Robotic screwing unit SER-L

vacuumelectricfor screw assembly

Overview
The SER-L and SEV-L fixtured screwdriving systems are designed for integration with lightweight robots and cobots. Both systems feature an electric drive and automatic screw feeding; the SEV-L adds an optional vacuum function to access recessed or hard-to-reach screw locations. The compact, low‑weight design supports human‑robot collaboration and integration into automated assembly processes.

Design & applications
The swivel‑arm feeding principle enables feeding during screwdriving, reducing cycle times and ensuring reliable handling of shank‑heavy screws. Systems are suitable for fully automatic screwfeeding applications or for mounting on cobots and robot adapters in coexisting HRC environments.

Features

• For lightweight robots and coexisting HRC applications
• Suitable for shank‑heavy screws
• Optional vacuum function for recessed screw locations (SEV‑L)
• Swivel‑arm principle: feeding during screwdriving
• Automatic feeding and electric drive

Technical data (SEV‑L / SER‑L)
Series | SEV‑L | SER‑L
Torque range [Nm] | 1‑10 | 1‑10
Max. rotation speed [rpm] | 2,500 | 2,500
Head diameter [mm] | 6–16 | 6–16
Weight* [kg] | approx. 3.7 | approx. 3.6
Bit stroke (spindle internal) [mm] | 90 | 130
Axial force bit (1 | 3 | 6 bar) [N] | 20 | 60 | 120
Max. overstroke depending on head diameter [mm] | 32–73.5 | 32–73.5
Tool holding coupler | 1/4" | 1/4"
*With direct drive, standard screwdriving head ass'y and cable pack

Specifications / key data

• Torque range: 1–10 Nm
• Maximum rotation speed: 2,500 rpm
• Head diameter supported: 6–16 mm
• Approx. weight: SEV‑L ≈ 3.7 kg; SER‑L ≈ 3.6 kg
• Bit stroke options (spindle internal): 90 mm and 130 mm
• Axial force at 1 / 3 / 6 bar: 20 / 60 / 120 N
• Max. overstroke depending on head diameter: 32–73.5 mm
• Tool holding coupler: 1/4"
• Optional vacuum function (SEV‑L) for recessed screw positions
• Swivel‑arm feeding enables feeding during screwdriving for short cycle times