Bumpers/Cushions Rodless Cylinders
Last Updated: April 1, 2025
Description
Bumpers or cushions in rodless cylinders are designed to slow the piston before it comes to a stop. This feature helps to reduce the energy and noise generated when the piston and rod come to a halt, thereby minimizing wear and tear on the cylinder components.
Working Principle
Bumpers or cushions work by trapping air at either or both ends of the main piston, allowing for a controlled deceleration as the piston approaches the end of the cylinder. This controlled deceleration is crucial for preventing damage to the load and the machine, as well as reducing excessive noise. In some cases, adjustable cushioned cylinders are used, which contain a pneumatic damping system that requires the load and velocity to remain consistent for optimal performance .
Applications
Bumpers or cushions in rodless cylinders are particularly useful in applications where heavy loads or long stroke cylinders are operated at high piston speeds. They are commonly employed in industrial settings where precise control over the deceleration of moving parts is necessary to prevent damage and ensure smooth operation .
Advantages over other Rodless Cylinders
Compared to non-cushioned cylinders, those with bumpers or cushions offer the advantage of reduced noise and energy dissipation throughout the cylinder. This feature helps to prevent material fatigue in the piston and end cover, thereby extending the lifespan of the cylinder components .
Limitations
One limitation of cushioned rodless cylinders is that they operate effectively only if the load and velocity remain constant throughout the service life. Any changes in these parameters can disrupt the system's tuning, requiring adjustments that necessitate a thorough understanding of dynamic effects and suitable measurement equipment .
Considerations
When considering bumpers or cushions for rodless cylinders, it is important to factor in initial costs, operating expenses, and maintenance requirements. While they can reduce wear and tear on cylinder components, the need for adjustments and potential for system tuning issues may increase maintenance costs. Additionally, the durability and accuracy of the cushioning system should be evaluated to ensure it meets the specific needs of the application .
from RS Components, Ltd.
SMC MY1B16G-200 Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 0.6299
- Stroke: 7.87
from RS Components, Ltd.
SMC MY1B20G-600 [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 0.7874
- Stroke: 23.62
from RS Components, Ltd.
SMC CY3B20TF-250 [See More]
- Features: Bumpers
- Operating Pressure: 102
from RS Components, Ltd.
SMC CY3B20TF-200 [See More]
- Features: Bumpers
- Operating Temperature: 14
- Operating Pressure: 102
from RS Components, Ltd.
Norgren A44040AABAA/1000 [See More]
- Features: Bumpers
- Operating Pressure: 116
- Stroke: 39.37
- Bore Size: 1.57
from RS Components, Ltd.
Parker Origa OSPP160000000150000000000 [See More]
- Features: Bumpers
- Operating Pressure: 116
- Stroke: 5.91
- Bore Size: 0.6299
from RS Components, Ltd.
SMC MY1B16-200 [See More]
- Features: Bumpers
- Operating Pressure: 174
from RS Components, Ltd.
SMC MY1B16G-700 [See More]
- Features: Bumpers
- Operating Pressure: 174
from RS Components, Ltd.
SMC CY3B15-600 [See More]
- Features: Bumpers
- Operating Pressure: 102
from RS Components, Ltd.
SMC MY1B25TFG-1000Z [See More]
- Features: Bumpers
- Operating Pressure: 116
from RS Components, Ltd.
SMC MY1B25TFG-700Z [See More]
- Features: Bumpers
- Operating Pressure: 116
from RS Components, Ltd.
SMC MY1B25TFG-500Z Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 0.9843
- Stroke: 19.69
from RS Components, Ltd.
SMC MY1B25TFG-800Z Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 0.9843
- Stroke: 31.5
from RS Components, Ltd.
SMC MY1B32TFG-600Z Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 1.26
- Stroke: 23.62
from RS Components, Ltd.
SMC MY1B25TFG-350Z Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 0.9843
- Stroke: 13.78
from RS Components, Ltd.
SMC MY1B25TFG-300Z Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 0.9843
- Stroke: 11.81
from RS Components, Ltd.
