Product Description
| Product Parameters |
| Product Name | Solid rod bars, CHINAMFG and hollow bars, Drilling rod bars, Drill stem, Hollow thick wall thickness pipe, Drilling pipe joint, Raise boring drill pipe |
| Standards | AISI, ASTM, DIN, JIS, GB, BS |
| Grades | SAE1571/1045/4130/4140/4145H/4320/4340/5120/5140/ISO41Cr4/42CrMo/42CrMo4/20Cr/40Cr/20CrMo/SCM420/SCM440/SCM435/S235JR/S275JR/SAE1571/C45/S45C/Q345-B/45#/St52 |
| Size | Outside diameter: 100-1000mm Inside diameter: 5-240mm |
| Technique | Hot rolled, hot forged steel round bars |
| Heat treatment | Normalized ; Annealed ; Quenched and Tempered, pre-hardened |
| Surface condition | Oil anti-corrosive protection, black surface, peeling surface |
| Test | Tensile strength, Yield strength, elongation, impact value, hardness, grain size, ultrasonic test, magnetic particle testing, etc. |
| length | 0.5m ~4.5m |
| OEM service | We supply OEM processing on products as per your drawing on the bars |
| Exported to | Kuwait, Venezuela, Chile, Middle East, the republic of Korea, Malaysia, Peru Etc. |
| Packing | Sea worth standard exporting packing |
| Shipping term | In bulk / FCL / LCL, partial shipment allowed |
| Delivery time | Within 7 days for stocks supply. |
Xinruyi Steel Group was built in year 2017 with registered capital of 30,000,000RMB, and we have been in the steel products industries for more than 10years. The group is located in HangZhou City, next to capital of ZheJiang Province, and it enjoy good transportation environment of 3 hours to nearest port and 1 hour CHINAMFG the airport.
As it is well known to all, HangZhou city is the biggest steel pipe base in North China, with this significant advantage on geography aspect, us company have developed into 1 modern international CHINAMFG STEEL GROUP. Till now we have 2 production plants for steel pipes and plate series production and processing, and 3 warehouses for steel products. Our yearly production scale can be reach to 500,000tons, and our warehouse stocks is yearly above 20,000tons. So that we can meet all kinds of demands from different countries clients. Our salesmen are trained to get the best and professional skills on doing export trading dealing with various kinds of issues in the trading, which is a base that our buyers can have good buying experience. Till now we can supply the good quality products consisting of and not limit to the following, steel pipes, bars, rock bolts, guardrail composite pipe, guardrail board, color coated steel coils, galvanized coils, steel balls, steel chains, steel plates and steel bearing. Besides we can provides processing procedures for the steel products, like anti-rust protecting, cutting and chamfer, coupling, heat treating, bending, galvanizing, polishing, beveling, pickling, plastic spraying, CNC machining, and so on.
With efforts of CHINAMFG People we have the pleasure to serve the clients from more than 20 countries and areas, We earned good reputations from the clients without any claim. We finally become good friends and intimate partners with them.
Looking forward, we get good confidence that we will expand our business scales to more countries and areas, and serve more people in the world. Because we always believe quality of the commodity is the life of company, stability is the essence of quality. Also the integrity in business will help bring the long term business relationship, so it is the code that 1 company can develop and survive.
Xinruyi Group is looking CHINAMFG to the cooperation with you! We believe 1 time cooperation, friends forever!
(Xinruyi Steel Group Swear: we do not cheat any of our client, we only do business with good faith and honesty! CHINAMFG will NEVER offering incredible low rate to attract clients and sending less weight goods to make money. )
(Xinruyi Steel Group Swear: Even if we do not get the order, we do not cheat even 1 client!)
(We give Made-in-China complain center as below: complaint/)
| Why Is Us |
⊙More than 11 years experience in the steel industry ensuring us best ability supplying you best solutions on goods design, processing, transportation, and cost control.
⊙Abundant ready stocks and sizes assuring you the shortest delivery time and lowest purchase cost; comprehensive and various steel products production and sales range give us opportunity to serve more people.
⊙SGS authorized factory ensuring credit and truth on cooperation, No cheating to all and no shortage on weight in CHINAMFG Steel, so you feel free and relaxed to place orders.
⊙Quality guaranteed. The MTC sheet issued by us will be presented together with other shipment documents for every lot. We accept any quality claim raised within 1 year. We always believe high-quality nature is stability, so you will receive same goods every time.
⊙7×24 hours on line communication. You can find us always there whenever you looking for. And for your orders, CHINAMFG Sales have responsibilities to present their situations to you via pictures and videos for every stages.
⊙ Customized service help you avoid complex follow-up work, our professional processing on goods itself find you a good one-stop buying experience in our plants.
| Frequently Asked Questions |
1.What is your paying terms?
