Torque Functional Test Systems include hollow-shaft units.

Press Release Summary:

Intended for intelligent assembly applications, TFT-HS series is based on direct drive rotary motor technology and lets users access components with tools/sensors inserted through center hole during assembly operation. Products utilize servomotors, precision position sensing feedback technology, and torque transducers to produce controlled torque inputs and feedback monitoring. Torque sensor accuracy is 2% FS and repeatability is 0.25% for models rated from 20-300 Nm.

Original Press Release:

Promess Adds New Series of Hollow-Shaft Units to Its Line of Torque Functional Test Systems

Brighton, Mich., July 10 - Promess, Inc. has added a series of hollow-shaft units to its line of Torque Functional Test (TFT) systems intended for intelligent assembly applications. Based on direct drive rotary motor technology, the new TFT-HS series permits users to access components with tools and/or sensors inserted through the center hole during the assembly operation.

Promess TFTs provide monitored and measured amounts of torque during assembly and test operations. They utilize servomotors, precision position sensing feedback technology, and extremely accurate, proprietary torque transducers to produce controlled torque inputs and feedback monitoring.

"A hollow-shaft TFT greatly simplifies the design of many test and assembly machines by eliminating the need for complex tooling," explains Promess President Larry Stockline. "For example, one could adjust the backlash in a gear set by applying axial force through the center hole with a press while the TFT provides the necessary rotation to tighten a fastener or other adjustment mechanism.

"Obviously, this is only one possible use for the new hollow-shaft TFT," Stockline says. "When combined with a sophisticated CNC control and highly-customizable monitoring software, the possibilities are limited only by the user's imagination."

The new Promess TFT-HS series includes models ranging in size from 20Nm to 300Nm at speeds up to 800rpm. Full scale torque sensor accuracy is 2 percent, and repeatability is 0.25 percent. A full range of customized features and standard options are also available.

Promess is a 25-year-old firm that develops, manufactures, and markets its family of sensing devices, electronics, assembly presses and test systems on a global basis.

Doug Drummond, National Editorial Services

Hope E. Hirth
Promess Incorporated
11429 E. Grand River
Brighton, MI 48116
(810) 229-9334
(810) 229-8125 (fax)

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