Vocabulary of Actuators
Actuator
The main actuator components are: 1 Motor, 2 Gear, and 3 Spindle with nut. The load capacity of the actuators ranges up to 6500 N.
Newton (N)
A Newton is the amount of force required to accelerate a mass of one kilogram by one meter per second squared. For example, 1N is the force of Earth’s gravity on an apple with a mass of about 102g. 10 N ≈ 1 kg
RAL
RAL is a colour matching system developed in 1927. RAL started off with only 40 colours, but has since expanded to cover over 1,900. The RAL colour system is mainly used to describe paint and powder colours.
Safety Nut
In some applications with high requirements to personal safety, it is a standard that the actuators are equipped with a safety nut. Its function is to support the piston rod, if the thread of the main nut is worn or destroyed, e.g. to prevent the actuator from collapsing. The safety nut is built in the main nut in a way so that it will be activated in the moment when the thread of the main nut becomes defected. When the safety nut is activated the actuator can run down/in normally, but subsequently it cannot push up/out. In this way it is indicated that the actuator is defect and needs repair.
Slide Nut
The slide nut allows the motor, gear and spindle to keep running when the actuator has reached one of the end positions. It means that there internally in the slide nut construction allows a slide between the two cone parts in the end positions. The actuator works completely normal on all positions between the outer positions, provided that the actuator has a well-defined and sufficient high load working in one direction. The advantage of the slide nut is that it in some contexts allows avoiding the electronic over-current device (e.g. for example a C3 control box or a overcurrent detecting system.
Stainless Steel
Concens actuators are available in stainless steel (material quality AISI 304 or 316) for special environments such agricultural machines, food industry and snow moving material, offshore, maritime etc.
