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26th March 2012, 01:11 AM
Thread: 4 jaw self centering is it worth buying ?
by Kody- Replies
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I would not buy it. A self centering 4 jaw chuck...
I would not buy it. A self centering 4 jaw chuck is only used for holding precision ground round material. They are used where rigidity of the work piece is an absolute necessity. Look around and see...
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24th March 2012, 09:52 PM
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There's no need to get all excited over...
There's no need to get all excited over sharpening these drills. I shape and sharpen these drills with ease. The biggest I have so far sharpened is 5/8" and the smallest is 3/16". These were...
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27th February 2012, 11:39 PM
Thread: What is a Toolroom lathe?
by Kody- Replies
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A Toolroom Lathe is a very special and specific...
A Toolroom Lathe is a very special and specific form of lathe. The photo of the Boley is an average example. The lathes were very solid with a heavy main spindle and very precise fitted ways and...
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14th January 2012, 11:22 AM
Thread: Stainless Steel Milling
by Kody- Replies
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Hi John A 10mm end mill will run quite happy at...
Hi John
A 10mm end mill will run quite happy at 1500 rpm. I can fully understand your anxiety about climb milling but a ball nose cutter is a far cry from a normal solid end mill. The secret to... -
13th January 2012, 11:07 PM
Thread: Stainless Steel Milling
by Kody- Replies
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Make sure there are no "loose" spots along the...
Make sure there are no "loose" spots along the clamping plates. With only about 3 to 5 mm overhang from the milling table, you should be getting a super finish. The first thing I would check is the...
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9th January 2012, 05:35 PM
Thread: need a new jack
by Kody- Replies
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I needed a high quality jack that would be as...
I needed a high quality jack that would be as versatile as possible. The jack had to lift the boat off the car, lift the boat and trailer, lift the car and my mates truck when needed. I have never...
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7th January 2012, 11:17 PM
Thread: Chipping drill bits!! Frustrating!!
by Kody- Replies
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Your problem is that you have far too much front...
Your problem is that you have far too much front clearance on the end of the drill. Reduce this to the amount as shown on my previous post/s on drill sharpening and you will have no more problems. Do...
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22nd December 2011, 07:21 AM
Thread: Poor finish with my finishing tool.
by Kody- Replies
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Have a Bo-peep here. I wrote a lot of info about...
Have a Bo-peep here. I wrote a lot of info about this very same thing not all that long ago.
https://www.woodworkforums.com/search.php?searchid=7430941
Read all the posts and replies that I wrote... -
5th December 2011, 10:54 PM
Thread: Fly press tooling?
by Kody- Replies
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Hi Ray Punches that have curved edges (dished in...
Hi Ray
Punches that have curved edges (dished in the center) are used when the hole to be stamped out (pierced) are relatively big in diameter. These are normally found on sheet metal type dies. The... -
5th December 2011, 04:24 PM
Thread: Fly press tooling?
by Kody- Replies
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Gudday Bruce, thanks for your kind comments,...
Gudday Bruce,
thanks for your kind comments, yes, it's so good to work in thous. Regardless of what anybody says, thous are the best ever for working with. I do love working with press tools, they... -
5th December 2011, 02:31 PM
Thread: Fly press tooling?
by Kody- Replies
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Hi Jordan, Entry is the distance the punch...
Hi Jordan,
Entry is the distance the punch enters the die after it has penetrated the material being punched. If you stop the punch so it is level with the top of the die, the slug may not come away... -
4th December 2011, 11:07 PM
Thread: Fly press tooling?
by Kody- Replies
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Hi Jordan, HSS is notorious for shattering when...
Hi Jordan,
HSS is notorious for shattering when used as a small hole punch. It often disintergrates and the small pieces fly out with great velocity. These small pieces can do a lot of damage to you... -
3rd December 2011, 06:34 PM
Thread: Fly press tooling?
by Kody- Replies
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To make the punch, you need a piece of 1/2" dia...
To make the punch, you need a piece of 1/2" dia Silver Steel. This is machined down to 3/8" leaving a 3mm thick head at the end. the 5mm dia. is flared into the 3/8" dia. with a generous radius. It...
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26th October 2011, 04:11 PM
Thread: How to achieve that polished look
by Kody- Replies
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When I was teaching machining at a college in the...
When I was teaching machining at a college in the US (I was the senior instructor in charge), obtaining a great finish was always so hard for the students (ages 19 to 55). If I remember correctly,...
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3rd October 2011, 10:35 PM
Thread: Annealed Spring Steel
by Kody- Replies
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Sorry but O1 precision ground steel is not...
Sorry but O1 precision ground steel is not suitable for springs. It is a tool steel for making special tools. It cannot be forged without risk of hot short and it lacks the chemical properties for...
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12th September 2011, 09:33 PM
Thread: taper problem
by Kody- Replies
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You don't have to machine a bar and "waist" it to...
You don't have to machine a bar and "waist" it to set the lathe bed. If you find that the job is tapered, simply chuck a length of solid bar in the chuck and place a dial indicator at the end. Set...
