Products
When perfection in small parts makes a big impact
Our broad production range covers a wide variety of high-quality products, including electrical insulation materials as roll goods or as insulation parts such as slot wedges, slot liners, phase separators, stamped, bent and formed parts, produced with a high degree of flexibility and enthusiasm for innovative technologies.
Insulation parts
Stamped and formed insulation parts for stators and rotors.
Slot Liners for Electric Motor Stators
Slot liners separate the winding from the core and prevent flashovers in the stator slot.
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Slot Wedges and Slot Closures
Slot wedges close the slots in rotor or stator after winding and are also called slot caps.
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Field Coil Insulation for Universal Motors
Field coil insulation sits in the stator of universal motors and power tools.
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Armature Insulation for an Exact Fit
Armature insulation typically features four embossed lines for an exact fit in the core.
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Stamped and Bent Insulation Parts
On efficient eccentric presses we stamp and bend insulation parts to size.
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Cut Parts and Cover Strips
Cut parts, often used as cover strips in the slot, are among our standard tasks.
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Phase Separators
Phase separators are stamped from flexible insulation and usually have rounded outer geometries.
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Custom Parts for Demanding Insulation Systems
For particularly demanding insulation systems we produce custom parts.
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Turn Insulation for Air-Cooled Generator Rotors
Turn insulation separates the copper turns in a generator rotor and guides the cooling air through slots.
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Slot Wedges from Glass Fibre Laminate
Slot wedges close the stator slot mechanically and hold the winding securely under high forces.
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Fringed Insulation Tapes for Radii and End Windings
Fringed tapes are insulation strips with notched edges that lie flat around radii and curved surfaces.
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Insulation materials
The following materials are available in all common thicknesses, sorted by thermal class (DIN EN 60085).
Pressboard for Transformers and Electric Motors
Pressboard is a natural product made from cellulose fibres and has been used in transformer and motor construction for many years.
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Polyester Film Mylar Type A
Polyester films such as Mylar A are based on polyethylene terephthalate and offer outstanding physical, chemical and electrical properties.
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Pressboard PET Pressboard Laminate
This three-layer laminate consists of polyester film with pressboard on both sides.
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DMD Laminate of Fleece and Polyester Film
DMD is a three-layer laminate of polyester fleece, polyester film and polyester fleece.
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NPN Laminate of Nomex and Polyester Film
NPN is a three-layer laminate of Nomex, polyester film and Nomex.
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NKN Laminate of Nomex and Kapton
NKN is a three-layer laminate of Nomex, Kapton and Nomex.
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Nomex 410 Aramid Paper
Nomex 410 by DuPont is the original aramid paper.
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Kapton Polyimide Film for Extreme Conditions
Kapton HN by DuPont is a high-performance film for extreme conditions.
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Hauler & Hermann also processes self-adhesive materials, prepregs, PEEK films, pressboard, mica tapes and nonwovens. Have you not yet found a suitable supplier for your material? Simply talk to us.
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We develop custom solutions for your application.