SIGMA 688 ST

Twister

Overview

The fully automatic Sigma 688 ST not only twists precise wires, but also automatically fixes both wire ends in the same process step for transport and further processing.

The Sigma 688 ST automatic twisting machine enables the processing of wires, to twisting, to fixing the open wire ends in just one device. In this way, it meets all OEM quality requirements in a fullyautomatic overall process. The modular system structure offers maximum flexibility with six stations for process modules such as crimp or seal elements, as well as a twisting process and a spot taping unit consisting of two spot taping modules. The quality remains high due to integrable safety systems such as the Q1250i, and the fixing of both open cable ends enables dimensionally accurate work in downstream process steps. The Sigma 688 ST offers reproducible high quality with short set-up and changeover times.

Features

Precise twisting even for wires with short, open ends

If short, open ends are required for further processing of the wires, these are also precisely manufactured– even with different open wire ends.

Quality assurance by means of ACD incision monitoring

The optional high-precision fully automatic incision monitoring detects the smallest contact between the blade and conductor strands when processing copper and aluminum cables.

Reproducible processes thanks to adjustable parameters

Reproducibility is important for efficient production. That's why the changing of wires is ensured by clearly readable and precisely adjustable parameters.

Specific wire assembly for the highest demands

Sigma 688 ST handles the entire wire end processing with a high level of process reliability and stability and produces, for example, bundled UTP wires in OEM quality.

Technical Data

SIGMA 688 ST 4 M SPECIFICATIONS
Specification name	Specification value
Wire length, processing on both sides min.	700 mm
Wire length max.	4000 mm
Strip length side 1 min. (Processing set for short open ends)	0.1 mm
Strip length side 1 max. (Processing set for short open ends)	18 mm
Strip length side 2 min. (Processing set for short open ends)	0.1 mm
Strip length side 2 max. (Processing set for short open ends)	28 mm
Strip length side 1 min. (Processing set for open ends, standard)	0.1 mm
Strip length side 1 max. (Processing set for open ends, standard)	18 mm
Strip length side 2 min. (Processing set for open ends, standard)	0.1 mm
Strip length side 2 max. (Processing set for open ends, standard)	35 mm
Wire cross section min. (Processing set for short open ends)	2 × 0.22 mm²
Wire cross section max. (Processing set for short open ends)	2 × 1.0 mm²
Wire cross section min (Processing set for open ends, standard)	2 × 0.22 mm²
Wire cross section (Processing set for open ends, standard)	2 × 2.5 mm²
Wire cross section min. (Processing set for long and different ends on side 1)	2 × 0.22 mm²
Wire cross section max. (Processing set for long and different ends on side 1)	2 × 1.0 mm²
Wire cross section, customer-specific, optionally with feasibility test as of	0.13 mm²
Open wire ends min. (Information without end processing, processing set for short open ends)	15 mm
Open wire ends max. (Information without end processing, processing set for short open ends)	99 mm
Open wire ends min. (Information without end processing, processing set for open ends, standard)	30 mm
Open wire ends max. (Information without end processing, processing set for open ends, standard)	99 mm
Open wire ends min. (Processing set for long and different ends on side 1)	30 mm
Open wire ends max. (Processing set for long and different ends on side 1)	125 mm
Lay length min.	5 mm
Lay length max.	80 mm
Stroke length accuracy	Accuracy: ±10%, max. 5mm per pitch on average over 10pitches
Spot tape position	Last intersection point (default position) of 0.0mm - 80mm in direction of center of wire
Wire draw-in speed	5 m/s
Wire length, optional	700– 4000mm optional as of 150mm end length of twisted wires (with activated spot taping modules from 300mm)
Length accuracy	± 0.1% + 1 mm
Seal diameter max. (Processing set for short open ends)	5.5 mm
Seal length max. (Processing set for short open ends)	11 mm
Noise level (without crimp modules) max.	80 dB
Electrical connection	3 × 208 - 480V, 50 - 60Hz, 10kVA
Wire protection/ground	32
Compressed-air connection	5 – 8 bar
Air consumption (depending on configuration) min.	5.5 m³/h
Air consumption (depending on configuration) max.	13.2 m³/h
Network connection	Ethernet
Recommended operating pressure ±0.5bar/7.25psi	6 bar
Operation outside the recommended operating pressure	Non-compliance with the recommended operating pressure can prevent peripheral devices from functioning completely correctly. Please also observe the technical data for peripheral devices. The maximum permitted operating pressure depends on the ambient temperature: 6.5 bar to 40 °C/6 bar at 40 °C and above
Weight (approx.)	2800 kg
Length	8516 mm
Width	1780 mm
Height (with safety cover closed)	1985 mm
Height (with safety cover open)	2865 mm
Minimum clearance around equipment for maintenance work	1500 mm
Floor load capacity	500 kg/m²
Floor conditions	Flat, stable, clean and vibration-free support surfaces. The support surface for machine load points must be a continuous base plate of concrete. No expansion joints between machine load points. Support surface non-slip. No plastic or asphalt coatings.
Ambient temperature min.	10 °C
Ambient temperature max.	45 °C
Humidity, non-condensing	30 – 90 %
Processing outside the specifications	Processing outside the specifications upon request. In case of doubt, we will be happy to provide processing samples for your wires.
Hard, tough wires	In the case of extremely hard, ductile or thick-stranded wires, processing might not be possible even within the cross section range. In case of doubt, Komax will be happy to provide processing samples of your wires.
Producible parameters	Producible parameters depend on pitch, outer diameter and end processing. The producibility can be verified with the producibility check software or with a feasibility test.

Downloads

Sigma 688 ST