Product Description

CHINAMFG Jaw couplings are designed as 3 piece comination,  including 2 hubs and 1 elastomer made of polyurethane.  The cuved jaw fits CHINAMFG the spider, which minimizes shock to the motor and other sensitive equipment.  
 
Widely used in various mechanical and hydraulic fields 
High precision in transmission and high rotating speed.
Suitable for wide range of environment, with the higest temperature 280 degree
Good elasticity, hight strength, corrosion resistant, wearable
No need to lubricate,quiet operation 
Quick and easy mounting and disassembly

Item No. Max. Rotation Speed r/min 92 SH A 98 SH A 95 SH A for Φ65 and above 64 SH D
Torque N.m +30° CP Damping Power Tkmax Torsion Angle Torque N.m +30° CP Damping Power Tkmax Torsion Angle Torque N.m +30° CP Damping Power Tkmax Torsion Angle
Max.T kmax Tkw Alternation Max.T kmax Tkw Alternation Max.T kmax Tkw Alternation
UTJC-14 19000 15 2.0 10° 25 3.3 10° 32 4.2 9.0
UTJC-19 19000 20 2.6 4.8 34 4.4 4.8 42 5.5 7.2 3.6°
UTJC-24 14000 70 9.1 6.6 120 16 6.6 150 19.2 9.9 3.6°
UTJC-28 11800 190 25 8.4 320 42 8.4 400 52 12.6 3.6°
UTJC-38 9500 380 49 10.2 650 85 10.2 810 105 15.3 3.6°
UTJC-42 8000 530 69 12 900 117 12 1120 146 18.0 3.6°
UTJC-48 7100 620 81 13.8 1050 137 13.8 1310 170 20.7 3.6°
UTJC-55 6300 820 107 15.6 1370 178 15.6 1650 215 23.4 3.6°
UTJC-65 5600 1250 163 18 1880 244 18 2350 306 27 3.6°
UTJC-75 4750 2560 333 21.6 3840 499 21.6 4800 624 32.4 3.6°
UTJC-90 3750 4800 624 30 7200 936 30 9000 1170 45 3.6°
UTJC-100 3350 6600 858 36 9900 1287 36 12370 1608 54 3.6°
UTJC-110 3000 9600 1248 42 14400 1872 42 18000 2340 63 3.6°
UTJC-125 2650 13300 1729 48 20000 2600 48 25000 3250 72 3.6°
UTJC-140 2360 17100 2223 54.6 25600 3328 54.6 32000 4160 81.9 3.6°

Ubet Jaw coupling grooving type is backlash free, using screws after slotting to eliminate the clearance. This grooving type coupling is suitable for power transmission on main shaft, elevating platform and machine tool.
 
 
Material: Alluminum for size below 42
               Steel for size over 42
Finish: Natural or Anodizing
Size Range: 19 to 75
Finished bore: according to ISO fit H7
Keyway width: according to DIN 6885/1
The Tolerance of keyway is Js9

jaw coupling

Use of Jaw Couplings in Corrosive or Harsh Environments

Jaw couplings can be used in certain corrosive or harsh environments, but the choice of materials and design should be carefully considered to ensure the coupling’s performance and longevity. Here’s how jaw couplings can be utilized in such environments:

  • Material Selection: For corrosive environments, it is essential to choose materials that can withstand the specific chemicals or substances present. Stainless steel or other corrosion-resistant alloys are commonly used in jaw couplings to ensure resistance to rust and corrosion. These materials protect the coupling from degradation caused by exposure to corrosive elements.
  • Sealing Mechanism: In harsh environments where contaminants or particles may be present, proper sealing becomes crucial. Many jaw couplings have various sealing options to prevent foreign materials from entering the coupling and affecting its performance. Seals can help keep the coupling’s interior clean and protect it from damage due to harsh substances.
  • Environmental Protection: In applications where the coupling is exposed to harsh elements, it might be beneficial to utilize protective covers or guards. These can shield the coupling from direct contact with abrasive materials or chemicals, further extending its lifespan in challenging conditions.
  • Regular Maintenance: In corrosive or harsh environments, proper and regular maintenance is crucial. Cleaning and inspecting the coupling periodically can help identify any signs of wear or damage and allow for timely replacements or repairs, minimizing the risk of failure in service.

