I've got to say, the Harrison m250 is quite a lathe. I really enjoy the level of detail, and how to go over the in out on electronics, that will definitely come in handy when I start getting into some bigger electrical circuits on cnc machines. Great job!
Thank you, I am pleased you found something useful. The Harrison M250 is actually the smallest of the M series lathes that Harrison produced. That said, I find that it is more than capable enough for my needs. In the UK when you get above model engineering in terms of the scale of your workpieces, then it is either Harrison or Colchester. Thank you again for taking a look. I have plans for further films in the near future.
Hi Carl. Your M250 is in lovely condition. I went through a similar process when I put a DRO on my M300 except I asked the google gods for pinouts. We must be leading parallel lives as I too lugged a Telequipment D52 scope from the Amateur Radio shop in Huddersfield back home on the bus. I also have a nearly empty solder reel (proper solder, which melts) which found its' way into my tool bag before I finished my stint in the RAF 35 years ago. The Z will be difficult to see probably due to trigger issues. You may see it with a really quick feed rate (or a better scope). Nice video Carl. Keep at it.
Hello my friend. Thank you for your kind comments. I am glad you enjoyed the film. My Telequipment scope came from a shop in Hull called Fanthorpes. The kind of place you could easily spend a day rummaging in. I now have two Telequipment S31 valve scopes, both requiring some work. I'll get to them one day! The Archer solder is "proper" as you describe. I too am ex RAF. I hope you enjoy my other films.
Hello people! This is my first "proper" youtube video. In this film I explain how I used an oscilloscope to troubleshoot the DRO system on my Harrison lathe. It took me a long time to decide on whether or not to launch my channel. After all, there are so many youtube workshop and amateur engineering channels, so how could I add anything new? I hope that I have done just that with this, my inaugural offering. My camera work is suspect and Joe Lucas is my lighting man - I know this and am striving for improvement. In the mean time I hope that the content makes up for the shoddy production values. Please Like, Subscribe and Share. And please feel free to leave me a comment.
Thank you Richard. I hope all is well with you. I am glad I pass muster on the lecturing front! I thought my camera work wasn't that great, but thanks for the compliment!
Hi Carl, well done that man! For a first video, very well thought out, narrated, explained and put together. You must have had some good teachers lol. To say this was electronics and I followed and more importantly, understood the topic beginning to end, you must be doing something right as you are the first electronics lecturer that has managed to do that (including my school and ONC/HNC teachings). When I saw your pointer, I kept expecting you to flip it round to show a microphone sleeve, and do a Terry Wogan impression lol. Only people our age will get that one! Well done mate, putting my rubbish to shame on your first go! Cheers, Jon
Thank you Jon. Coming from you that is a great compliment. I hope I have produced something that other people will find useful. I couldn't find much info on these DRO systems online hence the idea for the video. I really like the Wogan style mic idea! Wish I had thought of that. I have lots of ideas for projects I can show and then of course there is the mill... I hope to be able to bring something of interest each time. Thanks again for your support.
Thank you sir! II appreciate your subscription very much. Please remember to click the notifications bell. I have had instances of people not being aware when I put out a new film. Clicking the bell ensures you will be kept up to date. Thanks again and I hope you enjoy the rest of my content.
Hello Carl, Good video... If you carry on that way I feel sure your channel will grow and grow... Merry Christmas and a Happy New Year to you. Take care. Paul,,
Spot on video. Very clear and we'll presented. I think your subject fills a gap and will be well received. I'll be sharing your channel with my viewers. Best wishes, Dean in Oxfordshire.
Thanks very much Dean in Oxfordshire. I really appreciate the support. I am glad you think what I have done is worthwhile. I have lots of ideas for projects so please look out for future videos.
Hi Carl, Great job on explaining TTL encoders, this was something I had to learn in the late 90's, for a new job, this was on Heidehain linear input to Allen Bradley SLC family of PLC, the Z marker was an external magnetic insert, that we had to slide in 50mm steps to suit referencing on power up. The Heidehain supply was 5.0 V, but output was 3.3 V. Impressive on your first video, great job again. Thanks for sharing. Best regards John.
