Product Description
SUNYO / Chinese High Quality/ WZ30-25 Backhoe Loader with Famous Brand Engine and Transmission. Widely used, flexible operation
The Backhoe Loader WZ30-25:
WZ30-25 Backhoe loader, with CZPT YC4A105Z-T20 engine , power is100hp, chinese axle and Trans. With A/C, pilot control, Reversing video, hammer pipe , WZ30-25 Backhoe loader Operating weight7600kg, front bucket 1.2 m3, rated loading is 2.5tons. Rear CZPT bucket is 0.3 m3,
It can use for loading and digging, 1 machine has 2 functions. can help you to save much more cost. and can do many kinds work for building road, and so on.
It will bring you higher economic efficiency, Better profit income.
Main Performance Parameter of WZ30-25:
| Overall Operating Weight | 7640KG |
| Transport Dimension | |
| mm L*W*H | 6170×2268×3760 |
| Wheel base | 2370mm |
| Min. Ground Clearance | 300mm |
| Bucket Capacity | 1.0m3 |
| Breakout Force | 38KN |
| Loading Lifting Capacity | 2500KG |
| Bucket Dumping Height | 2770mm |
| Bucket Dumping Distance | 925mm |
| Digging Depth | 27mm |
| Backhoe Capacity | 0.3m3 |
| Max. CZPT Depth | 4082mm |
| Swing Angle of Excavator Grab | 190o |
| Max. Pulling Force | 39KN |
| Engine | |
| Model | YUCHAI YC4A105Z-T20 |
| Type | In Line Direct injection Four-Stroke and Injection Combustion Chamber |
| Cylinder-Inside Diameter*Stroke | 4-108×132 |
| Rated Power | 75KW |
| Rated Speed | 2200r/min |
| Min. Fuel Consumption | ≤230g/km.h |
| Max.Torque | ≥400N.M/1500r/min |
| Displacement | 4.8L |
| Steering System | |
| Model of Steering Device | BZZ5-250 |
| Steering Angle | ±36 o |
| Min. turning radius | 5018mm |
| Pressure of the system | 14Mpa |
| Axle | |
| Manufacturer | HangZhou Axle Factory |
| Main Transmission Type | Double Reduction |
| Final Reducer | Single Stage Final Reducer |
| Rated Loader of Axle | 8.5t |
| Transmission System | |
| Torque Converter | |
| Model | YJ280 |
| Type | Single-stage Three Elements |
| Max. Efficiency | 84.40% |
| Inlet Pressure | 1.3Mpa-1.5 Mpa |
| Outlet Pressure | 0.25Mpa-0.3 Mpa |
| Cooling Method | Oil-cooling Pressure Circulation |
| Gearbox | |
| Type | Fixed Shaft Power Transmission |
| Oil Pressure of Clutch | 1373Kpa-1569 Kpa |
| Gears | Two Gears Ahead, Two Gears Astern |
| Max.Speed | 22Km/h |
| Tyre | |
| Model | 16/70-20 |
| Pressure of Front wheel | 0.22 Mpa |
| Pressure of Back Wheel | 0.22 Mpa |
| Brake System | |
| Service Brake | Air Over Oil Caliper Brake |
| External Type | |
| Self-regulation | |
| Self-balance | |
| Emergency Brake | Operation Power Implementing brake Manual Operation Power Terminating Brake |
| Hydraulic System | |
| Digging Power of Excavator Grab | 46.5KN |
| Digging Power of Dipper | 31KN |
| Bucket Lifting Time | 5.4S |
| Bucket Lowering Time | 3.1S |
| Bucket Discharge Time | 2.0S |
Backhoe Loader:
the backhoe loader also called a loader backhoe,is a heavy equipment vehicle that consists of a tractor fitted with a bucket on the front and a backhoe on the back. Due to its small size and versatility, backhoe loaders are very common in urban engineering and small construction projects (such as building a small house, fixing urban roads, etc.) as well as developing countries. This type of machine is similar to and derived from what is now known as a TLB (Tractor-Loader-Backhoe), which is to say, an agricultural tractor fitted with a front loader and rear backhoe attachment.
Packing & Shipping:
We have been engaged in foreign trade for more than 18 years and have very rich experience in shipping. According to the past situation, each of our products is complete and delivered to customers as planned.
Generally, For the WZ30-25 Backhoe loader , one set need 1 40H conainer, or 2 sets load into 1 40H container and 1 20 container. it also can load in the bulk ship, or Ro-on/Ro-off ship. it according your requirements
Attachments:
Our backhoe loader can be with some more attachements excapt the standard bucket. for exmple the 4 in 1 bucket, Quick Change, Fork, Auger, Hamer, Grass Grab, Wooden Fork, Snow blade, sweaper, Rops And so on.
Our Service :
Pre-sale service:
To our customers, before you buy the equipments, we hope to understand your needs, according to your machine requirements and your budget; choose the right model for you, to ensure that you buy high-quality products at a lower price.
