Expected
life and the recommended care for the tool:
Tools
intended for machining by rotary shear are designed for materials with the
maximum strength of Rm up to 600 MPa / 87.022 PSI.
Upon
the compliance with all conditions specified in the instruction manual, the
tool life may be up to 4.000 m / 13.123 ft and more.
Reallisticaly the life is about 2.000 – 3.000 m / 6.561 – 9.842
ft. A tool life is unfluenced by several factors:
Material
and its preparation
As
already mentioned i tis necessary to adhere to the maximum strength of the
machined material.
When
bevelling materials with higher than allowable strength the tool life rapidly
decreases, but there is also a risk of the destruction of the tool or damaging
the drive unit.
The
tool life can also be affected by the proparation of the material before
machining. If the material at your workshop is cut by burning, you shoud clean
the edges intended for bevelling by angle grinder.
When
burning, especially when plasma burning, edges of the material might be little
bit hardened.
This
can have a significant impact on the ultimate tool life.
Care for
tool
Also
the maintenance of the tool and especially the care for the tool has
significant influence on the life of the tool.
During
bevelling, it is important to check sharpness of the tool on a regular basis
and if it is blund, it is necessary to sharpen it immediately.
If
you continue to work with a blunt tool chipping or destruction of the tool
might occur.
Working
procedure
Also
the machining procedure is important. This is thoroughly described in the
instruction manual. Generally, when implementing the maximum possible
reductions (bevel edge width) machining must be divided into two cuts.
This
whole issue is describec in detail in the machine user manual.
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