Thanks John, I'm really pleased you enjoyed it. Thanks for watching and commenting. I like the electronic and electrical side of things as much as machining and mechanical.
@@carlwilson1772 Hi Carl, It would be Interesting to see what mode the counter is actually using, quadrature mode is plenty suffice, there's another less accurate mode using just the leading edge only if I remember correctly 🤔. Best regards John.
@@bostedtap8399 Hi John, it is using quadrature, I know this because I have disconnected signals to see if it still works. It needs to see both outputs. what I'd like to do is to build a unit that gives a readout of feed rate, using the method related to frequency that I talk about at the end. Thanks for you thought provoking comments and of course your support!
@@carlwilson1772 Hi Carl, Both A & B channels are used, but I think it was only the rising edge of each signal, I think Quadrature mode uses both rise and fall on each channel, I could be wrong, but I remember something about configuring the PLC high speed counter card to Quadrature mode, earlier processors didn't have this option. Bit of Internet searching for me 🤔. Regards John
Hi Carl, The other mode is called "Pulse and Direction Imput", found this on Rockwell Automation 1746-HSCE ( publication 1746-UM006B-EN-P), this mode is for rotary encoders I think, so not really relevant to linear configuration, but still another method. We use Balluff Micropore transducers currently, analog based, there are easier to install and far more resistant to vibration, we used Temposonic devices as well. I wite the operation manuals now, so nice easy job, and keeps me abreast of changes in controls etc. Would an Arduino unit be used for velocity, they look quite versatile devices? Regards John.
I've got to say, the Harrison m250 is quite a lathe. I really enjoy the level of detail, and how to go over the in out on electronics, that will definitely come in handy when I start getting into some bigger electrical circuits on cnc machines. Great job!
Thank you, I am pleased you found something useful. The Harrison M250 is actually the smallest of the M series lathes that Harrison produced. That said, I find that it is more than capable enough for my needs. In the UK when you get above model engineering in terms of the scale of your workpieces, then it is either Harrison or Colchester. Thank you again for taking a look. I have plans for further films in the near future.
Hi Carl. Your M250 is in lovely condition.
I went through a similar process when I put a DRO on my M300 except I asked the google gods for pinouts. We must be leading parallel lives as I too lugged a Telequipment D52 scope from the Amateur Radio shop in Huddersfield back home on the bus. I also have a nearly empty solder reel (proper solder, which melts) which found its' way into my tool bag before I finished my stint in the RAF 35 years ago.
The Z will be difficult to see probably due to trigger issues. You may see it with a really quick feed rate (or a better scope).
Nice video Carl. Keep at it.
Hello my friend. Thank you for your kind comments. I am glad you enjoyed the film. My Telequipment scope came from a shop in Hull called Fanthorpes. The kind of place you could easily spend a day rummaging in. I now have two Telequipment S31 valve scopes, both requiring some work. I'll get to them one day! The Archer solder is "proper" as you describe. I too am ex RAF. I hope you enjoy my other films.
A great start Carl, looking forward to the next instalment!
Thank you so much. I hope you enjoyed it and thank you for watching. I have more ideas for new films so please keep an eye out for me!
Carl,
Really enjoyed this first video. Look forward to the next one.
Merry Christmas
Mitch
Thanks Mitch, I am glad you liked it. More to come. We must get together sometime.
Hello people! This is my first "proper" youtube video. In this film I explain how I used an oscilloscope to troubleshoot the DRO system on my Harrison lathe. It took me a long time to decide on whether or not to launch my channel. After all, there are so many youtube workshop and amateur engineering channels, so how could I add anything new?
I hope that I have done just that with this, my inaugural offering. My camera work is suspect and Joe Lucas is my lighting man - I know this and am striving for improvement. In the mean time I hope that the content makes up for the shoddy production values.
Please Like, Subscribe and Share. And please feel free to leave me a comment.
Great work Carl, presentation style is extremely clear, great camera work as well.
Thank you Richard. I hope all is well with you. I am glad I pass muster on the lecturing front! I thought my camera work wasn't that great, but thanks for the compliment!
