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Sawmill Planer Head Lifting System: Hybrid Actuator Eliminated Leaky Hydraulics that Spoiled Finished Lumber Product

Challenge

A machine builder of lumber processing equipment had a mill customer who wanted to eliminate hydraulics from a chip head positioner due to hydraulic leaks that were spoiling the finished lumber product. They also wanted to improve the positioning accuracy of the chip head. An electro-mechanical actuator would not work due to the high forces and shock loading of this environment. They required a lifting actuator that was both precise and shock load tolerant.

Kyntronics Solution

  • “Total Solution” electric linear actuator. The system included the actuator, motor, cables, and control system in an enclosure, factory tested and tuned.
  • Linear actuator with force and position feedback using servo control.
  • Position feedback – monitors the machine to detect abnormal wear.

Customer Benefits

  • Replaced an HPU and hydraulic cylinder while providing adequate force to lift the heavy planer head system.
  • An actuator that is environmentally friendly, eliminating the leak risk that was spoiling their product and was able to handle shock loading.
  • Easy retrofit to an existing machine with minor modifications.

Application Requirements

Stroke: 12″
Speed: 4.2 in/sec
Force: 8,000 lbf.

Industries

  • Forestry / Lumber

Product Used:

  • Hybrid Linear Actuation System – Total Solution
Explore the Total Actuation Solution for Heavy Lifting & Positioning
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Timber Processing Chip Head Positioner SHA and Control Cabinet for Timber Processing Chip Head Positioner

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