END CUTTING TOOL MOVEMENT
Eliminating micro creep helps manufacturer boost productivity, reduce scrap
Recently Metelix, a Brampton, Ont.,
custom manufacturing company, had
an obvious problem with micro creep,
movement of the cutting tool when it
is clamped in the toolholder. The evidence was in the full scrap bins and
the high number of pieces going back
to be remachined.
Productivity was down so General
Manager Mike Monge was looking for
an answer to stop the cutting tools
from pulling out, pushing back, or
moving in their chucks.
Much of the company’s work is for
the automotive industry, and delays
can spell disaster.
The company tried hydraulic holders, but the cutting tool movement
continued. Not only that, productivity still suffered because the bulky
hydraulic holders didn’t offer the
clearances needed for vertical walls or
Monge’s micro creep problem ended
when the company added Haimer’s
Safe-Lock™ system, a clamping tool
specifically engineered to enhance
When combined with the frictional
clamping forces of the particular
clamping system already in use, this
system delivers a high level of positive
locking force in the toolholder. This
is achieved by the use of special drive
keys in the chuck and grooves of the
tool shank that prevent the milling
cutter from spinning during extreme
“[We no longer] remachine to remove
additional material or repeat jobs
due to imperfect cuts. The shrink
fit chucks also are tapered and a lot
smaller in diameter, so we can go in
deeper and closer to the material. Now
we can even go down a straight wall,”
The turnaround on the line also has
never been better.
Metelix, 905-495-2374, www.metelix
Haimer USA, 630-833-1500, www.
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Machining Turning Mill/Turn Wire-EDM
CdnMetal_Feb_Gibbs.indd 1 2016-01-12 10:26AM
Micro creep (movement of the cutting tool
when it is clamped in the toolholder) or
even pullout can occur if the tool is not
securely held in its holder.