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29th August 2011, 11:48 AM
Thread: Brass Taps
by Kody- Replies
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This www site might help. Untitled Document...
This www site might help. Untitled Document
I don't have any brass taps/dies as such but have used a lot of BA threads in building my "Simplex" steam loco. These threads have been great to use... -
10th August 2011, 10:45 PM
Thread: Travelling steady for a B model Qualos
by Kody- Replies
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All fixed steadies have three steadying points...
All fixed steadies have three steadying points that are arranged at 120 degree intervals. I would never be without mine and I have two of them for my lathe. One is the standard fixed steady that came...
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4th August 2011, 01:18 AM
Thread: Drill holes.
by Kody- Replies
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This should be an easy job to do. If you are...
This should be an easy job to do. If you are drilling metal, make sure the drills are sharpend perfectly to begin with. Many a new drill I have used has needed to be resharpend before it could be...
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3rd August 2011, 12:02 PM
Thread: precision level?
by Kody- Replies
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I have always preferred not to machine two...
I have always preferred not to machine two collars on the 300 mm shaft. The problem is because of the length of shaft protruding from the chuck. It is all but impossible to machine a 25 mm shaft of...
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2nd August 2011, 01:09 AM
Thread: precision level?
by Kody- Replies
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I have a precision level but I hardly ever use...
I have a precision level but I hardly ever use it. A lathe does not need to be level. I have my lathe set with a slight fall to the right and to the back. This slight fall ensures that the coolant...
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26th July 2011, 11:04 PM
Thread: Morse Taper extension Sleeves
by Kody- Replies
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If the sleeves are properly cleaned and...
If the sleeves are properly cleaned and assembled, they will run without any wobble. When assembled correctly, wobble is a sign of a bent drill shank. If you are going from a No.2 up to a No.3 for a...
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23rd July 2011, 01:27 AM
Thread: Grinding Wheel Runout
by Kody- Replies
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Do you mean the run-out is actually Radial...
Do you mean the run-out is actually Radial run-out? Two mm run-out Radially is far too much. Check the spacers for correct size and true running without being mounted in the wheel. The max run-out...
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17th July 2011, 12:10 AM
Thread: learners cylindrical square
by Kody- Replies
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The gudgeon pins must be a specific length. This...
The gudgeon pins must be a specific length. This is achieved when the pins are being ground to diameter. The pins are run up to a special stop and then the ends are finished ground. Only a very small...
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16th July 2011, 04:56 PM
Thread: learners cylindrical square
by Kody- Replies
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A gudgeon pin such as this would make a most...
A gudgeon pin such as this would make a most excellent master square. These pins are centerless ground and the end are squared off to form an annulus on the end. This is a small ring that can be seen...
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12th July 2011, 11:48 PM
Thread: Screw thread cutting for beginners
by Kody- Replies
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Screw thread cutting for beginners
Some time ago I wrote a series of articles for this forum about thread cutting with a lathe. With more people seeking advice on threading in the lathe and how to do it, I have taken the liberty to...
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12th July 2011, 01:03 PM
Thread: Three or four start thread ?
by Kody- Replies
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Cutting a four start thread is easy to do. It's...
Cutting a four start thread is easy to do. It's no harder that a two start thread. I could do it for you but my Myford Super 7 is not up to the job. A much bigger and robust lathe is needed that can...
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4th July 2011, 09:05 PM
Thread: Hand Sharpening Drill Bits
by Kody- Replies
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For Joe Hovel and everyone else, Thank you so...
For Joe Hovel and everyone else,
Thank you so much for the great comments about my drill sharpening article, you are all most appreciated. Please feel free to use the information I presented. I... -
2nd July 2011, 11:42 PM
Thread: Hand Sharpening Drill Bits
by Kody- Replies
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I wrote a full length article on drill sharpening...
I wrote a full length article on drill sharpening that was very easy to understand. If you do a search you will find it here on this forum and also on the land yacht forum. I have taught many people...
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21st June 2011, 10:58 PM
Thread: what is this thing?
by Kody- Replies
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My guess is that it's a cheap die-cast hinge for...
My guess is that it's a cheap die-cast hinge for light duty only. The countersunk screw holes do suggest its for light duty. If it was for heavy duty, the holes would be standard holes to fit bolts...
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20th June 2011, 10:41 AM
Thread: hows this sound for a welding/work bench?
by Kody- Replies
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All my benches either for welding, woodwork or...
All my benches either for welding, woodwork or general use are 900mm wide. Any narrower and there is not enough space/area for setting up with jigs, clamps etc. If you made the bench 600mm wide you...
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19th June 2011, 11:12 PM
Thread: hows this sound for a welding/work bench?
by Kody- Replies
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I would make the frame from 50x50x3 mm RHS with...
I would make the frame from 50x50x3 mm RHS with good bracing all round. The top is a little thin. I would go for at least 5mm but my own preference would be 6mm. I wouldn't use ally (aluminium?) as...
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18th June 2011, 12:05 AM
Thread: iron contamination from painted mild steel?
by Kody- Replies
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If you make a table frame using any form of mild...
