Rotary Seals - Dilanda.it
Rotary Seals - Dilanda.it
Rotary Seals - Dilanda.it
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<strong>Rotary</strong> Seal<br />
Table IV<br />
Chamfer length for shaft end<br />
d 1 d 3 R<br />
< 10 d 1 - 1.5 2<br />
over 10 to 20 d 1 - 2.0 2<br />
over 20 to 30 d 1 - 2.5 3<br />
over 30 to 40 d 1 - 3.0 3<br />
over 40 to 50 d 1 - 3.5 4<br />
over 50 to 70 d 1 - 4.0 4<br />
over 70 to 95 d 1 - 4.5 5<br />
over 95 to 130 d 1 - 5.5 6<br />
over 130 to 240 d 1 - 7.0 8<br />
over 240 to 500 d 1 - 11.0 12<br />
Installation instructions<br />
The following points must be observed when installing<br />
rotary shaft lip seals:<br />
- Before installing, clean the installation grooves. Shaft<br />
and seal must be greased or oiled for rubber seals<br />
- Sharp-edged trans<strong>it</strong>ions must e<strong>it</strong>her be chamfered or<br />
rounded or else covered<br />
- When pressing in the seal, take care that the seal ring is<br />
not twisted<br />
- The pressing force must be applied as close as possible to<br />
the outer circumference of the seal<br />
- After installation, the seal must be concentric and at right<br />
angles to the shaft<br />
- The end face of the mounting bore is generally used as<br />
the contact surface; the seal can also be fixed w<strong>it</strong>h a<br />
shoulder or a spacer washer.<br />
Disassembling<br />
bore<br />
Figure 4 shows various force f<strong>it</strong> s<strong>it</strong>uations of the rotary<br />
shaft lip seal w<strong>it</strong>h su<strong>it</strong>able installation tools or devices.<br />
Disassembling<br />
bore<br />
Figure 4<br />
Installation aids for f<strong>it</strong>ting rotary shaft lip seals<br />
16<br />
Latest information available at www.busakshamban.com<br />
Ed<strong>it</strong>ion April 2006
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