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Spline Shaft（Shaft material：SCM415 Equivalent）
A spline shaft is a mechanical component designed to transfer torque between two rotating parts while allowing for linear motion or axial displacement. It features a series of ridges or teeth, called splines, along its length. These splines mesh with corresponding grooves in a mating component, such as a gear or coupling, enabling efficient torque transmission while permitting movement along the shaft's axis. Spline shafts are commonly used in various applications requiring precise torque transmission and axial movement, including automotive transmissions, industrial machinery, robotics, and aerospace systems. They offer advantages such as improved power transmission efficiency, reduced backlash, and enhanced load-bearing capacity compared to other shaft coupling methods, making them essential components in many mechanical systems. To select a spline shaft from MISUMI, determine the required specifications such as length, diameter, spline type, material, and any additional features. Then, use MISUMI's online catalog or contact direct our MISUMI for assistance.
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Ball Splines - Both Ends Stepped
MISUMI
ball spline with stepped edges on both ends. This standard enables highly accurate linear motion and rotational torque transmission. In addition, the contact area between the ball groove machined into the shaft and the steel ball is large, resulting in a large load capacity and long life. Even a single axis can be used as a linear motion guide, allowing for a compact design.
Nut Type Spline Shaft Outer Dia. D(Ø) Type Nut Length Nut Overall Length L1(mm) Nut Outer Dia. D1(Ø) Preload Accuracy Grade End Shape (Left) End Shape (Right) Torque Shaft material Number of Nuts(pc(s).) Key Provided Type / Flanged Type 6 ～ 30.8 Solid Standard 25 ～ 80 14 ～ 47 Standard Standard Grade Stepped Stepped Middle Torque SCM415 Equivalent - Days to Ship: Số ngày giao hàng: 9 Day(s) or more 
9 Day(s) or more
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| Spline Shaft Outer Dia. D(Ø) |
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| Nut Length |
| Nut Overall Length L1(mm) |
| Nut Outer Dia. D1(Ø) |
| Preload |
| Accuracy Grade |
| End Shape (Left) |
| End Shape (Right) |
| Torque |
| Shaft material |
| Number of Nuts(pc(s).) |
You can add up to 6 items per a category to the compare list.  | |
| BrandNhãn hiệu | MISUMI |
| Product SeriesDòng sản phẩm | |
| CADCAD |
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| From | |
| Days to ShipSố ngày giao hàng | 9 Day(s) or more |
| Nut Type | Key Provided Type / Flanged Type |
| Spline Shaft Outer Dia. D(Ø) | 6 ～ 30.8 |
| Type | Solid |
| Nut Length | Standard |
| Nut Overall Length L1(mm) | 25 ～ 80 |
| Nut Outer Dia. D1(Ø) | 14 ～ 47 |
| Preload | Standard |
| Accuracy Grade | Standard Grade |
| End Shape (Left) | Stepped |
| End Shape (Right) | Stepped |
| Torque | Middle Torque |
| Shaft material | SCM415 Equivalent |
| Number of Nuts(pc(s).) | - |
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ConfigureTạo
Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Spline Shaft Outer Dia. D(Ø)
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Type
- Solid
- Hollow
- Hollow (Thin)
- Polygonal
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Nut Length
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Nut Overall Length L1(mm)
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Nut Outer Dia. D1(Ø)
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Preload
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Accuracy Grade
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End Shape (Left)
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Standard -
Tapped -
Stepped -
Stepped and Tapped -
Stepped and Threaded
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End Shape (Right)
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Standard -
Tapped -
Stepped -
Stepped and Tapped -
Stepped and Threaded
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Torque
- High Torque
- Middle Torque
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Shaft material
- SCM415 Equivalent
- SUJ2
- SUS440C Equivalent
- SUS304
- SUJ2 Equivalent
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Number of Nuts(pc(s).)
