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Nacelle Skeleton Frames

Renewables · Wind

Nacelle Skeleton Frames

The tube frame under a wind turbine’s nacelle casing: portals bent with rounded corners, tied by rails, braced and bolted to the bedplate.

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Allmarc 3D model · to scale

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How it is built.

Scroll: the camera moves to each part in turn and ends on the exploded view. Drag to turn it round yourself.

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The frame inside the casing

The nacelle casing hangs on a frame of tube. Its bends have to match the casing exactly.

Scroll to see how it is built · drag to turn it round

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Bent portals

Each portal is bent from tube with rounded corners on the CNC pipe bender, then welded in a jig.

How is it possible at Allmarc?

CNC pipe bending in the Allmarc works

Used here for: Bent portals

CNC pipe and tube bending

All our machinery

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Rails

Base, mid and top rails tie the portals together and follow the casing where it steps down.

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Bracing and feet

Diagonals in the side bays, and feet plates that bolt to the bedplate.

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Every part, apart

Portals, rails, bracing and feet.

Why Allmarc

Experience you can trust.

We fabricate to your drawings and prove the fit in our own bay before anything ships. Open any line for the detail.

Talk to an engineer

Repeat parts, identical

Laser cutting, CNC punching and robotic welding, so the 1,000th table bolts up like the first.
Jigs and fixtures made in house for every repeat part.

Heavy and light, one roof

Rolled plate and heavy sections for fixtures, skids and gantries.
Light-gauge, punched parts for structures and walkways.

Access we make ourselves

Grip-Strut: the only maker in India, planks up to 8 m.
R13 anti-slip, 40% lighter than bar grating.

Scale for a pipeline of sites

4 plants at Kanbha; about 6,000 T a month from November 2026.
Clients include Adani Renewables, Adani New Industries, Suzlon Energy and Kee Safety.

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