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1<br />
DIHART ® Tolerances<br />
Manufacturing Tolerance of DIHART ® Reamers<br />
2<br />
3<br />
Manufacturing tolerance of expandable reamers<br />
The manufacturing tolerance field D of expandable reamers is centered on the nominal bore<br />
tolerace T.<br />
The expansion feature of these tools allows for wear compensation.<br />
max. bore diameter<br />
4<br />
T<br />
1 / 2 T<br />
1 / 2 D 1 / 2 D<br />
max. reamer diameter<br />
min. reamer diameter<br />
D<br />
min. bore diameter<br />
5<br />
6<br />
7<br />
T = Tolerance field of bore<br />
D = Manufacturing tolerance of reamer<br />
Manufacturing tolerance of solid reamers<br />
The manufacturing tolerance field D of solid reamers is in the upper third of the bore tolerance T.<br />
max. bore diameter<br />
T<br />
2 / 3 T<br />
1 / 2 D<br />
1 / 2 D<br />
max. reamer diameter<br />
min. reamer diameter<br />
D<br />
min. bore diameter<br />
8<br />
T = Tolerance field of bore<br />
D = Manufacturing tolerance of reamer<br />
9<br />
100
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