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6.1.1 Fabricating the forearm socket
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Prerequisites for lamination
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Foaming of the socket and sanding of the inner socket model have been completed.
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The PVA bag has been soaked, pulled over the foam core and knotted at the distal end.
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The lamination ring has been completely assembled with the lamination cover and affixed in
the proper position to the PVA bag using double-sided adhesive tape.
Preparation for lamination
1) Cut off 2 double-length layers of Perlon stockinette.
2) (see fig. 4) Pull 1 layer of Perlon stockinette over the socket and tie it off in the proximal
groove.
3) (see fig. 5) If extra reinforcement is required, use double-sided adhesive tape to affix carbon
fibre cloth to the first layer of the Perlon stockinette as a frame structure.
4) Pull the second layer of Perlon stockinette downwards over the carbon fibre cloth.
→ Check whether the Perlon stockinette is still in the proximal groove.
5) Cut off 2 double-length layers of Perlon stockinette once more.
6) Turn the Perlon stockinette inside out.
7) (see fig. 6) Pull 1 layer of Perlon stockinette over the socket and tie it off in the distal groove.
8) Pull down the second layer of the Perlon stockinette.
→ Check whether the Perlon stockinette is still in the distal groove.
9) Laminate the socket.
Finishing the socket
1) (see fig. 7) Once lamination has been completed, melt the screw holes for the lamination ring
through the socket from the inside.
2) Drill the screw holes from the outside using a 4 mm drill bit and then countersink the screw
holes on the outside.
3) Insert the supplied screws in the holes and check whether the screws protrude at least
4.5 mm into the interior.
→ If the screw length is too short, use longer screws. Please see the section "Technical
data" for approved screws (see Page 24).
6.1.2 Connecting the Michelangelo Hand with the socket
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Once the socket has been completed, the rotational position of the Michelangelo Hand needs to
be checked.
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