900,1000,1100,1200 adjustable | ||
| Rear wheel(mm) | 960,1000,1100,1200,1300 adjustable | ||
| Wheel base(mm) | 1400 | ||
| Min. ground distance(mm) | 350 | ||
| Gear shift | 6+1 | ||
| Tyre size | 9.5-20/500-14 | ||
| ENGINE Type | |||
| Rated power(kW) | 18.32kw | ||
| Rated speed (r/min) | Water cooled,vertical,4 stoke and direct injection | ||
| Start | Electric | ||
| Transmission | 2200 | ||
| Clutch | single ,dry friction, single clutch | ||
| Connection/PTO | 3×2+1 | ||
| 3 point suspension/ Rear P.T.O 540 | |||
###
| MODEL | LS- Middle tractor 50hp | ||
| Horsepower&Drive Type | 50hp, 4×4 | ||
| ENGINE | |||
| Engine Model | 50HP | ||
| Type | Vertical, Water-Cooled, Four Strokes, Direct in Injection | ||
| Rated Output(kW) | 36.8 | ||
| TRACTOR PARAMETER | |||
| Dimension L*W*H (mm) | 3558*1500*2245 | ||
| Wheel Base (mm) | 1900 | ||
| Wheel Tread F/R(mm) | 1060/1100 | ||
| Min Ground Clearance(mm) | 300 | ||
| TRANSMISSION | |||
| Gear Shift | 8F+2R | ||
| Clutch Type | Dry Single-stage | ||
| RUNNING SYSTEM | |||
| Tire F/R | 650-16/11.2-24 | ||
| Steering | Hydraulic Steering | ||
| Brake | Toe Type | ||
| Park Brake | Latch Pedal | ||
| WORKING SYSTEM | |||
| Hitch | Partial Separated Type, 3-Point hydraulic hitch,Category 1 | ||
| Max. Lift Force(N) | ≥6300 | ||
| Rear PTO | Rear Rectangle Spline, 6 Teeth, 540/720rpm | ||
How to Determine the Quality of a Worm Shaft
There are many advantages of a worm shaft. It is easier to manufacture, as it does not require manual straightening. Among these benefits are ease of maintenance, reduced cost, and ease of installation. In addition, this type of shaft is much less prone to damage due to manual straightening. This article will discuss the different factors that determine the quality of a worm shaft. It also discusses the Dedendum, Root diameter, and Wear load capacity.
Root diameter
There are various options when choosing worm gearing. The selection depends on the transmission used and production possibilities. The basic profile parameters of worm gearing are described in the professional and firm literature and are used in geometry calculations. The selected variant is then transferred to the main calculation. However, you must take into account the strength parameters and the gear ratios for the calculation to be accurate. Here are some tips to choose the right worm gearing.
The root diameter of a worm gear is measured from the center of its pitch. Its pitch diameter is a standardized value that is determined from its pressure angle at the point of zero gearing correction. The worm gear pitch diameter is calculated by adding the worm’s dimension to the nominal center distance. When defining the worm gear pitch, you have to keep in mind that the root diameter of the worm shaft must be smaller than the pitch diameter.
Worm gearing requires teeth to evenly distribute the wear. For this, the tooth side of the worm must be convex in the normal and centre-line sections. The shape of the teeth, referred to as the evolvent profile, resembles a helical gear. Usually, the root diameter of a worm gear is more than a quarter inch. However, a half-inch difference is acceptable.
Another way to calculate the gearing efficiency of a worm shaft is by looking at the worm’s sacrificial wheel. A sacrificial wheel is softer than the worm, so most wear and tear will occur on the wheel. Oil analysis reports of worm gearing units almost always show a high copper and iron ratio, suggesting that the worm’s gearing is ineffective.
Dedendum
The dedendum of a worm shaft refers to the radial length of its tooth. The pitch diameter and the minor diameter determine the dedendum. In an imperial system, the pitch diameter is referred to as the diametral pitch. Other parameters include the face width and fillet radius. Face width describes the width of the gear wheel without hub projections. Fillet radius measures the radius on the tip of the cutter and forms a trochoidal curve.
The diameter of a hub is measured at its outer diameter, and its projection is the distance the hub extends beyond the gear face. There are two types of addendum teeth, one with short-addendum teeth and the other with long-addendum teeth. The gears themselves have a keyway (a groove machined into the shaft and bore). A key is fitted into the keyway, which fits into the shaft.
