产品描述
Product description
Linear shaft features
| Items | Linear shaft | Flexible shaft | Hollow shaft |
| 材料 | CK45, SUJ2 | CK45 | SUJ2 |
| Heat treatment | Induction hardened | Not hardened | Induction hardened |
| Surface hardness | HRC58±2 | HRC15±3 | HRC60±2 |
| Surface treated | Hard chrome plated | Hard chrome plated | Hard chrome plated |
| 精确 | h7, g6, h6 | h7, g6 | h7, g6, h6 |
| Roundness | Max3.0µm | Max3.0µm | Max3.0µm |
| Straightness | Max5.0µm | Max5.0µm | Max5.0µm |
| Chrome thickness | 20-30µm | 30µm | 30µm |
| Roughness | Max1.5µm | Max1.5µm | Max1.5µm |
| Process machinized | Threading, reduced shaft dia,coaxial holes drilled and tapped, flats-single or multiple, key way, snap ring grooves, radial holes drilled and tapped, chamfering | ||
Linear shaft description
YYZW offers linear shafting in a variety of different options to meet a wide range of customer needs. Available in hardened steel, CK45 material steel, SUJ2 material steel, hollow steel , inch and metric, Simplicity Shafting maintains the ideal surface finish for linear plain bearings and ball bearings.
· Solid round shafting is available in inch sizes from 3/16″ thru 4″ and metric sizes from 3 mm thru 80 mm
· Machining available CHINAMFG request
High Reliability
YYZW linear shaft has very straight quality control standards covering every production process. With proper lubrication and use, trouble-free operation for an extended period of time is possible.
Smooth Operation
The high efficiency of linear shaft is vastly superior to conventional shaft. The torque required is less than 30%. Linear motion can be easily changed from rotary motion.
High Durability
Rigidly selected materials, intensive heat treating and processing techniques, backed by years of experience,have resulted in the most durable linear shaft manufactured.
Induction linear shaft, Flexible linear shaft,
linear bearings shaft, hollow linear shaft,
hardened linear shaft, chromed linear shaft
Application
For delicate application in industrial application, machine tool and automation application.
Linear Shafts – Technical Properties.
| Test linear shaft surface roughness the max roughness is Ra0.4um | |
| Straight the linear shaft straightness: We control the traighness 0.05mm of linear shaft 300mm | |
| Test hardness: S45C materail induction linear shaft, the hardness is HRC55-58 GCr15 (SUJ2) materail induction linear shaft, the hardness is HRC58-63 If flexible shaft, the hardness is based on the shaft material itself | |
| Test the linear shaft dia precision, as usually, h7 is the normal tolerance in our stock, But we can offer g6, h6 precision too. if any special tolerance, we are able to customize them for you. |
We can machinize all kinds of machining,
Related products
Related products
There are many kinds of hardwareproducts we can offer, If you are interested in them, please click the picture and see the details.
Production Flow
包装和运输
Packaging and shipping
PP bag for each linear shaft, Standard exported carton outside for small order shipping by international express, such as DHL, TNT, UPS
Wooden box outside for big quantity or very long linear shaft by sea, by air
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| 材料： | Carbon Steel |
|---|---|
| Load: | Central Spindle |
| Stiffness & Flexibility: | Stiffness / Rigid Axle |
| Journal Diameter Dimensional Accuracy: | IT01-IT5 |
| Axis Shape: | Straight Shaft |
| Shaft Shape: | Real Axis |
| 示例： | US$ 20/Piece 1 件（最低订购量） | |
|---|
| 定制化： | 可用的 | 定制请求 |
|---|
样条曲线的种类有哪些？它们分别有哪些应用？
Spline profiles are used in various applications to transmit torque and motion between mating components. Here’s a detailed explanation of different spline profiles and their applications:
1.渐开线花键：
渐开线花键具有梯形齿形，可实现平稳的啮合和分离。它们广泛应用于动力传输领域，例如汽车变速箱，尤其适用于需要高扭矩传输的场合。渐开线花键具有优异的载荷分布性能，并能适应一定的不对中情况。
2. 直边花键：
直齿花键具有笔直的齿侧，能够高效传递扭矩并具有高扭转刚度。它们常用于需要精确定位的应用领域，例如机床、机器人和航空航天系统。直齿花键可提供精确的运动控制，并且抗错位能力强。
3.锯齿：
锯齿是一种花键轮廓，其特征是具有多个齿，这些齿呈平行脊和槽状。它们常用于涉及轴向或线性运动的应用，例如分度机构、夹紧系统或电动工具。锯齿可提供牢固的锁定和定位功能。
4. 螺旋花键：
螺旋花键的齿形呈螺旋状，类似于螺旋齿轮。它们能实现平稳渐进的啮合，从而降低噪音和振动。螺旋花键常用于需要高扭矩传输且对静音运行要求极高的应用场合，例如重型机械、工业设备和汽车传动系统。
5. 冠状花键：
冠状花键的齿形经过改良，沿齿长方向略微弯曲。这种设计有助于将载荷均匀分布在齿面上，从而减少应力集中并提高承载能力。冠状花键适用于对承载能力和耐磨性要求极高的应用，例如重型齿轮箱、船舶推进系统或采矿设备。
6. 球形花键：
滚珠花键在花键螺母和轴上的沟槽内集成了循环滚珠轴承。这种设计能够实现低摩擦、高精度的直线运动。滚珠花键常用于需要平稳直线运动的应用，例如数控机床、机器人或直线执行器。
7. 自定义花键：
除了上述标准花键轮廓外，还可以根据特定应用需求设计定制花键轮廓。定制花键可以优化扭矩传递、载荷分布、不对中补偿或其他特定性能参数。
花键齿形的选择取决于多种因素，例如扭矩大小、所需精度、不对中容差、噪声和振动要求以及环境条件。工程师和设计师会仔细选择合适的花键齿形，以确保在预期应用中达到最佳性能和可靠性。
How do spline shafts handle variations in environmental conditions?
