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Gears/geared motors Phase shifting
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Vogel phase shifting gearboxes are a mechanical solution to alter the phase between two rotating shafts.  This can be used for positioning or registration, for example in packaging or printing machines.  The phase adjustment can be intermittent or continuous when applied by an electric motor.  Phase shifting gearboxes allow a speed superimposition (speed trim) of up to +/- 24 r/min.  They also can be used as emergency pony drives for when the main drive fails, useful in cases such as industrial ovens.  Effectively this is a two speed gearbox with a high difference of about 125 between fast and creep speeds.  It avoids the need for two drives and the connection between them.  

Vogel phase shifting gearboxes are being discontinued.  Spares are still available but we recommend they are not used for new applications.

The phase adjustment is achieved by rotating a side-mounted worm shaft which causes an internal planetary ring to turn.  Input and output shafts are connected by planetary gears and turning the ring creates angular adjustment between the shafts.  In-line models are 1:1 or have a 3:1 speed reduction.  Right  angle models incorporate a bevel output stage with two output shafts and ratios of 1,2 or 3

PHASE SHIFTING GEARBOXES FROM VOGEL

PHASE ADJUSTMENT BETWEEN INPUT & OUTPUT 25 TO 1500NM

Size

Rated torque
Nm

Input/Output shaft diameter (mm)

Trimming
 Shaft dia(mm)

1

50

18

10

2

150

25

14

25

310

35

16

30

620

42

20

4

1500

60

38

Main models

Type UE - In-line gearbox, foot mounted, ratios 1 or 3
Type UEF - In-line gearbox, flange mounted ratios 1 or 3
Type LUE - Right angle gearbox, ratios 1, 2 or 3
Type LUEF - Right angle  bevel gearbox, flange mounted, ratios 1, 2 or 3

LINKS:

DOWNLOADS

Size 5 at 3000Nm, details on request

phase shifting gearboxes from vogel phase shifting gearboxes from vogel