Models: RNCK-501 | RNCK-631 | RNCK-631-BB
The RNCK-Series rotary tables have been designed for use on horizontal machining centers. These tables are typically pallet mounted for use in high production machining environments.
RNCK SERIES
TABLE MODEL | RNCK-501 | RNCK-631 | RNCK-631-BB | |
MAXIMUM TABLE SPEED | rpm | 16.7 | 16.7 | 16.7 |
CLAMP TORQUE @ 500psi | Nm (ft. lbs.) | 2,450 (1,806) | 4,410 (3,250) | 4,410 (3,250) |
INDEXING ACCURACY | arc sec. | ±7.5 | ±7.5 | ±7.5 |
ALLOWABLE WORK WEIGHT (with tailstock) | | 550 [1,320] | 880 [1,760] | 880 [1,760] |
features & advantages


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Determine which rotary table is the best fit for you.
Or email us at info@komaprecision.com
TORQUE TRANSFER EFFICIENCY
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The Tsudakoma dual lead gearing system features the largest tooth engagement of any rotary table manufacturer. This generates up to 85% torque transfer efficiency.
OVERSIZE WORM WHEEL
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The Tsudakoma worm wheel uses an oversize diameter pitch circle resulting in reduced pressure on the contact surface compared to a conventional gearing system.
CROSS ROLLER BEARINGS
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All Tsudakoma rotary tables and indexers use ultra precision cross roller bearings. Four times more rigid than angular contact bearings.
GEARING MATERIALS
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Tsudakoma uses proprietary high tensile strength brass to build the gears. This enables exceptionally smooth cutting due to the inherent lubricating properties.
TOOTH PROFILE
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Tsudakoma utilizes full depth engagement with a larger gear module resulting in a larger surface area yielding a substantially stronger worm gear system.
APPLICATION ENGINEERING
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Koma Precision, Inc. provides comprehensive rotary table selection assistance. Torque calculations, interference drawings and 3D models are a value added service offered to each customer.





