Fixtured screwdriving systems

Fixtured screwdriver SEM / SEK

For nuts and top-heavy screws

Similar to the handheld screwdrivers HSM and HSK, WEBER offers the SEM and SEK models in the fixtured screwdriving range. The SEM variant is suitable for use with DIN-compliant nuts, flanges and special nuts. Top-heavy screws can also be installed with the SEK variant. Both models use vacuum technology to reliably supply the fasteners and have automatic feed systems.

Fixtured screwdrivers SEM / SEK WEBER
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With automatic feeding systems for nuts and top-heavy screws
For interference contours up to 150 mm
Screwdriving head ass‘y in pusher design with profile tube, feeding during screwdriving
For DIN-, flange- and application specific nuts SEM

Few moving masses

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More Information

Through a fixed drive module, the number of moving masses is significantly reduced on both models. A dynamic transducer enhances this design property further. Another compelling feature of the fixtured screwdrivers SEM and SEK is their use of a reversing gear module with a compact design.

Features

Depth indicator for precise monitoring of screwdriving depth
Vacuum module for fixing nuts or top-heavy screws at the bit during the head stroke
Pusher module for process-reliable feeding of nuts and top-heavy screws

Features

  • Screwdriving spindle with controlled and monitored pusher for top-heavy screws, flanges and special nuts
  • Automatic feed system with profiled feed tube
  • Pneumatic or electric drive
  • Version with vacuum technology for the handling of nuts, also for hard to reach screw locations
  • For head-heavy screws SEK
  • For DIN-, flange- and application specific nuts SEM
  • Suitable for automatic feeding
SEK Application WEBER

Technical data Fixtured screwdriver SEM / SEK

Series 03 10 30 60 120
Torque range [Nm] 0,3 – 3 1 – 10 3 – 30 6 – 60 12 – 120
Max. rotation speed [rpm] 2.500 2.500 1.500 1.500 300
Head diameter (SEK) [mm] 3 – 16 5 – 21 9 – 24 9 – 24 9 – 24
Nut size (SEM) M2 – M4 M3 – M8 M5 – M10 M5 – M10 M5 – M10
Nut size Ø collar or Across corner [mm] up to 10 up to 15 up to 20 up to 20 up to 20
Weight [kg] approx. 5 approx. 7 approx. 9 approx. 11 approx.16
Bit stroke (intern) [mm] 70 | 90 | 120 | 190 90 | 120 | 160 | 240 120 | 160 | 200 120 | 160 | 200 160 | 200
Axial force bit (1 | 3 | 6 bar) [N] 30 | 90 | 180 45 | 135 | 270 70 | 210 | 420 70 | 210 | 420 160 | 480 | 960 70 | 210 | 420**
Max. overstroke depending on head diameter [mm] 11 -18 | 7,4 – 38 | 24,4 – 68 | 89 – 126 4,5 – 33,3 | 2,3 – 63,3 | 42,3 – 103,3 | 89 – 126,4 2,5 – 42,2 | 42,5 – 82,2 | 42,3 – 84 2,5 – 42,2 | 42,5 – 82,2 | 42,3 – 84 2,5 – 42,2 | 42,5 – 82,2 | 42,3 – 84
Tool holding coupler 3/16“ 1/4“ 5/16“ 7/16“ 7/16“
* With direct drive and standard screwdriving head ass‘y
**Version LAF Low Axial Force Technical changes reserved.

Pictures Fixtured screwdrivers SEM / SEK

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