By continuing to use this site, you agree to our use of cookies. Find out more

Member postings for Phil Whitley

Here is a list of all the postings Phil Whitley has made in our forums. Click on a thread name to jump to the thread.

Thread: Colchester Student Mk1 Won't Start
05/07/2020 21:45:16

Hi Richard, Thanks for the nice words re the video, I like the way they are going, what they lack in finesse, they make up for in content!

The Colchester spindle bore is about morse 4.5 if I remember it correctly, so no reamers available. Manufacturers tend to make the bore of the spindle as large as possible in order to accomodate the largest possible diameter through the spindle, thus producing a more versatile machine, the taper size is considered as less important, so they stick in what fits conveniently and produce a bush to reduce it to a morse size, usually the same as the one in the tailstock. The spindle taper is short, and large diameter, easy to mess it up with a reamer! To test the tailstock, I will put my best centre in it, put the test bar in the spincle bush and dicker about with it till I get the least run out I can manage, then I will put the clock gauge on the top of the test bar, and gently wind the centre into the drilled centre in the test bar, and note if the clock goes up or down, and by how much. When I have the height right, put the clock guage on the side of the test bar, and do the same, adjusting the tailstock side to side to get it centred, then check the height again.

Because of the nature of the dings, they tend to have a low spot in the middle, and high metal all around, which picks up the blue very well. With a scraper and a bit of care, it is possible to just remove the blued high area, and leave the rest of the bore untouched. When you have two high areas, they would tend to push the reamer to one side or the other, as you would be very unlikely get the reamer into a position where the dings were both in the flutes, and turning the reamer would remove both high spots simultaeneously., especially in a short large diameter taper. It was very surprising just how little metal needed to be removed from two tiny areas to produce an instant almost perfect fit. I was tempted to use some very fine valve grinding paste to finish off, but I resisted and just used some autobody polishing compound, which produced a lovely matt grey finish. Keep up the good work on the painting!

Phil

Thread: My week this week! My workshop videos
03/07/2020 23:18:02
More work on the Colchester, and vast improvements made to the fit of the bush and test bar into the spindle nose, and this week I start to get to grips with the 2CV engined Toro Wheelhorse, and then PLUNDER! HA HARR!Got a tip off about some gear that was available, and got it fer next to nowt! Don't forget to like, comment and subscribe to my channel, and I thank you all for watching my antics!
Phil, Mutch Dripping on the Wolds'
East Yorkshire.
Thread: Colchester Student Mk1 Won't Start
30/06/2020 11:29:07

Hi Herman, thanks for that, I have already got proof of the flues existence in 2011 from a google earth image which shows the flue, in it's previous position, however, sometime around 2013, I moved it forward towards the front of the building by about 8 feet, but infortunately I have no proof of this date. I have however found further information that indicated what I have done is part of "permitted development" The GIS info is interesting, and I am doing research on that as I write this. Unfortunately I doubt one department of our local council would provide evidence willingly to prove another department wrong! I shall continue and see what I can find on GIS!

Phil

29/06/2020 20:06:23

Thanks Richard! I am going to blue up the spindle taper, and test the bush, and then do the reverse, to see if I can get a better fit, and more concentricity, it will be in next weeks video, I was going to start it today, but didn't get to the workshop till 1-30, so I tidied up and put the labels on the welder, and cut the wood for the bottle shelf. I did have a brief look and found that by fitting a MT3 live centre into the bush, I could manage to turn it gently for enough time to get a print before it grabbed the taper, and even without blue, it did mark up a few high spots, so I am hopefull that improvement can be made! Not going tomorrow, as it is annual service and mot day for the car, So I am going to spend the day applying for planning permission for a flue that has been on my workshop for years, but unfortunately, I can't prove it! Apparently, my neighbour has complained! Such is life.

Phil

29/06/2020 19:46:49

Ruchard, can you post the link to Hermans rebuild, I have lost it!

Phil

28/06/2020 14:01:15

Neat!

