Product Description
Chinese Brand Agricultural Machinery 2.5 Ton Wheel Loader
Product Application
| ITEM | SPECIFICATION | ITEM | SPECIFICATION |
| Overall working weight | 6500kg | Front and rear axles | |
| Rated bucket capacity | 1.3m³ | Main transmission type | Spiral gear,first stage decelerate |
| Rated load | 2500kg | Final decelerate type | First stage,planetary gear decelerate |
| Max.tractive force | 55KN | Tyre | |
| Max.breakout force | ≥58KN | Tyre specification | 16/70-24 |
| Max.grade ability | 30° | Front tyre pressure | 350KPa |
| Max. dumping height | 3600mm | Front tyre pressure | 350KPa |
| Dumping distance | 900mm | Steering system | |
| Overall dimension(L*W*H) | 6200*2050*2850mm | Type | Articulated load-sensing hydraulic steering system |
| Engine | Steering angle | ±35° | |
| Model | Yuchai | Mini turning radius | 4800mm |
| Type | Inline,water cooling.dry cylinder,direct injection | system working pressure | 16MPa |
| Number of cylinder-bore/stroke | 4 | Boom lifting time | 5s |
| Rated power/Rated speed | 85KW / 2200r/min | Total time | 10s |
| Transimission system | Brake system | ||
| Torque converter | Single-stage | Service brake | Air-on-oil, caliper-disk |
| Torque ratio | 3.2 | parking brake | Manual caliper disc |
| Transmission type | Planetary power shift | Capacity | |
| Gear shift | 4 forwardshift,4 reverseshift | Fuel | 60L |
| Max.speed | 36km/h | Hydraulic | 60 |
TL25 loader is our latest development of a medium-sized loader.
–Adopt CUMMINS, YUCHAI engine, powerful and reliable.
–Torque converter and counter-shaft trans mission gearbox, assembled separately, higher reliability and easier maintenance.
–Fully hydraulic steering system, powedr shift transmission, easier operation.
–Bucket can be leveled automatically, optimized working device, higher productivity.
–Comfortable operation environment, new desigh cabin, air-condition at option.
–Various working devices of attachment are available, such as log grapple, pipe fork, grass fork, CZPT bucket, snowblade, pallet fork etc. to meet different need.
Main features
1)6.5ton operating weight,heavy duty!
2) Maximum speed 36km/h,fast!fast!fast!
3) Dumping height:3600mm!
4) Luxury appearance
5) With many attachments,all configuratin customer can choose.
Standard Equipments
—Standard Bucket,
—Hydraulic Torque Converter Transmission,
—Floating Function,
—Mechanical Joystick,
—AC Cabin,
—Rops&Fops Cabin,
—Tipping Cabin,
—Luxury Cabin Inside,
—Backward Imagine,
—Comfortable Seat,
—Adjustable Steering Wheel,
—Wheel Reducer Axle,
—Air Brake,
—Lock for Lifting and Steering Cylinder,
—Hydraulic Pressure Check System,
—Parallel Linkage,
–E4 Lamp,
–Free Service Spare Parts etc
Certifications
All the machine with CE ISO SGS certificate.
Attachments
Titan wheel loader adopts the Hydraulic Quick Hitch. All kinds of accessories can be replaced. Such as: log grapple, grab bucket, pallet fork, road sweeper, ripper, 4 in 1 bucket, snow blade, angle blade, grass fork, hay fork, screening bucket, hydraulic hammer, stick rake,auger and so on.
Our Service
Our trained Professional service team offers high quality in-time service in a very friendly way.
For a good customer experience, the content of pre -sales includes the recommendation on the right products basis on condition. All you have to do is to inform us your needs.
For After-sales, to minimize the downtime, we offer air delivery for the spare parts which are within guarantee within 3 working days.
We have professional technician to support trouble clearing and maintenance.
Pre-Sales Service
(1) Inquiry and consulting support.
(2)Sample testing support.
(3)View our Factory.
After-Sales Service
(1)Training how to instal the machine, training how to use the machine.
(2)Engineers available to service machinery overseas.
Packing & Delivery
We use container transportation,according to your requirements,for you to choose the appropriate collccation If container is too tighber,we will use pefilm for packing or pack it accordfng to customers special requset.
About Us
HangZhou Titan Heavy Machinery Co. Ltd
HangZhou Titan Heavy Machinery Co. Ltd is a professional manufacturer engaged in the research, development, production, sale and service of wheel loader, excavator and forklift.
