Product Description
OEM Hot Forge Aluminium Alloy /Steel Forging Agriculture Trailer Axle for Farm Machinery Accessories
Product Description
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Material |
Aluminum, Brass,Bronze,Copper,Stainless Steel,Steel Alloy, etc. |
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Surface Treatment |
Zinc/Nickel/Chrome Plating, Passivation, Hardening, Clear Anodizing, Black Anodizing, Black Oxide, Coating, Degreasing, Brushing, Electronic |
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Certificate |
ISO9001:2015 |
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Packing |
Inner packing: Plastic/paper wrap, bubble bag, PE foam, EPE cotton, PPbag Custom made |
1.WCB,LCB,stainless steel, low carbon steel and alloy steel available.
2.Rich experience in materials ASTM WCB,LCB,low carbon steel and alloy steel.
3.Professional tooling and process to reduce cost.
4.Excellent surface and inner quality.
5.Electric CZPT and strict chemical composition test before cast.
Specifications:
1. ISO9001:2000 certification
2.TUV (PED 97/23/EC & AD2000 aa W0/TRD 100) certification
3.Professional OEM manufacturer
Forging: We can provide forged ring, open-die forging, forged shaft, forged bush, forged
shape,drop forging, precision forging, hot-pressed part, upset forging, hot-upset part, forged disc,
perforated disc.
Our Feature:
1) In-house capability: OEM service as per customers’ requests, with in-house tooling
design & fabricating.
2) Professional engineering capability: on product design, optimization and
performance analysis.
3) Manufacturing capability range: DIN 3960 class 8 to 4, ISO 1328 class 8 to 4, AGMA 2000 class
10-15,JIS 1702-1703 class 0 to 2, etc.
4) Packing: Tailor-made packaging method according to customer’s requirement.
5) Just-in-time delivery capability.
Our Services
1. Long standing reputation in this field.
2. Specialization is standard and accurate meet your requirement.
3. OEM quality standard guaranteed.
4. Product upgrading and expansion of species.
5. Good quality with competitive prices.
6. Flexible and convenient logistic service.
7. Excellent and high quality control.
8. Long lasting working life time.
9. Sufficient storage.
10. Original truck spare parts and professional manufacture.
11. High technology and stable performance.
12. Various size and models available.
| Features: Forged Steel Forging Parts from China Supplier |
| 1) Materials: malleable iron, carbon steel, Alloy steel, stainless steel, aluminum, bronze, brass, etc. |
| 2) Standard: JIS, DIN, ASTM, BS |
| 3 ) Surface treatment :Electro Zinc Plating Hot deep zinc plating, Electrophoresis, Powder coating, Painting ,Shoot blasting etc. |
| 4) Weight: 0.1 -10,000kg |
| 5) Processes : Forging, CNC Machining. |
| 6) Manufacturing equipments: 3 die-forging product lines (3 ton stamp forging hammer product line, 1000 ton friction product line, 1250 ton press product line), various loose hammers and cylinder parts , automatic control ring forging machine, heat treatment cellar, digital control fibre natural gas car furnace, standing machine tool, machine tools, standing miller, standing drill machine, bench drill machine ,CNC machining centre etc |
| 7) Testing equipment: Supersonic inspection machine, Supersonic flaw detecting machine , physics and chemical analysis. |
| 8)Services |
| a) Also can design and manufacture forged according to the customers’ requirement |
| b) ISO9001 quality control and inspection |
| c) In house & Third Parties |
| d) Ordering and warehousing |
| 9)Packing: Wooden cases or according to customers’ needs |
Packaging & Shipping
FAQ
| Q: What is the payment method? A: We accept TT (Bank Transfer), Western Union, L/C. 1. For total amount under US$500, 100% in advance. 2. For total amount above US$500, 30% in advance, the rest before shipment. |
| Q: What is your MOQ? A: MOQ depends on our client’s needs, besides,we welcome trial order before mass-production. |
| Q: What is the production cycle? A: It varies a lot depending on product dimension,technical requirements and quantity. We always try to meet customers’ requirement by adjusting our workshop schedule. |
| Q: What kind of payment terms do you accept? A: T/T, western union, etc. |
| Q: Is it possible to know how is my product going on without visiting your company? A: We will offer a detailed products schedule and send weekly reports with digital pictures and videos which show the machining progress. |
| Q: If you make poor quality goods,will you refund our fund? A: We make products according to drawings or samples strictly until them reach your 100% satisfaction. And actually we wont take a chance to do poor quality products.We are proud of keeping the spirit of good quality. |
Quality First, Price Best, Service Foremost!
We assure you of our best services at all times!
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| Processing Object: | Metal |
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| Molding Style: | Forging |
| Molding Technics: | Pressure Casting |
| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the safety considerations when working with axles, especially during repairs?