Thread: West Yorkshire Police
27/06/2020 14:53:37

there is usually very little if any defence available to a driver who runs into the back of another vehicle.

https://morayclaims.co.uk/if-someone-runs-into-the-back-of-you-is-it-always-their-fault/

Thread: My week this week! My workshop videos
27/06/2020 11:14:17
Hi all,
This week I get the test bar into the colchester lathe to check the headstock alignment, and also check the Covmac lathe. Some finishing off on the Socome welder, and then onto the Toro wheelhors tractor to continue the new transmission set up, , Friday afternoon, went to help Keith do a tip run and didn't get home till 8-00, hence this video being uploaded on Saturday! I'll explain the disaster next week!
Phil, Scorching East Yorkshire!
Thread: Halifax 524 Headstock
24/06/2020 15:18:12

I think that the idea that "it will never turn out good work" is completely erroneus. the only purpose these fixings serve is to hold the headstock down to the bed, the alignment and accuracy comes from the machined surfaces on the bed and the headstock. It will be neccasary to check the alignment after a fix has been done, but that would be the case if the headstock had been removed anyway. It is a sad case indeed, but if the OP is not getting a refund. and the lathe needs a rebuild anyway, what do you have to loose? I wish him evert sucess with it! In life, it is the journey that is enjoyable, not the destination, and a plague and a pox on the foul scumbags that stole from you!

Phil

Thread: Hylomar universal blue failed to seal oil?
23/06/2020 20:35:08

Both Hylomar, and red hermetite have been reformulate due to VOC regulations. I noticed the change in Hylomar first, because I have had a large bottle and brush style hermatite for years. TBH I find them now to be about as good as water based gloss paint, that is, effin useless! I have managed to obtain 3 tubes of NOS hermetite, but who knows what I will use for the hylomar jobs, maybe a loctite product?

Phil

Thread: Halifax 524 Headstock
22/06/2020 21:29:35

I would make a block of metal to fit inside the hollow heastock casting, secured with two allen bolts through the end of the headstock, and two into the bottom of the block from underneath the spindle, then clamp the broken peice back into position, and drill and counterbore through into the block with another two allen screws. Transfer punch through the threaded hole onto the block, then remove the broken peice, drill the block tapping size, replace the broken off piece, and tap through the existing thread into the block, and fit a longer stud.

For the broken ends of the bed, they will neede brazing back on, but first make up two plates to fit under the bed to spread the load to as much as possible of the unbroken area, then clamp the plate on and braze the casting back together, you are going to need a lot of pre heat, or you might do it by TIG brazing it. Awkward and time consuming, but I think it could be done.

Thread: Colchester Student Mk1 Won't Start
22/06/2020 21:00:24

File or grind the cracked area into two straight lines and it will be much less noticable. The bench centres hade a small piece missing at the extreme end of one of the slots, I cut it square with a cutting disk then filed it up and painted it up the the ground edge, it now looks like it was made like that!

Phil.

22/06/2020 10:50:15

No more alumilium as far as I am aware, just cast iron and steel, use good quality paint brushes especially for the finishing coats.

Phil

22/06/2020 09:41:46

Hi Richard, yes! because the etch primer goes on in a thin dust coat, it tends to be uneven and knobbly, and you must not rub it down, so you bury it in primer, and flat it when dry. Like Herman, I use a 2k acrylic primer filler to which you add a hardener, it is high build (the highest I have ever used in fact) and it blanks out repairs quickly and dry sands well. If you are brushing the tractol primer, stir it well, as it seperates and all the filler part of the primer will be in the bottom of the can, then brush many thin coats, allowing the recomended drying time between each. fill in the repairs with primer first untill you have got the repaired areas back up to the original paint level, then flat off and give the whole job a couple of coats, let it dry thoroughly! Then wet flat and top coat. If you dont prime the whole machine, the repairs will show through because they will be darker than the original paint. The advantage with spraying is that you can put 4 or 5 coats of primer on in a day, then flat next day because the hardner in the paint ensures full overnight curing. Check with your tractol supplier to see if they carry "accelerator" to make their paint dry faster.

Phil

Thread: Boxford motor help
20/06/2020 21:29:29

remember too that if your VFD outputs 240v 3 phase you will need a motor that can be connected in Delta, but if you go for the VFD with 415 volt output the motor can be run in star. Some modern small motors do not bring the star point into the terminal box, and therefore they cannot be connected in delta.

Phil

Thread: Colchester Student Mk1 Won't Start
20/06/2020 21:12:25

Richard, just read your new post, I have always stoppered or filled onto bare metal. You absolutley have to use etch primer on aluminium, it is optional on steel, but a good idea on cast iron, which has free graphite on the surface, wipe down the bare casting with a thinners damped rag and see the black come off! The etch primer is applied as a dust coat, one coat only, and you should be able to see through it, get spec sheet with the product you get for instructions, it should just tint the substrate, not blank it out completely. Any paint and filler which has been softened by the stripper will have to be removed, which is why I dont use stripper on machinery. Tractol is a very good product, and give excellent results when sprayed or brushed, I have used loads of it. but the finish comes from the preperation and the smoothness of the primer coats, the better they are , the better the finish! There is a knack to using and flatting stopper (cellulose putty), it is like thick primer that you apply with a knife or plastic card. Applied thinly to the bare casting (as they did at the factory) then wet flatted 24 hours later, can bring the areas of bare metal up to absolutely level with the existing flatted paintwork, and then a couple of thin primers are all that is needed. Have a look for some online tutorials on machinery refinishing/painting.