While jaw couplings can be used in certain corrosive or harsh environments, it is essential to assess the specific conditions and requirements of the application carefully. In some instances, alternative coupling types or additional protective measures may be more suitable to ensure optimal performance and longevity. Consulting with coupling manufacturers or engineering experts can provide valuable insights in selecting the most appropriate coupling for a given environment.

jaw coupling

Can jaw couplings be used in applications with high shock and impact loads?

Yes, jaw couplings can be used in applications with high shock and impact loads, but their suitability depends on the specific design and construction of the coupling as well as the magnitude and frequency of the shock and impact loads. Jaw couplings are known for their ability to handle certain levels of shock and vibration due to the presence of the elastomer spider, which acts as a damping element to absorb and dissipate vibrations. However, there are some important considerations to take into account when using jaw couplings in high shock and impact load applications:

  1. Coupling Material: The choice of coupling material is crucial in applications with high shock and impact loads. Couplings made from robust materials, such as steel or alloy, provide better resistance to deformation and can handle higher impact forces compared to couplings made from less sturdy materials.
  2. Elastomer Spider: The elastomer spider is the central element of the jaw coupling and is responsible for absorbing shocks and vibrations. It is essential to select an elastomer spider with the appropriate hardness and resilience for the specific application. Harder elastomers can withstand higher loads but may transmit more vibration, while softer elastomers offer better shock absorption but have lower torque capacity. Choosing the right elastomer hardness is a trade-off between shock absorption and torque transmission requirements.
  3. Operating Conditions: Consider the operating conditions, such as the frequency and magnitude of shock and impact loads, when selecting a jaw coupling. For applications with intermittent or occasional shock loads, standard jaw couplings with moderate shock absorption capabilities may suffice. However, for continuous or severe shock loads, specialized high-torque jaw couplings with enhanced shock absorption properties might be more suitable.
  4. Regular Maintenance: In high shock and impact load applications, it is crucial to perform regular maintenance and inspections to identify any signs of wear, fatigue, or damage to the coupling components. Regular maintenance ensures that the coupling remains in good working condition and minimizes the risk of unexpected failures due to excessive loading.
  5. Consider Alternative Couplings: While jaw couplings can handle certain levels of shock and impact loads, some applications with exceptionally high loads may require more specialized couplings, such as grid couplings, gear couplings, or disc couplings. These couplings are designed explicitly for heavy-duty applications with high shock and impact loads and can offer superior performance and reliability under such conditions.

In conclusion, jaw couplings can be used in applications with high shock and impact loads, but the specific coupling design, material, elastomer hardness, and operating conditions must be carefully considered. Proper selection, installation, and maintenance of the coupling are essential to ensure reliable performance and longevity in challenging operating environments with significant shock and impact loads.

jaw coupling

Use of Jaw Couplings in Various Industries for Power Transmission

Jaw couplings are widely used in different industries for power transmission due to their many advantages, including their ability to handle misalignment, shock loads, and vibrations. Some of the industries that commonly use jaw couplings include:

  • Manufacturing: Jaw couplings are extensively used in manufacturing machinery such as conveyors, mixers, and packaging equipment.
  • Automotive: In the automotive industry, jaw couplings are employed in various applications, including engine-driven accessories and conveyor systems in assembly lines.
  • Agriculture: Farming equipment, such as tractors and harvesting machines, often use jaw couplings to transmit power from the engine to different attachments.
  • Material Handling: Jaw couplings are found in material handling equipment like forklifts, cranes, and hoists.
  • Water and Wastewater: Pumps and compressors used in water and wastewater treatment plants frequently utilize jaw couplings for power transmission.
  • Food and Beverage: Jaw couplings are used in food processing machinery where cleanliness, reliability, and flexibility are essential.
  • Textile: Textile manufacturing equipment, such as looms and spinning machines, often use jaw couplings to transmit power from motors to various components.
  • Packaging: Packaging machines and equipment benefit from jaw couplings’ ability to absorb shocks and vibrations.
  • Printing: Printing presses and related machinery commonly use jaw couplings for their precise power transmission.

These are just a few examples, but jaw couplings are found in numerous other industries where power transmission and motion control are critical aspects of the equipment’s operation. Their ease of installation, maintenance, and high-performance capabilities make them a popular choice for a wide range of applications.

China OEM Stainless Steel Curved Jaw Coupling with PU Elastomer  China OEM Stainless Steel Curved Jaw Coupling with PU Elastomer
editor by CX 2023-09-27