16/11/2020 – Wire processing / Rolling
Rolling of variable-diameter wire rod
The booming electric bike market requires new manufacturing processes for bicycle spokes. Aachener Maschinenbau GmbH (AMBA) developed the new spoke-blank reducing machine “DD-350”. Rolling provides high degree of flexibility in the manufacture of spoke blanks.
Double thick end spokes, which are thinner in the middle than at the ends, are mainly used for high-end bikes. © Aachener Maschinenbau
The new machine produces double thick end spokes with a diameter of only about 1.5mm in the middle. © Aachener Maschinenbau
Double thick end spokes, which are thinner in the middle than at the ends, are mainly used for high-end bikes. © Aachener Maschinenbau
Double thick end spokes, which are thinner in the middle than at the ends, are mainly used for high-end bikes. © Aachener Maschinenbau
AMBA’s all-in-one machine only requires one process step to form finished pinned joints directly from the cut wire rod. © Aachener Maschinenbau
AMBA’s all-in-one machine only requires one process step to form finished pinned joints directly from the cut wire rod. © Aachener Maschinenbau