Axminster Euro Twist Pen Kits Instructions Manual - Page 5

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Turning the Bodies...

Slide 2 or 3 of the mandrel spacers onto the shaft. Add the Cap Bushing from the Bushing Kit.

Mount the Upper Pen Body next, then the Centre Bushing, (mount the centre bushing so that the

smaller diameter mates against the Upper Pen Body.

You may wish to mount the Dummy Centre Band Bushing onto the smaller diameter at the same

time.(See Note below). Mount the Lower Pen Body next, then the Tip Bushing.

Add mandrel bushings so that the near end of the mandrel thread is covered, (this will ensure that

the locking nut will tighten the assembly). Thread on the lock nut and do up finger tight. Check

that the arrangement on the shaft allows sufficient space/clearance to turn each end of the body;

if this is not the case, rearrange the layout of the assembly until you are satisfied. See Fig 2.

Fig 2

Cap bushing

Centre bushing

Locking nut

Morse Taper Shaft

Mandrel spacer

Blanks

Tip bushing

Live tail stock centre

Note. The Bushing kit is supplied with a Dummy Centre Band Bushing. This is the

approximate size of the outer diameter to which the lower end of the Upper Pen Body has to

be turned, prior to cutting the shoulder. It can be slid along the smaller diameter of the

Centre Bushing to gauge a comparison diameter; it is also narrower than the actual Centre

Band, and can therefore be moved away from the turning to enable the shoulder to be cut

unimpeded. The internal diameter of the dummy centre band is the same internal diameter

as the actual Centre Band so it may be used to establish the required diameter of the

reduced journal of the Upper Pen Body. (See also Fig 4 overleaf)

Tighten the lock nut to allow the assembly to be turned without moving. Do not overtighten, this

may cause the assembly to distort? the bodies to split? strip the thread on the lock nut? etc.

Similarly do not advance the tailstock centre with too much force. The current bulk of the blanks

may be adding strength to the assembly but as the body diameters are reduced, too much force

on the mandrel may cause it to distort/bow? Turn the main body dimensions down to diameter

of the pen bushings. (and the dummy Centre Band). See Fig 3.

Fig 3

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