Product Description
air compressor parts rubber hydraulic shaft flexible coupling
1.coupling size :20R,30R,40R,50R,60R,70R
2. coupling color : green
3. pack: Standard coupling packing
4.warranty: Half a Year
5. other name:shaft coupling,flexible coupling
Dear Sir,
It gives us great pleasure to introduce ZAKF oil injected rotary screw air Compressor. Our company Honkong CHINAMFG Industry Limited is a large enterprises which is professional in air compressor and air compressor parts research, development and research. ZAKF is 1 of a famous compressor brand belong to Honkong CHINAMFG Industry Limited , ZAKF screw air compressor shipped to CHINAMFG customer in Malaysia,Vietnam, Singapore, Indonesia, Thailand, India, Bangladesh,Sri Lanka, Mauritius, Australia, Saudi Arabia, Israel, Russia, Croatia, Brazil, Peru, USA, Mexico, Canada, Dominican Republic…. widely used in diverse industry.
CHINAMFG compressor design, manufacturing at a high starting point, advanced technology, superior level of systemization, its core competencies to guide the development trend of industry, stable and reliable. CHINAMFG import advanced technology from Europe, through constant practice and improvement, design a new generation of ZAKF air compressor.
Improved quality assurance manual, advanced production process, control management program files comprehensive, standardized, ensuring high quality brand products “ZAKF”, stable and durable. High quality, intimate service get the praise from users all over the world.
Our Product include:
OEM screw air compressor / Air dryer
Oil free spare parts / Shaft seal / Sleeve / Sensor
Screw air compressor / Screw air compressor airend / Used screw air compressor
Screw air compressor solenoid valve / Thermostat valve / Air intake valve / Minimum pressure valve
Screw air compressor blow off valve / Drain valve / Wheel gear / Oil level Indicator / Master controller
Screw air compressor service kits / Air filter / Oil filter / Oil separator / Filter element / Lubricating oil
Temperature Sensor P.N
1 0571 7107 1 0571 7144 1 0571 7164 1 0571 7101 1 0571 7102 1 0571 7103 1 0571 7105 1 0571 7
1 0571 7141 1 0571 7140 1 0571 7116 1 0571 7155 1 0571 7151 1089958/44 23748593
Gear Set P.N
1622571/26/28 //1622311026
/28/30/34/36/42/44/46
/50/54/56/60/64/66 1614933/16149308/11/13/23/25/27/31/33/37/ 16149335/24
/28 1613965/818/81/83 39875539 39877618 39929435
39853791 39853809 42852483 39883186 39921713 39853775 39853775 39853783 39875539
Cooler P.N
161383 0571 162175712 16217 54365945 12571739 10571561 16223931 8829 16149543-658 54753918
16138366 16136673 16149584 16139509
Air Filter P.N
/16215743/16137407/161775711/1617704203/1617704201/1617704303/1617704301
/161775714/29/42855429/42888214/39588470/39588777/99273906/3975571
Oil Separator P.N
2901194402/ 162257101/16139014/16132433/16149054 air compressor oil roto-Inject duty fluid 20Liter
air compressor oil roto-Xtend duty fluid 20Liter
air compressor oil 20Liter
87250571-669 syllube by compressor fluid 20Liter
55173320 screw oil air compressor oil 2
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Understanding the Torque and Misalignment Capabilities of Shaft Couplings
Shaft couplings play a critical role in transmitting torque and accommodating misalignment between rotating shafts in mechanical power transmission systems. Understanding their torque and misalignment capabilities is essential for selecting the right coupling for a specific application. Here’s an overview:
Torque Transmission:
The torque capacity of a shaft coupling refers to its ability to transmit rotational force from one shaft to another. It is typically specified in torque units, such as Nm (Newton-meters) or lb-ft (pound-feet). The coupling’s torque capacity depends on its design, size, and material.
When selecting a coupling, it’s crucial to ensure that its torque capacity meets or exceeds the torque requirements of the application. Overloading a coupling beyond its torque capacity can lead to premature failure or damage to the coupling and connected equipment.
Misalignment Compensation:
Shaft misalignment can occur due to various factors, including thermal expansion, manufacturing tolerances, or foundation settling. Misalignment puts additional stress on the coupling and connected components, potentially leading to increased wear and reduced efficiency.
Shaft couplings are designed to compensate for different types of misalignment:
- Angular Misalignment: Occurs when the shafts are not parallel and have an angle between them.
- Parallel Misalignment: Occurs when the shafts are not collinear, resulting in axial displacement.
- Radial Misalignment: Occurs when the shafts have lateral displacement but remain parallel.
The coupling’s misalignment capabilities are specified in terms of angular and axial misalignment values, usually in degrees or millimeters. Different coupling designs can accommodate varying degrees of misalignment, and the choice depends on the specific application and operating conditions.
Flexible Couplings:
Flexible couplings, such as elastomeric or jaw couplings, offer good misalignment compensation. They can handle a combination of angular, parallel, and axial misalignments. However, their torque capacity may be limited compared to rigid couplings.