Our usual paying terms are 30%TT as deposit and balance paid after seeing copy of bill of loading. For clients cooperated for more than 1 year, we accept 20% prepay. Beside we do business also under D/P and LC terms.
2.How long is your delivery time?
For the goods we have in stocks, we deliver the goods within 5days. If it is a production order with volume not above 200tons, the delivery time will usually be within 25days after sealing contract. And the delivery time shall be slightly longer for order volume above 200tons.
3.Before cooperation we want a sample for inspecting of quality, is that okay?
We can provide a free sample for you shall sample value not above 30USD, you only need to pay the express charge. For a sample valued more than 30USD, the express charge and just 1 half of sample value is on the account of you, and we afford the other half.
4.Does your company accept third party inspection?
The answer is yes. Especially for new client, they have concern on product quality and quantity, so they authorized the third party inspection like SGS and BV several times to inspect the goods in stead of them, and we coordinated with their work well.
5.Do you accept annual supply order?
Some of our clients purchase annually. They may place order at beginning or certain time of year, however they need us to supply the goods every month or every season. We can do and accept this kind of supplying. We do not ask for the storage charge, however some percentage of deposit will be with us.
6.What documents do you supply for each order?
The documents will usually consist of Original Packing List, Commercial Invoice, Mill Test Certificate, Certificate of Origin, Insurance Policy, and Bill of Loading. Some other documents will be as per client request.
Finally we thank you again that you can visit CHINAMFG Steel, please send your inquiry or comments freely.
We wish you always a beautiful day and in good health!
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| After-sales Service: | 7 X 24 Hours One Week |
|---|---|
| Warranty: | 1 Year |
| Standard: | AISI, ASTM, GB, JIS, DIN, BS |
| Technique: | Forged |
| Application: | Structural Steel Bar |
| Surface Treatment: | Black, Peeling |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
|---|
How do spline shafts contribute to efficient power transmission?
Spline shafts play a vital role in enabling efficient power transmission in various mechanical systems. Here’s a detailed explanation of how spline shafts contribute to efficient power transmission:
1. Torque Transmission:
Spline shafts are designed to transmit torque from one component to another. They provide a positive, non-slip connection that allows for efficient power transfer without slippage or loss of energy. The splines on the shaft engage with corresponding splines on the mating component, creating a strong mechanical connection for torque transmission.
2. Load Distribution:
Spline shafts distribute the applied load evenly across the engagement surfaces. The teeth or grooves on the shaft’s spline profile ensure that the load is shared across multiple contact points. This even load distribution helps prevent localized stress concentrations and reduces the risk of premature wear or failure. Efficient load distribution ensures that power is transmitted smoothly and reliably.
3. Misalignment Compensation:
Spline shafts can accommodate a certain degree of misalignment between the mating components. The spline profile design allows for angular or parallel misalignment without compromising the power transmission capability. This misalignment compensation capability is crucial in maintaining efficient power transmission in situations where perfect alignment is challenging or subject to variations.
4. High Torque Capacity:
Spline shafts are designed to withstand high torque levels. The spline profile, engagement length, and material selection are optimized to handle the expected torque requirements. This high torque capacity ensures that the shaft can efficiently transmit power without experiencing excessive deflection or failure under normal operating conditions.
5. Torsional Stiffness:
Spline shafts exhibit high torsional stiffness, which means they resist twisting or torsional deflection when subjected to torque. The shaft’s design, including its diameter, spline profile, and material properties, contributes to its torsional stiffness. High torsional stiffness minimizes power loss due to deformation or flexing of the shaft, allowing for efficient power transmission.
6. Reliable Connection:
Spline shafts provide a reliable and repeatable connection between the driving and driven components. Once properly engaged, the spline shaft maintains its connection, ensuring consistent power transmission over time. This reliability is crucial in maintaining efficiency and preventing power loss or interruptions during operation.
7. Minimal Backlash:
Backlash refers to the slight rotational play or clearance between mating components. Spline shafts, when properly designed and manufactured, can minimize backlash in the power transmission system. Reduced backlash ensures smoother operation, improved accuracy, and efficiency by minimizing power losses associated with reversing or changing direction.
8. Compact Design:
Spline shafts offer a compact and space-efficient solution for power transmission. Their design allows for a relatively small footprint while providing robust torque transmission capabilities. The compact design is particularly advantageous in applications where space is limited, such as automotive drivetrains or compact machinery.
By incorporating spline shafts into mechanical systems, engineers can achieve efficient power transmission, ensuring that power is effectively transferred from the driving source to the driven components. The unique design features of spline shafts enable reliable torque transmission, even load distribution, misalignment compensation, high torque capacity, torsional stiffness, reliable connections, minimal backlash, and compactness.
How do spline shafts handle variations in load capacity and weight?
