Steel part preparation
The
steel version parts have sprues
to avoid
deformation.
These sprues
must be removed
. Use a rotating tool or a
diamond saw.
Also important is to sand down the
surface and holes (!)
of all steel parts!
Tube-holder and SPG ring
The
steel version has two more parts:
The
tube holder
and the
SPG ring
(pictures below).
The insides of the holes provided must be sanded until the parts (tube-holder and ring) fit in.
The parts of the cast metal version have these design elements already integrated!
Threaded rod setup (very important step)
Part01-front
and
Part01-back
are connected by three threaded
M2
steel rods.
Each rod gets a metal tube as spacer (4mm outside/2mm inside). These tubes
MUST
have the
same
exact length (+/- 0.05mm)
AND both ends have to
be parallel
. Otherwise the whole
construction does not work. A lathe is best for exact cutting the tubes. Together with
two M2 nuts,
holding the tube in position, the length should be around 19mm (+/- 0.5mm).
These additional
nuts are absolutely necessary!
After all three rods are prepared attache them to
Part01 SPG back.
Add a washer and a nut to each
and fasten the nuts.
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