Hybrid Electro-Hydraulic Actuators for Clamping and Holding Applications

Kyntronics Hybrid Electro-Hydraulic Actuators combine the Best Features of Screw-Type and Hydraulic actuators while eliminating their shortcomings

Actuators are often used in Clamping and Holding applications to apply force to materials or components.

Some examples include:

  • Injection and blow molding
  • Tube and wire bending
  • Metal forming
  • Pressing of various materials
  • Assembly machines
  • Test equipment

Clamping actuators have unique requirements for successful operation including:

  • Accurate and programmable position control
  • Accurate and programmable applied force control
  • Fast extend and retract speeds to optimize cycle times
  • High force actuation
  • Programmable acceleration/deceleration profiles to avoid damaging material and tooling

Traditional hydraulic power units with hydraulic cylinders or screw-type electro-mechanical actuators are options for clamping applications, however, the Kyntronics Hybrid Electro-Hydraulic Linear Actuator (SHA) is an excellent electric servo actuator alternative that out-performs these other actuation technologies.

Kyntronics Hybrid Electro-Hydraulic Actuator (SHA)

The SHA is an all-electric, totally sealed, self- contained linear actuator consisting of a cylinder, pump, manifold and servo motor with optional drive/control system.

There are no hoses or leak points on the SHA vs. a traditional hydraulic cylinder / HPU system and the SHA contains minimal fluid (generally measured in ounces).

Unlike other actuators, the SHA is available in many flexible configurations to fit your machine

Despite being a robust high force solution, traditional hydraulic cylinders connected to Hydraulic Power Units (HPUs) have a number of shortcomings to consider when evaluating this actuation option:

  • Inevitable leaks causing safety and environmental issues
  • High energy consumption
  • High costs for hydraulic fluid replenishment and disposal
  • High maintenance requirements and costs

Hybrid Electro-Hydraulic Linear Actuators are Used in many Clamping and Holding applications