SZ Stranding Machine

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SZ stranding machine for a tandemized stranding and sheathing process up to 5 insulated cores.
The SZ machine is assembled on a long table frame support and is composed by 16 motorized lay plates.
Each single lay plate is individually driven by an independent high dynamic servomotor via a timing belt transmission.
The servomotors are extremely low inertia type resulting in remarkably short reversal points.
The SZ machine is equipped with a “built-in” silicone oil applicator, a compact and clean solution which replaces the traditional talc powder applicator.
The line is completed with an inlet over speed pulling capstan to guarantee a low stranding tension fluctuation and a torsion blocker caterpillar.
HMI+PLC control system for pre-setting stranding pitch, twist direction and speed synchronization.

Model	SZ-16	SZ-20
Number of cores [units]	2/3/4/5
Cores cross section [mm²]	0.75 – 10
Max. single core diameter [mm]	6
Finished cable diameter [mm]	5.1 – 17
Laying pitch [mm]	100 – 350 (±5mm)
Max number of twist in one direction	16 (± 8)	20 (± 10)
Max. stranding speed [rpm]	± 1800
Number of stranding plates	16	20
Line speed [m/min]	300

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Laying Up Machine for 3-5 Power Cables