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Double Twist Bunchers

Sampsistemi supplies a complete range of double-twist bunchers to strand copper, aluminium and relevant alloy wires and lay up insulated conductors.
Sampsistemi bunching machines guarantee best product quality in high performance lines.
Our double-twist bunching machines are designed with a view to produce less stressed strands at increasingly higher speeds, i.e. to produce more efficiently and with higher quality.

Advantages at a glance:

  • Compact design;
  • Low energy consumption thanks to high performance motors and bows;
  • Large diameter ceramic rotor pulleys for maximum strand quality;
  • Accurate control of take-up pull and of the main machine functions;
  • Limited number of brush collectors;
  • Sampsistemi tube-type closed bows available (better resistivity and lower consumption).
Standard double-twist bunching machines BM 800, 630, 560, 355
The Sampsistemi double twist bunching machines are easy-to-maintain, high-performance and compact machines with low consumption rates. All machines are equipped with PLC control. Sampsistemi bunching machines are completed by a specific range of motorised static and dynamic pay-offs, as well as equalizers and compacting devices.
Advantages at a glance:

  • Operator panel with “real time” process data;
  • Open or closed bows;
  • Constant lay-length (gear type);
  • Pneumatic pintles;
  • Motorised wire-guide adjustment;
  • Load cell;
  • On-board control panel available;
  • Plug and play;
  • Mechanic traverse;
  • (UHING type);
  • Low maintenance (reduced wearable parts).
High performing double-twist bunching machines BM 1250
Advantages at a glance:

  • Wide range of production for bare copper, aluminium and insulated cores;
  • Large pulleys diameter for high quality production;
  • High performances (up to 2000 tpm);
  • Minimum cross section: 1 mm2;
  • Compacting up to 50 mm²;
  • Constant tension control by dancer;
  • Wireless transmission of internal data and signals;
  • Cradle with drives cabinet and hydraulic unit on board.
TC/TD double twist bunching machines series
Advantages at a glance:

  • Single bow design;
  • GreenBow 2+ technology;
  • Low energy consumption;
  • Bluetooth data transmission;
  • Reduced maintenance.
TC: motorized driven capstan / TD : change gear capstan TBM:
special application with Mica taping *
Type TC 560 i TD 630 EC(1) TC 630 i TD 630 i TC 760 i TD 760 i TC 800Ni TD 800 Ni TBM 630 i TBM 800
Bobbin size [mm] 560X480 630x475 630x475 630x475 760x432 760x432 800x600 800x600 630x475 800x600
Line speed [m/min.] 200 300 300 300 300 300 300 300 240 240
Geared speed [twists/min.] 7000 6000 6500 6500 5000 5000 5000 5000 4500 4000
Cross section Flexiblebunch/strand [mm²] 0.055 – 2.5 0.09 – 6 0.09 – 6 0.09 – 6 up to 16 up to 16 up to 16 up to 16 – –
Cross section 7 up to 19wires [mm²] 0.055 – 2.5 0.09 – 4 0.09 – 4 0.09 – 4 up to 10 up to 10 up to 10 up to 10 0.5 – 2.5 0.5 – 6.0

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