Gear Shaping Machine

LORENZ SJ7-1000

max. wheel diameter 1000 mm
gear width 160 mm
max. module 7
min. module 0,4
total power requirement 8 kW
weight of the machine ca. 5,6 t
This machine is set up for shaping and drawing spur and helical gears using the
hobbing process. By means of a special device, gears can also be produced using
the hand-piece method.

Cutting wheels with a pitch circle diameter of approx. 4" = 100 m/m are
normally used. As the machine works according to the hobbing method, all
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numbers of teeth can be cut with just one cutting wheel of a particular module.

Dimensions for external gearing:

- largest wheel diameter for pinions: 1000 mm
- Largest wheel diameter for helical gears: 750 mm
- largest tooth width: 160 mm

Dimensions for internal gearing:

- Largest wheel diameter for pinions: 750 mm
- Largest wheel diameter for helical gears: 750 mm
- Largest tooth width: 130 mm
- largest pitch to be planed in steel: 8.5/8.6 module
- Bore of the table spindle: 160 mm
- Number of ram strokes: 6
- Number of cutting wheel feeds: 8

Additional information + accessories:

- Column extension 50 mm
- Max. Max. installation height 2540 mm
- Year of construction unknown
- including change wheels