Norgren RM/960/180 Tie Rod Cylinder - Adjustable Cushioning
Part Number: RM/960/180
Quick Summary
The RM/960/180 from Norgren is a tie rod cylinder that delivers reliable linear actuation for demanding industrial automation. Engineers often struggle with mounting flexibility, stroke control, and consistent performance across changing load and pressure conditions. Built on a long-established Martonair design, it features an anodised aluminium barrel and a stainless steel piston rod for rugged durability, plus adjustable cushioning to tailor impact at the end of stroke. With a 6 inch bore, 180 mm stroke, 2–10 bar supply and a G1/2 port, this cylinder balances force, precision, and installation versatility to help maximise uptime and reduce maintenance costs in high-cycle applications.
Product Information
Extended Description
RM/960/180 Norgren: Large range of bore sizes – ideal for a wide variety of industrial applications | Long established design – proven ruggedness and reliability | Extensive choice of mountings | Adjustable cushioning
Medium
Compressed air
Operating Temperature
-20 ... 80 °C, -4 ... 176 °F
Operating Pressure
2 ... 10 bar, 29 ... 145 psi
Port Size
G1/2
Cylinder diameter
6"
Stroke Length
180 mm
Operation
Double acting
Cushioning
Adjustable cushioning
Magnetic/Non-magnetic
Non-magnetic
Theoretical Force
10887 N
Materials - Barrel
Anodised aluminium
Materials - Piston Rod
Stainless steel (martensitic)
Range
RM/900
Series
Martonair
Brand
IMI Norgren
QM/960/00
Service kits for RM/900, 6"
Feature → Business Impact → Application: 6 inch bore and 180 mm stroke deliver high theoretical force (10887 N) for heavy-duty actuation, enabling reliable start-stop motion in conveyor lines and presses; this translates to improved cycle times and reduced risk of product jam. Application: material handling and routine stacking operations in automated lines. Adjustable cushioning delivers end-of-stroke damping to minimize shock, extend rod life, and lower vibration; resulting in smoother operation and longer service intervals. Application: high-speed packaging and pick-and-place systems where precision and quiet performance matter. Non-magnetic construction reduces interference with precision sensors and metrology equipment in automated cells; practical in electronics assembly and inspection lines. Application: magnetically sensitive environments. Anodised aluminium barrel and martensitic stainless steel rod provide corrosion resistance and durability in harsh production environments; this supports longer life in wash-down zones and outdoor installations. Application: food, beverage, and automotive assembly lines. G1/2 port size and extensive mounting options simplify integration with existing air plumbing and machine frames; this reduces installation time and changeover costs. Application: retrofits and new line builds. Operating range from -20 to 80 C and 2 to 10 bar ensures compatibility with varied plant climates and compressed air quality; engineers can select cushions and seals for optimal performance. Application: multi-zone facilities and outdoor installations.
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FAQs
The RM/960/180 supports extensive mounting options to fit a wide range of frames and automation layouts. When selecting mounts, consider stroke, load, and end-of-stroke cushioning to avoid interference with adjacent components. The G1/2 port size simplifies hose routing and helps maintain consistent air supply across mounting configurations.
Theoretical force is 10887 N at the rated conditions. In practice, force depends on the supply pressure within 2–10 bar and the air quality. For dynamic cycles, account for friction, cushioning setting, and seal condition. Verify performance against your application’s moment loads and acceleration profiles using the datasheet guidance.
Yes, the cylinder is specified for -20 to 80 C (-4 to 176 F). For extreme temperatures, select compatible seals and cushioning settings, ensure adequate lubrication compatibility with the air supply, and confirm that mounting hardware remains within tolerance during cycling to maintain precision and life expectancy.
Adjustable cushioning tunes the end-of-stroke impact, reducing shock, wear, and vibration. This improves repeatability, minimizes product damage, and lowers maintenance costs over time. In high-speed lines, cushioning helps maintain consistent cycle times and extends component life, especially on heavy loads.
Follow standard pneumatic cylinder maintenance: inspect seals and the piston rod for wear, verify mounting integrity, and replace service kits QM/960/00 when needed. Keep ports clean, confirm cushion settings after installation and cycling, and refer to the datasheet for recommended service intervals and compatibility notes.