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LodeArm® II

Pneumatic Lift Assist

Positech’s pneumatic LodeArm® II is a lightweight manipulator arm that is designed to service multiple machining centers and applications where reach-in is necessary. With lift capacity up to 350 pounds, it is specifically designed to reduce the physical stress of manipulation which require the lifting, transfering, and positioning of parts. The LodeArmII provides a high capacity lift system in a compact package, as well as rigid support and reach-in capability. Ergonomically designed up/down controls reduce the potential for thumb and wrist disorders.

The LodeArmII is mounted on an overhead trolley, which integrates with a variety of overhead rail systems. Because of its lightweight, it can be pushed easily along the rails.

LodeArm II LodeArm II
LodeArm II LodeArm II
LodeArm II LodeArm II
Cut Sheet Tech Specs Max. Lift Capacity lbs.* Reach in. Lift range in. 2D Drawings 3D Model Installation Manual
LAII3030L.dwg LAII3030L.sldprt LAII3030L LAII3030L
LAII4500L.dwg LAII4500L.sldprt LAII4500L LAII3030L

Requires 90 psi (6.21 bar) clean, dry air to operate at rated capacity

*Includes payload and end-effector; increasing arm length reduces capacity. Lift capacity dependent upon arm length.

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  • 5:1 design factor minimum on all structural components
  • Pilot operated lock valve on lift cylinder prevents downward arm movement and if supply pressure is interrupted
  • Optional Gripper Safety Circuitry available, prevents accidental release of unsupported payloads
  • Lost Load Cylinder is a separately sealed hydraulic device that protects the operator from any sudden, uncontrolled upward motion of the manipulator arms
  • Parallel linkage arms allow end-effector to remain parallel to the floor
  • Minimum Lift Cylinder Circuit prevents rapid uncontrolled downward movement
  • Does not require an air lubricator
  • Complies with CE and other National Standards
  • Optional adjustable rotation stops


  • Lightweight and easy to position
  • Standard Push Button Metering Valve Control for finite positioning
  • Optional balance control allows an operator to achieve critical load positioning by hand
  • 360° continuous main post rotation
  • End-of-arm rotating axis has up to 5,000 inch pounds of moment loading capacity
  • Pneumatically operated, requires clean dry input pressure
  • Precision bearings and thrust washers at rotation axes for smooth motion and long life
  • Standard pneumatic caliper main post brake
  • Standard trolley mounts for enclosed track rail systems


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