At the same time, you are welcome to visit our factory in HangZhou, China; we will book hotels, air tickets and take you up from air port.
After-sale service:
After the sale, we will properly arrange the transportation of the machine to ensure that the goods are safely delivered to your hands.
At the same time, we will provide you with technical support 24 hours a day, or send engineers to CZPT the installation and operation. If there are any quality problems with the machine, we will solve it for you in the first time.
Factory View:
Here show some factory pictures to help you understand our company.
Exhibition:
Here show you some exhibition pictures .
Certificate :
FAQ:
Q1: Which country do you export to?
Asia: Pakistan, Philippines, Thailand, Myanmar, Vietnam, Bangladesh, Kazakhstan, Turkmenistan, etc.
Middle East: Iran, UAE, Jordan, Oman, Saudi Arabia, Syria, etc.
Europe: Poland, Russia, Ukraine, Belarus, Bulgaria, etc.
Africa: South Africa,Kenya,Congo,Ethiopia,Nigeria,Ghana,Algeria,Senegal,Tunisia,etc.
South America: Paraguay, Colombia, Brazil, Peru, Chile, Cuba, Venezuela, etc.
Oceania: Australia, etc.
Q2: What is the proportion of your products export?
90% of our products are exported to all over the world.
Q3: What is the payment term?
We can discuss with you. Consider for long-term customers we are favorable payment terms TT, L/C, west union. It depends on the cooperation time, country and contract value.
Q4: What kind of logistic service do you supply?
FOB, CIF, C&F
Q5: What spare parts can you supply?
All kinds of spare parts of SUNYO JCM, SDLG, SHACMAN, SHXIHU (WEST LAKE) DIS.I, YTO, etc.
What Are Worm Gears and Worm Shafts?
If you’re looking for a fishing reel with a worm gear system, you’ve probably come across the term ‘worm gear’. But what are worm gears and worm shafts? And what are the advantages and disadvantages of worm gears? Let’s take a closer look! Read on to learn more about worm gears and shafts! Then you’ll be well on your way to purchasing a reel with a worm gear system.
worm gear reducers
Worm shaft reducers have a number of advantages over conventional gear reduction mechanisms. First, they’re highly efficient. While single stage worm reducers have a maximum reduction ratio of about 5 to 60, hypoid gears can typically go up to a maximum of 1 hundred and 20 times. A worm shaft reducer is only as efficient as the gearing it utilizes. This article will discuss some of the advantages of using a hypoid gear set, and how it can benefit your business.
To assemble a worm shaft reducer, first remove the flange from the motor. Then, remove the output bearing carrier and output gear assembly. Lastly, install the intermediate worm assembly through the bore opposite to the attachment housing. Once installed, you should carefully remove the bearing carrier and the gear assembly from the motor. Don’t forget to remove the oil seal from the housing and motor flange. During this process, you must use a small hammer to tap around the face of the plug near the outside diameter of the housing.
Worm gears are often used in reversing prevention systems. The backlash of a worm gear can increase with wear. However, a duplex worm gear was designed to address this problem. This type of gear requires a smaller backlash but is still highly precise. It uses different leads for the opposing tooth face, which continuously alters its tooth thickness. Worm gears can also be adjusted axially.
worm gears
There are a couple of different types of lubricants that are used in worm gears. The first, polyalkylene glycols, are used in cases where high temperature is not a concern. This type of lubricant does not contain any waxes, which makes it an excellent choice in low-temperature applications. However, these lubricants are not compatible with mineral oils or some types of paints and seals. Worm gears typically feature a steel worm and a brass wheel. The brass wheel is much easier to remodel than steel and is generally modeled as a sacrificial component.
The worm gear is most effective when it is used in small and compact applications. Worm gears can greatly increase torque or reduce speed, and they are often used where space is an issue. Worm gears are among the smoothest and quietest gear systems on the market, and their meshing effectiveness is excellent. However, the worm gear requires high-quality manufacturing to perform at its highest levels. If you’re considering a worm gear for a project, it’s important to make sure that you find a manufacturer with a long and high quality reputation.
The pitch diameters of both worm and pinion gears must match. The 2 worm cylinders in a worm wheel have the same pitch diameter. The worm wheel shaft has 2 pitch cylinders and 2 threads. They are similar in pitch diameter, but have different advancing angles. A self-locking worm gear, also known as a wormwheel, is usually self-locking. Moreover, self-locking worm gears are easy to install.
worm shafts
The deflection of worm shafts varies with toothing parameters. In addition to toothing length, worm gear size and pressure angle, worm gear size and number of helical threads are all influencing factors. These variations are modeled in the standard ISO/TS 14521 reference gear. This table shows the variations in each parameter. The ID indicates the worm shaft’s center distance. In addition, a new calculation method is presented for determining the equivalent bending diameter of the worm.
