Alpha series – flange machining
Sygma Alpha-I 30-80 flange facing machine
Heavy-duty flange facing machine for large flanges, from 22 to 84 inch
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BrandSygma
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MachiningFlange machining
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ClampingInternal (ID)
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Clamping rangeØ 736 – 2,139 mm (29 – 84″)
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Machining rangeØ 550 – 2,139 mm (22 – 84″)
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DrivePneumatic
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Machine weight530 kg
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Available forBuy, Rent
The Sygma™ Alpha-I 30-80 machines large flanges from Ø 550 to 2,139 mm (22 to 84 inch). It clamps internally in bores from Ø 736 mm. With the ION-4 gearbox, backlash-free drive and NO-ROW™ clamping feet it stands firm, even during heavy cutting.
Like all machines in the Alpha series, the Alpha-I 30-80 is available with different, interchangeable drives. Thanks to the modular design you can also quickly and easily convert an Alpha-I for orbital milling, with the Legacy milling unit.
Does the standard version not meet your requirements, or would you like to rent the machine for one job? Contact us; we will be happy to discuss the possibilities.
Features
Quick to set up, easy to operate
Plug & play: the machine is quickly mounted on the flange and can be operated without extensive instruction.
Automatic toolpost
360° rotatable, with built-in end-of-stroke limiter top and bottom.
ION-4 gearbox
Heavy-duty gearbox, developed by Sygma itself: high torque and zero backlash.
NO-ROW™ clamping feet
Sygma's NO-ROW™ clamping feet fix the machine stably and with low vibration in the flange bore.
Optimum stability
The high torque and firm clamping ensure smooth, accurate machining.
Zero backlash
The drive works without backlash, for a crisp and accurate face.
Built-in safety features
The safety features are integrated into the design of the machine.
Adjustable clamping feet
For quick and exact alignment on the flange.
Multiple drives
Available with different, interchangeable drives, so you can handle any job on site.
Adaptable to your application
Doesn't the standard configuration suit your job? Sygma supplies options and custom solutions; we are happy to think along.
Applications
Machining flange faces
Restoring flange gasket faces to flat and the right finish, on site.
RTJ grooves
Machining or repairing ring type joint grooves.
Seal grooves
Making or repairing grooves for O-rings and other seals.
Weld preparation
Preparing pipe and flange ends for welding.
Heat exchangers
Repairing gasket faces of heat exchangers, with the optional back-facing and mounting plate kits.
Orbital milling
With the Legacy milling unit you quickly convert an Alpha-I for orbital milling of large surfaces.
Technical data
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MinimumØ 736 mm (29″)Clamping range
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MaximumØ 2,139 mm (84″)Clamping range
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MinimumØ 550 mm (22″)Machining range
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MaximumØ 2,139 mm (84″)Machining range
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Max. swing diameterØ 2,163 mmMachining range
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Crate dimensions1,520 × 1,160 × 670 mmDimensions and weight
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Weight of complete crate707 kgDimensions and weight
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Machine weight530 kgDimensions and weight
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Machine height545 mmDimensions and weight
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Pneumatic motor1,700 W (2.28 pk)Drive
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Air consumption3,600 l/minDrive
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Supplied as standardTool kit
Transport case
Air caddy (air treatment for the motor)
Lifting equipment
CE certificate
ManualScope of delivery
Accessories
Automatic toolpost
360° rotatable, with built-in end-of-stroke limiter top and bottom.
Back-facing kit for heat exchangers
For machining the back of tube sheets and flanges of heat exchangers.
Mounting plate kit for heat exchangers
Extension for external clamping
Orbital milling unit
Only with certain configurations.
Remote control
Only with certain options.
