RF Welding Systems with Superior Process Control

Large Rotary RF Welder

RF-Roto-L1 20x40" Seal Area

The large Rotary RF welder, RF-Roto-4-L1 with 20"x40" weld area, was developed for RF welding the stiffener and perimeter of curved Tourniquet cuffs and long air bladders. Read more about the RF welder specs and applications below...

Rotary RF Welder

RF welding RF welding RF Sealed Blood Pressure Cuff
Rotary RF Welder Uses

The Rotary RF welder is a heavy duty RF welding machine with two 6" bore air cylinders. What's unique about this sealer is the even RF energy distribution accross the product surface. Also the RF Welding press and the Indexer are built on a single frame. Everything is perfectly aligned at the factory and drop shipped at customer site.

  • Easy to setup the die from the back

  • Safe to operate

The RF Sealer uses closed loop process control to achieve consistent results in RF sealed products.

RF Welders Specs

RF Seal Station

Rotary Dial Diameter

Available Nest options

Seal Area

RF Energy


Process Control



EMI/RFI safety meets


Air Pressure

Air Use @ 10 c/m

Pressing Force

Shipping Weight




96"                 120" 

4-8                 6-8

20-40"           20-40"



Auto Tuner

Allen Bradley & ONEX

ISO 13849 / Class IV

OSHA and VDE 0848

220-480VAC / 3Ph / 50 - 60Hz

80 PSI





UL or CE (Per Request)

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RF Welding Process Control

Easy - Reliable - Streight Forward.

ONEX RF has developed process control, which makes process validation easy and repeatable.

The closed-loop process control, real-time seal-process monitoring with data logging, helps you set process parameters and achieve acceptable quality seals in a matter of minutes. The hybrid generator uses an AGC to maintain exact RF power at all times, which eliminates process variations during validation.


RF Welder Process Control Screens

RF Welding Process Control Screens.png

  •     Main Screen
  •     Recipe Screen
  •     Die Setup Screen
  •  Manual Verification Screen
  •  Engineering Setup Screen
  •  System Screen

ONEX RF uses Allen Bradley PLC and PC based 12"  HMI to control the RF Welding Machines.
We have designed our systems for ease of use and validation to comply FDA requirements.
We offer validation support, including FAT & Installation Qualification documentation.

Process Monitoring

rf welding process monitoring graph


The PC based HMI software can monitor the RF welding process and record each cycle. Read More


RF Welding Applications on the RF-Roto-L1 20"x40"

Rf Welding applications
Rf Welding applications

RF Sealing the Stiffener and Perimeter of the Tourniquet Cuffs

ONEX RF has developed complete manufacturing process for RF sealing Tourniquet cuffs, the project included design and manufacturing of the stiffener and perimeter RF sealing dies for cuff sizes ranging from 12" to 44". We also provided the port RF seal station (RF-Shuttle-S1). ONEX developed the RF welding process parameters for all the cuff sizes. 

Rf Welding applications
Rf Welding applications

RF Welding Pressure Cuffs and Knee Braces

ONEX RF has developed turnkey solution for a contract manufacturer to produce pressure cuffs and orthopedic products. The Air bladders were 3 sizes small medium large and the knee brace included some pressure bladders for support. Both products just required flat perimeter seal. The ports were welded on another RF Welding system. 

Explorre Other RF Welding Systems or Contact Us to discuss your RF Sealing Application 1(626)358-6639

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