The deflection of worm shafts is investigated using a four-stage process. First, the finite element method is used to compute the deflection of a worm shaft. Then, the worm shaft is experimentally tested, comparing the results with the corresponding simulations. The final stage of the simulation is to consider the toothing geometry of 15 different worm gear toothings. The results of this step confirm the modeled results.
The lead on the right and left tooth surfaces of worms is the same. However, the lead can be varied along the worm shaft. This is called dual lead worm gear, and is used to eliminate play in the main worm gear of hobbing machines. The pitch diameters of worm modules are equal. The same principle applies to their pitch diameters. Generally, the lead angle increases as the number of threads decreases. Hence, the larger the lead angle, the less self-locking it becomes.
worm gears in fishing reels
Fishing reels usually include worm shafts as a part of the construction. Worm shafts in fishing reels allow for uniform worm winding. The worm shaft is attached to a bearing on the rear wall of the reel unit through a hole. The worm shaft’s front end is supported by a concave hole in the front of the reel unit. A conventional fishing reel may also have a worm shaft attached to the sidewall.
The gear support portion 29 supports the rear end of the pinion gear 12. It is a thick rib that protrudes from the lid portion 2 b. It is mounted on a bushing 14 b, which has a through hole through which the worm shaft 20 passes. This worm gear supports the worm. There are 2 types of worm gears available for fishing reels. The 2 types of worm gears may have different number of teeth or they may be the same.
Typical worm shafts are made of stainless steel. Stainless steel worm shafts are especially corrosion-resistant and durable. Worm shafts are used on spinning reels, spin-casting reels, and in many electrical tools. A worm shaft can be reversible, but it is not entirely reliable. There are numerous benefits of worm shafts in fishing reels. These fishing reels also feature a line winder or level winder.
worm gears in electrical tools
Worms have different tooth shapes that can help increase the load carrying capacity of a worm gear. Different tooth shapes can be used with circular or secondary curve cross sections. The pitch point of the cross section is the boundary for this type of mesh. The mesh can be either positive or negative depending on the desired torque. Worm teeth can also be inspected by measuring them over pins. In many cases, the lead thickness of a worm can be adjusted using a gear tooth caliper.
The worm shaft is fixed to the lower case section 8 via a rubber bush 13. The worm wheel 3 is attached to the joint shaft 12. The worm 2 is coaxially attached to the shaft end section 12a. This joint shaft connects to a swing arm and rotates the worm wheel 3.
The backlash of a worm gear may be increased if the worm is not mounted properly. To fix the problem, manufacturers have developed duplex worm gears, which are suitable for small backlash applications. Duplex worm gears utilize different leads on each tooth face for continuous change in tooth thickness. In this way, the center distance of the worm gear can be adjusted without changing the worm’s design.
worm gears in engines
Using worm shafts in engines has a few benefits. First of all, worm gears are quiet. The gear and worm face move in opposite directions so the energy transferred is linear. Worm gears are popular in applications where torque is important, such as elevators and lifts. Worm gears also have the advantage of being made from soft materials, making them easy to lubricate and to use in applications where noise is a concern.
Lubricants are necessary for worm gears. The viscosity of lubricants determines whether the worm is able to touch the gear or wheel. Common lubricants are ISO 680 and 460, but higher viscosity oil is not uncommon. It is essential to use the right lubricants for worm gears, since they cannot be lubricated indefinitely.
Worm gears are not recommended for engines due to their limited performance. The worm gear’s spiral motion causes a significant reduction in space, but this requires a high amount of lubrication. Worm gears are susceptible to breaking down because of the stress placed on them. Moreover, their limited speed can cause significant damage to the gearbox, so careful maintenance is essential. To make sure worm gears remain in top condition, you should inspect and clean them regularly.
Methods for manufacturing worm shafts
A novel approach to manufacturing worm shafts and gearboxes is provided by the methods of the present invention. Aspects of the technique involve manufacturing the worm shaft from a common worm shaft blank having a defined outer diameter and axial pitch. The worm shaft blank is then adapted to the desired gear ratio, resulting in a gearbox family with multiple gear ratios. The preferred method for manufacturing worm shafts and gearboxes is outlined below.
A worm shaft assembly process may involve establishing an axial pitch for a given frame size and reduction ratio. A single worm shaft blank typically has an outer diameter of 100 millimeters, which is the measurement of the worm gear set’s center distance. Upon completion of the assembly process, the worm shaft has the desired axial pitch. Methods for manufacturing worm shafts include the following:
For the design of the worm gear, a high degree of conformity is required. Worm gears are classified as a screw pair in the lower pairs. Worm gears have high relative sliding, which is advantageous when comparing them to other types of gears. Worm gears require good surface finish and rigid positioning. Worm gear lubrication usually comprises surface active additives such as silica or phosphor-bronze. Worm gear lubricants are often mixed. The lubricant film that forms on the gear teeth has little impact on wear and is generally a good lubricant.
