Stone working – Sawing – Rotary
Patent
1980-09-03
1982-08-24
Whitehead, Harold D.
Stone working
Sawing
Rotary
51206R, B28D 104
Patent
active
043455794
ABSTRACT:
A cutting disk or wheel, particularly for the dry cutting of natural and artificial stone material, especially asphalt and concrete, comprises a single-layer saw plate of a high alloy special steel with ribs formed on the circumference by radial separating slots, cutting segments of a diamond material being attached to the webs. Radial cooling and thermal expansion equalizing slots, narrower than the first-mentioned slots, are arranged equidistantly on the wheel circumference and terminate radially inwardly in enlarged cooling bores. Preferably, the latter slots are radially inwardly extending extensions of the former slots. The ratio of the width of the first-mentioned slots to the web length measured peripherally of the wheel, is in the range of 0.5 to 0.7. The ratio of the peripheral length of the cutting segments to the periphery of the wheel, is in the range of 0.015 to 0.025. In this way, the advantages of dry cutting are achieved without the previous disadvantages due to high wear and unequal thermal expansion and contraction.
REFERENCES:
patent: 3203140 (1965-08-01), Hallez
patent: 3338230 (1967-08-01), Lindblad
patent: 4267814 (1981-05-01), Benson
Eichenlaub Rolf
Novakovic Boris Z.
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