manufacturers, with no accumulation of errors. The AF Series gearbox, which is used in RPI UK’s LabStandard and QuadDualPurpose assemblies, is mounted to a motor by
a pulley arrangement with a belt that drives a worm and wheel arrangement.
Gearboxes fromthe AF
RPI UK’s versatile QuadDualPurpose and LabStandard precision rotary axis were specifically developed to enhance the productivity and efficiency of CMMs. With the option to mount parts horizontally and vertically for inspection, the devices are ISO 10360 Part 3 compliant, deliver angular accuracy of two arc
series were selected by RPI
seconds (0.00056°) and can handle load capacities up to 1,000 kgs. The Apex Dynamics AF Series
high precision, high speed planetary gearbox, fitted into the existing space envelope on the machine without modification to the gearbox and with minimal changes to the design, providing RPI UK with a better value, quieter alternative gearbox. Providing the highest precision, highest torque and quiet operation,
each Apex AF series gearbox has 100% optimised helical gearing, low backlash and easy mounting. High precision taper roller bearings equip the gearboxes to handle high axial and radial loads and output torque ranges from 14 Nm – 2000 Nm. The compact Apex Dynamics AF Series gearboxes are constructed with precision helical planetary gears hardened to 840 HV and feature Apex’s patented input bearing system to ensure perfect concentricity. The Apex Dynamics UK team worked closely with the design team at
RPI UK to identify the right product and supply the required specifications, files and models. Following rigorous R&D development, lab tests, angular calibration and in-situ testing of the Apex Dynamics gearbox, RPI has purchased and fitted 12 AF Series gearboxes to date. The company plans to continue buying gearboxes fromApex Dynamics going forward. RPI UK technicalmanager, Adrian Blake, commented: “With more
than 80 years’ experience in rotary measurement, high levels of accuracy are key to the success of our application-specific products. As a key component of our CMM rotary table, the low backlash provided by the AF Series gearbox means that it positions correctly, an essential feature for our machines as it forms part of the drive assembly.” He added: “All the gearboxes we have purchased are running smoothly
and have met our calibration standards.We are now using the AF Series gearbox in two of our products and, with the QuadDualPurpose rotary table becoming increasingly popular with our customers, we look forward to strengthening our relationship with Apex Dynamics UK still further.”
Apex Dynamics is a global leader in servo gearbox technologies, offering a wide range of planetary and other precision gearboxes which can be delivered with an industry-leading two-three weeks of lead time. The company has a large range of drop-in replacements and ratios as well as a ‘converter app’ which makes it easy to change to Apex Dynamics from a competitor’s product. All Apex Dynamics servo gearbox and rack and pinion products are covered by a five-year warranty, which is unique for servo drive technology, the company explains.
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