Working with axles, especially during repairs, requires careful attention to safety to prevent accidents and injuries. Here are some important safety considerations to keep in mind when working with axles:
1. Personal Protective Equipment (PPE):
Wear appropriate personal protective equipment, including safety goggles, gloves, and steel-toed boots. PPE helps protect against potential hazards such as flying debris, sharp edges, and accidental contact with heavy components.
2. Vehicle Stability:
Ensure that the vehicle is on a stable and level surface before working on the axles. Engage the parking brake and use wheel chocks to prevent unintended vehicle movement. The stability of the vehicle is crucial to maintain a safe working environment.
3. Lifting and Support:
Use proper lifting equipment, such as hydraulic jacks or vehicle lifts, to raise the vehicle safely. Follow the manufacturer’s guidelines for lifting points and weight capacities. Once the vehicle is lifted, support it securely with jack stands or other appropriate supports to prevent it from falling or shifting during repairs.
4. Lockout/Tagout:
If the repair work involves disconnecting or removing any electrical or mechanical components that could cause the axle or wheels to move, follow lockout/tagout procedures. This involves locking and tagging out the power source, so it cannot be accidentally energized while work is being performed.
5. Proper Tools and Equipment:
Use the correct tools and equipment for the job. Using improper tools or makeshift methods can lead to accidents and damage to the axle or surrounding components. Follow the manufacturer’s instructions and recommended procedures for disassembling, repairing, and reassembling the axle.
6. Proper Torque and Tightening:
When reassembling the axle components, use a torque wrench to ensure that fasteners are tightened to the manufacturer’s specifications. Over-tightening or under-tightening can lead to component failure or damage. Follow the recommended torque values provided by the vehicle manufacturer.
7. Safe Handling of Heavy Components:
Axle components can be heavy and cumbersome. Use appropriate lifting techniques and equipment, such as hoists or lifting straps, to safely handle heavy axle parts. Avoid lifting heavy components alone whenever possible and ask for assistance when needed.
8. Proper Disposal of Fluids and Waste:
If the repair involves draining fluids from the axle, such as differential oil, ensure proper disposal according to local regulations. Use appropriate containers to collect and store fluids and dispose of them at authorized collection points.
9. Training and Experience:
Working with axles requires knowledge and experience. If you are unfamiliar with axle repairs, consider seeking assistance from a qualified mechanic or technician who has the necessary training and expertise. If you decide to perform the repairs yourself, ensure that you have the appropriate knowledge and skills to carry out the task safely.
By following these safety considerations, you can help minimize the risk of accidents, injuries, and damage when working with axles, ensuring a safe working environment for yourself and others involved in the repair process.
Can you provide insights into the advancements in axle technology in recent years?
In recent years, there have been significant advancements in axle technology to enhance performance, efficiency, and safety in vehicles. Here are some insights into the key advancements:
- Lightweight Materials:
- Electronic Differential:
- Advanced Axle Bearings:
- Electric Axles:
- Active Suspension Integration:
- Improved Sealing and Lubrication:
- Autonomous Vehicle Integration:
One notable advancement is the use of lightweight materials in axle construction. Manufacturers have increasingly utilized materials such as aluminum alloys and high-strength steels to reduce the weight of axles without compromising strength and durability. Lighter axles contribute to improved fuel efficiency and overall vehicle performance.
Electronic differentials, also known as eDiffs, have gained popularity in recent years. They utilize sensors, actuators, and control algorithms to monitor and distribute torque between the wheels more efficiently. Electronic differentials enhance traction, stability, and handling by actively managing torque distribution, especially in vehicles equipped with advanced stability control systems.
Axle bearings have seen advancements in design and materials to reduce friction, improve efficiency, and enhance durability. For example, the use of roller bearings or tapered roller bearings has become more prevalent, offering reduced frictional losses and improved load-carrying capacity. Some manufacturers have also introduced sealed or maintenance-free bearings to minimize maintenance requirements.
With the rise of electric vehicles (EVs) and hybrid vehicles, electric axles have emerged as a significant technological advancement. Electric axles integrate electric motors, power electronics, and gear systems into the axle assembly. They eliminate the need for traditional drivetrain components, simplify vehicle packaging, and offer benefits such as instant torque, regenerative braking, and improved energy efficiency.
Advancements in axle technology have facilitated the integration of active suspension systems into axle designs. Active suspension systems use sensors, actuators, and control algorithms to adjust the suspension characteristics in real-time, providing improved ride comfort, handling, and stability. Axles with integrated active suspension components offer more precise control over vehicle dynamics.