Worm gears transmit motion from two shafts that are not parallel, and have a line-toothed design. The pitch circle has two or more arcs, and the worm and sprocket are supported by anti-friction roller bearings. Worm gears have high friction and wear on the tooth teeth and restraining surfaces. If you’d like to know more about worm gears, take a look at the definitions below.
CZPT’s whirling process
Whirling process is a modern manufacturing method that is replacing thread milling and hobbing processes. It has been able to reduce manufacturing costs and lead times while producing precision gear worms. In addition, it has reduced the need for thread grinding and surface roughness. It also reduces thread rolling. Here’s more on how CZPT whirling process works.
The whirling process on the worm shaft can be used for producing a variety of screw types and worms. They can produce screw shafts with outer diameters of up to 2.5 inches. Unlike other whirling processes, the worm shaft is sacrificial, and the process does not require machining. A vortex tube is used to deliver chilled compressed air to the cutting point. If needed, oil is also added to the mix.
Another method for hardening a worm shaft is called induction hardening. The process is a high-frequency electrical process that induces eddy currents in metallic objects. The higher the frequency, the more surface heat it generates. With induction heating, you can program the heating process to harden only specific areas of the worm shaft. The length of the worm shaft is usually shortened.
Worm gears offer numerous advantages over standard gear sets. If used correctly, they are reliable and highly efficient. By following proper setup guidelines and lubrication guidelines, worm gears can deliver the same reliable service as any other type of gear set. The article by Ray Thibault, a mechanical engineer at the University of Virginia, is an excellent guide to lubrication on worm gears.
Wear load capacity
The wear load capacity of a worm shaft is a key parameter when determining the efficiency of a gearbox. Worms can be made with different gear ratios, and the design of the worm shaft should reflect this. To determine the wear load capacity of a worm, you can check its geometry. Worms are usually made with teeth ranging from one to four and up to twelve. Choosing the right number of teeth depends on several factors, including the optimisation requirements, such as efficiency, weight, and centre-line distance.
Worm gear tooth forces increase with increased power density, causing the worm shaft to deflect more. This reduces its wear load capacity, lowers efficiency, and increases NVH behavior. Advances in lubricants and bronze materials, combined with better manufacturing quality, have enabled the continuous increase in power density. Those three factors combined will determine the wear load capacity of your worm gear. It is critical to consider all three factors before choosing the right gear tooth profile.
The minimum number of gear teeth in a gear depends on the pressure angle at zero gearing correction. The worm diameter d1 is arbitrary and depends on a known module value, mx or mn. Worms and gears with different ratios can be interchanged. An involute helicoid ensures proper contact and shape, and provides higher accuracy and life. The involute helicoid worm is also a key component of a gear.
Worm gears are a form of ancient gear. A cylindrical worm engages with a toothed wheel to reduce rotational speed. Worm gears are also used as prime movers. If you’re looking for a gearbox, it may be a good option. If you’re considering a worm gear, be sure to check its load capacity and lubrication requirements.
NVH behavior
The NVH behavior of a worm shaft is determined using the finite element method. The simulation parameters are defined using the finite element method and experimental worm shafts are compared to the simulation results. The results show that a large deviation exists between the simulated and experimental values. In addition, the bending stiffness of the worm shaft is highly dependent on the geometry of the worm gear toothings. Hence, an adequate design for a worm gear toothing can help reduce the NVH (noise-vibration) behavior of the worm shaft.
To calculate the worm shaft’s NVH behavior, the main axes of moment of inertia are the diameter of the worm and the number of threads. This will influence the angle between the worm teeth and the effective distance of each tooth. The distance between the main axes of the worm shaft and the worm gear is the analytical equivalent bending diameter. The diameter of the worm gear is referred to as its effective diameter.
The increased power density of a worm gear results in increased forces acting on the corresponding worm gear tooth. This leads to a corresponding increase in deflection of the worm gear, which negatively affects its efficiency and wear load capacity. In addition, the increasing power density requires improved manufacturing quality. The continuous advancement in bronze materials and lubricants has also facilitated the continued increase in power density.
The toothing of the worm gears determines the worm shaft deflection. The bending stiffness of the worm gear toothing is also calculated by using a tooth-dependent bending stiffness. The deflection is then converted into a stiffness value by using the stiffness of the individual sections of the worm shaft. As shown in figure 5, a transverse section of a two-threaded worm is shown in the figure.