Rigid Couplings:
Rigid couplings, such as clamp or sleeve couplings, have high torque transmission capabilities but offer minimal misalignment compensation. They are best suited for applications where shafts are well-aligned and precise torque transmission is critical.
Torsional Stiffness:
Another factor to consider is the coupling’s torsional stiffness, which determines how much torsional deflection or twist occurs under load. Some applications, like precision systems, may require couplings with high torsional stiffness to maintain accurate positioning and avoid torsional backlash.
By understanding the torque and misalignment capabilities of shaft couplings, engineers can make informed decisions when selecting a coupling to ensure efficient power transmission and reliable performance in their mechanical systems.
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Temperature and Speed Limits for Different Shaft Coupling Types
The temperature and speed limits of shaft couplings vary depending on the materials and design of the coupling. Manufacturers provide specific guidelines and ratings for each coupling type. Below are general temperature and speed limits for some common shaft coupling types:
1. Elastomeric Couplings:
Elastomeric couplings, such as jaw couplings and tire couplings, typically have temperature limits ranging from -40°C to 100°C (-40°F to 212°F). The speed limits for elastomeric couplings are generally up to 5,000 RPM, but some designs may allow higher speeds.
2. Metallic Couplings:
Metallic couplings, like gear couplings and disc couplings, can handle a wider temperature range, typically from -50°C to 200°C (-58°F to 392°F). The speed limits for metallic couplings vary based on the size and design, but they can range from 3,000 RPM to over 10,000 RPM.
3. Grid Couplings:
Grid couplings have temperature limits similar to metallic couplings, ranging from -50°C to 200°C (-58°F to 392°F). The speed limits for grid couplings are typically in the range of 3,000 to 5,000 RPM.
4. Oldham Couplings:
Oldham couplings usually have temperature limits from -30°C to 100°C (-22°F to 212°F) and speed limits ranging from 1,000 to 5,000 RPM.
5. Beam Couplings:
Beam couplings generally have temperature limits from -40°C to 120°C (-40°F to 248°F) and speed limits between 5,000 to 10,000 RPM.
6. Fluid Couplings:
Fluid couplings are suitable for a wide range of temperatures, often from -50°C to 300°C (-58°F to 572°F). The speed limits depend on the size and design of the fluid coupling but can extend to several thousand RPM.
It’s important to note that these are general guidelines, and the actual temperature and speed limits may vary based on the specific coupling manufacturer, material quality, and application requirements. Always refer to the manufacturer’s documentation and technical specifications for accurate and up-to-date temperature and speed limits for a particular shaft coupling model.
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Can a Damaged Shaft Coupling Lead to Equipment Failure and Downtime?
Yes, a damaged shaft coupling can lead to equipment failure and downtime in mechanical power transmission systems. Shaft couplings play a critical role in connecting rotating shafts and transmitting power between them. When a coupling becomes damaged or fails to function properly, several negative consequences can arise:
1. Misalignment Issues:
A damaged coupling may no longer be able to compensate for misalignments between the connected shafts. Misalignment can cause excessive vibration, increased wear, and premature failure of bearings and other connected components. Over time, these issues can lead to equipment breakdown and unplanned downtime.
2. Vibration and Shock Loads:
Without the damping properties of a functional coupling, vibrations and shock loads from the driven equipment can transmit directly to the driving shaft and other parts of the system. Excessive vibrations can lead to fatigue failure, cracking, and damage to the equipment, resulting in reduced operational efficiency and increased downtime.
3. Overloading and Torque Transmission:
A damaged coupling may not effectively transmit the required torque between the driving and driven shafts. In applications where the coupling is a safety device (e.g., shear pin couplings), failure to disengage during overloading situations can lead to equipment overload and damage.
4. Increased Wear and Tear:
A damaged coupling can lead to increased wear on other parts of the system. Components such as bearings, seals, and gears may experience higher stress and wear, reducing their lifespan and increasing the likelihood of breakdowns.
5. Reduced System Reliability:
A functional shaft coupling contributes to the overall reliability of the mechanical system. A damaged coupling compromises this reliability, making the system more prone to failures and unplanned maintenance.
6. Downtime and Production Loss:
When a shaft coupling fails, it often results in unscheduled downtime for repairs or replacement. Downtime can be costly for industries that rely on continuous production processes and can lead to production losses and missed delivery deadlines.
7. Safety Hazards:
In certain applications, such as heavy machinery or industrial equipment, a damaged coupling can create safety hazards for workers and surrounding equipment. Sudden failures or uncontrolled movements may pose risks to personnel and property.
Regular inspection, maintenance, and prompt replacement of damaged shaft couplings are essential to prevent equipment failure, minimize downtime, and ensure safe and efficient operation of mechanical systems. It is crucial to address any signs of coupling wear or damage immediately to avoid potential catastrophic failures and costly disruptions to operations.
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editor by CX 2024-05-13