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  1. Replies
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    Yes, Jim, that will definitely be an issue come...

    Yes, Jim, that will definitely be an issue come time to replace the tip, although the CBN wheels that many of us are using now take off far less steel each time and if the tip is precisely aligned...
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    Yes, Pete, the "just has a little bit to do"...

    Yes, Pete, the "just has a little bit to do" without opening up the blast is a risk. Bye and large the crew at the Shed are pretty good at always opening up first and closing up after use.

    I...
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    Took some readings at the belt and disc sander on...

    Took some readings at the belt and disc sander on Monday. This is the worst culprit at the Shed.

    As Bill Pentz points out; "Power sanding, routing and shaping generate the most dust".

    The...
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    .... :thumbup1:

    .... :thumbup1:
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    I reckon face masks/visors are an extremely good...

    I reckon face masks/visors are an extremely good idea whatever the turning task!!!

    Put the supplied mandrel in the Nova chuck, align threaded end with tailstock end and clamp mandrel shaft firmly...
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    If it was me I wouldn't be making this any more...

    If it was me I wouldn't be making this any more complicated than it needs to be...

    I presume that you have at least one scroll chuck. If so, remove the jaws and clamp a threaded rod into the jaw...
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    The thread size on the Timbecon would be the...

    The thread size on the Timbecon would be the decider for me... Thread size: M30mm x 3.5TPI, which is compatible with the majority of lathes sold here in Australia. Should you later upgrade to another...
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    Woodcut bowl gouge and jig puzzle!

    ~

    I quite like Woodcut's bowl gouge tips.



    504460

    For an M2 steel they perform very well and they have a very nice parabolic flute profile.
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    Yes, monitoring each workshop space over a shed...

    Yes, monitoring each workshop space over a shed session will be a second stage in this exercise.

    Each of the workshop spaces has multiple machines in it so as a first stage I'm taking readings at...
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    I ran a similar piece of wood through the bench...

    I ran a similar piece of wood through the bench saw (see image below, so about 1m long x 75mm thick) to the one that left so much PM2.5 hanging in the air last time, but with both blast gates open...
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    A more useful set of numbers on the radial arm...

    A more useful set of numbers on the radial arm saw from today. Readings taken over 30mins run time and cutting pieces (125mm x 35mm cross section) shown in image below at the rate of one every 10...
  12. Thread: First lathe

    by NeilS
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    Our local Men's Shed has one of these... Ozito...

    Our local Men's Shed has one of these...

    Ozito 150W 150mm Bench Grinder - Bunnings Australia

    It is not an all day every day grinder, but it's OK for the money. Just had to remove the inbuilt...
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    Yes, I was about to drop the images... it was...

    Yes, I was about to drop the images... it was becoming tedious!

    The OH dust extraction on the table saw is a contentious issue with some Shed members and the readings may help resolve some of...
  14. Thread: First lathe

    by NeilS
    Replies
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    545

    All good stuff FW for Hangfire to consider along...

    All good stuff FW for Hangfire to consider along his woodturning journey, but he has to start within his budget.

    A $50 150mm bench grinder with the addition of a $50 toolrest will do the job to...
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    The following are some readings I got the...

    The following are some readings I got the following day when the Shed was running.

    Outside background reading was PM2.5 4μg/m3

    504294

    Inside the Shed was a different story... a new member...
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    Bob, thanks for posting those readings for your...

    Bob, thanks for posting those readings for your Men's Shed. That will be useful for comparison and interpretation purposes. As you have pointed out before, the peaks dissipate quickly when the DE...
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    On bevel angles, the following link has a chart...

    On bevel angles, the following link has a chart with the common bevel angles and explains the primary purpose of each. It is a bit Tormek-centric (that is just the way they are...:rolleyes:), but the...
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    Nothing fancy, Rob... just pushed through a sheet...

    Nothing fancy, Rob... just pushed through a sheet of foam plastic (black or white) to cut out the background.

    I raised the mirroring rubric because it avoids one impediment for those new to bowl...
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    Took some readings at the Shed on Wednesday, but...

    Took some readings at the Shed on Wednesday, but yet to transfer photos from mobile phone and make some sense of those. Perhaps get to that on weekend.
  20. Thread: First lathe

    by NeilS
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    Few of us buy wood for turning... Have lathe,...

    Few of us buy wood for turning...

    Have lathe, wood will come!
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    ~ Also, for other chucks... Nova Insert...

    ~

    Also, for other chucks...

    Nova Insert suit Nova Chucks 18mm x 2.5mm Pitch | Carbatec

    Vermec Engineering... Chuck Inserts
  22. Thread: First lathe

    by NeilS
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    But if you only have a 150mm bench grinder, that...

    But if you only have a 150mm bench grinder, that will do for now.
  23. Thread: First lathe

    by NeilS
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    545

    Can't comment on quality of build between the...

    Can't comment on quality of build between the two, but variable speed is a definite advantage.
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    Tony Practice through repetition is good as...

    Tony

    Practice through repetition is good as long as you are practicing sound techniques.

    The advantage of learning from an experienced teacher is that you acquire sound techniques from the...
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    Took some photos of my Vicmarc BG with the more...

    Took some photos of my Vicmarc BG with the more specialised 40/40 grind and when the flute and top view of the grind were juxtaposed it is definitely far more egg like than mirrored. IME, that grind...
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    Hmmm... Yes, U-flute in the middle, but got the...

