Underpinners
Solid frame assembly for professional picture framers
Once your mouldings are cut, it's time to join them together. Cami is the exclusive distributor of Alfamacchine frame assembly machines in Belgium and Luxembourg — offering world-leading underpinners and v-nailers with an unbeatable price-quality ratio. For the strongest possible frames, combine a quality wood adhesive with Alfamacchine's V-Nails — special silicone-coated wedges available in various heights and sharpnesses for all types of wood. And with a unique factory guarantee of one million wedges on driver and hammer wear, you can count on long-term reliability.
Seven models — from entry-level to fully automated
-
U200P: A simple, entry-level frame stapler that requires no compressor. Ideal for smaller workshops or occasional use.
-
Alfamacchine U200: A basic foot-operated model requiring no compressor. Features horizontal and vertical clamping and double locking for high-precision joins — all the key characteristics of a larger assembly machine in a compact format.
-
U300 (Minigraf 3): The simplest fully pneumatic joiner in the range. Operated by a pneumatic foot pedal and provides horizontal and vertical clamping. A reliable bench-top model for everyday use.
-
Alfamacchine U400S (Minigraf 44): The most popular pneumatic assembly machine in our range. Staples frames in more than two positions simultaneously, operated intuitively via joystick. Suitable for hardwoods thanks to its pneumatic pressure drive.
-
U400 (Minigraf 144): Features reusable staple magazines for faster and easier loading. Maximum frame width of 200 mm.
-
Alfamacchine U500 (Minigraf MP): An electronic underpinner with a computerised memory programme that stores the data from all your frames, saving significant time in a busy workshop.
-
Alfamacchine U600 (Minigraf MC): The top of the range. Fully automated and programmable, with six staple magazines and Multi Channel speed. The ideal choice for custom framing services handling high volumes.
Order your joiners or underpinners now
Once your mouldings are cut, it's time to join them together. Cami is the exclusive distributor of Alfamacchine frame assembly machines in Belgium and Luxembourg — offering world-leading underpinners and v-nailers with an unbeatable price-quality ratio. For the strongest possible frames, combine a quality wood adhesive with Alfamacchine's V-Nails — special silicone-coated wedges available in various heights and sharpnesses for all types of wood. And with a unique factory guarantee of one million wedges on driver and hammer wear, you can count on long-term reliability.
Complete your workshop
An underpinner is just one part of a well-equipped framing workshop. Also discover our range of saws and guillotines, cutters, mountcutters and laminators & presses.
Not sure which model is right for your workshop?
Our specialists are happy to advise you. Make an appointment and we'll find the right underpinner for your needs, including professional installation and after-sales servicing.
Also discover our range of saws and guillotines, cutters, mountcutters and laminators & presses.



