In-line Shafts Pneumatic Clutches
Last Updated: April 1, 2025
Description
In-line shafts pneumatic clutches are devices that transfer power from one part of a power transmission driveline to another using compressed air or other gases as an operating fluid. They engage to transfer power from an engine to downstream devices such as transmissions and drive wheels, and disengage to stop the power transfer while allowing the engine to continue running.
Working Principle
Pneumatic clutches operate by using compressed air to engage and disengage the clutch mechanism. When engaged, the compressed air facilitates the transfer of power by pressing clutch plates together, allowing torque to be transmitted through the driveline. This mechanism is particularly useful because it provides a high degree of control over torque transmission, which is more accurate compared to mechanical clutches. Additionally, pneumatic clutches are known for their superior thermal capacity, as they do not generate heat during extended periods of engagement, and can be designed to direct air across the clutch plates for cooling.
Applications
Pneumatic clutches are used in various applications, including conveyor drives and pump motor drives. They are also employed in systems requiring web tension control, automation, or robotics. In larger, heavier vehicles like buses, pneumatic clutches are often combined with pneumatic brakes to provide reduced braking distances.
Advantages over other Pneumatic Clutches
Pneumatic clutches offer several advantages over other types of clutches. They provide more accurate torque control compared to mechanical clutches and can transmit higher torques than similar-sized electric or mechanical clutches. Additionally, they are lightweight and require relatively low maintenance, making them an efficient choice for many applications.
Limitations
One limitation of pneumatic clutches is that they do not achieve the same torque levels as hydraulic clutches. This can be a consideration in applications where extremely high torque is required. Additionally, the need for a compressed air supply can be a constraint in some environments.
Considerations
When considering in-line shafts pneumatic clutches, it is important to evaluate initial costs, operating expenses, and maintenance requirements. Pneumatic clutches are generally simple and efficient, which can lead to lower operating expenses. However, the need for a compressed air system can add to initial setup costs. Durability and accuracy are strengths of pneumatic clutches, but regular maintenance is necessary to ensure optimal performance and longevity. Replacement and maintenance costs should also be factored into the overall cost of ownership.
from Ondrives.US Corporation, formerly Rino Mechanical
Shaft to shaft friction clutches [See More]
- Mounting: Shaft
- Engagement: Friction
- Torque: 1.7 to 25.0
- Bore Diameter: 0.2500 to 0.6299
from Mach III Clutch, Inc.
Operation. Friction type heavy duty clutch mechanism engages with air pressure, spring released when air is exhausted. Torque is linear in response to air pressure applied. Mounting. Set screws and customer supplied key connect the heavy duty clutch mechanism to one shaft and the coupling hub to a... [See More]
- Mounting: Shaft
- Pneumatic Pressure: 80
- Torque: 0.0 to 276.7
- Spring Assistance: Spring Return/Disengage
from Montalvo Corporation
Montalvo's C-Series clutches use the same compact design as the C-Series brakes. Applications include narrow web and light to medium-duty. They are available in several versions. Modular design and interchangeable parts make C-Series clutches easy to set up and maintain. [See More]
- Mounting: Shaft
- Rotary Speed: 5500 to 7000
- Torque: 66.0 to 100.0
- Pneumatic Pressure: 75
from WPT Power Corporation
The WPT Low Inertia (LI) High Torque Clutch is a pneumatic design for high energy, high cycle applications requiring end-shaft mounting. The High Torque version of the LI Clutch provides maximum torque in limited space. Our LI High Torque Clutch is time tested and used extensively throughout the... [See More]
- Mounting: Shaft; Shaft - VPulley (optional feature)
- Rotary Speed: 2140
- Torque: 2166.7
- Pneumatic Pressure: 100
from Mach III Clutch, Inc.
Operation. Friction clutch coupling engages with air pressure, spring released when air is exhausted. Torque is linear in response to air pressure applied. Mounting. Set screws and customer supplied key connect the clutch mechanism to one shaft and the coupling hub to a second, fully supported... [See More]
- Mounting: Shaft
- Pneumatic Pressure: 80
- Torque: 0.0 to 46.2
- Spring Assistance: Spring Return/Disengage
from WPT Power Corporation
The WPT Power Grip Clutch is designed to accommodate in-line and shaft-to-shaft power transmission applications. With available sizes ranging from 8 ” to 60 ”, WPT ’s air-actuated dry-clutch is recognized as the industry standard. Common applications include but are not limited to;... [See More]
- Mounting: Shaft; Shaft - VPulley (optional feature)
- Rotary Speed: 2100
- Torque: 6535.0
- Pneumatic Pressure: 100
from Mach III Clutch, Inc.
Operation. Friction type heavy duty clutch is engaged with spring pressure. A fixed amount of torque is transmitted. To release clutch, air pressure is applied to overcome the spring pressure. Mounting. End of Shaft. Heavy duty clutch slides on shaft and is fixed with set screws and a customer... [See More]
- Mounting: Shaft
- Rotary Speed: 1750
- Torque: 0.0 to 241.8
- Pneumatic Pressure: 90
from WPT Power Corporation
The WPT Power Grip PO Clutch is designed to accommodate in-line power transmission applications. With available sizes ranging from 14 ” to 36 ”, WPT ’s air-actuated dry-clutch is recognized as the industry standard. Common applications include but are not limited to; Mining, Oil... [See More]
- Mounting: Shaft
- Rotary Speed: 2100
- Torque: 312.5
- Pneumatic Pressure: 130
from Mach III Clutch, Inc.
Operation. Industrial friction clutch is engaged with spring pressure. A fixed amount of torque is transmitted. To release clutch, air pressure is applied to overcome the spring pressure. Mounting. End of Shaft. Spring Engaged friction clutch slides on shaft and is fixed with set screws and a... [See More]
- Mounting: Shaft
- Rotary Speed: 1750
- Torque: 0.0 to 42.2
- Pneumatic Pressure: 90
from Mach III Clutch, Inc.
Operation. Friction clutch coupling engages with air pressure, spring released when air is exhausted. Torque is linear in response to air pressure applied. Mounting. Set screws and customer supplied key connect the clutch mechanism to one shaft and the coupling hub to a second, fully supported... [See More]
- Mounting: Shaft
- Pneumatic Pressure: 80
- Torque: 0.0 to 46.2
- Spring Assistance: Spring Return/Disengage
from Mach III Clutch, Inc.
Operation. Friction type heavy duty clutch engages with air pressure, spring released when air is exhausted. Torque is linear in response to air pressure applied. Mounting. Set screws and customer supplied key connect the heavy duty clutch mechanism to one shaft and the coupling hub to a fully... [See More]
- Mounting: Shaft
- Pneumatic Pressure: 80
- Torque: 0.0 to 276.7
- Spring Assistance: Spring Return/Disengage