This Basic Pen Mandrel Saver Package includes the following:
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|Country of Origin||Taiwan|
A pen turning mandrel is a tool used on a lathe that provides a stable base on which to turn a pen. The pen barrel is mounted onto the mandrel between bushings which provide a guide to the profile of the pen. A pen mandrel is an essential tool and is required for turning pens on a lathe.
When choosing a mandrel, the most important consideration is to make sure you get a mandrel that will fit your lathe. This pen mandrel will fit lathes that have a number 2 morse taper fitting in the spindle and tailstock.
The basic pen mandrel is the most affordable option for getting started in pen making and comprises a morse taper fitting and shaft that have been pressed together. This mandrel can be used straight out of the box and requires no adjustment. The mandrel is long enough to hold two pen barrels simultaneously, either for turning a double-barrel pen or for turning two single-barrel pens concurrently.
The mandrel saver live centre is used together with the basic pen mandrel to make turning easier and to prolong the life of the mandrel shaft.
The mandrel saver live centre is a specially designed live centre that has a 6.2mm hole through its centre that slides neatly over the mandrel shaft and steadies the shaft whilst turning the pen. The mandrel saver live centre is tightened onto the pen bushings to grip the pen barrel without putting any pressure on the mandrel shaft. This action prolongs the life of the mandrel shaft when compared to the use of the knurled brass nut to grip the bushing, with the point of the live centre pressing into the end of the mandrel shaft.
When using the knurled brass nut to hold the pen barrel, any overtightening of the tailstock with the point live centre puts the mandrel shaft itself under significant pressure and can cause it to bow. This bowing of the mandrel shaft will cause a type of off-centre turning and produce pen barrels that are not completely cylindrical in shape (ie slightly oval).
The mandrel saver live centre removes all pressure from the shaft since the shaft itself is free in the centre of the mandrel saver. The life of the mandrel shaft will therefore be prolonged and the pens turned using this specialised live centre are likely to be superior to those turned using the knurled brass nut to grip the pen barrel.
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