In what applications are knuckle joints typically used?

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.

What materials are commonly used for knuckle joints?

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.

How do you maintain a knuckle joint?

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.

How do you determine the correct size of a knuckle joint for a specific application?

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.

Are there any limitations to using knuckle joints?

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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CKD Knuckle Joints

Knuckle Joints products in the Automation Components category from CKD. The product can be selected based on many product specifications such as Mounting Method, Thread Size M, Type, Thread Pitch, Material. CKD offers products around 17 items and the product specifications can easily be compared. Search and select detailed specifications of parts for your machine with free CAD downloads. CKD products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

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Type	Single Notched Knuckle Joints Double Notched Knuckle Joints Accessories
Brand	(6) (0) CKD (17)
CAD	2D 3D
Days to Ship	All 5 Day(s) or Less 6 Day(s) or Less 8 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less Others

17 items

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SSD Double Clevis Knuckle Joint

CKD

Mounting bracket to be attached to the cylinder.
[Features]
·Available as a double knuckle joint (Y/Y2).
[Applications]
·For SSD series.

CAD ：: 2D / 3D

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
-	M5 ～ M22	Double Notched Knuckle Joints	0.8 ～ 1.5	-	Included / Not Included

From: ₹ 848.36
Days to Ship: 5 Day(s) or more

5 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	M8 ～ M26	Double Notched Knuckle Joints	1.25 ～ 1.5	Steel / Cast Iron	Included

From: ₹ 1,305.91
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Fittings for CMK2/CMA2/CKV2/JSK2/JSM2, Double Knuckle Joint

CKD

Double notched knuckle for cylinder CMK2, CMA2, CKV2, JSK2, JSM2. Pins and retaining rings are attached.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
-	M12	Double Notched Knuckle Joints	1.5	Steel	Included

From: ₹ 1,650.85
Days to Ship: 5 Day(s) or more

5 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
-	M14 ～ M26	Double Notched Knuckle Joints	1.5	Cast Iron	Included

From: ₹ 2,337.02
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

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	M8 ～ M26	Single Notched Knuckle Joints	1.25 ～ 1.5	Steel / Cast Iron	Not Included

From: ₹ 1,068.87
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Bracket for SSD2, Single Knuckle Joint

CKD

Single clevis knuckle joint for cylinder SSD2.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
Tapped	M18 ～ M22	Single Notched Knuckle Joints	1.5	-	Not Included

From: ₹ 1,806.31
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Double knuckle Joint for CMK2/CMA2/CKV2/JSK2/JSM2/HCA Brackets

CKD

Double notched knuckle for cylinder CMK2, CMA2, CKV2, JSK2, JSM2, HCA. Pin and washer split pin are attached.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
-	M8	Double Notched Knuckle Joints	1	Steel	Included

From: ₹ 1,607.24
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Joint, Brackets for CMK2/CMA2/CKV2 /JSK2/JSM2/SSD/HCA

CKD

Knuckle joint for cylinder CMK2, CMA2, CKV2, JSK2, JSM2, SSD, HCA.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
Tapped	M10	Single Notched Knuckle Joints / Double Notched Knuckle Joints	1.25	Steel	Not Included

From: ₹ 1,333.98
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Brackets for SCG, JSG Double Notched Knuckle Joint

CKD

Double notched knuckle for SCG, JSG. Pins and split pins / flat washers are attached.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
-	M14	Double Notched Knuckle Joints	1.5	Cast Iron	Included

From: ₹ 2,647.44
Days to Ship: 13 Day(s) or more

13 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Brackets for SSD2, Pin for Double Notched Knuckle Joint

CKD

Double notched knuckle pin for SSD2.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
-	-	Accessories	-	-	Not Included

From: ₹ 418.24
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Fittings for SSD/SCP※2, Single Knuckle Joint

CKD

Single clevis knuckle for cylinder SSD, SCP*2.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
Tapped	M5	Single Notched Knuckle Joints	-	Steel	Not Included

From: ₹ 713.82
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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SSD/USSD Fitting, Pin for Double Notched Knuckle Joint

CKD

Double notched knuckle joint pin for cylinder SSD, USSD.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
-	-	Accessories	-	-	Not Included

From: ₹ 1,173.99
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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SSD Fitting - Single Peaked Knuckle Joint

CKD

Single clevis knuckle joint for cylinder SSD.

