HTW Systems designs and builds winding machinery for manufacturers who need coils produced to the same specification every time. The range covers transformer, motor, inductor and toroidal winding, in both standard machines and configurations built around a customer's own process.
The work is unglamorous and exacting. A winding machine that is a fraction out on turn count, tension or layer pitch does not fail loudly — it produces coils that pass inspection and fail in service months later. Everything we build is aimed at removing that variability from the shop floor.
Machines are specified with the operator in mind: clear controls, accessible tooling and documentation that makes the first production run straightforward rather than a training exercise.
Coil winders. Single- and multi-spindle machines for round and rectangular wire, with programmable turn counts, layer pitch and automatic wire guides.
Transformer winding lines. Machines sized for low-voltage and distribution transformer coils, with tension control matched to the conductor and interlayer insulation feed.
Motor and armature winders. Equipment for stator and armature work, including tooling that can be changed between batches without stripping the machine.
Toroidal and inductor winders. Ring-core machines for components where even distribution around the core determines the electrical result.
A machine order starts with the coil, not the catalogue. We ask for the wire gauge, the core or former, the turn count, the tolerance the finished component has to hold, and the throughput the line has to sustain. Those five numbers determine almost everything else, and getting them written down before anything is quoted prevents the two most common disappointments: a machine that is faster than the process needs, and one that cannot hold the tolerance the drawing requires.
From there we confirm the configuration, build, and run the machine against sample coils before it leaves. Installation, commissioning and operator training happen on site, and the handover is not considered complete until the customer's own staff have run a production batch unaided.
Quality control runs through material selection, machining tolerances, assembly and final testing rather than sitting at the end as an inspection step. Machines are tested with the wire and core the customer will actually use, because a winder that performs on 0.5 mm copper is not automatically a winder that performs on 0.08 mm.
The same principle applies after delivery. Wear parts — guides, tensioners, collets, belts — are treated as consumables with known service intervals, and we keep them available so a worn guide never becomes an unplanned shutdown.