Product Description
FM/UL Approved Fire Fighting Parts Two Grooved End Coupling
Product Description
Feature: ductile iron grooved coupling
1) Material:ductile iron ASTM
2) Reducing installation costs
This kind of coupling is designed for the pipe bearing moderate pressure. It allows controlled angle, linear and rotational movement at each joint and provides the added advantages of expansion, contraction and deflection. This is usful to accommodate uneven laying surfaces, and movement from thermal changes, setting, seismic effect or other causes.
| Serial number | D | D1 | L | d | Space |
| 1 | φ275 | φ219 | 185 | φ203 | 8″ |
| 2 | φ315 | φ270 | 176 | φ253 | 10″ |
| 3 | φ380 | φ320 | 178 | φ304 | 12″ |
| 4 | φ501 | φ441 | 186 | φ407 | 14″ |
Q 1::What are the advantages of our factory?
A1::Our factory is specialized in manufacturing hose coupling for 30 years,and our promise is to provide our world-class quality, on-time delivery and excellent after-sales services
Q2::How about our products?
A2::Our products are famous for the good quality and good watering effect,and also you can get the free samples to do a test of the quality and watering effect.
Q3::How about hose specifications?
A3::We can produce lay flat hose according to your request on Inner Diameter, working pressure,color and length per roll.
Before send you right quotation, please kindly confirm with us.
Q4::How about get the samples?
A4::You can get the samples for freejust pay for the sample freight.We will set it by DHL,FEDEX,UPS,TNT,EMS.
Q5::What is the minimum order quantity?(MOQ)
A5::Usually our MOQ is 3000 pieces, but for first cooperation we also accept little order, so any order is welcomed.
Q6::How about delivery ?
A6::We can send to you by sea/air/express according to you, usually deliver within 7-10 working days after receive deposit.
Comparison of Tooth Couplings with Gear and Jaw Couplings
Tooth couplings, gear couplings, and jaw couplings are all types of couplings used in mechanical systems. Here’s a comparison of tooth couplings with gear and jaw couplings:
Tooth Couplings:
- They have interlocking teeth that provide high torque transmission capacity.
- Offer excellent misalignment compensation due to the tooth design.
- Can handle angular, radial, and axial misalignment.
- Transmit torque with low backlash and high torsional stiffness.
Gear Couplings:
- Use gears to transmit torque, providing high torque capacity.
- Handle angular misalignment but are less effective with radial and axial misalignment.
- Have backlash due to the gear design, which can affect precision applications.
- Require periodic lubrication and maintenance.
Jaw Couplings:
- Use elastomeric elements (jaws) for torque transmission.
- Provide good torsional stiffness and misalignment compensation.
- Handle moderate angular and axial misalignment but limited radial misalignment.
- Are simple in design and easy to install.
Ultimately, the choice between these couplings depends on the specific requirements of the application. Tooth couplings are preferred for high torque, precision, and demanding applications that require precise torque transmission and efficient misalignment compensation. Gear couplings excel in high torque situations but may have more backlash. Jaw couplings are suitable for simpler applications with moderate misalignment and torque requirements.
Influence of Teeth Profiles and Spacing on Tooth Coupling Performance
The design of teeth profiles and spacing in tooth couplings significantly impacts their performance in various ways:
1. Torque Transmission: The shape of teeth profiles determines how efficiently torque is transmitted between the two shafts. Properly designed profiles maximize the surface contact area, enhancing torque transmission capabilities.
2. Load Distribution: The teeth profiles and spacing affect how loads are distributed across the coupling. Even distribution helps prevent localized stress concentrations and ensures uniform wear and longevity.
3. Misalignment Compensation: Tooth couplings with specific teeth profiles and spacing can better accommodate angular, radial, and axial misalignments between shafts. This reduces the risk of excessive wear and prolongs coupling life.
4. Backlash and Precision: The teeth spacing impacts the level of backlash, or play, between the teeth during rotation. Smaller teeth spacing reduces backlash, leading to more precise and accurate motion transmission.
5. Noise and Vibration: Well-designed teeth profiles and spacing can minimize noise and vibration during operation by promoting smoother engagement and disengagement of teeth.
6. Fatigue Resistance: Proper teeth profiles and spacing help distribute stresses evenly, enhancing the coupling’s fatigue resistance against cyclic loads.
7. Material Selection: Teeth profiles and spacing also influence the choice of materials for the coupling. Certain profiles may require specific materials to ensure durability and optimal performance.
8. Efficiency: Optimized teeth profiles and spacing reduce friction and wear, resulting in higher coupling efficiency and less energy loss.
9. Customization: The flexibility to customize teeth profiles and spacing allows engineers to tailor the coupling’s performance to the specific application requirements.
Overall, the design of teeth profiles and spacing is a critical factor in determining the overall efficiency, durability, precision, and performance of tooth couplings in various mechanical systems.
Proper Installation and Maintenance of Tooth Couplings
To ensure the proper function and longevity of a tooth coupling, follow these guidelines:
Installation:
- Ensure shafts are aligned within manufacturer specifications to prevent excessive loads on the coupling.
- Clean and inspect the coupling components before installation to avoid debris or contaminants.
- Use appropriate tools and methods to achieve proper fit between the coupling and the shafts.
- Follow the manufacturer’s instructions for tightening bolts or fasteners to the recommended torque.
Maintenance:
- Regularly inspect the coupling for signs of wear, such as tooth damage, corrosion, or misalignment.
- Check for any abnormal vibrations, noise, or overheating during operation, which could indicate coupling issues.
- Keep the coupling and surrounding area clean to prevent the accumulation of dirt or debris.
- Regularly lubricate the coupling as per the manufacturer’s recommendations to reduce friction and wear.
- Monitor the alignment of the connected equipment and address any misalignment promptly.
- Replace worn or damaged components promptly to avoid further damage and maintain coupling performance.
Following proper installation and maintenance practices will help maximize the efficiency and service life of the tooth coupling.
editor by CX 2023-08-11