SMC MY1B25TFG-400Z Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 0.9843
- Stroke: 15.75
from RS Components, Ltd.
SMC MY1B25TFG-600Z Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 0.9843
- Stroke: 23.62
from RS Components, Ltd.
SMC MY1B40TFG-800Z Rodless Actuator [See More]
- Features: Bumpers; Shock Absorbers
- Bore Size: 1.57
- Stroke: 31.5
from ASCO
Anodized single barrel extrusions. Various bore sizes, 25, 32, 40, and 50mm. G or NPT ports available. Retained cushion adjustments. Kevlar reinforced thermosplastics strip seals. Up to 10bar (145 psig) working pressure. Ambient temperature range from -20 ºC to + 80 ºC ( –4 ºF... [See More]
- Features: Bumpers
- Rated Load/Force: 441
- Stroke: 0.0 to 234
- Operating Pressure: 145
from AGI - American Grippers Inc.
Magnetically coupled cylinder is designed to be leak free due to no mechanical connection between the piston and the body. Prelubricated for miles of maintenance-free travel, with easily accessible carriage lubrication port.304 stainless steel tubing and U-cup seals for lower dynamic... [See More]
- Features: Adjustable Stroke; Bumpers; Integral Sensor (optional feature); Non-Rotating; Protective Boot; Shock Absorbers (optional feature)
- Rated Load/Force: 60
- Stroke: 8 to 132
- Operating Pressure: 26 to 101
from Parker Hannifin / Automation / Pneumatic - Europe
For synchronized bi-parting movements. Accurate bi-parting movement through toothed belt synchronization. Optimum slow speed performance Increased action force. Anodized aluminium guide rail with prism-form slideway arrangement. Adjustable polymer slide units. Combined sealing system with polymer... [See More]
- Features: Bumpers
- Operating Pressure: 116
- Stroke: 0.0394 to 19.69
- Operating Temperature: 14 to 140
from Tolomatic
Will accommodate a wide variety of applications where space is limited [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating
- Operating Pressure: 0.0 to 100
- Stroke: 175
- Bore Size: 0.5000
from ASCO
The MCR Series cylinder consists of a piston and a carriage, which are coupled together using rare earth magnets. When the cylinder is pressurized from one end, the piston will travel the length of the tube, which in turn moves the carriage. Pressurizing the other side the carriage will travel back... [See More]
- Features: Adjustable Stroke (optional feature); Bumpers; Integral Sensor (optional feature); Magnetic Switch (optional feature); Shock Absorbers (optional feature)
- Rated Load/Force: 195
- Stroke: 0.0 to 100
- Operating Pressure: 100
from AGI - American Grippers Inc.
Magnetically coupled cylinder is designed to be leak free due to no mechanical connection between the piston and the body. Prelubricated for miles of maintenance-free travel, with easily accessible carriage lubrication port.304 stainless steel tubing and U-cup seals for lower dynamic... [See More]
- Features: Adjustable Stroke; Bumpers; Integral Sensor (optional feature); Non-Rotating; Protective Boot; Shock Absorbers (optional feature)
- Rated Load/Force: 24
- Stroke: 5 to 96
- Operating Pressure: 26 to 101
from Parker Hannifin / Automation / Pneumatic - Europe
Protection class IP64 protected linear drives. If linear drives come into contact with sugary or other sticky fluids during operation, there is a risk that parts of the drive, such as covers or guides, will jam, especially after long periods of downtime. In the best case scenario, the resulting... [See More]
- Features: Bumpers; Magnetic Switch (optional feature)
- Rated Load/Force: 26.98
- Stroke: 0.0394 to 47.24
- Operating Pressure: 116
from Tolomatic
Maximum load weight of 60lbs. custom-made to meet application requirements [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 283
- Bore Size: 1
from ASCO
The NR Series rodless offers an alternative solution to conventional cylinder applications. It's compact design cuts space requirement by 50% compared to rodded cylinders. Additionally, the extruded tube construction requires fewer supports than other cylinders. Dual air supply at one end eliminates... [See More]
- Features: Bumpers
- Operating Pressure: 145
- Stroke: 0.0 to 234
- Bore Size: 0.9843 to 1.97
from Parker Hannifin / Automation / Pneumatic - Europe
