Underpinners - Frame Assembly Machines

Sold under the Alfamacchine and AMP brands, the U-Series Product Line provides mitre joining solutions from manual entry level to fully automatic, multi-channel unit for high production output. Handles joining applications found for picture frames, canvas stretcher bars, mirrors, windows, door trim and exterior moulding trim. U-Series Product Line is commonly referred to as Underpinners, Backnailers or Joining Machinery depending the industry sector.