Phil

Edited By Phil Whitley on 20/06/2020 21:17:19

20/06/2020 20:48:54

Once you get back to the original paint, leave it! feather the edges of any bare metal areas with a sander to thin the paint edge and make sure the paint is sound, then etch prime the bare metal. if you can still see the bare metal area, use a very thin layer of cellulose stopper or heavy coats of sprayed primer till there are no visible repairs, then denib it and put on the finish coats. Denibbing means sanding dry with fine abrasive 120 to 200 till the primer feels smooth. When using an oil based paint, you do not need the perfect primer coat that you need with cellulose paints, but you need a spraygun to speed up the whole process. Remember, remove all the overpainting, but leave any good areas of original finish or filler alone. You have seen the finish on my lathe, that is exactly how I did it! Stripping it back to bare metal is a nightmare, the castings are a lot rougher than they look, they used to cover the whole casting in stopper (cellulose putty) and then wet flat them and primer. Even in a heated paint shop, leave the stopper 24 hours for even a thin coat before you try to wet flat it. Fine surface filler to which you add hardener is better, but you have to put it on thicker than stopper, and it is tricky to rub down without breaking through, because it takes a lot more rubbing to get a good finish. several coats of sprayed on high build acrylic primer can save many hours of frustrating fill wait flat repeat cycles!

Phil

20/06/2020 15:02:07

Hi all, Richard, you need to put an etch primer on the aluminium or the paint won't stay on, it is a difficult metal to paint, the yellow dust coat in my pics of my lathe rebuild are the etch primer. Once I had removed all the repainting on my lathe with thinners (acetone) I flatted the original paint finish, and feathered out the edges with a sander where the original paint was missing, I then etch primed all the bare metal, and used high build acrylic primer till the repairs dissapeared, then denibbed it and put the finish coats on. Stripping the lathe back to bare metal will be torture, and if the paint stripper gets to the original filler and starts to soften it, that will all have to come off as well. Much better to remove all the repainting, then rub down and prime the bare metal, and use cellulose stopper or fine surface filler on any noticable defects, then repaint. Nice Bowl!

Phil

Edited By Phil Whitley on 20/06/2020 15:03:42

Thread: 3 Phase in a Model Engineers workshop
20/06/2020 14:37:30

Excellent news! I can understand it sorting the contactor problem, but not the single phasing on the motor, unless the coil pull was too weak to properly close the contactor. I must admit I am not familiar with artificial 3 phase systems. I have only used capacitor phase shifting for testing motors where proper 3 phase was not availble. Glad to hear it is fixed!

Phil

Thread: My week this week! My workshop videos
19/06/2020 21:49:21
HI All,
This week Workshop becomes paintshop as I spray the welder and the Jones and Shipman bench centres, and I get them both finished, and check out the RDG lathe test bar Enjoy. like and subscribe! it has been a good week, on Wednesday I thought it was Tuesday, and I spent most of Thursday dozing in the Car park at HRI while Cath had a chest Xray and tests before getting the all clear! Life goes on!
Phil, Mutch Dripping on the Wolds, East Yorkshire

Edited By Phil Whitley on 19/06/2020 21:50:57

Magazine Locator

Want the latest issue of Model Engineer or Model Engineers' Workshop? Use our magazine locator links to find your nearest stockist!

Find Model Engineer & Model Engineers' Workshop

Latest Forum Posts
Support Our Partners
emcomachinetools
Eccentric July 5 2018
Warco
Allendale Electronics
ChesterUK
cowells
Eccentric Engineering
Subscription Offer

Latest "For Sale" Ads
Latest "Wanted" Ads
Get In Touch!

Do you want to contact the Model Engineer and Model Engineers' Workshop team?

You can contact us by phone, mail or email about the magazines including becoming a contributor, submitting reader's letters or making queries about articles. You can also get in touch about this website, advertising or other general issues.

Click THIS LINK for full contact details.

For subscription issues please see THIS LINK.

Digital Back Issues

Social Media online

'Like' us on Facebook
Follow us on Facebook

Follow us on Twitter
 Twitter Logo

Pin us on Pinterest