Saw Blade Alignment on a Table Saw

We advise you to use precise measuring instruments when mounting your saw blade. Mount your saw blade onto the arbor. Adjust the arbor to its maximum height. Verify that the saw blade is parallel to the miter gauge slots. Adjust as needed. This step is necessary to obtain crosscuts with the maximum in quality finish and for setting up the fence for ripping.

The overlap of saw blade teeth over the cutting material must be equal to the height of tungsten tip. The number of teeth cutting simultaneously must be between 2–3.


Pict. No. 5

Pict. No. 6


Here are some useful formulas how to calculate the choice of correct saw blades:

Legend:
t [mm] – tooth pitch
h [mm] – thickness of the work piece
k [-] – number of teeth in cutting place (2÷3)
z [-] – number of teeth of the saw blade
D [mm] – sawblade diameter

These formulas are valid for cross cutting and cutting of laminated materials.

Tab No. 1 shows the maximum RPM of circular saw blade on basis to the diameter of the blade itself. RPM referring to cutting speed 100 m/sec. These are the maximum recommended RPM by the machine builder. When exceeding this limit, the blade will loose its characteristics and danger implied to user may occur.

Recommended RPM [1/min]
D
[mm]
Cutting speed vC [m/sec]
102030405060708090100
100191038205730764095501146013370152801719019100
1501270255038205100637076408920101901150012730
200960191028703820478057306690764086009550
250760153022903060382045905350611068807640
300640127019102550318038204460510057406370
350550109016402180273032803820437049005460
40048096014301910239028703340382043004780
45043085012701700212025502970340038204250
50038076011501530191022902680306034403820
55035069010401390174020802430278031203470
6003206409601270159019102230255028803180
6502905908801180147017602060235026402940
7002705508201090136016401910218024502730
7502505107601020127015301780204022902550
800240480720950119014301670191021502390

Legend:
vc [m/s] – cutting speed
D [mm] – diameter of saw blade
n [1/min] – recommended RPM
s [m/min] – feed speed
z [-] – number of teeth
sz [mm/zub] – feed speed/tooth

Recommended values of feed/tooth
MaterialFeed speed sZ [mm/tooth]
Soft woodsCutting along the grain0,2 - 0,3
Cutting across the grain0,1 - 0,2
Hard woods0,06 - 0,15
Chipboard0,1 - 0,25
Plywood0,05 - 0,12
Laminated boards0,05 - 0,1
Non-ferrous metals and plastics0,02 - 0,05

Tool advisory centre for circular saw blades, band saws for wood cutting


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