Get Maximum Bit life and Performance With Your Premium Tri Tool Bits

<span style=”border-width: 0 29pt 5pt 11pt; height: 12.9pt; top: 23.1pt; width: 406.5pt;”>Your purchase of high quality Tri Tool bits is the first step to ensuring that you produce </span><span style=”border-width: 0 10pt 5pt 11pt; height: 12.9pt; top: 40.5pt; width: 425.5pt;”>excellent machining results each and every time. In addition to well-crafted bits, the manner </span><span style=”border-width: 0 33pt 5pt 11pt; height: 12.9pt; top: 57.8pt; width: 402pt;”>and techniques of the use of the bits can make a significant difference. Factors such as </span><span style=”border-width: 0 92pt 15pt 11pt; height: 12.9pt; top: 75.1pt; width: 343.2pt; word-spacing: -0.04pt;”>surface cutting speed and feed pressure can greatly affect cutting results. </span>

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<span style=”border-width: 0 174pt 11pt 11pt; height: 12.9pt; top: 102.4pt; width: 261.9pt;”>The following guidelines will get you off to a great start.</span>
<table style=”border-collapse: collapse;” border=”1px” cellspacing=”10px” cellpadding=”10px”>
<tbody>
<tr>
<td>Primary Criteria</td>
<td>For stainless steels in general when no coolant is allowed.

For all heavy-wall tube and some chrome/molybdenum steels.</td>
<td>Mild steels and some thin-wall stainless steels when coolants are permitted and applied.</td>
<td>Thin-wall mild steel and tube with coolants.

Aluminum.</td>
</tr>
<tr>
<td>Surface travel per minute</td>
<td>200 in.</td>
<td>250 in.</td>
<td>300 in.</td>
</tr>
<tr>
<td>Surface travel per minute (Metric)</td>
<td>508 cm</td>
<td>635 cm</td>
<td>762 cm</td>
</tr>
</tbody>
</table>
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<h3>Basic Feed Recommendations</h3>
<span style=”border-width: 0 15pt 5pt 11pt; height: 12.9pt; top: 54.6pt; width: 429.3pt;”>Developing experienced tactile feed pressure awareness is something that assists all machine </span>
<span style=”border-width: 0 23pt 5pt 11pt; height: 12.9pt; top: 71.9pt; width: 422pt;”>operators in “feeling the cut” intuitively. The feel, appearance and sounds that occur during </span><span style=”border-width: 0 98pt 15pt 11pt; height: 12.9pt; top: 89.2pt; width: 347pt;”>cutting are all good indicators to help in determining an optimal feed rate.</span>

<span style=”border-width: 0 23pt 5pt 11pt; height: 12.9pt; top: 116.5pt; width: 421.1pt;”>You should have a full clear bit path before starting the cut, without contact with the work. </span><span style=”border-width: 0 11pt 5pt 11pt; height: 12.9pt; top: 133.7pt; width: 433.4pt;”>Start with a light pressure until a continuous cut is established. This is very important for long </span><span style=”border-width: 0 10pt 5pt 11pt; height: 12.9pt; top: 151.1pt; width: 434.6pt;”>bit life when machining an interrupted end as an irregular flame-cut, or out-of-square tube or </span><span style=”border-width: 0 398pt 15pt 11pt; height: 12.9pt; top: 168.4pt; width: 46.3pt;”>pipe end. </span>

<span style=”border-width: 0 43pt 5pt 11pt; height: 12.9pt; top: 195.8pt; width: 401.4pt;”>Typically, a depth of cut of .003” to .006” (.08 mm to .15 mm) per revolution is ideal to </span><span style=”border-width: 0 171pt 15pt 11pt; height: 12.9pt; top: 213pt; width: 273.3pt;”>establish a continuous cutting chip. It is best to remember: </span>

<span style=”border-width: 0 142pt 15pt 11pt; height: 12.9pt; top: 240.3pt; width: 303.1pt;”>If the feed is too LIGHT, only light stringer chips will be removed. </span>

<span style=”border-width: 0 25pt 5pt 11pt; height: 12.9pt; top: 267.6pt; width: 419.4pt;”>If the feed is too HEAVY, the drive will start to overload (the chip will have a rough or torn </span><span style=”border-width: 0 416pt 11pt 11pt; height: 12.9pt; top: 284.9pt; width: 28.3pt;”>look).</span>

<span style=”border-width: 0 416pt 11pt 11pt; height: 12.9pt; top: 284.9pt; width: 28.3pt;”><span style=”border-width: 0 42pt 5pt 11pt; height: 12.9pt; width: 400.5pt;”>Metals including Stainless can “work harden” from the heat and friction of cutting. It is </span><span style=”border-width: 0 20pt 6pt 11pt; height: 12.9pt; top: 17.3pt; width: 423.4pt;”>important to use enough feed pressure to stay under the work-hardened surface where the </span><span style=”border-width: 0 12pt 5pt 11pt; height: 12.9pt; top: 34.6pt; width: 431.1pt;”>metal is softer. Also, never allow the bit to burnish the surface, which adds to the difficulty of </span><span style=”border-width: 0 405pt 15pt 11pt; height: 12.9pt; top: 51.9pt; width: 37.8pt;”>the cut. </span></span>
<span style=”border-width: 0 416pt 11pt 11pt; height: 12.9pt; top: 284.9pt; width: 28.3pt;”><span style=”border-width: 0 405pt 15pt 11pt; height: 12.9pt; top: 51.9pt; width: 37.8pt;”> </span>
<span style=”border-width: 0 10pt 15pt 11pt; height: 12.9pt; top: 79.3pt; width: 433pt;”>If you notice a chatter sound, reducing the feed travel speed will usually correct this problem.</span></span>
<span style=”border-width: 0 416pt 11pt 11pt; height: 12.9pt; top: 284.9pt; width: 28.3pt;”><span style=”border-width: 0 10pt 15pt 11pt; height: 12.9pt; top: 79.3pt; width: 433pt;”> </span>
<span style=”border-width: 0 46pt 5pt 11pt; height: 12.9pt; top: 106.5pt; width: 397.3pt;”>A good rule of thumb is to try and generate chips that are .0025” (.064 mm) thick per </span><span style=”border-width: 0 20pt 5pt 11pt; height: 12.9pt; top: 123.8pt; width: 423.2pt;”>revolution. Actual measurements will indicate a pseudo thickness of .006” (.15 mm) unless a </span><span style=”border-width: 0 13pt 5pt 11pt; height: 12.9pt; top: 141.1pt; width: 429.7pt;”>pin micrometer is used for measuring. Also, be aware of the distance that the feed handle or </span><span style=”border-width: 0 213pt 16pt 11pt; height: 12.9pt; top: 158.4pt; width: 230.1pt;”>feed mechanism advances the bit per revolution. </span></span>
<span style=”border-width: 0 416pt 11pt 11pt; height: 12.9pt; top: 284.9pt; width: 28.3pt;”><span style=”border-width: 0 213pt 16pt 11pt; height: 12.9pt; top: 158.4pt; width: 230.1pt;”> </span>
<span style=”border-width: 0 22pt 5pt 11pt; height: 12.9pt; top: 185.8pt; width: 420.6pt;”>For additional assistance in achieving maximum performance from your cutting bits, please </span><span style=”border-width: 0 61pt 11pt 11pt; height: 12.9pt; top: 203pt; width: 381.7pt;”>call your Tri Tool technical sales representative at (800)345-5015 or (916)288-6100.  </span></span>

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