{"id":1972,"date":"2026-10-08T07:34:11","date_gmt":"2026-10-08T07:34:11","guid":{"rendered":"https:\/\/metalite.net\/?p=1972"},"modified":"2026-10-08T08:12:25","modified_gmt":"2026-10-08T08:12:25","slug":"non-standard-worm-gearbox-applications","status":"publish","type":"post","link":"https:\/\/metalite.net\/fr\/application\/non-standard-worm-gearbox-applications\/","title":{"rendered":"Non-Standard Worm Gearbox Applications: Solar Tracking, Extruders, Marine & More"},"content":{"rendered":"
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Industries that push machinery into unusual environments, unconventional output speeds, or demanding chemical and mechanical conditions generate the most frequent requests for non-standard worm gearboxes. Solar tracking systems need corrosion-resistant units at ratios that no standard catalog covers. Plastic extruders need high-torque worm gearboxes with output shaft configurations built around proprietary screw interfaces. Marine equipment needs full-salt-spray protection on gearboxes that will never be easily serviced once installed. Each of these industries has a recognisable set of requirements that drives beyond what catalog units provide.<\/p>\n

This guide covers the application scenarios most commonly served by EPG Canada’s Non-Standard Worm Gearbox program \u2014 the technical drivers behind each requirement and how the custom specification addresses them. For information on what parameters define a non-standard gearbox and how to structure an enquiry, see the Non-Standard Worm Gearbox Specification and Sourcing Guide<\/a>.<\/p>\n

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\"Non-standard<\/p>\n

Custom worm gearboxes for solar tracking, marine equipment, extruders, and OEM machinery where catalog units don’t fit<\/p>\n<\/div>\n

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Solar Panel Tracking Systems<\/h2>\n
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Solar single-axis and dual-axis tracking systems are an almost textbook case for non-standard worm gearbox requirements. The drive must operate outdoors continuously for 20\u201325 years with virtually no maintenance access \u2014 not because service is inconvenient, but because service contracts for large utility-scale solar fields are written to minimise field interventions to perhaps once per year. The gearbox must simply be reliable and sealed for the full service period.<\/p>\n

The ratio requirement is typically in the range of 400:1 to 1,000:1 \u2014 enough to drive the tracker from solar noon to west horizon in 6 hours using a small fractional-horsepower motor. This ratio falls outside the standard single-stage range (5:1 to 100:1) and is only achievable in a two-stage arrangement. Standard two-stage catalog combinations are available, but the mounting geometry, torque arm configuration, and slip-ring or cable interface for panel wiring typically require housing modifications that push the specification into non-standard territory.<\/p>\n

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Technical Requirements \u2014 Solar Tracking<\/p>\n