OHMA™ Weld Cylinders

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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Related Documents

Product Literature
TitleFile TypeFile SizeDownload
OHMA™ Weld Cylinder – Disassembly Reassembly Instructions – Ver. 3.0 – July 2004pdf181 KB
OHMA™ Weld Cylinder – Flyer – Ver. 1.0 – Nov. 2013pdf247 KB
OHMA™ Weld Cylinder – Product Guide – Ver. 3.1 – Oct. 2024pdf3 MB

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