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Knuckle Joints（Thread Size M：M26）
A knuckle joint is a type of pin joint used to join two components that are loaded in tension. One component has a fork with a hole passing through both sides, forming a double eye, while the other component has a single eye. The single eye is inserted between the double eyes so that all three holes are concentric a
A knuckle joint is a type of pin joint used to join two components that are loaded in tension. One component has a fork with a hole passing through both sides, forming a double eye, while the other component has a single eye. The single eye is inserted between the double eyes so that all three holes are concentric and a pin is used to secure the components. Knuckle joints are often used to connect rods subjected to tension in structures such as roof ties, bridges, and cranes. The links of a chain are also considered a series of knuckle joints. Simplicity means that knuckle joints are easily manufactured while being strong and rigid under tension loads. They’re also easily assembled and disassembled.
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Auxiliary Drive (Rod Tip Bracket), Double Knuckle Joint, JSI Series Cylinder Compatible
AIRTAC
Auxiliary drive (rod tip) double knuckle joint JSI series compatible cylinder manufactured by AirTAC which is well known for its high quality and high value is adapted.
Mounting Method Thread Size M(mm) Type Thread Pitch(mm) Material Accessories Included - M26 Double Notched Knuckle Joints 1.5 - - From: 29,660 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more 
4 Day(s) or more
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Knuckle Joints - Tapped, Configurable
MISUMI
Knuckle Joints - Tapped, Configurable - equipped with Rotation Stopper and compatible with M3~M26 screws regardless of Convex Type or Concave Type.
Mounting Method Thread Size M(mm) Type Thread Pitch(mm) Material Accessories Included Tapped M26 Single Notched Knuckle Joints / Double Notched Knuckle Joints 1.5 Stainless Steel ～ Steel Not Included Days to Ship: Số ngày giao hàng: 6 Day(s) or more
6 Day(s) or more
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Adaptation of Auxiliary Drive (Rod Tip) Double Knuckle Joint ACQ Series Cylinder
AIRTAC
Compatible with auxiliary drive (rod tip) double knuckle joint ACQ series cylinder manufactured by AirTAC which is well known for its high quality.
Mounting Method Thread Size M(mm) Type Thread Pitch(mm) Material Accessories Included - M26 Double Notched Knuckle Joints 1.5 - - From: 333,895 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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AIRTAC
Auxiliary drive (rod tip) single knuckle joint compatible with ACQ series cylinder manufactured by AirTAC, which is well-known for its high quality.
Mounting Method Thread Size M(mm) Type Thread Pitch(mm) Material Accessories Included - M26 Single Notched Knuckle Joints 1.5 - - From: 216,361 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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SCA2, JSC3, USC, and HCA Metal Fixture, Single Crevice Knuckle Joint
CKD
Single knuckle for HCM Pins and retaining rings are not included in accessories.
Mounting Method Thread Size M(mm) Type Thread Pitch(mm) Material Accessories Included Tapped M26 Single Notched Knuckle Joints 1.5 Cast Iron Included From: 1,057,296 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
6 Day(s) or more
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Double Notched Knuckle Metal Joint for SCA2/JSC3/USC/HCA
CKD
Double notched knuckle for SCA2, JSC3, USC, HCA. Pins and retaining rings are attached.
Mounting Method Thread Size M(mm) Type Thread Pitch(mm) Material Accessories Included - M26 Double Notched Knuckle Joints 1.5 Cast Iron Included From: 1,237,678 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
6 Day(s) or more
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Single Knuckle Joint for SCM Brackets
CKD
Single clevis knuckle for CMK2, CMA2, CKV2, JSK2, JSM2.
Mounting Method Thread Size M(mm) Type Thread Pitch(mm) Material Accessories Included Tapped M26 Single Notched Knuckle Joints 1.5 Cast Iron Not Included From: 831,845 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
6 Day(s) or more
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Double Notched Knuckle Joint for SCM
CKD
Double notched knuckle for SCA2, JSC3, USC, HCA. Pins and retaining rings are attached.
Mounting Method Thread Size M(mm) Type Thread Pitch(mm) Material Accessories Included Tapped M26 Double Notched Knuckle Joints 1.5 Cast Iron Included From: 1,001,108 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
6 Day(s) or more
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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Application example related to this categoryVí dụ ứng dụng liên quan đến danh mục này
Related Categories to Knuckle JointsDanh mục liên quan đến Knuckle Joints
FAQ Knuckle Joints
- Question: In what applications are knuckle joints typically used?
- Answer: knuckle joints are commonly utilized in mechanisms requiring controlled rotational movement. They find applications in steering systems for automobiles and aircraft, allowing for precise direction control. In industrial machinery, such as cranes and robotic arms, knuckle joints facilitate movement in specific directions, enhancing versatility. Moreover, they play a vital role in construction equipment like excavators and loaders, ensuring efficient operation. Additionally, knuckle joints feature prominently in material handling systems and medical devices, providing flexibility and controlled articulation for various functions in engineering work.
- Question: What materials are commonly used for knuckle joints?
- Answer: Knuckle joints, vital for controlled rotational movement, utilize diverse materials based on specific needs. Steel, including carbon, alloy, and stainless variants, offers durability and corrosion resistance, fitting for industrial applications. Aluminum alloys balance strength and lightness, favored in aerospace and automotive sectors. Brass and bronze, prized for corrosion resistance and malleability, find use in architectural and heavy-duty contexts. Titanium's exceptional strength-to-weight ratio and corrosion resistance suit aerospace and high-performance machinery. Material selection hinges on factors like strength, weight, corrosion resistance, and environmental conditions, ensuring optimal functionality in diverse applications.
- Question: How do you maintain a knuckle joint?
- Answer: Maintaining a knuckle joint involves routine checks and actions to ensure its smooth operation and longevity. First, inspect the joint regularly for wear, damage, or misalignment. Clean the joint to remove dirt and debris that can cause friction and premature wear. Apply lubrication as recommended by the manufacturer to reduce friction and prevent corrosion. Tighten any loose fasteners to maintain structural integrity. Replace worn or damaged components promptly to prevent further issues. Finally, conduct operational tests to verify proper functionality. By following these steps, you can ensure the knuckle joint operates effectively and safely, extending its service life and minimizing downtime.
- Question: How do you determine the correct size of a knuckle joint for a specific application?
- Answer: Determining the correct size of a knuckle joint involves a comprehensive assessment of various factors. This includes analyzing the application's load requirements (static and dynamic), considering the necessary range of motion, evaluating environmental conditions, accommodating space limitations, and addressing mounting considerations. applications on industry standards, guidelines, and possibly consultations with experts to ensure the selected size can effectively withstand expected loads and movements while fitting seamlessly into the application's requirements.
- Question: Are there any limitations to using knuckle joints?
- Answer: Knuckle joints have limitations, including wear and fatigue over time, particularly under high loads or harsh conditions. They may introduce backlash or play, impacting precision, and improper maintenance or lubrication can hasten wear. The designer must carefully consider these factors when integrating knuckle joints into designs, ensuring optimal performance and longevity.
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