Casting material and manufacturing method of planet carrier for jack-up offshore platform lifting gear box
An offshore platform and self-elevating technology, applied in the direction of belts/chains/gears, lifting devices, transmission parts, etc., can solve the problems of easy damage, complicated manufacturing process, high production cost, etc., to eliminate excessive stress concentration, Improve the anti-destructive ability and smooth feeding channel
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Embodiment 1
[0099] Example 1: A planet carrier casting material for a self-elevating offshore platform lifting gearbox with a high speed ratio and super high torque. The mass percentage control range of the chemical composition is as follows: C: 0.28-0.35%, Si: 0.20-0.35% , Mn: 0.65~0.85%, S: ≤0.030%, P: ≤0.030%, Cr: 0.85~0.95%, Mo: 0.20~0.26%, V: 0.04~0.08%, Ti: 0.02~0.06%, the remaining content For Fe.
Embodiment 1-1
[0100] Example 1-1: On the basis of Example 1, C: 0.28%, Si: 0.20%, Mn: 0.65%, S: ≤0.030%, P: ≤0.030%, Cr: 0.85~0.95%, Mo: 0.20~0.26%, V: 0.04%, Ti: 0.02%, and the rest is Fe.
Embodiment 1-2
[0101] Example 1-2: On the basis of Example 1, C: 0.35%, Si: 0.35%, Mn: 0.85%, S:≤0.030%, P:≤0.030%, Cr: 0.95%, Mo: 0.26% , V: 0.08%, Ti: 0.06%, and the rest is Fe.
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