Assisted Tube Rolling Systems
Rapid Hawk
Assisted Tube Rolling System
Elliott’s Rapid Hawk Assisted Tube Rolling System utilizes an electronic torque control system to precisely measure tube expansion and consistently hit target every time. For the first time, an electronic torque control can be used regardless of the motor’s power source.
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Tube Size: 0.500" to 3.00" (12.7 - 76.2mm) OD
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Torque Control
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Consistent Tube Expansion
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Operator Friendly
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Large Radial Reach
Table Hawk
Tabletop Assisted Tube Rolling System
Engineered to productively and precisely expand small tubes commonly found in oil coolers and other small heat exchangers. Elliott’s tabletop assisted tube rolling system completes the job right the first time.
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Tube Size: 0.25" to 0.625" (6.35 - 15.875mm) OD
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Direct Torque™ Electric Torque Control
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Increased Productivity
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Operator Friendly
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Consistent Tube Expansion
Ultra Hawk
Assisted Tube Rolling System
The first rolling system of its kind, offering the speed and productivity of a patent pending electric servo motor with the capability to perform parallel pin and traditional expansion.
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Tube Size: 0.625″ to 1.500″ (15.9 – 38.1mm) OD
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Parallel and Traditional Pin Tube Rolling
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Up To 2X The Speed Of Conventional Rolling
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Automatic Tool Lubrication
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Large Radial Reach
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Easy To Move
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Operator Friendly Controls
Suggested Articles
The Critical Role of Torque in Tube Expansion: Why the Right Motor Matters
For years, tube expansion relied heavily on the subjectivity of "rolling to size or feel". The issue is that what one operator "sees, hears, or feels" could drastically differ from another, leading to variability and a high potential for error. The advent of torque control revolutionized this process, significantly reducing operator error and ensuring consistent, repeatable results across the board. While torque control is essential for consistency, the success often hinges on one critical factor: selecting the right motor for the job. Understanding why torque matters and the potential pitfalls of choosing the wrong motor is crucial for achieving reliable and lasting tube to tube sheet joints.
Why Won’t This Tube Expand
When expanding heat exchanger tubes, achieving the proper wall reduction is crucial for a secure and leak-free seal. Sometimes, however, tubes fail to expand sufficiently, hindering the integrity of the vessel. This article outlines common causes and troubleshooting steps for incomplete tube expansion.
Tube Sheet Grooves and How They Impact Expansion
Grooved tube sheets are the standard in most shell and tube heat exchanger applications. Providing both leak protection and improving the tube-to-tube sheet joints, grooves play an important role in prolonging the life of a tube and the efficiency of a vessel. However, in few applications where grooves are not required, there can be challenges during the tube expansion process.
Do I Need Torque Control?
With the amount of rolling motors on the market, there are a lot of variables to consider. However, one of the most common questions is around torque control, setting torque, and when it’s not needed for a job.
Fabrication Company Reduces Expansion Cycle Times by 80% With Parallel Pin Expansion
Dunn Heat Exchanger, Inc., a fabrication company located in Texas City, Texas, offers heat exchanger cleaning, decontamination, repair, and fabrication services in the highly competitive shell and tube market.
Elliott’s New Rolling System Offers 30% Tube Expansion Savings, Guaranteed
Elliott Tool Technologies, a USA based tube tool manufacturer, announced the launch of an all new assisted tube rolling system.