Application example related to this categoryVí dụ ứng dụng liên quan đến danh mục này
Related Categories to Spline ShaftDanh mục liên quan đến Spline Shaft
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- Linear Shafts
- Shaft Supports
- Shaft Collars
- Linear Bushings
- Ball Guides
- Spline Shaft
- Oil Free Bushings, Washers
- Oil Free Plates, Guide Rails
- Linear Guides
- Cable Carriers
- Ball Screw
- Support Units
- Lead Screws, Slide Screws
- Cross Roller
- Slide Packs, V Guides, Linear Rails
- Actuators
- Other Linear Motion Related Components
- Bellows
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FAQ Spline Shaft
- Question: What are spline shafts and their primary function in linear motion?
- Answer: Spline shafts are cylindrical rods with ridges or teeth along their length, known as splines. Their primary function in linear motion is to convert rotational motion into smooth and precise linear movement. These splines engage with complementary components to transmit torque efficiently, ensuring controlled motion without slipping or backlash. Spline shafts are crucial in various machinery applications where accurate linear motion is required, such as moving heavy loads or guiding tools with precision, providing reliable and efficient motion control.
- Question: Can you explain the key characteristics of square splines?
- Answer: Square splines feature square-shaped ridges and slots, offering efficient torque transmission and precise alignment. Their design allows for high torque capacity and compatibility with various mating components. Due to their simplicity of manufacture, they are cost-effective for many applications. Additionally, the even distribution of wear along the mating surfaces enhances durability. Square splines are widely used in industrial and mechanical systems where accurate motion control and reliable torque transmission are essential.
- Question: What role do spline shafts play in automotive transmissions?
- Answer: Spline shafts are essential in automotive transmissions for transferring power from the engine to the wheels. They connect parts like the clutch and gears, ensuring smooth power transmission. By enabling the engine's rotational motion to move the wheels with precision, they allow the vehicle to accelerate, decelerate, and shift gears seamlessly. Essentially, spline shafts ensure that your car moves smoothly and efficiently, contributing to its overall performance and driving experience.
- Question: What factors should be considered when choosing a spline shaft?
- Answer: When selecting a spline shaft, it's important to consider factors like the application's torque, speed, and precision requirements. Choose a spline profile and dimensions that match mating components to ensure efficient power transmission. Material selection is key for strength and corrosion resistance. The surface finish impacts durability, while manufacturing methods and costs should be evaluated. Supplier reliability is also crucial. By carefully considering these factors, you can choose a spline shaft that meets your application's needs effectively, ensuring optimal performance and longevity.
- Question: What materials are commonly used for manufacturing spline shafts?
- Answer: Spline shafts are commonly made from materials like steel, aluminum, brass, bronze, titanium, and plastics. Steel offers strength and durability, while aluminum is lightweight. Brass and bronze provide corrosion resistance. Titanium is strong and corrosion-resistant, ideal for demanding environments. Plastics offer benefits like low friction and electrical insulation. The choice depends on factors such as strength, corrosion resistance, weight, and cost.
- Question: What are the maintenance requirements for spline shafts?
- Answer: Maintaining spline shafts involves regular checks for wear, damage, and corrosion. Keep them lubricated to reduce friction and ensure smooth operation. Clean them regularly to prevent dirt buildup. Properly align mating components to avoid unnecessary stress on the shafts. Promptly replace any worn or damaged shafts to prevent further issues. Protect spline shafts from harsh environments and store them correctly when not in use. Following these steps will help ensure the longevity and efficient performance of spline shafts in machinery and equipment.
- Question: How do nut types of influence spline shaft functionality?
- Answer: The type of nut used can significantly affect spline shaft functionality. Slotted nuts provide anti-rotation, ensuring the nut and shaft move together for enhanced torque transmission. Hex nuts offer stability with six sides but lack anti-rotation features. Lock nuts prevent unintentional loosening, employing mechanisms like nylon inserts or serrations. Flange nuts distribute load over a wider area with a built-in washer-like flange. Self-locking nuts have integrated locking features to prevent loosening due to vibrations or external forces. Each type suits specific applications based on torque requirements, environmental conditions, and space constraints.
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