If you make a table frame using any form of mild steel to use for assembling and welding stainless steel you will severely damage the stainless steel. Any tiny amounts of mild steel grit or rust or...
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14th June 2011, 10:47 PM
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Hi Ray It's great to see that you have had...
Hi Ray
It's great to see that you have had excellent success with the carbide inserts, keep up the good work.
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13th June 2011, 11:20 PM
Thread: what would be a better project
by Kody- Replies
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You are using the lathe for machining so you...
You are using the lathe for machining so you obviously have some form of tool holder. Therefore I would make what you don't have and so make the fixed and travelling steadies.
To shape the tool for... -
12th June 2011, 10:51 PM
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I'm not fussed on using carbide for machining...
I'm not fussed on using carbide for machining aluminium. The high raked angles as shown (carbide) are the only style to use. I find the biggest problem with carbide is to obtain a razor sharp cutting...
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6th June 2011, 11:09 PM
Thread: Cylindrical Square
by Kody- Replies
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When I was working at a college in the USA, I was...
When I was working at a college in the USA, I was in charge of the (highly advanced) machine shop. I needed some truly accurate angle plates, 3"x3"x3" and 3/4" thick sides. To be able to grind these...
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shop around for the taps that are used for making...
shop around for the taps that are used for making standard nuts. The threaded section is the normal length but the tap body is such that the nuts are lifted up in a continual feed. I haven't seen one...
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1st June 2011, 01:08 PM
Thread: Lathe tools
by Kody- Replies
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I never use carbide on my lathe as it is a belt...
I never use carbide on my lathe as it is a belt drive. Carbide needs lots of power to use properly and if the spindle/lathe stalls, the carbide will chip every time. The best material for cutting...
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19th May 2011, 09:55 PM
Thread: Tinite Vs standard HSS Drill bits/endmills
by Kody- Replies
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When I am drilling a deep hole or a very ductile...
When I am drilling a deep hole or a very ductile metal eg. aluminium, I much prefer the TiN coated drills. The TiN coating has extreme "slipperyness" or lubricity. This means that the swarf has much...
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17th May 2011, 11:17 PM
Thread: drill press vice woes
by Kody- Replies
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I had to screwcut an Acme thread for my Simplex...
I had to screwcut an Acme thread for my Simplex loco. The thread was .25" OD and left handed. The nut was also screwcut to fit. The total length of the shaft was about 2.75". The thread was no more...
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11th May 2011, 07:38 PM
Thread: Making own springs
by Kody- Replies
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I made all the springs I needed for my "Simplex"...
I made all the springs I needed for my "Simplex" 5" gauge from 16 SWG music wire. I bought the wire from a local RC Airplane supply shop. This wire comes in lengths about 650mm long. The wire is...
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9th May 2011, 10:37 PM
Thread: Molding Lead Sinkers
by Kody- Replies
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I guess I'm too much of a scrounge. I reckon...
I guess I'm too much of a scrounge. I reckon $150.00 is far too much to spend on a tool to melt lead for sinkers. I made a "ladle" from a piece of 5" steel pipe x 4" high that I then welded a bottom...
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8th May 2011, 10:25 PM
Thread: Molding Lead Sinkers
by Kody- Replies
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I find that a far safer way to treat the rods for...
I find that a far safer way to treat the rods for making the holes in the sinker is to pass them over a candle flame. The candle flame will coat the rods with a thin layer of carbon. The lead won't...
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And thank you from me. My grandfather was in the...
And thank you from me. My grandfather was in the Boer War and at Gallipoli. He was one of the few to return home.
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26th March 2011, 01:56 AM
Thread: A woody question in a metalwork forum!
by Kody- Replies
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I would be wary of any timber that had a tannin...
I would be wary of any timber that had a tannin content. The tannin will seep out from the humidity and it can make the tools rust up very quickly. I would favour an oily timber and my favorite for...
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26th March 2011, 01:43 AM
Thread: "GOLIATH" brand taps
by Kody- Replies
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"GOLIATH" brand taps
Can someone let me know if the English made taps, "Goliath" brand in HSS are a high quality tap? I have lots e 5/8 BSF holes to tap in some 316 stainless steel and I need some good taps.
I have been... -
30th January 2010, 03:14 PM
Thread: New Lathe - need advice
by Kody- Replies
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Hi Greg What a great effort! You have put a lot...
Hi Greg
What a great effort! You have put a lot of thought into this problem. Well done.
Unfortunately I do not have a milling attachment or collets. All I have is a 4 jaw and a 3 jaw chuck. I do... -
30th January 2010, 09:48 AM
Thread: New Lathe - need advice
by Kody- Replies
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One of the things I have always stated as an...
One of the things I have always stated as an instructor in machining is, "If you have only worked a cnc lathe you will never be able to work a manual lathe without training in turning". These two...
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29th January 2010, 01:34 PM
Thread: Coach Screws and RHS
by Kody- Replies
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Cup-head bolts as pictured above will be perfect...
Cup-head bolts as pictured above will be perfect as the cup-head is obviously on the inside of the rails to protect the horses. Just keep in mind that the steel used in cup-heads is not as strong as...