    Hmmm... Yes, U-flute in the middle, but got the two outside ones the wrong way round.. it's V-ish on the left and Parabolic on right.

    Apologies for the confusion...:doh:
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    ~ And, for the record, just a few more flute...

    ~

    And, for the record, just a few more flute profiles...


    503971
    Old P&N U-flute


    503972
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    Thank you Bob for sharing your work on this....

    Thank you Bob for sharing your work on this. There is a real need for this in most sheds with ducting.

    I'm in the process of extending/re-configuring the ducting in my local Men's Shed and some of...
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    It's just an optimised starting point.... it's...

    It's just an optimised starting point.... it's how new bowl gouges and new turners should, IMO, start.

    But, of course, experienced turners like yourself Andy will have variations on that to suit...
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    It was Gerry Glaser who explained for me the...

    It was Gerry Glaser who explained for me the close relationship of the flute profile (end view) and the matching grind (as seen from top view) and how these should be a mirror image of one another...
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    Looking at the end view image I posted of the P&N...

    Looking at the end view image I posted of the P&N 1-1/4" SRG it may not be so clear about how much danger zone there is on its upper wings, so I've added some graphics to make it more obvious where...
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    OK, here is a what is typically called a 'U'...

    OK, here is a what is typically called a 'U' fluted BG...

    503909
    D-way 3/4" U-fluted BG

    Almost all of the flute is curved and with next to no straight edge on the upper wings. Even if some of...
  33. That would also be a priority for me too, if I...

    That would also be a priority for me too, if I was to be so lucky, Crocy.
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    My larger P&N SRG is partly ground back on the...

    My larger P&N SRG is partly ground back on the wings...



    503896

    But that doesn't overcome the issues with using it on cross grain work.

    The problems with using it for that are twofold....
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    Thanks for the input, Bob. I'll will try to keep...

    Thanks for the input, Bob. I'll will try to keep those parameters in mind when I take some more readings.

    Our latest Shed member is in recovery from lung cancer with one lung removed and the other...
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    PM2.5 readings at my local Men's Shed.

    .

    I'm starting this separate thread about PM2.5 readings at my local Men's Shed, as a spin off from my posting #169 in Bob's thread on Developments in Dust Sensor tech...

    During the week I took...
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    The answer I must give to that in this open forum...

    The answer I must give to that in this open forum is 'No'.

    The big P&N spindle roughing gouges were designed for spindle work, in other words, for removing large amounts of wood along the wood...
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    Tim Skilton still does one-on-one lessons down...

    Tim Skilton still does one-on-one lessons down here in Adelaide.

    A session with him would get you going.

    Private message him through the forum, username Tim the Timber Turner

    All the best...
  39. Replies
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    The following article by Roy Child has some...

    The following article by Roy Child has some reliable info on flute profiles.

    A personal view of bowl gouges

    Your P&N spindle roughing gouge is an example of a 'U' flute.

    I prefer the 'V'...
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    Yes, it is the solvent (pine turpentine) in my...

    Yes, it is the solvent (pine turpentine) in my beeswax mix that is the problem for me. A pleasant smell while it lingers in the workshop, but from my repeated exposures to it over the years, and some...
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    I put the following thread together twelve months...

    I put the following thread together twelve months ago, so the prices may be out of date now.

    Larger lathes currently available here in Australia

    The following 2nd hand one over in Buy and Sell,...
  42. Thanks for sharing Woodpixel. That style of...

    Thanks for sharing Woodpixel.

    That style of jig can also be used as a 'pinch chuck' with the ring providing the clamping action. This was one of the few ways of holding a piece in the headstock...
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    I recently dug out the following finding to share...

    I recently dug out the following finding to share with the members of my local Men's Shed.



    It is hard enough to get the chaps at the Shed to wear PPI for the many very visible and obvious...
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    I needed another PM2.5 reader to do some dust...

    I needed another PM2.5 reader to do some dust level monitoring at my local Men's Shed. The one I'm using in my workshop is semi-installed there and a bit fragile being one of those partially open...
  45. Thread: Turning jiggers

    by NeilS
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    319

    Can't say if my method is an improvement, but...

    Can't say if my method is an improvement, but this is what I do for setting the slide length for bowl gouges. I use a block like this...


    503472


    I have a block for each of my bevel angles....
  46. Thread: Turning jiggers

    by NeilS
    Replies
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    319

    I also buy cheap plain verniers (non digital) in...

    I also buy cheap plain verniers (non digital) in batches and set them to the different chuck jaw sizes I most frequently use. The sharper inside tips quickly mark out the required diameter for tenons...
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    Well done Rob. That has also been my...

    Well done Rob.



    That has also been my experience. The processing of standard M2 HSS is so well established that you are unlikely to get a bad batch.
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    OK, I can see by looking closer at the Laguna...

    OK, I can see by looking closer at the Laguna tool post holder method why you say that and Doragus did spell that out in his initial post, which I managed to sail right past.

    Given that, carefully...
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    Find the centre on one end of the required length...

    Find the centre on one end of the required length of rod and centre punch it.



    Mount the other end in your self-centering chuck on your (wood) lathe.



    Place revolving tailstock centre...
  50. Twist can be the source of blade wander. I've...

    Twist can be the source of blade wander. I've corrected that problem on a number of bandsaws. It is much easier to do if the saw has built in lateral wheel adjustment as some BS now have. See the...
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