The company Aachener Maschinenbau (AMBA) was founded in Aachen in 1908. About 50 years ago AMBA started manufacturing machines for production of spokes and nipples for bicycles and motorbikes. Based on these products the first AMBA boltmaker was developed.
Today AMBA boltmakers and other cold forming machines are found in the fastener industry worldwide. Main advantage of AMBA boltmakers is their modular set-up which combines heading and threading in one machine including the possibility of two different threads on the blank. A full-size AMBA BM 12 for example includes cutting, heading, extruding, pointing and threading for screws and bolt up to ½" in diameter and 60" in length. A high-speed AMBA 68 for screws size ¼" x 10" is capable to produce up to 230 ppm.
The first flat die thread roller worldwide to produce full threaded screws up to 600 mm (24") in length was developed in 2005. This machine can be equipped with dies up to 12" in length. Currently AMBA is projecting a new generation of flat die thread roller with dies up to 24" in length.
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