STEINEL S-Former E, Assembly Instructions Manual, Page: 18 / 92

18 Assembly instructions Version 12.2022
4 Design according to type
4.1 S-Former E types
The S-Former E product series consists of 4 basic sizes (E0, E1, E2 and E3) for thread sizes of 1 to 26 mm.
Size E1 is available in the variants E1.1, E1.1SSP (not shown here) and E1.2. The S-Former E can also be
operated as an independent production unit.
S-Former E E0 E1.1 E1.2 E2 E3
Ø thread [mm] 1-4 4-8 4-8 8-16 8-26
Ø tap shaft [mm] 1-4 4-8 4-8 8-12 8-16
Max. tap path [mm] 20 30 30 40 50
Number of strokes [stroke/min]* Up to 160 Up to 110 Up to 80 Up to 70 Up to 50
Max. torque M
F
[Nm] 2 8 14 20 40
Rotation speed n
F
[t/min] Up to 5 000 Up to 3 250 Up to 2 777 Up to 2 500 Up to 1 000
* 240° thread form angle), steel < 600 N/mm²; F = roll tap
4.1.1 S-Former E0
The S-Former E0 (part number SZ2701-00005) is operated with a single-stage toothed belt gear. The AC
Servodrive has an output of 0.77 kW, while the pneumatic cylinder has a stroke of 20 mm.
The tool is clamped with a collet.
1
Pneumatic cylinder with piston diameter = 16 mm and stroke = 20 mm as well as with the
analogue position sensor and compressed air connections for nominal width D = 6 mm
2
AC Servodrive with an output of 0.77 kW, rotation speed 8 000 rpm
3
Gear stage with AT5 toothed belt
4
Spindle/spline shaft with tool clamping nuts and collets (type ERG08)
2 1
4 3
4 Design according to type