FG<I8K@FEJ
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I`m`e^Be`]\ |
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The riving knife works in the same manner as the spread- |
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er on the blade guard assembly. It is a metal plate that |
| D`e`dld(dd | ?\`^_k;`]]\i\eZ\ | ||||
prevents the newly cut workpiece from pinching the back- |
| DXo`dld,dd | |||||
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side of the blade and causing kickback. |
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The key difference between the spreader and the riving |
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knife is that the riving knife mounts below the blade's |
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| I`m`e^ | |
highest point of rotation, as shown in =`^li\+0. |
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| Be`]\ | |
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The height difference between the riving knife and the |
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| =`^li\+0% Height difference between | ||||||
blade allows the workpiece to pass over the blade during |
| riving knife and blade. | |||||
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all the way through the thickness of the workpiece). |
| Kfg;`jkXeZ\ |
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| D`e`dld*dd |
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The riving knife acts as a barrier behind the blade to |
| DXo`dld/dd |
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reduce the risk of hands being pulled into the blade if |
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a kickback occurs. The riving knife must be kept within |
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| I`m`e^ |
the range shown in Figure 50. For that reason, we only |
| 9fkkfd;`jkXeZ\ | |||||
recommend using a 10" blade for operations that require |
| Be`]\ | |||||
| D`e`dld*dd |
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use of the riving knife. |
| DXo`dld/dd |
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?fnkf@ejkXcck_\I`m`e^Be`]\ |
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| =`^li\ ,'. Allowable top and bottom | ||||||
The riving knife is installed in a similar manner to the |
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| distances between riving knife and blade. | ||||||
blade guard and spreader. Refer to Blade Guard on GX^\ |
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*- for installation instructions. |
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N_\ekfLj\k_\I`m`e^Be`]\ |
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| @e fi[\i kf nfib gifg\icp# k_\ i`m`e^ | ||||||
Use the riving knife for all |
| be`]\ ZXeefk Y\ Y\ek fi d`jXc`^e\[ | |||||
| n`k_ k_\ YcX[\% @] k_\ i`m`e^ be`]\ ^\kj | ||||||
a standard table saw blade (i.e., dadoes or rabbet cuts |
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| XZZ`[\ekXccp Y\ek# kXb\ k_\ k`d\ kf | ||||||
in which a dado blade is NOT used, and when using a |
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| jkiX`^_k\e `k fi aljk i\gcXZ\ `k% Lj`e^ | ||||||
tenoning jig). Also, use the riving knife for those special |
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| X Y\ek fi d`jXc`^e\[ i`m`e^ be`]\ n`cc | ||||||
operations where the blade guard or its components get |
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| `eZi\Xj\k_\i`jbf]b`ZbYXZb | ||||||
in the way of safe operation, such as with very narrow |
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cuts. |
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When Not to Use the Riving Knife |
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The riving knife CANNOT be used with a dado blade |
| To ensure riving knife works safely, the | |||||
that has a diameter smaller than 10." Otherwise, the |
| following requirements MUST be met | |||||
riving knife height will exceed the blade height and the |
| when installing new blades: |
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workpiece will hit the riving knife during the cut, forcing |
| 9cX[\;`Xd\k\i1(' |
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the operator into a dangerous situation of trying to turn |
| I`m`e^Be`]\K_`Zbe\jj1'%( )%,dd | |||||
the saw off with the workpiece stuck halfway through the |
| I\hl`i\[ 9cX[\ 9f[p | K_`Zbe\jj | ||||
cut. |
| \oZcl[`e^k\\k_ 1'%'.(Æ'%'0+ (%/Æ | |||||
In addition, although it is possible to use the riving knife |
| )%+dd |
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| I\hl`i\[ 9cX[\ B\i] K_`Zbe\jj1 | ||||||
for through cutting operations, the blade guard assembly |
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offers far more injury protection and risk reduction than |
| Iiving knife MUST be aligned to blade; | |||||
the riving knife. Therefore, we strongly recommend that |
| K_\j\ I\hl`i\d\ekj [f efk Xggcp kf | |||||
you use the blade guard assembly instead of the riving |
| [X[fYcX[\j% |
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knife for through cuts. |
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