NORMAL SERIES (S-TORQUE)

Spur Gears – Nylon (S-Torque) – Module 1

Spur gears in glass fiber reinforced PA6: precise, lightweight and quiet transmission for industrial applications.
With versions from 10 to 160 teeth, module 1 offers the widest range in the S-Torque series. Pitch diameter ranges from 10 to 160 mm and bores from 4 to 20 mm are available, making it easy to find the right gear ratio without machining.
It is suited to light automation, vending machines and small machinery, with torque from 2.04 to 32.77 Nm.

starting from 3,00 € VAT excluded

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Polyamide-based technopolymer (PA6) reinforced with glass fibre, colour: grey. High mechanical stiffness, good impact resistance and continuous service temperatures up to 100 °C. With a tensile strength of 176 MPa, an elastic modulus of 8,500 MPa and a melting temperature of 220 °C, this material delivers high structural performance even under demanding operating conditions.

The maximum transmissible torque shown in the table was determined using a proprietary Stagnoli methodology, combining theoretical calculations with experimental data from fatigue testing on the gears. For low-speed applications (< 100 RPM), static loads or low duty factors, the permissible torque can increase by up to 50% over the tabulated values. The tooth profile complies with ISO 21771-1. Technopolymer spur gears can mesh with a steel counterpart, with or without lubrication, maintaining reliable performance while reducing wear and transmission noise.

Injection moulding in glass-fibre-reinforced PA6 technopolymer. The process ensures high dimensional repeatability, precise geometries and a uniform surface finish, with competitive unit costs compared with machining from solid bar stock. The material retains full machinability: boring, turning and finishing can be carried out on request, exactly as on a component machined from cast or extruded bar, making it ideal for industrial applications and precision couplings.