Spline shafts are designed to handle variations in environmental conditions and maintain their performance and reliability. Here’s a detailed explanation:
1. Temperature Variations:
Spline shafts are engineered to withstand a wide range of temperature variations. They are constructed from materials that exhibit good thermal stability, such as high-grade steels or alloys. These materials have low coefficients of thermal expansion, minimizing the effects of temperature changes on the shaft’s dimensional stability. Additionally, proper lubrication with temperature-resistant lubricants helps reduce friction and wear in the spline engagement, even under extreme temperature conditions.
2. Moisture and Corrosion Resistance:
Spline shafts can be designed to resist moisture and corrosion, ensuring their performance in humid or corrosive environments. Protective coatings, such as platings or surface treatments, can be applied to the shaft’s surfaces to enhance their resistance to moisture, oxidation, and corrosion. Additionally, selecting materials with inherent corrosion resistance, such as stainless steel or specialized alloys, can further enhance the spline shaft’s ability to handle environmental conditions.
3. Dust and Contaminant Protection:
Spline shafts used in environments with high levels of dust, dirt, or contaminants can be equipped with protective measures. Seals, gaskets, or covers can be employed to prevent the ingress of particles into the spline engagement. These protective measures help maintain the integrity of the spline profile, minimize wear, and ensure smooth operation even in dirty or dusty conditions.
4. Lubrication and Maintenance:
Proper lubrication is essential for the reliable operation of spline shafts, especially in challenging environmental conditions. Lubricants with appropriate viscosity and additives can be selected to provide effective lubrication and protection against wear, friction, and corrosion. Regular maintenance and lubrication intervals should be followed to ensure optimal performance and longevity of the spline shaft.
5. Shock and Vibration Resistance:
Spline shafts are designed to withstand shock and vibration encountered in various applications. The spline engagement and shaft design can incorporate features such as tighter tolerances, increased contact area, or damping elements to minimize the effects of shock and vibration. Additionally, proper fastening and mounting techniques help secure the shaft and reduce the risk of loosening or failure due to dynamic loads.
6. Environmental Sealing:
In certain applications where spline shafts are exposed to harsh environmental conditions, such as underwater or in chemical environments, environmental sealing can be employed. Sealing methods such as O-rings, gaskets, or specialized seals provide an additional barrier against external elements, ensuring the integrity and performance of the spline shaft.
7. Compliance with Standards:
Spline shafts used in specific industries or applications may need to comply with industry standards or regulations regarding environmental conditions. Manufacturers can design and test their spline shafts to meet these requirements, ensuring that the shafts can handle the specified environmental conditions and perform reliably.
By incorporating design considerations, appropriate materials, protective coatings, lubrication, and maintenance practices, spline shafts can effectively handle variations in environmental conditions. This enables them to maintain their functionality, performance, and longevity even in challenging operating environments.
What are the advantages of using spline shafts in mechanical systems?
Using spline shafts in mechanical systems offers several advantages. Here’s a detailed explanation:
1. 扭矩传递：
Spline shafts provide efficient torque transmission between the driving and driven components. The interlocking splines ensure a secure and reliable transfer of rotational force, enabling the transmission of power and motion in mechanical systems.
2. Relative Movement Accommodation:
Spline shafts can accommodate relative movement between the driving and driven components. They allow axial, radial, and angular displacements, compensating for misalignments, thermal expansion, and vibrations. This flexibility helps to maintain proper engagement and minimize stress concentrations.
3. 负荷分配：
The splines on the shaft distribute the transmitted load across the entire engagement surface. This helps to reduce localized stresses and prevents premature wear or failure of the components. The load distribution capability of spline shafts contributes to the overall durability and longevity of the mechanical system.
4. Precise Positioning and Control:
Spline shafts enable precise positioning and control of mechanical components. The splines provide accurate rotational alignment, allowing for precise angular positioning and indexing. This is crucial in applications where precise control and synchronization of movements are required.
5. Interchangeability and Standardization:
Spline shafts are available in standardized designs and dimensions. This enables interchangeability between components and facilitates easier maintenance and replacement. Standardization also simplifies the design and manufacturing processes, reducing costs and lead times.
6. High Power Transmission Capacity:
Spline shafts are designed to withstand high torque loads. The interlocking splines provide a large contact area, distributing the transmitted torque across multiple teeth. This allows spline shafts to handle higher power transmission requirements, making them suitable for heavy-duty applications.
7. Versatility:
Spline shafts can be designed and manufactured to suit various application requirements. They can be customized in terms of size, shape, number of splines, and spline profile to match the specific needs of a mechanical system. This versatility makes spline shafts adaptable to a wide range of industries and applications.
8. Reduced Slippage and Backlash:
When properly designed and manufactured, spline shafts exhibit minimal slippage and backlash. The tight fit between the splines prevents significant axial or radial movement during torque transmission, resulting in improved efficiency and precision in mechanical systems.
In summary, the advantages of using spline shafts in mechanical systems include efficient torque transmission, accommodation of relative movement, load distribution, precise positioning and control, interchangeability, high power transmission capacity, versatility, and reduced slippage and backlash. These advantages make spline shafts a reliable and effective choice in various applications where power transfer, flexibility, and precise motion control are essential.
editor by CX 2024-02-19