The OHMA™ Air Over Oil Weld Cylinder operates using an ``air over oil`` intensification principle to produce non-shock welding force.
This method of operation allows the cylinder to remain compact while providing numerous advantages to resistance welding applications:
Low impact (non-shock) advance to the workpiece for minimal electrode mushrooming and to help maintain tip alignment
The ability to produce a wide range of forces (e.g. a 2″ bore OHMA™ cylinder can produce from 600 to 5000 lbs. of tip force using between 20 and 100 psi air pressure)
Simple construction and operation to minimize downtime
Ability to function in any position
Compact construction to minimize air consumption
Small bore size to enable multiple cylinders to perform applications with close weld spacing
The standard OHMA™ Air Over Oil Weld Cylinders are supplied in the following range of sizes and specifications:
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