Digital Magazine

Amacoil Reports Precision Motion Drive System

ASTON, PA | Amacoil/Uhing announces the Precision Motion Drive System, a Model RG rolling ring linear drive integrated with a motion controller for precision linear motion applications. The drive is fully programmable and said to meet application requirements for precision winding/spooling, pick-and-place machines, X-Y coordinate tool movement, metrology equipment, and other machinery, providing fast, accurate positioning and reciprocating linear motion. 

Depending on the size of the RG drive nut in the system, the Precision Motion Drive System provides from 7–800 lbs of axial thrust.

Linear movement of the drive head is defined via software and monitored by sensors feeding back to the electronic control unit. The drive stores up to 20 programs, which are recalled at the touch of a button. System is said to be well suited for precision winding of a wide range of materials and also handles custom winding patterns and irregularly shaped spools.

Company says the system offers virtually unlimited flexibility with regard to specialized linear movement of the drive nut. Stop/start, travel direction, linear pitch, travel speed, repetitive processes, ramp up/down, and essentially all other variables pertaining to drive nut movement may be programed into the system to meet application requirements. A single system may be set up to control multiple stations, making it unnecessary to invest in multiple systems in order to help sustain high production rates.

A stepper motor controlled by a Siemens S7 PLC is included in the package. Said to offer fast, simple operation enhanced with intuitive prompts displayed on a touch screen control panel. The shaft on which the drive runs is smooth case hardened steel. There are no threads, which makes the system useful in applications where particulate contaminants could fall into threads causing jams or clogs. The shaft rotates in one direction only. Drive nut travel direction, linear pitch, and other motion parameters are controlled by the angle of the rolling ring bearings inside the drive unit. The angling and pivoting of the rolling rings is, in turn, controlled by user programming.

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