MILLING MACHINES FOR
CYLINDER HEADS AND BLOCKS
SM1000 – SM1300
on its experience in the cylinder head and block reconditioning field,
Berco has developed a new product, specially designed to satisfy
increasingly demanding user needs. In this specific field, there has
been a growing tendency in recent years to switch from grinding with
abrasive sectors to milling, using special CBN and PCD round inserts
that are able to work at higher cutting speeds and without coolants.
This kind of system
reduces machining times considerably, whilst at the same time
guaranteeing a high-grade surface finish with roughness levels
comparable to those obtained with grinding.
In the design and
construction of this new product, Berco, as always, has paid great
attention to the quality of the materials and components used, with
particular reference to the very sturdy cast iron frame and the
worktable and head movement mechanisms with their high-precision
recirculating ball screws, which, thanks also to the special drives,
powered by direct current motors, allow extremely precise worktable /
workpiece feed speed setting and milling cutter positioning.
As well as the
features described above, the milling cutter rotation speed on all these
machines is continuously variable from a minimum of 200 RPM to a maximum
of 1900 RPM, so that the cutting speed can be set according to the kind
of material being machined. Both the SM 1000 and SM 1300 versions are
fitted with a 406 mm (16”) diameter milling cutter, to which two insert
holder cartridges with the corresponding round inserts (CBN – PCD) can
be fitted. In order to cater for varying user needs, Berco has made two
machines versions, the 1000 and the 1300: SM 1000M – SM 1300M (manual)
and SM 1000A – SM 1300 (automatic).