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Maximum Precision High Precision Gears

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The Best Choice for Precision Movement and a High Level of Energy Efficiency Our eccentric gears realise these characteristics in the most confined installation spaces, making them optimum components for versatile operational areas and innovative applications, such as in medical technology, high-end machine tools, solar technology, handling applications and much more. Nabtesco Precision Europe GmbH, part of the Nabtesco Group, is the world’s largest and most widely recognised manufacturer of precision gears. Two extremes must be harmonised when it comes to machine and plant construction,...

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Advantages of Nabtesco eccentric gears • high rated torque of up to 14.715 Nm • minimum space requirement • igh shock-load capability h (5 times the rated torque) • high rigidity • xtreme precision (hysteresis loss < 1 arcmin) e • low inertia • insensitive to vibration • extremely low wear • long service life Convincing performance

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Eccentric Gears Offer Unbeatable Advantages The two-stage reduction of eccentric gears makes solutions from Nabtesco Precision so successful. The reason is that the speed is reduced by the double cams. Vibration is reduced by the two-stage reduction principle and low inertia. The force is also distributed very evenly, thanks to the roller cam design, and this contributes to the minimum hysteresis loss and enormous resistance to shock loading. Consequently, eccentric gears are as versatile as they are resilient. Mode of operation of eccentric gearboxes The drive or servomotor is connected to...

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Nabtesco Precision component sets are, essentially, available in three versions: • The RV series is the basic version and can be combined with different output supports. • V-E solid shaft gears provide high reduction ratios R and are extremely resilient, thanks to integrated angular bearings. • The identical RV-C series has a hollow shaft with a diameter of up to 138 mm which, for example, facilitates the routing of data and power supply cables and integrated output shaft support. Component Sets Main areas of application • Robotics • Machine tools • Packaging machinery • Medical technology...

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Type designation E = solid shaft Ratio C = hollow shaft without = original type (no output shaft support) Type designation Input shaft Output shaft: Mounting method A = narrow shaft end (standard) B = wide shaft end (standard) Z = customised B = bolts P = bolts & tapered pins T = through bolts

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RV-E Component Sets – Solid Shaft The RV-E series is extremely versatile, providing the advantages of high reduction ratios and minimum space requirements. RV-E gears operate with max­­­­­ imum reliability and precision, thanks to high torsional and tilting rigidity. The integrated angular bearings additionally minimise the outlay for installation and extension of the service life. Areas of use • Robotics • Machine tools • Positioning • Palletising • igh torque and minimum installation space h requirements • igh shock-load capability h (up to 5 times the rated torque) • high rigidity • high...

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Specifications Allowable torque Standard­ ratio Bearing support capacity Torsional rigidity Tilting rigidity Allowable tilting torque (Nm) Acceleration/ Emergency stop Intermittent drive deceleration (Nm) (Nm) (min-1) Hysteresis loss

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RV-C Component Sets – Hollow Shaft Areas of use • 5-axis pivoting heads (CNC) • Robotics • Medical technology • Antenna systems RV-C gears have a hollow shaft through which power supply cables, drive shafts, etc. can be fed. Their design is otherwise identical to that of the RV-E series. RV-C component sets are therefore just as compact and efficient as RV-E gears. Advantages • hollow shaft (for routing cables, etc.) • igh torque and minimum installation space h requirements • igh shock-load capability h (up to 5 times the rated torque) • high rigidity • high precision (hysteresis loss...

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Allowable torque Max. speed Bearing support capacity Standard Rated torque -1--loss Torsional rigidity -1-1- ratio (Nm) Acceleration/ Emergency stop Intermittent drive (Nm/arcmin) Tilting rigidity Allowable tilting Axial load deceleration (Nm) (Nm) (mirf1) (Nm/arcmin) torque (Nm) (N)

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RV Component Sets – Solid Shaft without Bearing Support The RV series is the basic version of our precision gears. It enables the achievement of high reduction ratios. As the force is transmitted via rollers, RV gears are characterised by higher precision and low hystere­ is loss. RV gears are especially compact, s thanks to the external bearing support, and are capable of determining the output support themselves. This makes them the ideal solution for integrated applications which exactly reflect your specifications. • extremely compact design • external output support (freely selectable)...

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Specifications Allowable torque Standard­ ratio Rated torque Torsional rigidity Hysteresis loss Intermittent drive Emergency stop Dimensions Model

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The ready-to-install solution from Nabtesco: completely enclosed gearheads filled with lubricant and sealed tightly through encapsulation. The gear-heads can absorb very high forces, thanks to the integrated angular bearings. An additional output bearing is generally unnecessary. All gearheads have an integrated adapter plate for the motor and a motor shaft coupling for servomotors. This enables you to reduce the time required for construction and installation. Main areas of application • Robotics • Machine tools • Packaging machinery • Medical technology • Handling applications •...

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Type designation Input S = straight R = right angle P = pulley E = solid shaft C = hollow shaft Motor coupling Motor flange Type designation Input shaft Motor flange Mounting method P = flange type S = shaft type Type designation

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All Nabtesco Precision Europe catalogs and technical brochures

  1. AF series

    33 Pages

  2. RS series

    33 Pages

  3. Rh-E/C series

    2 Pages

  4. RV-Gears

    136 Pages

  5. RD2-Gears

    128 Pages

  6. GH-Gears

    36 Pages

  7. RV-N Series

    60 Pages

  8. RD-Gears

    82 Pages

  9. RA-Gears

    32 Pages

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