Product Characteristics
Integral Through Hollow Shaft Design
A full through bore at the output end allows ball screws, rollers and drive shafts to directly pass through the gearbox. Intermediate parts like couplings and adapter flanges are eliminated for highly integrated compact structure.
Keyless Locking With Shrink Disc
Standard high-precision stainless steel shrink hub provides uniform radial clamping force without keyway processing. No key wear or stress concentration, preventing slipping even under frequent forward-reverse cycles.
Symmetric Hollow Load-Bearing Layout
Planet carriers surround the central hollow shaft to evenly distribute loads to surrounding planet gears. The hollow design does not weaken housing rigidity, offering strong axial and radial load capacity for rollers and hollow rotary tables.
Product advantages
Simplified Machine Transmission Structure
Direct penetration of load shafts removes external connecting components, shortens overall axial length and reduces the number of assembly parts, cutting machine processing and assembly costs.
Zero-Backlash Transmission & Stable Precision
Full-circle uniform clamping of shrink disc eliminates clearance from key fitting. No transmission play during servo reciprocating and indexing, maintaining ultra-low repeat positioning error.
Fast Disassembly & Easy Maintenance
Separate gearbox and load shaft without removing couplings, greatly shortening downtime for production line changeover and equipment overhaul, ideal for multi-workpiece automated lines.
Product detail photos
Product Description
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Hollow Shaft Planetary Gearbox |
Typical model
Partial drawing display
Product details display
Our advantages
Eight reasons to choose us
We have our own factory
Multiple certificate certifications
Customizationand selection Steps
Payment and Price Terms
Production and testing
Packaging and transportation
Signing for receipt and after-sales service
FAQ
Q:Can the inner bore size of hollow shaft be customized?
A:Standard models come with multiple standard bore sizes. Special large bores or custom tolerances can be machined according to your drive shaft without new mold development.
Q:Will the shrink disc loosen after long-term operation?
A:Equipped with high-strength stainless steel shrink hub tightened to factory standard torque. It stays tight under normal rated loads without severe shock; regular torque inspection is recommended for heavy impact working conditions.
Q:How to choose between hollow shaft and solid shaft planetary gearbox?
A:Choose hollow type if your load drive shaft needs to pass through the gearbox. Select solid parallel key / spline output when motor and load are separated and connected via coupling.
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