Selection and Calculation of Bonfiglioli RAN Right Angle Gearbox
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Au:FANS
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DA:2026-09-02
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15 Br:
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The Bonfiglioli RAN series, as a representative of its right angle gearbox product line, covers a wide range of scenarios from small power precision transmission to high thrust heavy-duty lifting applications. From the compact design of RAN 8 to the ultra large axial load capacity of RAN 2R, this series fully embodies Bonfiglioli's over sixty years of technical accumulation in the field of bevel gear transmission. This article will provide engineers with a complete engineering application methodology based on the RAN series technical manual, covering three core dimensions: selection process, load verification, and lubrication strategy.
Is the actual radial load less than the rated radial bearing capacity?
Is the actual axial load (if any) within the allowable range (generally not exceeding 20% of the radial capacity)?
Does the peak torque exceed 200% of the rated torque? If exceeded, has a torque limiting device been installed?
Has the installation orientation (B3/B6/B7, etc.) been clearly marked in the order?
Does the lubrication method and oil selection match the working environment temperature?
