Відео

Many thanks, Andrew. I can safely say that parting off has greatly improved as a result of the series to come!

@@Workshopfriend Ohh, even more reason to watch the new series. 👏👏

Thanks, Andrew. If every project were straightforward there wouldn't be the opportunity to learn something new.

@@Workshopfriend Indeed. I only enjoy the challenge of new projects as they inevitably require me to learn new things. I definitely do not enjoy repeat work.

Thank you, Andrew. The rotary table is useful though a little on the small side. The engraving didn't turn out well as I was relying on lathe gear change wheels and there seemed to be some flexibility in the system.

Thank you, John! Being a retired machinist you might have had a better approach.

Thanks, Tony. In between other jobs I will be looking at improving the nose taper.

Thanks, Steve. You could well be right though I thought it might be small quantities of trapped dirt. It was very easy to get it out of square like fitting a bearing.

Thanks, Phil. Yes I am going to choose the best female taper to blue up and see if I can improve the run out but without the added complication of making a video!

Thank you, Constantine. I am learning from this that nose taper issues seem to be common and that several have attempted to correct by stoning - some with good results. I would be reluctant to attempt to true up my taper by turning - grinding maybe. I would say this taper was quite hard.

Thanks, Willem. I think if I hadn't drawn a temporary line under this here (as a video project) it could have become frustrating.

My opinion on the Collet Closer was designed for fast production work, the bar stock fed in, machined, parted off, and bar stock fed in again where runout was not a critical consideration. The balls will always indent the mating surfaces causing minor runout, not a problem for production work as long as the work is securely held.

I think you are right! Essentially a different tool from the key operated collet chuck.

Thank you, Carl. Although this video series is complete I will continue to look for improvements including bluing the nose taper as suggested by Phil and Seamus.

Good point. Yes, I could be guilty of that!

Thanks for your feedback, Seamus. You have inspired me to get the blue out with my best taper. If I can get .01mm I will be very happy!

Thanks for your feedback. This was just my hobby - for me real recreation!

Thanks for your feedback. I understand your point and if ever I make an ER collet chuck I will certainly take your advice and turn the backplate in situ. Unfortunately, that isn't possible with this collet chuck. The condition of the lathe spindle nose taper, though not perfect, does not explain the run out I have seen. For the time being I am limited to trying rectify inaccuracies within the chuck itself. The next video may reveal to what extent this will improve the situation. Thanks once again.

Thanks, Tony. The only aspect of the rotary table I wasn't happy with was the poor engraving. I had to use the lathe gear train and it just wasn't consistent. Clive

Thanks, Phil. You have preempted my next video! In my case, however, it didn't seem to make much difference. It is so annoying that items had been fitted without first cleaning out the swarf.

@@Workshopfriend there was a lot of minor swarf damage on both internal and external tapers on my student, and I was amazed at the improvement I got when using the spindle bush and a test bar. The first time I blued it up it was immediately obvious why the errors were there! I will watch with interest! Phil

Thanks, Willem. I will continue to use the good old Kasenit, but with caution. Yes, the reason it wasn't concentric is because I hadn't fully cleaned up the surface - the light on the surface shows that. I hope to do a more thorough job of the testing next and final video. Glad to say that I am sure it isn't the bearings.

My can of Hardite had the bottom rust out, hazardous dust to clean up. Suggest you keep it in plastic bag.

Truck driver recently died, delivering cyanide to W Australian mine, swept out his truck and found dead in the cab.

Umm, will be extra careful!

Thanks, Constantine. I would be very happy with .005-.007mm TIR! That sounds very good at the outer edge of the collet chuck. I wonder if the spec on the lever operated collet chuck was lower since it was probably intended for higher volume work(?)

Thanks, Carl. I think I am on the way to eliminating some of it. Next video will tell. But, honestly, at this point I don't know the actual outcome.

Thank you!

Absolutely!

I just went out to the workshop to check - you are absolutely right! Solution press forward/reverse button on the VFD. It may have been running like this for some time. I can't believe I set it up like this when I changed the inverter. Could have pressed the reverse button when reaching down to start!

Thank you, Phil!

I already made a video on this which you can view here ua-cam.com/video/-E2vdmawWxw/v-deo.html The holder is not perfect, but it suits me. I might make another clamp which fits over the boring with the tool in situ.

@@Workshopfriend Thank You

Hello Kit. I cannot claim to be professional in any of those areas. I did an engineering apprenticeship which included some workshop practice but have had access to a lathe of one kind or other from a young age.

Thanks, Carl. Almost finished the final part. I need to test it out again as I wasn't happy with the way I did it the first time round.

Thanks for your encouragement to keep going!

Thanks so much , Seamus. Will see how it performs.

Thank you!

Thanks, Tony. Yes, it saves items dropping into the swarf!

Thank you, Andrew, for your as usual encouraging words!

Thanks for your encouragement! I know that inches are not everyone's favourite but I find imperial linear measurements easier.

Yes, Kit, it is good to see camaraderie amidst all the chaos!

Thanks, Paul!

Thanks, Steve. Yes, I'm looking forward to using it.

Actually, it is from the UA-cam audio library - "Put It" by TrackTribe. Good to give the originators a call out!

Thanks for comment! I didn't find 7/16 UNC tool post bolt to be so common or cheap.

​@Workshopfriend if you have all that gear and can't find a 7/16 unc. Go back to bed

...with the right size head to match the others, No. Perhaps you can show me the supplier. Too late for me but it might help out others who need to this item.

@@Workshopfriend I just replaced all 8 of mine with grub screws cheaper than 1 original. No specially tool required.

That is good solution. It also reduces occasional interference with the handle!

Interesting to know your connection with Lahore. I purchased this from Murree but shipped it from S Punjab.

@@Workshopfriend When I was out there (British Council/ODA work) there was a Norton International 500 motorcycle that was for sale dirt cheap, and I almost bought it, but the prospect of arranging shipping was too daunting.

Good to know, Paul, that my videos reach the US too!

Thank you for your feedback!

Assuming you mean ball bearing pillow blocks - I have seen others on UA-cam use them on homemade lathes. Technically speaking they are not really intended for this purpose since they are normally not designed to carry heavy end loads nor provide good radial location. However, it would probably work. I preferred the plain bearings because I could easily incorporate them into the casting and design the spindle the way I wanted it. Thanks for your question.

Thanks for your feedback. Will try to keep the videos coming.

Thanks, Andrew. Sometimes those small jobs save time in the long run.

I suspect it does so I will be looking out for this issue. In my previous setting I didn't have the opportunity to look out for it. If it is a problem I will try another material.

Thanks, Carl. I would have painted the floor too to make cleaning easier but didn't have time.

Thank you! Yes, it is part of a nice set I picked up.

Glad I'm not the only one. It doesn't seem like an omission but a design choice. Not sure whether it is worth adding a lock.

Hello Ian. I obtained it online from Bearingboys. OS25x40x10 R23

Thank you Clive, regards

Thanks for mentioning this. Sadly, I don't have space or time just now. Perhaps someone else on this thread is interested!

@@Workshopfriend you are welcome.