Weight Determination of Lifting Table Series
 The company manufactures lifting tables like the one in the picture. We calculate the lifting table series from 1000 to 3000 kg, in which case the size of the table remains the same.
Pascal's Triangle and calculation
With a lifting capacity of 1,000 kg, a lifting table weighs 185 kg and a 3,000 kg table weighs 265 kg. The weights of the intermediate sizes are obtained from the calculations.
Lifting capacity kg Weight kg Calculated weight kg
1 000 185 the known weight
1 250 - 1.08 x 185 = 200
1 600 - 1.08 x 192 = 216
2 000 - 1.08 x 205 = 233
2 500 - 1.08 x 219 = 252
3000 265 -
3 150 - 1.08 x 252 = 272
We can expect the quality and safety have remained at the same level
Lifting devices and lifting aids often have a marked lifting capacity of 3200 kg. Is the lifting table's marking of 3,000 kg is a technical marking as a round number or whether it is based on what is determined by strength? In practice, 7 kg or 3% weight difference means nothing. We have studied to Pascal's Triangle and there to five steps idea. In this calculation we have six steps, and still having the accuracy of calculation. And of what the number 1.08 formation, which appears in many calculations, come about?
1
1 1
1 2 1
The factor between the lines 1,1
The value 1,1 means as progressive increase 1,25 => 1 000 kg - 1 250 kg - etc.
1.1 x 1.1 x 1.03(4) = 1.25.
The Universal Friction (1.03) reduces the exponential weight increase
1.03 => 1.12 / 1.03(4) = 1.08
31.5.2012*11:50 (43891 - 461)
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Eng 10.10.2022 |