CAD ：: 2D / 3D

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
Tapped	M5 ～ M18	Single Notched Knuckle Joints	0.8 ～ 1.5	-	Not Included

From: ₹ 709.27
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Tool Pile Knuckle Joint Used for CMK2-CMA2-CKV2-JSK2-JSM2-HCA

CKD

[Features]
· CKD, CMK2, CMA2, CKV2, JSK2, JSM2, HCA single clevis knuckle usage

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
Tapped	M8	Single Notched Knuckle Joints	1	Steel	Not Included

From: ₹ 1,322.78
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Single Knuckle Joint for CMK2, CMA2, CKV2, JSK2, JSM2 Brackets

CKD

Double notched knuckle for SCM. Pins and retaining rings are attached.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
Tapped	M12	Single Notched Knuckle Joints	1.5	Steel	Included

From: ₹ 1,331.71
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Double Knuckle Joint Pin for CMK2, CMA2, CKV2, JSK2, JSM2 Brackets

CKD

Double notched knuckle for SSD. Pin (including ring) is attached.

Mounting Method	Thread Size M(mm)	Type	Thread Pitch(mm)	Material	Accessories Included
-	-	Accessories	-	Steel	Included

From: ₹ 472.94
Days to Ship: 5 Day(s) or more

5 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	M14 ～ M26	Single Notched Knuckle Joints	1.5	Cast Iron	Included

From: ₹ 1,592.31
Days to Ship: 5 Day(s) or more

5 Day(s) or more


Brand
Product Series
CAD
From
Days to Ship
Mounting Method
Thread Size M(mm)
Type
Thread Pitch(mm)
Material
Accessories Included

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Brand	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD	CKD
Product Series	SSD Double Clevis Knuckle Joint	Double Notched Knuckle Joint for SCM	Fittings for CMK2/CMA2/CKV2/JSK2/JSM2, Double Knuckle Joint	Double Notched Knuckle Metal Joint for SCA2/JSC3/USC/HCA	Single Knuckle Joint for SCM Brackets	Bracket for SSD2, Single Knuckle Joint	Double knuckle Joint for CMK2/CMA2/CKV2/JSK2/JSM2/HCA Brackets	Joint, Brackets for CMK2/CMA2/CKV2 /JSK2/JSM2/SSD/HCA	Brackets for SCG, JSG Double Notched Knuckle Joint	Brackets for SSD2, Pin for Double Notched Knuckle Joint	Fittings for SSD/SCP※2, Single Knuckle Joint	SSD/USSD Fitting, Pin for Double Notched Knuckle Joint	SSD Fitting - Single Peaked Knuckle Joint	Tool Pile Knuckle Joint Used for CMK2-CMA2-CKV2-JSK2-JSM2-HCA	Single Knuckle Joint for CMK2, CMA2, CKV2, JSK2, JSM2 Brackets	Double Knuckle Joint Pin for CMK2, CMA2, CKV2, JSK2, JSM2 Brackets	SCA2, JSC3, USC, and HCA Metal Fixture, Single Crevice Knuckle Joint
CAD	2D / 3D												2D / 3D
From	₹ 848.36-	₹ 1,305.91-	₹ 1,650.85	₹ 2,337.02-	₹ 1,068.87-	₹ 1,806.31-	₹ 1,607.24	₹ 1,333.98-	₹ 2,647.44	₹ 418.24-	₹ 713.82	₹ 1,173.99	₹ 709.27-	₹ 1,322.78	₹ 1,331.71	₹ 472.94-	₹ 1,592.31-
Days to Ship	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	13 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more
Mounting Method	-	Tapped	-	-	Tapped	Tapped	-	Tapped	-	-	Tapped	-	Tapped	Tapped	Tapped	-	Tapped
Thread Size M(mm)	M5 ～ M22	M8 ～ M26	M12	M14 ～ M26	M8 ～ M26	M18 ～ M22	M8	M10	M14	-	M5	-	M5 ～ M18	M8	M12	-	M14 ～ M26
Type	Double Notched Knuckle Joints	Double Notched Knuckle Joints	Double Notched Knuckle Joints	Double Notched Knuckle Joints	Single Notched Knuckle Joints	Single Notched Knuckle Joints	Double Notched Knuckle Joints	Single Notched Knuckle Joints / Double Notched Knuckle Joints	Double Notched Knuckle Joints	Accessories	Single Notched Knuckle Joints	Accessories	Single Notched Knuckle Joints	Single Notched Knuckle Joints	Single Notched Knuckle Joints	Accessories	Single Notched Knuckle Joints
Thread Pitch(mm)	0.8 ～ 1.5	1.25 ～ 1.5	1.5	1.5	1.25 ～ 1.5	1.5	1	1.25	1.5	-	-	-	0.8 ～ 1.5	1	1.5	-	1.5
Material	-	Steel / Cast Iron	Steel	Cast Iron	Steel / Cast Iron	-	Steel	Steel	Cast Iron	-	Steel	-	-	Steel	Steel	Steel	Cast Iron
Accessories Included	Included / Not Included	Included	Included	Included	Not Included	Not Included	Included	Not Included	Included	Not Included	Not Included	Not Included	Not Included	Not Included	Included	Included	Included

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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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