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ROTALIGN 01.2000

Soft foot examples

The following notation is used for these examples:

◆ The feet are shown oversize outside of the machine outline.

◆ ROTALIGN readings are outside the feet.

◆ Feeler gauge readings are inside the feet.

◆ Blank spaces mean the reading is not available.

◆ Feet are named clockwise A to D

For maximum accuracy during soft foot measurement (and espe-

cially when coupling play is present), the shafts should be rotated

so that the sensors are oriented vertically (12:00 - 6:00 direction).

Example 1

Advanced diagnosis & correction of soft foot

100100

100

8888

9292

8888

8484

Foot notation

clockwise A - D

ROTALIGN Soft foot

readings

Feeler gauge readings

ROTALIGN readings show near perfect rock, tempting the inexperi-

enced aligner to shim feet B and D. In this case, that would be a

mistake. The 4/100 mm difference diagonally, with near zero read-

ings on the other diagonal, prompts feeler gauge examination of feet

B and D. The feeler gauge results show very similar average gaps

between feet B and D, but one is plainly sloped while the other is

nearly flat.

Conclusion: shim only foot D 88/100 mm and recheck all four feet.

Note

PRÜFTECHNIK ROTALIGN ALI 3.500 User Manual

Questions and Answers: