66/6UC
Continuous use gearbox
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• Ideal for continuous motorized use at maximum efficiency, without any loss of power. |
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• The component configuration ensures handling of constant loads with smooth, and uninterrupted operation. |
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• Oil bath lubrication for speeds above 200 rpm; grease lubrication for speeds below 200 rpm. |
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• Available transmission ratios: 1:1 - 1:2 - 2:1 (available in versions «A» - «B» - «C»). |
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• Aluminium case, anodised; AISI 303 stainless steel shafts (standard). |
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• Max. transmissible torque 45 Nm. |
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• Models: |
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- Version «A» with 2 outputs; weight 1050 g. |
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- Version «B» with 3 outputs; weight 1300 g. |
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- Version «C» (opposite rotation) with 3 ouputs; weight 1350 g. |
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- Version «D» with 3 outputs, 2 through hollow shafts; weight 1200 g. |
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• Standard shafts: M = male Ø14CH5 / F = female Ø14CH5. |
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Available on request: |
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▪ Shafts: M = male Ø20CH6. |
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▪ Custom configurations |
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APPLICATION EXAMPLES |





| VERSION WITH DIMENSION DRAWINGS | |||||||
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| Version «A» M-M | |||||||
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| Version «A» M-F | |||||||
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| Version «A» F-M | |||||||
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| Version «A» F-F | |||||||
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| Version «B» M-M-M | |||||||
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| Version «B» F-M-M | |||||||
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| Version «C» M-M-M | |||||||
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| Version «C» M-F-F | |||||||
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| Version «C» F-M-M | |||||||
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| Version «C» F-F-F | |||||||
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| Version «D» F-F-F | |||||||
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| Version «D» M-F-F | |||||||
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CONFIGURATION AND DIRECTION OF ROTATION |
Tab.1 |
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| AVAILABLE VERSIONS | |
| ⟪A⟫ | ⟪B⟫ |
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2 outputs, same rotation direction |
3 outputs, same rotation direction |
| ⟪C⟫ | ⟪D⟫ |
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3 outputs, 1 with opposite rotation directions |
3 outputs, 2 with through hollow shafts, same rotation direction |
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OUTPUT SHAFT IDENTIFICATION |
Tab.2 |
| AVAILABLE OUTPUT SHAFTS | ||||||||
| male = M |
female blind = F |
through female = F |
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Example with 2 outputs |
Example with 3 outputs |
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Shaft 1 is always shown on the side opposite the M_1 fixing bores and serves as the reference for determining: |
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● the configuration |
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● the direction of rotation |
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● the gear ratio |
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By convention, Shaft 1is shown rotating clockwise. The others shaft are defined following the clockwise direction. |
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AVAILABLE TRANSMISSION RATIOS |
Tab.3 |
| Ratio 1/1 | Ratio 1/2 | Ratio 2/1 |
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Example |
Example |
Example |
| Shaft 1 = 10 rpm | Shaft 1 = 10 rpm | Shaft 1 = 5 rpm |
| Shafts 2-3 = 10 rpm | Shafts 2-3 = 5 rpm | Shafts 2-3 = 10 rpm |
| not available in version D | ||
| M_ FIXING POSITIONS | Tab.4 |
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| M_1 = top view. 0° | M_2 = right side view 90° | |||
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+90° →DX |
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| same rotation | opposite rotation | same rotation | opposite rotation | |
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↑ +90° |
+90° ↓ |
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| M_3 = left side view 270° | M_4 = bottom view 180° | |||
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+90° ← SX |
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| same rotation | opposite rotation | same rotation | opposite rotation | |
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PHASE BETWEEN KEYS |
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ratio |
degrees ° |
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1/1 |
± 7,2° |
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1/2 |
± 6,9° |
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2/1 |
± 6,9° |
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a. keyway |
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The keyways on the shafts are never perfectly in phase, except for shaft 2 and 3 in versions «B» and «D». |
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GUIDELINES |
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Selection of the gearbox |
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For correct sizing it is necessary to identify: the power, the torque and the rotation speed. We advise to consult also the tables, and the technical data shown in the “General Information” (p. 4 - 7). |
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Installation |
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Ensure proper alignment of the shafts to avoid overloading, overheating, and premature wear of the bearings. The gearboxes, thanks to their construction design, can be installed in any position. |
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Start-up |
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After a brief pre-delivery test, the gearbox requires several hours of running to reach maximum efficiency. A gradual increase in load is recommended, reaching full load within 20-30 hours of operation. Initial temperatures will be higher during the break-in period. |
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Periodic maintenance |
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Our gearboxes are maintenance-free; however, it is advisable to periodically check for any lubricant leaks. The replacement of the gearbox depends on operating conditions, with an estimated lifespan of 10,000 hours under normal conditions. |
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Storage |
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During warehouse storage, protect the gearboxes from dust and corrosive environments. We recommend periodically rotating the gearboxes to ensure proper lubrication of internal parts and seals. |
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Warranty |
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The warranty is valid only if all instructions provided in the catalog are strictly followed. |
Richiedi l'accesso
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EFFICIENCY DIAGRAMS AND TABLES |
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| Output torque with ratio 1/1 | |
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| Output torque with ratio 1/2 | |
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| Output torque with ratio 2/1 | |
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LOADS DIAGRAMS AND TABLES |
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Radial load ‹Fr› |
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| Axial load ‹Fa› | |
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| Representation of loads | |
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«B» |
«D» |
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- The transmission efficiency of the gearbox is 90%. - The charts represent the maximum radial and axial loads applicable to the gearbox shaft. Note: a radial load (ex. belt tension) can only be applied to the long shaft of the «B» and «D» versions; otherwise, a support must be provided. |
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_M(Ø14).png)
_F(Ø14).png)
_M(Ø14).png)
_F(Ø14).png)
_M(Ø14)_M(Ø14).png)
_M(Ø14)_M(Ø14).png)
_M(Ø14)_M(Ø14).png)
_M(Ø14)_M(Ø14).png)
_F(Ø14)_F(Ø14).png)
_F(Ø14)_F(Ø14).png)




