Spline shafts are designed to handle variations in load capacity and weight in mechanical systems. Here’s how they accomplish this:
1. Material Selection:
Spline shafts are typically made from high-strength materials such as steel or alloy, chosen for their ability to withstand heavy loads and provide durability. The selection of materials takes into account factors such as tensile strength, yield strength, and fatigue resistance to ensure the shaft can handle variations in load capacity and weight.
2. Engineering Design:
Spline shafts are designed with consideration for the anticipated loads and weights they will encounter. The dimensions, profile, and number of splines are determined based on the expected torque requirements and the magnitude of the applied loads. By carefully engineering the design, spline shafts can handle variations in load capacity and weight while maintaining structural integrity and reliable performance.
3. Load Distribution:
The interlocking engagement of spline shafts allows for effective load distribution along the length of the shaft. This helps distribute the applied loads evenly, preventing localized stress concentrations and minimizing the risk of deformation or failure. By distributing the load, spline shafts can handle variations in load capacity and weight without compromising their performance.
4. Structural Reinforcement:
In applications with higher load capacities or heavier weights, spline shafts may incorporate additional structural features to enhance their strength. This can include thicker spline teeth, larger spline diameters, or reinforced sections along the shaft. By reinforcing critical areas, spline shafts can handle increased loads and weights while maintaining their integrity.
5. Lubrication and Surface Treatment:
Proper lubrication is essential for spline shafts to handle variations in load capacity and weight. Lubricants reduce friction between the mating surfaces, minimizing wear and preventing premature failure. Additionally, surface treatments such as coatings or heat treatments can enhance the hardness and wear resistance of the spline shaft, improving its ability to handle varying loads and weights.
6. Testing and Validation:
Spline shafts undergo rigorous testing and validation to ensure they meet the specified load capacity and weight requirements. This may involve laboratory testing, simulation analysis, or field testing under real-world conditions. By subjecting spline shafts to thorough testing, manufacturers can verify their performance and ensure they can handle variations in load capacity and weight.
Overall, spline shafts are designed and engineered to handle variations in load capacity and weight by utilizing appropriate materials, optimizing the design, distributing loads effectively, incorporating structural reinforcement when necessary, implementing proper lubrication and surface treatments, and conducting thorough testing and validation. These measures enable spline shafts to reliably transmit torque and handle varying loads in diverse mechanical applications.
How does a spline shaft differ from other types of shafts?
A spline shaft differs from other types of shafts in several ways. Here’s a detailed explanation:
1. Spline Structure:
A spline shaft features a series of ridges or teeth (splines) that are machined onto its surface. These splines create a precise and controlled interface with mating components, allowing for torque transmission and relative movement. In contrast, other types of shafts, such as plain shafts or keyed shafts, do not have the splines and rely on different mechanisms for torque transmission.
2. Torque Transmission and Relative Movement:
Unlike plain shafts or keyed shafts, which transmit torque through a frictional or mechanical connection, spline shafts allow for both torque transmission and relative movement between the shaft and mating components. The splines on the shaft engage with corresponding splines on the mating component, creating an interlock that transfers rotational force while accommodating axial or radial displacement. This feature provides flexibility and is particularly useful in applications where misalignment or relative movement needs to be accommodated.
3. Load Distribution:
One of the advantages of spline shafts is their ability to distribute loads over a larger surface area. The multiple contact points created by the splines help distribute the applied load evenly along the shaft’s length. This load distribution minimizes stress concentrations and reduces the risk of premature wear or failure. In contrast, other types of shafts may rely on a single keyway or frictional contact, which can result in higher stress concentrations and limited load distribution.
4. Design Flexibility:
Spline shafts offer greater design flexibility compared to other types of shafts. The number, size, and shape of the splines can be customized to meet specific design requirements. This allows for optimization of torque transmission, load-bearing capacity, and relative movement characteristics based on the application’s needs. Other types of shafts may have more standardized designs and limited customization options.
5. Application Variability:
Spline shafts find widespread use in various industries and applications where torque transmission, relative movement, and load distribution are crucial. They are commonly employed in gearboxes, power transmission systems, steering mechanisms, and other rotational systems. Other types of shafts, such as plain shafts or keyed shafts, may be more suitable for applications that require simpler torque transmission without the need for relative movement.
6. Installation and Maintenance:
When compared to other types of shafts, spline shafts may require more precise machining and alignment during installation. The mating components must be accurately matched to ensure proper engagement and torque transfer. Additionally, spline shafts may require periodic inspection and maintenance to ensure the integrity of the splines and optimal performance.
In summary, spline shafts differ from other types of shafts due to their spline structure, ability to accommodate relative movement, load distribution capability, design flexibility, application variability, and specific installation and maintenance requirements. These characteristics make spline shafts well-suited for applications that demand precise torque transmission, flexibility, and load distribution.
editor by CX 2023-12-25