Robert Weaver
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That theory seems correct, ie a bigger clearance btwn liner and wire allows for more buckling, but that's only significant if axial compression btwn tip and feed rollers is large. It doesn't really matter, to a point.Hi,
Last night I was just about to place an order, then thought I would send the seller a message first to find out the Outside Diameter just in case, but he has not replied yet. the outer diameter of the plastic should be 5mm. +/- 0 .2mm
The next thing that I am about to say is my theory, This theory, which belongs to me, is as follows
If you push a thin wire down a narrow bore tube, the wire is always going to be more or less parallel to the walls of the tube and hence exert maximum longitudinal force at the exit, but, using a larger bore eg 2mm the wire can be more undulating inside the tube so if there is any small reverse external pressure to the end of the wire at the exit it may could cause the wire to crumple/tangle up inside the tube.
That is the theory that I have and which is mine and what it is, too.