Engineering manual - SAB 193-233-283 S A-frame (including ATEX)
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Installation instructions
7.25 Calculation of centre of gravity, support reactions and tipping angle
Calculation example: SAB 193 L, IEC 280, single oil filter, oil cooler type AlfaNova, no oil
pump
1. Calculate compressor centre of gravity
(only necessary when calculation of tipping angle is desired)
Calculate:
z (Table 29 Column 9) = h + zi + J.
zg motor (Table 29 Column 3) = h + shaft height ∆z + J
Then edit the table with the calculated value (the present value is based on J = 140 mm)
2. Fill in/edit Table 32 with the values from the tables above corresponding to the unit in
question
3. Calculate M*X, M*Y, M*Z and ∑M*X……..
4. Calculate centre of gravity
5. Calculate support reactions
6. Calculate tipping angle
Selection of vibration dampers
When you have calculated the support reactions, you are able to select the right vibration
dampers from table .
Note: Only calculations with separator OHU 04123 can be made using the data below.
Some basic information:
Unit
Weight kg
Support reaction kg
Tipping angle degrees
Dist.
mm
Table 27
Dimensions of oil separator OHU 04123
(l, b measured between "feet", h to the upper side of the horizontal profiles).
Length x Width y Height z
l b h
2268 906 890
Table 28
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