BSFSlitter: One Step Ahead for Lithium Ion Batteries


BSFSlitter for Battery Separator Films


BSF Slitter

Customized, solution-oriented, focused on quality and future viability

Kampf offers a selected range of Battery Separator Film production equipment to satisfy the increasing demands of the highly innovative Lithium Ion Battery manufacturing industries.  Highly reliable Non-Stop Winders, high efficient Primary and Secondary Slitters are producing on top quality standards all around the world and are the benchmark for success.

Maximum performance and modularity.

We combine strong core features to guarantee the required maximum performance with new, smart and exciting solutions. Following the optimum characteristics of the production line, the BSF Slitter will be configured tailored to your film specifications to achieve the highest output.


  • Remarkable compactness and ultra-short overall web path
  • Optimum web handling and latest digital tension control
  • Latest slitting technologies considering highest quality aspects
  • Advanced web control for every individual finished roll (Geometry, Tension, Nip, Torque)
  • Smart design details for cleanest and hygienic production


Production flexibility

  • The unwinder offers many opportunities for individual parent roll handling
  • Open for the integration of various web inspection units
  • Fully driven shear cut option
  • Blade cut option
  • Edge trim winding or suction possibilities


Optimum web control

  • Proven edge guiding and film oscillation
  • Uncompromising ultrasensitive tension compensation roller
  • Advanced digital
  • 4 tension section
  • Controlled and consequent individual driven rollers
  • Wide range of adaptable web spreading technologies
  • Specialized rewind section for precise and sensitive web control

Download brochure BSF Slitter and Winder


You produce high-quality Battery Separator Films for LIB production for a promising, emerging and highly competitive market. You need to increase your production throughput, roll quality and yield.

Kampf’s new generation of BSF slitting machines was developed to significantly improve the comprehensive processing and safety aspects of this complex key component of LIBs.

Kampf uses its more than 10 years of experience in slitting and winding all types of Battery Separator films to develop efficient, productive, and compact world leading primary slitting machines.

  • Remarkably compact with ultra-short web paths

  • Optimal web handling and state-of-the-art digital tension control

  • Most modern slitting technologies under consideration of highest quality aspects

  • Advanced web control for each finished roll (geometry/pull/nip/torque)

  • Intelligent design details for clean and hygienic production conditions

Technical Data

BSFSlitterMaterial: BSF- Battery Separator Film (WET – processed PE)
Material thickness: 5 – 20 µm
Material width: 3.500 – 6.000 mm
Original roll diameter: max. 700 mm
Finished roll diameter: max. 450 mm
Finished roll weight: max. 50 kg
Slitting system: blade cut, scissor cut
Slitting widths: 350 – 1.200 mm
Winding cores: 6″-, 8″, 10″ I.D.
Speed: max. 200 m/min

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