China high quality Export to Korea Custom Made CNC Milling Machines Outer Threaded Steel Spline Hollow Shaft

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)

|
Request Sample

spline shaft

Can spline shafts be customized for specific machinery and equipment?

Yes, spline shafts can be customized to suit specific machinery and equipment requirements. Here’s a detailed explanation:

1. Size and Length:

Spline shafts can be customized in terms of size and length to fit the dimensions of the machinery or equipment. Manufacturers can design spline shafts with the appropriate diameter, overall length, and spline length to ensure a proper fit within the system.

2. Spline Profile:

The spline profile can be customized based on the specific application. Different spline profiles, such as involute, serrated, or helical, can be used to optimize torque transmission, load distribution, and engagement characteristics based on the requirements of the machinery or equipment.

3. Number of Splines:

The number of splines on the shaft can be customized to match the mating component. The number of splines determines the engagement area and affects the torque-carrying capacity of the spline shaft. By adjusting the number of splines, manufacturers can tailor the spline shaft to the specific torque and load requirements of the machinery or equipment.

4. Material Selection:

The choice of material for spline shafts can be customized based on the operating conditions and environmental factors of the machinery or equipment. Different materials, such as alloy steels or stainless steels, can be selected to provide the necessary strength, durability, corrosion resistance, or other specific properties required for the application.

5. Surface Treatment:

The surface of spline shafts can be customized with various treatments to enhance their performance. Surface treatments like heat treatment, coating, or plating can be applied to improve hardness, wear resistance, or corrosion resistance based on the specific requirements of the machinery or equipment.

6. Tolerances and Fit:

Tolerances and fit between the spline shaft and mating components can be customized to achieve the desired clearance or interference fit. This ensures proper engagement, smooth operation, and optimal performance of the machinery or equipment.

7. Special Features:

In certain cases, spline shafts can be customized with additional features to meet specific needs. This may include the incorporation of keyways, threads, or other specialized features required for the machinery or equipment.

Manufacturers and engineers work closely with the machinery or equipment designers to understand the specific requirements and tailor the spline shafts accordingly. By considering factors such as size, spline profile, number of splines, material selection, surface treatment, tolerances, fit, and any special features, customized spline shafts can be developed to ensure optimal performance and compatibility with the machinery or equipment.

It is important to consult with experienced spline shaft manufacturers or engineering professionals to determine the most suitable customization options for a particular machinery or equipment application.

spline shaft

How do spline shafts contribute to precise and consistent rotation?

Spline shafts play a crucial role in achieving precise and consistent rotation in mechanical systems. Here’s how spline shafts contribute to these characteristics:

1. Interlocking Design:

Spline shafts feature a series of ridges or teeth, known as splines, that interlock with corresponding grooves or slots in mating components. This interlocking design ensures a positive connection between the shaft and the mating part, allowing for precise and consistent rotation. The engagement between the splines provides resistance to axial and radial movement, minimizing play or backlash that can introduce inaccuracies in rotation.

2. Load Distribution:

The interlocking engagement of spline shafts allows for effective load distribution along the length of the shaft. This helps distribute the applied torque evenly, reducing stress concentrations and minimizing the risk of localized deformation or failure. By distributing the load, spline shafts contribute to consistent rotation and prevent excessive wear on specific areas of the shaft or the mating components.

3. Torque Transmission:

Spline shafts are specifically designed to transmit torque efficiently from one component to another. The close fit between the splines ensures a high torque-carrying capacity, enabling the shaft to transfer rotational force without significant power loss. This efficient torque transmission contributes to precise and consistent rotation, allowing for accurate positioning and motion control in various applications.

4. Rigidity and Stiffness:

Spline shafts are typically constructed from materials with high rigidity and stiffness, such as steel or alloy. This inherent rigidity helps maintain the dimensional integrity of the shaft and minimizes deflection or bending under load. By providing a stable and stiff rotational axis, spline shafts contribute to precise and consistent rotation, particularly in applications that require tight tolerances or high-speed operation.

5. Alignment and Centering:

The interlocking nature of spline shafts aids in the alignment and centering of rotating components. The splines ensure proper positioning and orientation of the shaft relative to the mating part, facilitating concentric rotation. This alignment helps prevent wobbling, vibrations, and eccentricity, which can adversely affect rotation accuracy and consistency.

6. Lubrication and Wear Reduction:

Proper lubrication of spline shafts is essential for maintaining precise and consistent rotation. Lubricants reduce friction between the mating surfaces, minimizing wear and preventing stick-slip phenomena that can cause irregular rotation. The use of lubrication also helps dissipate heat generated during operation, ensuring optimal performance and longevity of the spline shaft.

By incorporating interlocking design, load distribution, efficient torque transmission, rigidity, alignment, and lubrication, spline shafts contribute to precise and consistent rotation in mechanical systems. Their reliable and accurate rotational characteristics make them suitable for a wide range of applications, from automotive and aerospace to machinery and robotics.

spline shaft

What is a spline shaft and what is its primary function?

A spline shaft is a mechanical component that consists of a series of ridges or teeth (called splines) that are machined onto the surface of the shaft. Its primary function is to transmit torque while allowing for the relative movement or sliding of mating components. Here’s a detailed explanation:

1. Structure and Design:

A spline shaft typically has a cylindrical shape with external or internal splines. The external spline shaft has splines on the outer surface, while the internal spline shaft has splines on the inner bore. The number, size, and shape of the splines can vary depending on the specific application and design requirements.

2. Torque Transmission:

The main function of a spline shaft is to transmit torque between two mating components, such as gears, couplings, or other rotational elements. The splines on the shaft engage with corresponding splines on the mating component, creating a mechanical interlock. When torque is applied to the spline shaft, the engagement between the splines ensures that the rotational force is transferred from the shaft to the mating component, allowing the system to transmit power.

3. Relative Movement:

Unlike other types of shafts, a spline shaft allows for relative movement or sliding between the shaft and the mating component. This sliding motion can be axial (along the shaft’s axis) or radial (perpendicular to the shaft’s axis). The splines provide a precise and controlled interface that allows for this movement while maintaining torque transmission. This feature is particularly useful in applications where axial or radial displacement or misalignment needs to be accommodated.

4. Load Distribution:

Another important function of a spline shaft is to distribute the applied load evenly along its length. The splines create multiple contact points between the shaft and the mating component, which helps to distribute the torque and axial or radial forces over a larger surface area. This load distribution minimizes stress concentrations and reduces the risk of premature wear or failure.

5. Versatility and Applications:

Spline shafts find applications in various industries and systems, including automotive, aerospace, machinery, and power transmission. They are commonly used in gearboxes, drive systems, power take-off units, steering systems, and many other rotational mechanisms where torque transmission, relative movement, and load distribution are essential.

6. Design Considerations:

When designing a spline shaft, factors such as the torque requirements, speed, applied loads, and environmental conditions need to be considered. The spline geometry, material selection, and surface finish are critical for ensuring proper engagement, load-bearing capacity, and durability of the spline shaft.

In summary, a spline shaft is a mechanical component with splines that allows for torque transmission while accommodating relative movement or sliding between mating components. Its primary function is to transmit rotational force, distribute loads, and enable axial or radial displacement in various applications requiring precise torque transfer and flexibility.

China high quality Export to Korea Custom Made CNC Milling Machines Outer Threaded Steel Spline Hollow Shaft  China high quality Export to Korea Custom Made CNC Milling Machines Outer Threaded Steel Spline Hollow Shaft
editor by CX 2024-01-09

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