Here is a list of all the postings ega has made in our forums. Click on a thread name to jump to the thread.
Thread: How to machine Acetal |
14/06/2019 18:09:17 |
See advice at: https://www.directplastics.co.uk/about_plastics/post/all-about-delrin-as-an-engineering-plastic |
Thread: Sieg C6, Grizzly G0516, Hare & Forbes AL-60 Metal Lathe Modifications |
14/06/2019 11:07:32 |
Ingenious use of cheap ratchet spanner to lock and unlock tailstock! |
Thread: New Lathe addition to workshop |
13/06/2019 14:22:18 |
Patrick *lathes* are listed; perhaps a different Patrick? |
Thread: Le Blond, 'Regal 10' lathe, circa 1942 and other machines - Help Needed |
11/06/2019 18:35:27 |
Daniel Thank you. A favourite jingle comes to mind: Dare to be a Daniel, No doubt we shall be prosecuted together for copyright infringement! Nice lathe, by the way. |
11/06/2019 14:59:42 |
Might someone rotate these interesting photos so that they can be viewed in comfort, please? |
Thread: The Quick Step Milling Unit |
11/06/2019 14:56:19 |
Further to John Hinckley's information, the test sheet with my machine says "60W cont. 100w 15 min". |
Thread: Horizontal Bandsaw - Final Thoughts |
10/06/2019 10:21:09 |
My vintage Warco 6 x 4 machine came with a 240mm x 260mm sheet steel table for use in the vertical mode which is quick to mount and remove. It would be easy to make one for a similar machine which didn't have one. My experience generally supports the comments by Perko 7 and Richard -. However, I don't find the swarf a problem in practice; I am cutting without lubricant and clean up with vac or brush. The other day I made a 400mm straight cut in 3mm steel sheet without difficulty. Curved cuts are limited by the fixed width of the blade on my machine and, of course, there is always the limitation of the arm which restricts the throat by comparison with a conventional vertical bandsaw. |
Thread: How often do you oil your lathe ways? |
07/06/2019 11:20:49 |
Neil Lickfold Thank you. That looks both simple and ingenious. I think your point about tube length would also apply to car exhaust systems. PS I am a fan of Rocol slideway lubricant; expensive in aerosol form but very effective. Edited By ega on 07/06/2019 11:24:40 |
06/06/2019 12:01:02 |
Posted by Neil Lickfold on 02/06/2019 10:04:05:
I set up a gravity oil feeding system to the ways on my Myford. I keep the oil pot full when in use. I lower the pot to bed level between using it. It keeps the ways wet, and I wipe it down with a paper towel often. Works very well. Your system sounds interesting. Might you post a picture? (If only to get the image of a pot *under* the bed out of my mind!) |
Thread: Why a round bed? |
01/06/2019 22:37:10 |
The Barker lathe - see lathes.co.uk - used round bed components in a rather different way and was also "triangular". |
Thread: Myford boring bar help |
31/05/2019 17:43:33 |
Is the wedge in fact a taper pin and does it project from the bar? If so, this seems another disadvantage to this design as it will constrain the projection of the cutter - the bit that matters! |
Thread: Use a router for a mortice lock |
31/05/2019 17:27:42 |
Whatever method is adopted, it will be much easier done on the bench rather than with the door already hung. Hiring the router and buying the jig rather than the other way round seems doubtful policy. If routing, aim to use an up cutting-bit. |
Thread: Myford boring bar help |
31/05/2019 11:20:31 |
Presumably, one of the OP's "cutters" was a wedge. An easy mistake to make and one easily avoided by the seller. John Haine: GHT gave instructions for a screw-adjustable boring bar which he intended for use on the Quorn castings. |
30/05/2019 22:26:36 |
Sounds defective but is there an axial push rod that secures the cutter? |
Thread: My Lathe Dog |
30/05/2019 12:01:22 |
Here's one I knocked up recently from a couple of pillow block caps: |
Thread: Taking Chinese 3 Jaw Metal Lathe chuck apart for cleaning |
30/05/2019 10:52:48 |
This extract from Cliff Bower's Book of the Lathe (1955) is probably more applicable to flood coolant users: PREVENTING WEAR One of the main causes of deterioration in chuck truth is wear of the scroll bearing, and usually very little has been done by chuck manufacturers to minimize this. Wear in the scroll bearing arises from the ingress of swarf and other abrasive particles between the rotating surfaces, and these are often washed into the bearing by the action of cutting lubricants. One way to minimize the ingress of harmful material from outside the chuck is to pack the inside of the body with thick grease. This can be packed in by removing the back plate and the back cover plate from the chuck body. A better way is to force the grease into the body under fairly high pressure from a grease gun, and a means of doing so is to drill and tap a hole in the body for the insertion of a high-pressure-grease nipple. So that this will not be hazardous to the machine operator by projecting outside the body and catching in sleeves and other parts of his clothing, a recess should be machined so that the nipple is completely sunk below the body surface. The grease hole can be closed by a screw plug suitably shaped, to restore the smooth exterior of the body. When grease is forced into the body under high pressure from a gun, it penetrates the clearance space in the scroll bearing. Since the pressure within the body will be fairly high, the passage of harmful material into the bearing will be blocked. Alter a time, the grease in the bearing will be washed away, and it can be renewed by applying more grease by means of the high-pressure nipple. The grease flowing through the scroll bearing will force out any harmful material which has penetrated into the bearing. The grease should have a fairly high viscosity; if it is too thin it will tend to be flung out of the pinion holes by centrifugal force, particularly if its temperature should rise for any reason. The idea of using lubricant to scavenge foreign matter from a mechanism is also used for cycle hubs. |
Thread: aching ribs - posture |
17/05/2019 10:53:49 |
Posted by Plasma on 16/05/2019 19:15:03:
Hi mick. I have some aches and pains, I found a good book on my kindle called The trigger point massage therapy work book" It gives simple self massage techniques to ease the knots in muscles that can cause all kinds of pain. Nothing more complex than a tennis ball or massage cane and you can ease all kinds of niggles. Well worth reading and giving a go after a hard day in the shop. Best regards Mick Sounds like a good tip; can you confirm that it is the book by Claire Davies that you recommend, please? (There are a number of titles with similar names). |
Thread: fobco drill |
14/05/2019 16:16:24 |
Could the slit be left incomplete to prevent the casting closing up too much due to released stresses? |
Thread: Taper attachment |
13/05/2019 11:53:54 |
MichaelG: Thank you; you are the master of the LINKing art! Mike Poole: Tap and test should not be necessary with the Smith gauge but if needed the GHT-style adjuster is a great help: (The "topslide" in my picture is actually an ML7-style cross slide which is good for longer tapers). |
13/05/2019 09:10:01 |
Posted by Mike Poole on 12/05/2019 23:35:03:
I set my topslide to machine my ER25 spindle nose adaptor and got it spot on first time, unfortunately I doubt that I could ever do it again, sometimes you just get lucky Mike You could if you made and used a Smith taper gauge; see my posts in this thread: https://www.model-engineer.co.uk/forums/postings.asp?th=85534 |
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