GraebenerWeld Seam Preparation
Long Seam Milling Machines
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Long Seam Milling Machines
Graebener
Features
- Milling instead of gouging or grinding: usability studies show cost benefits of more than 50 percent.
- Underground design (GLF): milling in the 6 o'clock position, 45 and 55 kW, depths to 150 mm, outside diameter 406-15,000 mm, pipe weight up to 150 t.
- Overground design (GLF-O): lateral milling in the 4 o'clock position, 55 and 75 kW, depths to 100 mm, outside diameter 2,000-15,000 mm.
- Milling speed of up to 1,200 mm per minute.
- Precise seam tracking at the control screen thanks to an integrated camera.
- An intelligent copying system holds the seam depth constant even where the pipe supports are uneven.
- The Graebener® turning device positions cones and cylinders up to 15 m in diameter without a crane.
Long Seam Milling Machines
Specifications / Models
Machine concepts
On the basis of the following machine concepts we find the optimum solution for you:
- Milling position: 6 o'clock position
- Capacities: 45 kW and 55 kW
- Milling depth: up to 150 mm
- Individual pipe length: 1,500 - 18,000 mm
- External diameter: 406 - 15,000 mm
- Pipe weight: up to 150 t
- Also suitable for a weld seam preparation of a butt weld in case of joined straight plates
- Milling position: laterally, in 4 o‘clock position
- Capacities: 55 kW and 75 kW
- Milling depth: up to 100 mm
- Individual pipe length: 1,500 - 4,300 mm
- External diameter: 2,000 to 15,000 mm
- Pipe weight: 100 t
- Ground level installation above floor
Source: the manufacturer's product page
Product Description
The basis of a good weld seam is good weld preparation. The Graebener® long seam milling machine was developed for exactly that. It prepares the longitudinal seams of pipes, vessels and apparatus economically, reliably and safely, at milling depths of up to 150 mm. More than 100 customers on four continents already work with this machine technology.
Additional Documents
Industries this machine is used in
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