Axles have seen advancements in sealing and lubrication technologies to enhance durability and minimize maintenance requirements. Improved sealing systems help prevent contamination and retain lubricants, reducing the risk of premature wear or damage. Enhanced lubrication systems with better heat dissipation and reduced frictional losses contribute to improved efficiency and longevity.
The development of autonomous vehicles has spurred advancements in axle technology. Axles are being designed to accommodate the integration of sensors, actuators, and communication systems necessary for autonomous driving. These advancements enable seamless integration with advanced driver-assistance systems (ADAS) and autonomous driving features, ensuring optimal performance and safety.
It’s important to note that the specific advancements in axle technology can vary across different vehicle manufacturers and models. Furthermore, ongoing research and development efforts continue to drive further innovations in axle design, materials, and functionalities.
For the most up-to-date and detailed information on axle technology advancements, it is advisable to consult automotive manufacturers, industry publications, and reputable sources specializing in automotive technology.
How do solid axles differ from independent axles in terms of performance?
When comparing solid axles and independent axles in terms of performance, there are several key differences to consider. Both types of axles have their advantages and disadvantages, and their suitability depends on the specific application and desired performance characteristics. Here’s a comparison of solid axles and independent axles:
| Aspect | Solid Axles | Independent Axles |
|---|---|---|
| Load-Bearing Capability | Solid axles have high load-bearing capability due to their robust and sturdy construction. They can handle heavy loads and provide excellent stability, making them suitable for off-road vehicles, heavy-duty trucks, and towing applications. | Independent axles typically have lower load-bearing capability compared to solid axles. They are designed for lighter loads and offer improved ride comfort and handling characteristics. They are commonly used in passenger cars, sports cars, and vehicles with a focus on maneuverability and road performance. |
| Wheel Articulation | Solid axles have limited wheel articulation due to their connected and rigid design. This can result in reduced traction and compromised wheel contact with the ground on uneven terrain. However, solid axles provide excellent traction in situations where the weight distribution on all wheels needs to be maintained, such as in off-road or rock-crawling applications. | Independent axles offer greater wheel articulation as each wheel can move independently of the others. This allows the wheels to better conform to uneven terrain, maximizing traction and maintaining contact with the ground. Independent axles provide improved off-road capability, enhanced handling, and better ride comfort. |
| Ride Comfort | Due to their rigid design, solid axles generally provide a stiffer and less compliant ride compared to independent axles. They transmit more road shocks and vibrations to the vehicle’s occupants, resulting in a rougher ride quality. | Independent axles are known for providing better ride comfort. Each wheel can react independently to road imperfections, absorbing shocks and vibrations more effectively. This leads to a smoother and more comfortable ride, particularly on paved roads and surfaces with minor irregularities. |
| Handling and Stability | Solid axles offer excellent stability due to their connected nature. They provide better resistance to lateral forces, making them suitable for high-speed stability and towing applications. However, the rigid axle design can limit overall handling and maneuverability, particularly in tight corners or during quick direction changes. | Independent axles generally offer improved handling and maneuverability. Each wheel can react independently to steering inputs, allowing for better cornering performance and agility. Independent axles are commonly found in vehicles where precise handling and responsive steering are desired, such as sports cars and performance-oriented vehicles. |
| Maintenance and Repair | Solid axles are relatively simpler in design and have fewer moving parts, making them easier to maintain and repair. They are often more resistant to damage and require less frequent servicing. However, if a component within the axle assembly fails, the entire axle may need to be replaced. | Independent axles are typically more complex in design and have multiple moving parts, such as control arms, CV joints, or bearings. This complexity can result in higher maintenance and repair costs. However, if a failure occurs, only the affected component needs to be replaced, reducing repair expenses compared to replacing the entire axle. |
It’s important to note that advancements in suspension and axle technologies have resulted in various hybrid systems that combine features of solid and independent axles. These systems aim to provide a balance between load-bearing capability, wheel articulation, ride comfort, and handling performance based on specific application requirements.
In summary, solid axles excel in load-bearing capability, stability, and durability, making them suitable for heavy-duty applications and off-road conditions. Independent axles offer improved ride comfort, better wheel articulation, enhanced handling, and maneuverability, making them suitable for passenger cars and vehicles focused on road performance. The choice between solid axles and independent axles depends on the specific needs and priorities of the vehicle or machinery.
editor by CX 2024-04-04
China Standard Tl25 Titan Brand Wheel Loader on Sale Farm Machinery Price Cost near me manufacturer
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.
Stiffness and Torsional Vibration of Spline-Couplings
In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
Stiffness of spline-coupling
The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
Characteristics of spline-coupling
The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.
Stiffness of spline-coupling in torsional vibration analysis
This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
Effect of spline misalignment on rotor-spline coupling
In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.