In addition, we have obtained many kinds of certificates SGS, ISO CE etc. Whether selecting a current product from our catalog orseeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements.
We sincerely thank all the friend’s support at home andabroad, look forward to establish development business cooperation with you, hand in hand advances boldly, create prosperity.
Our agent is interviewed by local TV station,give you a reason why choose titan.we provide our agents with technical support,service suport,exhibition support,price support,quality support and help them to open the local market and establish long-term cooperation.
FAQ
Q:Why choose Titan?
We sell every machine at a fair price.As our production increases,we are getting much support from the purchase source of raw meterial.
We leave the maximum profit to customer.
1) Titan: an experienced loader manufacturer with over 11 years.
2) Titan team: customers-focused,you’ll get reply within 5 minutes.
3)Titan: premium quality with reasonable price.
4) Titan: CE,BV,SGS,ROPS and FOPS,ISO9001:2008 varified.
The quality control is not an empty word in TITAN.Our products are tested and granted CE cetificate.
Q:What is Titan warranty?
TITAN has a professional sales and after-service team.We are trying our best to make a good service for every customer.
1) Titan after-sales: life-long, meantime offer one year and 1 month warranty.
2) Titan proposal: order some wearing parts with loader for easy maintenance.
Q:What about Titan delivery term?
TITAN Transport packsging team helps our customer to transport their machine in safe and secure way without any damage.
10-20 days after down payment received.
Q:What about the payment term?
30% advance payment,70% balance by T/T.
An Overview of Worm Shafts and Gears
This article provides an overview of worm shafts and gears, including the type of toothing and deflection they experience. Other topics covered include the use of aluminum versus bronze worm shafts, calculating worm shaft deflection and lubrication. A thorough understanding of these issues will help you to design better gearboxes and other worm gear mechanisms. For further information, please visit the related websites. We also hope that you will find this article informative.
Double throat worm gears
The pitch diameter of a worm and the pitch of its worm wheel must be equal. The 2 types of worm gears have the same pitch diameter, but the difference lies in their axial and circular pitches. The pitch diameter is the distance between the worm’s teeth along its axis and the pitch diameter of the larger gear. Worms are made with left-handed or right-handed threads. The lead of the worm is the distance a point on the thread travels during 1 revolution of the worm gear. The backlash measurement should be made in a few different places on the gear wheel, as a large amount of backlash implies tooth spacing.
A double-throat worm gear is designed for high-load applications. It provides the tightest connection between worm and gear. It is crucial to mount a worm gear assembly correctly. The keyway design requires several points of contact, which block shaft rotation and help transfer torque to the gear. After determining the location of the keyway, a hole is drilled into the hub, which is then screwed into the gear.
The dual-threaded design of worm gears allows them to withstand heavy loads without slipping or tearing out of the worm. A double-throat worm gear provides the tightest connection between worm and gear, and is therefore ideal for hoisting applications. The self-locking nature of the worm gear is another advantage. If the worm gears are designed well, they are excellent for reducing speeds, as they are self-locking.
When choosing a worm, the number of threads that a worm has is critical. Thread starts determine the reduction ratio of a pair, so the higher the threads, the greater the ratio. The same is true for the worm helix angles, which can be one, two, or 3 threads long. This varies between a single thread and a double-throat worm gear, and it is crucial to consider the helix angle when selecting a worm.
Double-throat worm gears differ in their profile from the actual gear. Double-throat worm gears are especially useful in applications where noise is an issue. In addition to their low noise, worm gears can absorb shock loads. A double-throat worm gear is also a popular choice for many different types of applications. These gears are also commonly used for hoisting equipment. Its tooth profile is different from that of the actual gear.
Bronze or aluminum worm shafts
When selecting a worm, a few things should be kept in mind. The material of the shaft should be either bronze or aluminum. The worm itself is the primary component, but there are also addendum gears that are available. The total number of teeth on both the worm and the addendum gear should be greater than 40. The axial pitch of the worm needs to match the circular pitch of the larger gear.
The most common material used for worm gears is bronze because of its desirable mechanical properties. Bronze is a broad term referring to various copper alloys, including copper-nickel and copper-aluminum. Bronze is most commonly created by alloying copper with tin and aluminum. In some cases, this combination creates brass, which is a similar metal to bronze. The latter is less expensive and suitable for light loads.