Great Job Carl, catching up on your channel. You will take off, just keep at it and keep putting up the great content.
Thank you Dale!
Hi Carl, well done that man! For a first video, very well thought out, narrated, explained and put together. You must have had some good teachers lol. To say this was electronics and I followed and more importantly, understood the topic beginning to end, you must be doing something right as you are the first electronics lecturer that has managed to do that (including my school and ONC/HNC teachings). When I saw your pointer, I kept expecting you to flip it round to show a microphone sleeve, and do a Terry Wogan impression lol. Only people our age will get that one! Well done mate, putting my rubbish to shame on your first go! Cheers, Jon
Thank you Jon. Coming from you that is a great compliment. I hope I have produced something that other people will find useful. I couldn't find much info on these DRO systems online hence the idea for the video. I really like the Wogan style mic idea! Wish I had thought of that. I have lots of ideas for projects I can show and then of course there is the mill... I hope to be able to bring something of interest each time. Thanks again for your support.
I liked the content, I learnt from it and so I subscribed.
Thank you sir! II appreciate your subscription very much. Please remember to click the notifications bell. I have had instances of people not being aware when I put out a new film. Clicking the bell ensures you will be kept up to date. Thanks again and I hope you enjoy the rest of my content.
Hello Carl,
Good video... If you carry on that way I feel sure your channel will grow and grow... Merry Christmas and a Happy New Year to you.
Take care.
Paul,,
Hello Paul, thank you very much. I hope so. I really like your channel too and have subbed to you.
Spot on video. Very clear and we'll presented. I think your subject fills a gap and will be well received. I'll be sharing your channel with my viewers. Best wishes, Dean in Oxfordshire.
Thanks very much Dean in Oxfordshire. I really appreciate the support. I am glad you think what I have done is worthwhile. I have lots of ideas for projects so please look out for future videos.
PS thanks for sharing my channel with your viewaaaaz.
Hi Carl,
Great job on explaining TTL encoders, this was something I had to learn in the late 90's, for a new job, this was on Heidehain linear input to Allen Bradley SLC family of PLC, the Z marker was an external magnetic insert, that we had to slide in 50mm steps to suit referencing on power up.
The Heidehain supply was 5.0 V, but output was 3.3 V.
Impressive on your first video, great job again.
Thanks for sharing.
Best regards John.
Thanks John, I'm really pleased you enjoyed it. Thanks for watching and commenting. I like the electronic and electrical side of things as much as machining and mechanical.
@@carlwilson1772 Hi Carl,
It would be Interesting to see what mode the counter is actually using, quadrature mode is plenty suffice, there's another less accurate mode using just the leading edge only if I remember correctly 🤔.
Best regards John.
@@bostedtap8399 Hi John, it is using quadrature, I know this because
I have disconnected signals to see if it still works. It needs to see both outputs. what I'd like to do is to build a unit that gives a readout of feed rate, using the method related to frequency that I talk about at the end. Thanks for you thought provoking comments and of course your support!
@@carlwilson1772 Hi Carl,
Both A & B channels are used, but I think it was only the rising edge of each signal, I think Quadrature mode uses both rise and fall on each channel, I could be wrong, but I remember something about configuring the PLC high speed counter card to Quadrature mode, earlier processors didn't have this option. Bit of Internet searching for me 🤔.
Regards John
Hi Carl,
The other mode is called "Pulse and Direction Imput", found this on Rockwell Automation 1746-HSCE ( publication 1746-UM006B-EN-P), this mode is for rotary encoders I think, so not really relevant to linear configuration, but still another method. We use Balluff Micropore transducers currently, analog based, there are easier to install and far more resistant to vibration, we used Temposonic devices as well.
I wite the operation manuals now, so nice easy job, and keeps me abreast of changes in controls etc.
Would an Arduino unit be used for velocity, they look quite versatile devices?
Regards John.
Heavy stuff, but well explained. Thank you!
My pleasure my friend, thank you.
Good job brother thanks for sharing.
Thanks Cain and welcome! Thanks for subscribing, I have seen you commenting on my brother's channel.
👍
Thanks for your comment my friend.