China high quality Youngparts Hoffman System Inverted Pin to Rod Coupling for 5mm Pins to 8mm Rods or Posts External Fixation Orthopedic Surgical Instruments

Product Description

Youngparts Hoffman System Inverted Pin to Rod Coupling for 5mm pins to 8mm rods or posts External Fixation Orthopedic Surgical Instruments

High precision CNC parts strictly according to customers’ drawing, packing and quality demands
Tolerance: +/-0.005mm
100% inspection during production and final to guarantee quality
10 years experienced engineers and workers
Fast and timely delivery. Speedy & professional service
Offer with professional consultations in designing of new parts to save cost.
Quality assurance in accordance to ISO9001

Material Stainless Steel SUS201,SUS303,SUS304,SUS316,SUS416,SUS420,17-4PH,SUS440C
Steel Q235,C20,C45(K1045),1214,1215
Copper C36000(C26800),C37700(HPb59),C38500(HPb58),C27200(CuZn37),C28000(CuZn40/H62),C3604, C51000, C52100, C54400,CuSn8
Alumina AL2571,AL5754(Almg3),AL5083,AL6061,AL6063,AL5052,AL7075
Alloy Steel SCM435,10B21
Plastic PA6,PA66,PP,PC,POM,FR4,ABS,Acrylic
Machining Processes CNC 3-axis, 4-axis machining, CNC milling, CNC turning, CNC Lathe
High precision 5-Axis turning-milling combined machining, CNC milling and turning, drilling, grinding, stamping, tapping, bending, laser cutting, welding etc
Finish Heat treatment, powder coating, electroplating, spraying, painting, polishing, deburring, wire drawing/brushed, anodizing, chrome plating, nickel plating, tin plating, silver plating, gold plating, galvanizing, blackening etc.
Dimensions Customized
Tolerance ±0.005mm
Drawing Format PDF/JPEG/AI/PSD/CAD/Dwg/Step/LGS
MOQ Negotiable
QC Policy 100% inspection and random inspection before shipment, with QC passed label
Stardard Materials and surface treatment comply with RoHS/Reach Directives
Testing Equipments CMM, Projector, Pull Tester, Automatic Optical Inspector, Salt Spray Tester, Durometer, Tensile Machine, height gauge, micrometer, plug gauge, thread Gauges, digital caliper and etc. 
Application Automotives, Optical instrument, medical device, industrial machine, automobile, electric appliance, robot, computers, tele-communication, electronic device, digital communication, UAV, aerospace, bicycle, pneumatic tools, hydraulic and other industries,
Packaging PE bags or bubble bags, boxes, cartons, pallet, standard carton or plastic tray, sponge tray, cardboard tray or as per customers’ requirements
Trade Terms EXW, FOB, CIF, As per customers’ request
Payment Terms Paypal or Western Union for sample orders; Larger amount by T/T with 30% as deposit,70% before shipment
Delivery Time Within 15-20 working days after deposit or payment received
Shipping Ports FOB HangZhou, FOB HangZhou, FOB Hongkong

After-sales Service: Quality Guaranteed
Condition: New
Certification: CE, RoHS, GS, ISO9001
Samples:
US$ 60/Piece
1 Piece(Min.Order)

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Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

China high quality Youngparts Hoffman System Inverted Pin to Rod Coupling for 5mm Pins to 8mm Rods or Posts External Fixation Orthopedic Surgical Instruments

pin coupling

How Does a Pin Coupling Protect Connected Equipment from Shock Loads and Vibrations?

Pin couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, ensuring the smooth and reliable operation of the machinery. The unique features of pin couplings contribute to their ability to absorb and dampen shock loads and vibrations effectively:

  • Flexibility: Pin couplings possess a certain degree of flexibility due to the presence of movable pins. When subjected to sudden shock loads or vibrations, the pins can flex and move slightly, absorbing the impact and preventing it from transmitting directly to the connected equipment. This flexibility helps in reducing stress and minimizing the risk of damage to the machinery.
  • Torsional Compliance: The pin coupling’s design allows for a certain amount of torsional compliance. This means that when the connected shafts experience slight misalignments or angular displacements, the pin coupling can compensate for these variations without causing additional stress or vibration in the system. This feature ensures that the machinery remains in proper alignment even under dynamic conditions, reducing wear and tear.
  • Damping Characteristics: The presence of movable pins introduces damping characteristics to the coupling. When vibrations occur in the system, the pins can dampen these oscillations, preventing resonance and the amplification of vibrations. This damping effect improves the overall stability and performance of the machinery.
  • Strength and Resilience: High-quality pin couplings are constructed from durable materials with excellent fatigue resistance. This enables the coupling to withstand repeated shock loads and vibrations over an extended period without compromising its integrity. The strength and resilience of the pin coupling contribute to the protection of the connected equipment.

