When Electron Engineering Services,a machine tool company specialising in machine refurbishment and CNC retrofitting, was retrofitting a grinding machine to turn it into an accurate grinder by installing servo systems instead of hydraulics, the company turned to Apex Dynamics and its range of precision planetary gearboxes. Electron selected AB115 and the PAII115 gearboxes for their high precision, hightorque and competitive price.

As part of the project, Electron determined that it needed a precision planetary gearbox fitted to the servo in order to get more accurate performance from the grinding machine and higher torque from a smaller motor.Good availability of parts was essential for timely delivery of the final machine design as Electron had previously encountered problems with other components as a result of supply chain shortages. Other key considerations included high levels of customer support, availability of 3D models for design, and assistance with calculations, in order to meet the project deadlines.

The AB115 is part of Apex Dynamics’ highest precision, highest torque range, while the compact, lightweight PAII115 is an economy precision planetary gearbox with accuracy of less than 6 arc-minutes and reduced backlash.

By installing in-line planetary gearboxes on servo axes, Electron was able to use a much smaller motor in the grinding machine to get similar torque and thrust, with lower backlash and quieter operation.

Phillip Denison, senior mechanical designer at Electron Engineering Services, says: “Having used Apex Dynamics products for some time now, they are really good at what they do and they understand what we do, helping when needed with things like calculations and 3D models. We were really pleased with the levels of service for this project.”
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