Simple Formula for Calculating Tapers | The International …
Jun 26, 2012 · 3. Answer of #2 divided by Length of Taper = Angle to set Compound Slide Example: Large Diameter .750 Small Diameter .500 Length of Taper 2.000 1. .750 - .500 = .250 2. .250 x 28 = 7 3. 7 divided by 2.00 = 3.5 degrees Maybe this will help a few people. Mike
Turning pens on metal lathe - The International Association of …
Apr 24, 2015 · The top part of the compound tool-holding mechanism normally has the ability to be set to a calibrated angle relative the the turning axis. This allows you to easily turn a *straight* taper. Turning a curved taper ... now that requires some calculation and experience. I do an approximation to a curved taper and finish it off with sandpaper....
Turning between centers - The International Association of …
Jan 11, 2019 · So here is an idea, your spindle is 5/8 diameter. Drill a block of wood, 2x2x4, from the 2x2 end with a 5/8" hole 1" deep. On the end you drilled, drill and tap for a 1/4-20 set screw. Mount the block on your spindle, turn round, then taper the front to a 1/2" diameter, then drill to fit a small piece of pen mandrel.
Lathe not turning true - The International Association of Penturners
Jun 26, 2019 · Using a pointed pencil across the tool rest, rest the point against the inside of the morse taper. Turn the headstock spindle by hand and observe if the point remains against the inside of the taper. This will show if the taper is not turning concentric. If you have or have access to a dial indicator this is much easier to check.
Screw on mandrel vs Morse taper | The International Association …
Jun 13, 2016 · Morse taper fixings have been in use for more than a century, and work exceedingly well. So a morse taper fixing should be just as good as one that attaches by means of the spindle thread. But stuff happens, and either fixing could be confounded by circumstances. If there is trash inside the spindle, a morse taper fixing could end up misaligned.
Drill chuck taper slips in my tailstock,any solutions?
Aug 10, 2011 · My Jacobs chuck has a morse taper shaft that fits in either the headstock or tailstock of my lathe. However, there is a second taper that attaches the chuck to the morse taper shaft (a J33 taper). A drawbar certainly will capture the shaft in the tailstock (or headstock), but it won't assure that the chuck remains attached to its shaft.
MT1 vs MT2 | The International Association of Penturners
Nov 5, 2010 · MT1 will not handle the energy transfer for heavy loads. It is the taper used in Sherline micro lathes and some of the very small light duty lathes. Used one for several years and it can do all the needed processes -- lightly. It has every thing but torque. For the right price to you, should work fine for small work and minatures.
New mandrel? | The International Association of Penturners
Dec 30, 2019 · #2 Morse Taper Maxi-Mandrel#2 Morse Taper Maxi-Mandrel - This new mandrel features a 7mm mandrel shaft that slides through a headstock collet. This feature guarantees a perfectly concentric pen. The mandrel easily adapts to different length projects. Simply mount your tubes and bushings then slid
Pattern tracing attachment for my metal mini lathe
Mar 17, 2016 · For my pool cue shafts I have a taper bar (Compound taper ) But I also mounted a lathe on top of my CNC Router and cut the taper my cue shafts on my CNC . Most of my cuts are long cuts, X axis and when I am tapering I use live a cutter.
How tight to tighten my mandrel? | The International Association …
Jun 24, 2014 · Turning one blank at a time with a mandrel saver, accomplishes the same thing as turning between centers - you just have a rod going through the blank. No need for additional special centers or bushings other than the mandrel saver itself - and you still have the option of turning two blanks at a time if you want to.