Diamond Drilling Systems. - Hilti
Diamond Drilling Systems. - Hilti
Diamond Drilling Systems. - Hilti
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<strong>Diamond</strong> <strong>Systems</strong><br />
<strong>Diamond</strong> Blades<br />
Damage to steel centre<br />
195<br />
Problems, malfunctions and their cause<br />
Problem Cause Solution<br />
Blue discoloration on steel centre Blade overheated due to insufficient water Ensure adequate water supply<br />
and segment supports<br />
Lateral friction caused by wandering Reduce advance speed<br />
off course<br />
When the layer is cut right through with the Set cutting depth to a few millimetres<br />
floor saw, the cooling water escapes from less than the total thickness of the layer<br />
the cut and the saw blade overheats so that the water stays in the cut<br />
Cracks in steel centre Saw blade overloaded, segment specification Select segment specification to suit<br />
too hard machine power output and material to<br />
be cut<br />
Cutting pressure too high, binding or Advance blade evenly and avoid<br />
twisting of the blade in the cut binding and twisting<br />
Spindle speed too high Reduce spindle speed<br />
Overheating caused by inadequate Ensure adequate water supply<br />
water supply<br />
Blade wanders off course Blade has lost tension Retension steel centre (wallsaw blades)<br />
Blade “pushed” too hard Select segment specification to suit<br />
machine power output and material<br />
to be cut<br />
Segments have lost cutting power Dress segments by cutting abrasive<br />
(segments are polished) material (e.g. sandstone or the <strong>Hilti</strong><br />
sharpening plate, or make a shallow cut<br />
in concrete using a little water<br />
Machine not correctly secured or adjusted Fasten machine securely and adjust<br />
correctly<br />
Signs of abrasion / scraping on steel centre Dirt etc. on clamping flange (saw blade Clean the clamping flange<br />
or discoloration due to overheating not clamped correctly)<br />
Steering movements too sharp / too sudden Guide the machine correctly<br />
Blade wobble Blade has lost tension Retension blade (wallsaw blades)<br />
Spindle speed or peripheral speed too high Use appropriate specification for the machine<br />
Saw blade stored incorrectly causing bending Mount blades on a mandrel for storage<br />
Mounting hole worn / enlarged Drive spindle badly worn due to incorrectly Saw blade must be seated correctly<br />
seated saw blade on the spindle before tightening<br />
the flange<br />
Flange not tightened correctly, blade rotates Use a wrench to tighten the clamping<br />
on the spindle (slips) nut properly<br />
<strong>Hilti</strong>. Outperform. Outlast.<br />
www.hilti.co.uk | 0800 886 100<br />
www.hilti.ie | 1850 287 387
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