Overall, pin couplings are reliable and versatile components that can effectively protect connected equipment from shock loads and vibrations. Their flexibility, torsional compliance, damping characteristics, and robust construction make them suitable for various industrial applications where shock and vibration mitigation are essential for maintaining the health and longevity of machinery and equipment.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

A pin coupling is designed to handle different types of misalignment, including angular, parallel, and axial misalignment. The unique construction of pin couplings allows them to accommodate these misalignments without compromising the efficiency and performance of the connected equipment.

1. Angular Misalignment: Angular misalignment occurs when the axes of the driving and driven shafts are not parallel but intersect at an angle. Pin couplings can tolerate angular misalignment because of their flexible and floating pin design. The two coupling halves are connected by a series of pins, which can pivot and move within the pin holes. This flexibility allows the coupling to bend slightly, adjusting to the angle of misalignment between the shafts.

2. Parallel Misalignment: Parallel misalignment happens when the axes of the driving and driven shafts are parallel, but they are laterally displaced from each other. Pin couplings can handle parallel misalignment to some extent due to the floating nature of the pins. The pins can move laterally within the pin holes, allowing the coupling to adapt to the offset between the shafts.

3. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the axis of one shaft concerning the other. While pin couplings primarily focus on handling angular and parallel misalignment, they may offer limited axial misalignment capabilities. The floating pins provide a small degree of axial movement, but excessive axial misalignment is best avoided to prevent additional stresses on the coupling.

It is important to note that while pin couplings can accommodate some degree of misalignment, excessive misalignment should be avoided to prevent premature wear and potential failure of the coupling and connected equipment. Regular inspection and maintenance can help identify and address any misalignment issues, ensuring the optimal performance and longevity of the pin coupling in power transmission applications.

pin coupling

Limitations and Disadvantages of Using Pin Couplings

While pin couplings offer various advantages and are suitable for many applications, they also have some limitations and disadvantages to consider:

  • Misalignment Restrictions: Pin couplings can accommodate a certain degree of misalignment, but excessive misalignment can lead to increased wear and stress on the coupling components. They are not as effective at handling large angular or parallel misalignments compared to other flexible couplings like gear or elastomeric couplings.
  • Less Damping Capacity: Pin couplings have limited damping capacity, which means they may not effectively absorb and reduce vibrations in the system. In applications where vibration damping is critical, elastomeric or flexible couplings may be more suitable.
  • Noisy Operation: The rigid nature of pin couplings can lead to increased noise during operation, especially at high speeds or in applications with significant misalignment. This noise can be a concern in environments where noise levels need to be minimized.
  • Higher Maintenance: Compared to maintenance-free couplings like certain types of elastomeric couplings, pin couplings may require more frequent inspection and maintenance. The pins and other components may experience wear over time and need replacement.
  • Environmental Limitations: Some pin couplings may not be suitable for use in corrosive or high-temperature environments, depending on the materials used. Stainless steel or other corrosion-resistant materials can help mitigate this limitation.
  • Size and Weight: In certain applications, the size and weight of pin couplings may be larger and heavier compared to other types of couplings. This can be a consideration in applications where weight is a concern or space is limited.

Despite these limitations, pin couplings remain a popular choice for many applications where their advantages, such as simplicity, durability, and cost-effectiveness, outweigh their disadvantages. It is crucial to carefully assess the specific requirements of the application and consider factors like misalignment, vibration, maintenance needs, and environmental conditions when selecting a coupling type.

China high quality Youngparts Hoffman System Inverted Pin to Rod Coupling for 5mm Pins to 8mm Rods or Posts External Fixation Orthopedic Surgical Instruments  China high quality Youngparts Hoffman System Inverted Pin to Rod Coupling for 5mm Pins to 8mm Rods or Posts External Fixation Orthopedic Surgical Instruments
editor by CX 2023-11-27