Page 50 - MACHINE TOOLS WORLD - September 2021

TECH INNOVATION

Precision machining of connecting rods

with JUNKER grinding machines

Linamar Powertrain GmbH produces connecting rods with extreme efficiency, and consistently fulfills the
OEM‘s quality requirements. With its quick retooling feature, the SATURN double surface grinding machine
from JUNKER is not only flexible, but also an economical and reliable solution for precision production of diverse
connecting rods.

s a globally operational partner to the automotive eleven million connecting rods each year. These are machined
sector, Canadian company Linamar develops and or even fully assembled in line with the OEM‘s requirements and
Amanufactures components and systems for drive drawing specifications.”
solutions from more than 60 locations around the world. The
23,000 m2 Linamar Powertrain GmbH plant in Crimmitschau, Efficient machining of connecting rods
Saxony, was established in 2010 and produces engine By means of a continuous grinding process, the SATURN
components such as connecting rods and transfer gears for all- machines connecting rods measuring up to 400 mm in length.
wheel drive vehicles. The connecting rods are carried to the machine via a conveyor
The connecting rods that are machined on the SATURN 915 belt. The workpiece carrier wheel constantly rotates and guides
are primarily used in petrol and diesel engines of between one the blanks to the vertical grinding wheels arranged with parallel
and three liters in size. André Schmiedel, Operations Manager faces. The end faces of the connecting rods are machined
for Linamar Powertrain GmbH explains: “We have a total of synchronously and the intelligent measuring systems ensure
six production lines installed, which can produce in excess of perfect end dimensions.

46 MACHINE TOOLS WORLD SEPTEMBER 2021 www.mtwmag.com