Heavy-duty helix couplings W6AK 2538, W6AK 3258 and W6AK 3867 made of aluminium

We offer these heavy-duty helix couplings for higher power requirements. With diameters of 25, 32 and 38 mm, installation lengths of 38, 58 and even 67 mm can be realised. These 6-helix variants enable maximum performance in these installation spaces! The aluminium couplings are manufactured in one piece and designed with clamping hubs. They offer high torsional stiffness with medium restoring forces and have a vibration-damping effect.

Also compare the smaller variants W6AK 1020/1323/1625/1928 or the single-screw variants of our helix couplings.

Note: In addition to these aluminium versions, we also offer stainless steel versions such as the W6XK 2538.

Technical data - Heavy duty helix couplings

Technical data		W6AK 2538	W6AK 3258	W6AK 3867
max. speed	min-¹	5.000	5.000	5.000
max. torque	Nm	10	15	22
max. offset of shafts
radial	mm	± 0,37	± 0,50	± 0,60
axial	mm	± 0,25	± 0,25	± 0,25
angular	Grad	± 7	± 7	± 7
torsion spring stiffness	Nm/rad	70	125	200
radial spring stiffness	N/mm	80	60	70
moment of inertia	gcm²	33	147	319
max. claming torque	Ncm	80	150	400
temperature range	°C	-40/ +140	-40/ +140	-40/ +140
weight appr.	g	33	93	141
material	aluminium