There are many benefits to bronze worm gears. They are strong and durable, and they offer excellent wear-resistance. In contrast to steel worms, bronze worm gears are quieter than their counterparts. They also require no lubrication and are corrosion-resistant. Bronze worms are popular with small, light-weight machines, as they are easy to maintain. You can read more about worm gears in CZPT’s CZPT.
Although bronze or aluminum worm shafts are the most common, both materials are equally suitable for a variety of applications. A bronze shaft is often called bronze but may actually be brass. Historically, worm gears were made of SAE 65 gear bronze. However, newer materials have been introduced. SAE 65 gear bronze (UNS C90700) remains the preferred material. For high-volume applications, the material savings can be considerable.
Both types of worms are essentially the same in size and shape, but the lead on the left and right tooth surfaces can vary. This allows for precise adjustment of the backlash on a worm without changing the center distance between the worm gear. The different sizes of worms also make them easier to manufacture and maintain. But if you want an especially small worm for an industrial application, you should consider bronze or aluminum.
Calculation of worm shaft deflection
The centre-line distance of a worm gear and the number of worm teeth play a crucial role in the deflection of the rotor. These parameters should be entered into the tool in the same units as the main calculation. The selected variant is then transferred to the main calculation. The deflection of the worm gear can be calculated from the angle at which the worm teeth shrink. The following calculation is helpful for designing a worm gear.
Worm gears are widely used in industrial applications due to their high transmittable torques and large gear ratios. Their hard/soft material combination makes them ideally suited for a wide range of applications. The worm shaft is typically made of case-hardened steel, and the worm wheel is fabricated from a copper-tin-bronze alloy. In most cases, the wheel is the area of contact with the gear. Worm gears also have a low deflection, as high shaft deflection can affect the transmission accuracy and increase wear.
Another method for determining worm shaft deflection is to use the tooth-dependent bending stiffness of a worm gear’s toothing. By calculating the stiffness of the individual sections of a worm shaft, the stiffness of the entire worm can be determined. The approximate tooth area is shown in figure 5.
Another way to calculate worm shaft deflection is by using the FEM method. The simulation tool uses an analytical model of the worm gear shaft to determine the deflection of the worm. It is based on a two-dimensional model, which is more suitable for simulation. Then, you need to input the worm gear’s pitch angle and the toothing to calculate the maximum deflection.
Lubrication of worm shafts
In order to protect the gears, worm drives require lubricants that offer excellent anti-wear protection, high oxidation resistance, and low friction. While mineral oil lubricants are widely used, synthetic base oils have better performance characteristics and lower operating temperatures. The Arrhenius Rate Rule states that chemical reactions double every 10 degrees C. Synthetic lubricants are the best choice for these applications.
Synthetics and compounded mineral oils are the most popular lubricants for worm gears. These oils are formulated with mineral basestock and 4 to 6 percent synthetic fatty acid. Surface-active additives give compounded gear oils outstanding lubricity and prevent sliding wear. These oils are suited for high-speed applications, including worm gears. However, synthetic oil has the disadvantage of being incompatible with polycarbonate and some paints.
Synthetic lubricants are expensive, but they can increase worm gear efficiency and operating life. Synthetic lubricants typically fall into 2 categories: PAO synthetic oils and EP synthetic oils. The latter has a higher viscosity index and can be used at a range of temperatures. Synthetic lubricants often contain anti-wear additives and EP (anti-wear).
Worm gears are frequently mounted over or under the gearbox. The proper lubrication is essential to ensure the correct mounting and operation. Oftentimes, inadequate lubrication can cause the unit to fail sooner than expected. Because of this, a technician may not make a connection between the lack of lube and the failure of the unit. It is important to follow the manufacturer’s recommendations and use high-quality lubricant for your gearbox.
Worm drives reduce backlash by minimizing the play between gear teeth. Backlash can cause damage if unbalanced forces are introduced. Worm drives are lightweight and durable because they have minimal moving parts. In addition, worm drives are low-noise and vibration. In addition, their sliding motion scrapes away excess lubricant. The constant sliding action generates a high amount of heat, which is why superior lubrication is critical.
Oils with a high film strength and excellent adhesion are ideal for lubrication of worm gears. Some of these oils contain sulfur, which can etch a bronze gear. In order to avoid this, it is imperative to use a lubricant that has high film strength and prevents asperities from welding. The ideal lubricant for worm gears is 1 that provides excellent film strength and does not contain sulfur.
