Spare PartsSL - Precision planetary gearbox for pulley drives

Perfect for timing belt drive systems
Bonfiglioli spare parts SL - Precision planetary gearbox for pulley drives

The new SL - Planetary precision gearbox for pulley drives Series from Tecnoingranaggi knows no rivals in compactness, efficiency and optimisation for timing belt pulley drive systems.
SL Series reduced backlash units are the ideal complement to conveyor belt servo-drives and all other applications needing to combine high precision with ultra-compact size.

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Technical data

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Backlash
Standard φ = 12 arcminutes
Reduced φ = 6 arcminutes

Transmission ratios
1 stage:   i = 3, 4, 5, 7, 10
2 stages:     i = 9, 12, 15, 16, 20, 25, 28, 30, 35, 36, 40, 45, 50, 70, 81, 100

Efficiency
η = 97%

Servomotor coupling
Clamping device

Options
Timing belt pulley with groove profile type AT

Maintenance
Not required

TypeRated torque [Nm]Acceleration torque [Nm]
SL 702535
SL 904380
SL 120110190
TypeBacklash [arcmin]
Standard12
Ridotto6