4. Parameter of main cage

4.2.1 Specifications of the bobbin the cage: Ø 400

4.2.2 Single input wire diameter: Ø 0.5mm～Ø 5.0mm

4.2.3 Max stranding OD: ≤Ø 25mm

4.2.4 Max rotation speed of stranding cage: 100/rpm (stepless adjustable)

4.2.5 Stranding pitch range: 10~180mm (stepless adjustable on touch screen)

4.2.6 Max linear speed: 27m/min (stepless adjustable)

4.2.7 Tension form: hysteresis tension

4.2.8 Detection of wire breakage: Electronic

4.2.9 Cage motor power:

• 6B cage: 30kW (AC motor)
• 12B cage :37kw (AC motor)
• 18B cage: 45kw (AC motor)

4.2.10 Protection form: double-sided fixed, wall fence

4.2.11 Twisting cage structure: It is composed of a main shaft, a cage, front and rear bearing seats, a wire reel frame, a wire splitter, etc. The axis of the wire reel frame is parallel to the center line of the main shaft, and a large K-series motor directly connected reducer is used to drive the twisting cage through a large toothed pulley. Each winch is connected to the main shaft through a flange type lock sleeve, with good overall stiffness, high coaxiality of the winch, and balanced operation of the winch cage.

4.2.12 The front end of the cage has a front support, and the main shaft is supported on the front and rear supports through two sets of double row self-aligning roller bearings. The front and rear supports of the cage are respectively supported by double row roller self-aligning bearings to ensure the bearing capacity of the axial movement of the cage. The cradle frame is arranged in 6 equal parts of each circle in the cage.

4.2.13 Twisting cage with a diameter of ≥ 273mm × Manufactured from hollow tube with a wall thickness of ≥ 40mm, with no joints in the connecting pipes; The winch is made of Q235 whole board CNC cutting, and the cradle frame (6; 6+6; 6+6+6) is equally divided, consisting of a structure arranged in first, second, and third gears; The centerline of the wire reel frame is parallel to the centerline of the main shaft, and a planetary gear reverse torsion mechanism is installed behind the winch to achieve 100% mechanical reverse torsion. The unwinding of the wire reel frame is connected to the unwinding gear through a spline unwinding shaft, which is not easy to roll keys and is safe and reliable. All transmission gears have undergone heat treatment, with high accuracy, low noise, and high mechanical strength.

4.2.14 The cradle frame is made of welded steel plates, CNC cutting of plates, and bending process. It has few welding positions, high bearing capacity, and overall annealing and boring processing, with high accuracy, fatigue resistance, durability, and no deformation.

4.2.15 Loading reel method: end shaft structure, manual end shaft clamping of wire reel, mechanical locking, safe and stable, not easy to throw out, convenient for loading and unloading of wire reel, and the wire reel is loaded into the cradle with the help of manual/crane.

4.2.16 The cradle adopts "hysteresis tension" control, with a tension of 5-80N. The tension of each disc is adjusted online to maintain uniform tension and easy operation.

4.2.17 The cradle is equipped with an "electronic wire breakage detection" wire breakage stop protection function, which is suitable for insulation wire core stranding to facilitate wire breakage and automatic shutdown after wire completion.

4.2.18 The main cage brake adopts a disc air pressure pneumatic brake, which is safe, reliable, and sensitive to braking.