Achieves unparalleled stroke of 41 meters. The "Long-Stroke" cylinder LS uses a highly accurate connection technology that allows multiple cylinder barrels to be joined. Together with the legendary ORIGA steel inner band seal, Origa Division Europe has achieved an unparalleled stroke of 41 meters. [See More]
- Features: Bumpers; Magnetic Switch (optional feature)
- Rated Load/Force: 270
- Stroke: 0.0394 to 1614
- Operating Pressure: 116
from Tolomatic
For moderate to heavy applications, maximum of 120 lbs [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 281
- Bore Size: 1.25
from Tolomatic
For moderate to heavy applications, maximum of 180 lbs [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 278
- Bore Size: 1.5
from Tolomatic
Either short- or long-stroke applications, maximum load capacity of 300 lbs [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 158
- Bore Size: 2
from Tolomatic
Either short- or long-stroke applications, maximum load capacity of 400 lbs [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 145
- Bore Size: 2.5
from Tolomatic
4 porting options with cross over porting capabilities, max load of 591 lbs [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Linear Position Feedback (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 205
- Bore Size: 1
from Tolomatic
6 porting options w/ cross over porting capabilities, max load of 1454 lbs [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Linear Position Feedback (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 205
- Bore Size: 1.5
from Tolomatic
Max load capacity of 2008 lbs, able to deliver force of 314 lbs at 100 psi [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Linear Position Feedback (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 120
- Bore Size: 2
from Tolomatic
Accommodates thrust up to 30 lbs, customer-specified stroke lengths [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 211
- Bore Size: 0.6250
from Tolomatic
Accommodates thrust up to 78 lbs, customer-specified stoke lengths [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 210
- Bore Size: 1
from Tolomatic
Maximum thrust of up to 122 lbs, customer-specified stroke lengths [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 209
- Bore Size: 1.25
from Tolomatic
Max thrust 176 lbs, excellent for applications of moderate to heavy loads [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 206
- Bore Size: 1.5
from Tolomatic
Accommodates loads up to 270 lbs, with customer-specified stroke lengths [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 156
- Bore Size: 2
from Tolomatic
Space-saving profile, accommodates loads up to 370 lbs, "custom-made" [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 211
- Bore Size: 2.5
from Tolomatic
Double the velocity and stroke capacity of double-acting cylinders [See More]
- Features: Air/Oil Tandem; Bumpers; Holding Brake (optional feature); Home / Limit / Position Switches (optional feature); Non-Rotating
- Operating Pressure: 0.0 to 100
- Stroke: 126
- Bore Size: 1.5
from Tolomatic
Self-supporting slide system, increased torsional stability [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Magnetic Switch (optional feature); Multi-Position; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 72
- Bore Size: 0.5000
from Tolomatic
No mechanical piston connection, actuator block can be easily rotated [See More]
- Features: Bumpers; Home / Limit / Position Switches (optional feature); Intrinsically Safe; Magnetic Switch (optional feature); Non-Rotating; Protective Boot
- Operating Pressure: 0.0 to 100
- Stroke: 26
- Bore Size: 0.2500
from Tolomatic
Accommodates the most demanding application environments [See More]
- Features: Adjustable Stroke; Bumpers; Home / Limit / Position Switches (optional feature); Intrinsically Safe; Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: 30
- Bore Size: 0.3750
from Tolomatic
Large bearing surface contact area optimizes stress distribution [See More]
- Features: Adjustable Stroke; Bumpers; Magnetic Switch (optional feature); Non-Rotating; Shock Absorbers (optional feature)
- Operating Pressure: 0.0 to 100
- Stroke: ? to 206
- Bore Size: 1
from Tolomatic
Ideal for vertical lifting applications [See More]
- Features: Air/Oil Tandem; Bumpers; Home / Limit / Position Switches (optional feature); Non-Rotating
- Operating Pressure: 0.0 to 100
- Stroke: 20.4
- Bore Size: 0.7500