​Custom Planetary Gear
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HM Manufacturing is a leading producer of simple and complex planetary gear systems and transmissions. At HM, we work with all three types structures; meshed-planet, stepped-planet and multi-stage. Custom helical internal rings can be included in any of our systems. Planetary gearheads are high precision, tight tolerance, motion control devices that generate substantial torque for their size, while maintaining low backlash — making them suited for wide ranging tasks.
Planetary gearboxes operate smoothly and powerfully for servo system applications in which accurate and repeatable motion is essential. With its inherent in-line shafting and cylindrical casing, gearing is often recognized as the compact alternative to standard pinion and gear reducers. With our in-house gear shaping, milling, hobbing, turning and grinding machines, HM produces the highest quality custom gears, suitable for your specific project. Let HM manufacture assemble and deliver complete planetary gear systems for your blanket order needs.
Planetary Gear Types
What is a simple planetary gear? How do planetary gears work? There are three gears that have an equal number of teeth around a sun gear. One outer ring, one carrier and one gear set transmits the torque from a motor to the transmission. In a simple setup, input power turns the sun gear at high speed. As the planet carrier turns, it delivers low-speed, high-torque output. What is a Compound planetary gear? Compound gear transmissions or trains have at least two planet gears attached in line to the same shaft, rotating and orbiting at the same speed while meshing with different gears. Compounded planets can have varied tooth numbers, as can the gears they mesh with. The wide variety allows for many mechanical possibilities and more reduction per stage. With compound planetary set, the planets can mesh with or revolve around both fixed and rotating external gears simultaneously. What is a Meshed planetary gear? Meshed gear system contains at least two or more planet gears that mesh with each other and work together in the planet train. Click Here to see our Catalog. What is a Stepped planetary gear? Stepped gear system has a shaft connection between two planets in each planet train. What is a Multi-Stage planetary gear? A multi stage gear system has two or more planet sets to create one large compounded system. What are Helical Internal Rings? Helical internal rings are used in the planetary system as the main component holding the system with the other planet gears together. Helical gears can be used for heavy load capacity due to the comparable gear sizes and numbers of planets. Since helical gears are angled, not straight toothed, even more teeth mesh at once. The helix shape included in system allows for higher torque-to-weight ratio, larger reduction ratio, and more flexible configurations. HM MANUFACTURING ORDER PROCESSING ADVANTAGES
We encourage our customers to place 12 month blanket purchase orders to accommodate for annual requirements. This in turn allows us to hold materials exclusively for our customer and can usually be dispatched within one business day.
PLANETARY GEAR MATERIALS
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