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NOTES: Standard <strong>Keyway</strong> Mandrels not suitable for<br />
blind holes. Blind Hole <strong>Keyway</strong> Mandrels and Stones<br />
are available on special order basis. Available 4 weeks<br />
after receipt of order.<br />
These honing units are designed to be used for honing<br />
bores with keyways, splines, ports and other surface<br />
interruptions.<br />
<strong>Keyway</strong> Mandrels must be trued accurately to keep<br />
the honing stone from hanging up in the keyway. Size<br />
Truing Sleeve to a diameter between the desired finish<br />
bore size and ,127 mm (.005") under.<br />
In some cases, stones other than<br />
the RECOMMENDED STONES<br />
may hone faster or last longer.<br />
For long or repetitive production<br />
runs, it may be economical to<br />
choose a stone slightly harder or<br />
softer, coarser or finer. As a general<br />
rule, hard materials require<br />
soft stones; soft materials<br />
require hard stones; rough holes<br />
require hard stones.<br />
☛Stone orders involving large quantities<br />
or unusual requirements available<br />
2 - 4 weeks after receipt of order.<br />
*1st choice<br />
**2nd choice.<br />
Use if A55<br />
does not cut.<br />
}<br />
Hard--Soft<br />
Hard---Soft<br />
All Available Stones<br />
Grit Size<br />
70 80 100 150 220 280 320 400 500 600 1200<br />
Recommended Stones for <strong>Y8</strong>8 Mandrels<br />
Aluminum Oxide Stones (A) - 1 per box<br />
<strong>Y8</strong>8-A43<br />
<strong>Y8</strong>8-A45<br />
<strong>Y8</strong>8-A47<br />
<strong>Y8</strong>8-A49<br />
<strong>Y8</strong>8-A53<br />
<strong>Y8</strong>8-A55<br />
<strong>Y8</strong>8-A57<br />
<strong>Y8</strong>8-A59<br />
<strong>Y8</strong>8-A63<br />
<strong>Y8</strong>8-A65<br />
<strong>Y8</strong>8-A67<br />
<strong>Y8</strong>8-A69<br />
Silicon Carbide Stones (J,C) - 1 per box<br />
<strong>Y8</strong>8-J43<br />
<strong>Y8</strong>8-J45<br />
<strong>Y8</strong>8-J47<br />
<strong>Y8</strong>8-J49<br />
<strong>Y8</strong>8-J53<br />
<strong>Y8</strong>8-J55<br />
<strong>Y8</strong>8-J57<br />
<strong>Y8</strong>8-J59<br />
<strong>Y8</strong>8-J63<br />
<strong>Y8</strong>8-J65<br />
<strong>Y8</strong>8-J67<br />
<strong>Y8</strong>8-J69<br />
Low-Volume High-Volume<br />
Material<br />
Stone<br />
to use<br />
Approx. Ra<br />
Surface Finish<br />
µm µin<br />
Stone<br />
to use<br />
Approx. Ra<br />
Surface Finish<br />
µm µin<br />
Deburring: rough holes, all materials<br />
<strong>Y8</strong>8-A49 — — <strong>Y8</strong>8-A49 — —<br />
Fast removal: deburred, bored, ground, reamed holes<br />
Aluminum<br />
<strong>Y8</strong>8-J57 1,38 55 <strong>Y8</strong>8-DM87-XG48 1,25 50<br />
Brass, Soft<br />
<strong>Y8</strong>8-J63 0,83 33 <strong>Y8</strong>8-J63 0,83 33<br />
Bronze<br />
<strong>Y8</strong>8-J57 1,38 55 <strong>Y8</strong>8-J57 1,38 55<br />
Carbide<br />
— — — <strong>Y8</strong>8-DM57-XG48 0,50 20<br />
Cast Iron<br />
<strong>Y8</strong>8-J57 0,50 20 <strong>Y8</strong>8-DM57-XG48 2,00 80<br />
Ceramic<br />
— — — <strong>Y8</strong>8-DM57-XG48 1,00 40<br />
Glass<br />
— — — <strong>Y8</strong>8-DM57-XG48 1,75 70<br />
Steel, Soft<br />
<strong>Y8</strong>8-A57 0,65 25 <strong>Y8</strong>8-NM57-XG48 1,25 50<br />
Steel, Hardened* <strong>Y8</strong>8-A55 0,45 18 <strong>Y8</strong>8-NM57-XG48 1,00 40<br />
Steel, Hardened** <strong>Y8</strong>8-A63 0,30 12<br />
—<br />
— —<br />
Steel, Very Hard <strong>Y8</strong>8-J63 0,30 12<br />
—<br />
— —<br />
Fine finishing: previously honed holes<br />
Aluminum<br />
<strong>Y8</strong>8-J95 0,30 12 <strong>Y8</strong>8-DM07-XG48 0,83 33<br />
Brass, Soft<br />
<strong>Y8</strong>8-J83 0,40 16 <strong>Y8</strong>8-J83 0,40 16<br />
Bronze<br />
<strong>Y8</strong>8-J95 0,30 12 <strong>Y8</strong>8-J95 0,30 12<br />
Carbide<br />
— — — <strong>Y8</strong>8-DM07-XG48 0,08 3<br />
Cast Iron<br />
<strong>Y8</strong>8-J95 0,13 5 <strong>Y8</strong>8-DM07-XG48 0,13 5<br />
Ceramic<br />
— — — <strong>Y8</strong>8-DM07-XG48 0,38 15<br />
Glass<br />
— — — <strong>Y8</strong>8-DM07-XG48 0,38 15<br />
Steel, Soft<br />
<strong>Y8</strong>8-J95 0,10 4 <strong>Y8</strong>8-NM07-XG48 0,40 16<br />
Steel, Hardened <strong>Y8</strong>8-J83 0,13 5 <strong>Y8</strong>8-NM07-XG48 0,18 7<br />
<strong>Y8</strong>8-J83<br />
<strong>Y8</strong>8-J85<br />
<strong>Y8</strong>8-J87<br />
<strong>Y8</strong>8-J89<br />
<strong>Y8</strong>8-J95 (<strong>Y8</strong>8-CO5)<br />
87
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