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Non-Cylindrical Grinding Machine

BMW Motorrad uses the JUCRANK non-cylindrical grinding machine for different grinding operations on boxer crankshafts, which are used in the latest BMW two-cylinder boxer engines. The company has been using JUNKER CBN high-speed grinding machines for more than three decades and has 45 machines at five sites worldwide.

In-process measuring systems on these machines help ensure high process reliability and dimensional accuracy. The fully automated system measures the exact workpiece data and adjusts automatically during the grinding process if needed. This procedure reduces auxiliary process times and increases output.

Preventive Maintenance Assistance is the software-assisted solution from JUNKER. The online help system notifies customers of an upcoming maintenance or repair operation on the machine. Continuous monitoring of the results is possible with the new protocol manager. In addition, all data can be evaluated in freely selectable recording intervals.

Due to digitalization possibilities with partner 4JU, the digitalization of machines and systems can be precisely adapted to the needs of BMW Motorrad.

When service issues arise, the JUNKER experts can connect directly to the machine through a secure tunnel safely outside of the customer's network. The JUNKER experts quickly analyze the data and take all necessary measures.

It is possible to collect operating data in a user-friendly way with status determination, such as job start/end, ongoing updates and output. The advantage is that the entire production process can be monitored at any time and from anywhere.

The JUCRANK non-cylindrical grinding machines perform all grinding tasks on crankshafts accurate and in a single clamping set-up.

For more information contact:

Erwin Junker Machinery, Inc.

2541 Technology Drive, #410

Elgin, IL 60124


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