Locking Units  Manufacturers, Traders, Suppliers

Clamping unit Ratio-Clamp® - holds the position < for you;/strong>
The patented clamping unit Ratio-Clamp®  fixes the rod from standstill and absolutely tight. It clamps immediately, for an unlimited time and without energy supply.
Rely 100% on the Ratio-Clamp®   whether as a safety element or for fixing components.
 

Rod-Ø from 10 - 140 mm,
Holding forces from 1 - 450 kN.
Further sizes available on request.

Application areas:

• Positioning of axes
• Clamping without energy consumption
• Stepless holding of loads
• For blocking piston rods
• Safety device in case of power failure to protect expensive tools
• For exact fixing of variable stops in processing machines
• To secure the opened form

 
The Hänchen Ratio-Clamp® works effectively in

• Plastic injection moulding machines
• Metal die-casting machines
• Aluminium melting furnaces
• Aircraft tractors
• Shock absorber and tyre testing equipment
• Spark erosion machines
• Assembly equipment of various kinds
• Machine tools, honing machines
• Marine propulsion systems
• Welding robots
• Press

SITEMA-Locking units are capable of retaining forces in both axial directions. They are used in a wide variety of machines. In most versions the clamping is spring actuated, and hydraulic or pneumatic pressure is required to release it. Shaft diameters range from 10 to 250 mm. The respective holding forces vary from 0.1 to 1000 kN, depending on style and customer requirements.
If the device is used as a restraint device and emergency brake in machine tools, a special version KFHW is available. For this reason, all the external parts and sealing surfaces are made of stainless steel

Holding up the vertical axis of a machine tool Ratchless fixation of the workpiece Safety for linear axes