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19th Mar 2024, 09:16 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Thanks for the compliments racingtadpole....
Thanks for the compliments racingtadpole. Actually apart from a few years following uni designing and repairing electronic equipment I haven’t really been involved with industrial control – spent...
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18th Mar 2024, 10:50 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Part 14 – Additions and alterations
One thing I hadn’t noticed until I mounted a drill chuck in the tailstock and drilled some holes was that the quill isn’t marked with a scale, instead the extension is read off from cylindrical...
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17th Mar 2024, 12:10 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Part 13 – Testing and alignment
Now for the moment of truth. I firstly levelled the lathe, snugged up all the gibs to just before the point of binding and set the tailstock offset to zero according to the original manufacturing...
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10th Feb 2024, 10:41 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Part 12 – Electrical & final reassembly
It’s been a while since my last update owing to the PLC I ordered from AliExpress going missing in transit and deemed ‘officially lost’ by Auspost (first time this has happened to me with an...
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22nd Nov 2023, 07:58 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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Thanks, that's pretty much what I thought too. At...
Thanks, that's pretty much what I thought too. At this stage I'm still planning on using a contactor for controlling the coolant pump, but maybe I should use a VFD for that too. But it would mean...
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21st Nov 2023, 04:01 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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- 4,236
Part 11 – Untangling the wiring
Apparently this machine started life with various attachments and associated electrical equipment that automated certain functions, details of which seem to have vanished into the mists of time. Then...
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15th Nov 2023, 09:58 PM
Thread: DRO Advise Please
by AlexD- Replies
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I’ve bought several from AliExpress – both Easson...
I’ve bought several from AliExpress – both Easson and Sino glass scales. I haven’t had any problems using Sino scales with Easson displays and vice versa. For me the only significant difference...
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17th Oct 2023, 12:18 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Part 10 - Rapids box
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After removing the motor (the easy part) I set about removing the 2 shafts so I could clean and examine the clutches, clean out the brown gunk at the bottom of the housing,... -
30th Sep 2023, 04:43 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Part 9 - Carriage reassembly
I now had 2 refurbished parts that needed to be joined with and put back on the bed, each too heavy for me to lift. I considered coming up with some way to support the apron on the machine then using...
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24th Sep 2023, 12:25 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Part 8 – Apron refurbishment
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Inside the apron were more taper pins, and it was here that I have found the most wear so far – not so much on the gears or shafts, but mainly on the various levers and pins inside the... -
18th Sep 2023, 11:06 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Part 7 – Removing the apron and rapid box
In order to remove the apron the 'rapid box' at the right hand end of the bed had to be removed, and to remove that, most of the sheet metal housing had to come off. Quite a lot of work, and I was...
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17th Sep 2023, 10:41 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Yeah the inner workings of the apron look very...
Yeah the inner workings of the apron look very similar, just another bit tacked on to the right hand end of mine.
Re the hand wheel disengagement system, it's slightly different on my machine and... -
17th Sep 2023, 09:43 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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Part 6 - Saddle
After my initial measurements of the wear on the bed ways, I was keen to inspect the saddle ways. I’ve read that some SAG 210 lathes were made with turcite on those ways, and if so that could be...
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5th Sep 2023, 11:04 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
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Part 5 – Cross slide & compound
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Looking at the exploded parts diagram it seemed that in order to remove the cross slide I had to remove its lead screw. To remove that I had to remove the handwheel, but that was attached... -
4th Sep 2023, 08:43 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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Thanks. My guess is that the dimples are there to...
Thanks. My guess is that the dimples are there to help anything you put there staying put. It's made of a fairly hard plastic, maybe acrylic. There's a similar dimpled cover over the headstock.
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2nd Sep 2023, 11:16 AM
Thread: D1-6 spindle nose cams
by AlexD- Replies
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Although I did my dough this time, I've generally...
Although I did my dough this time, I've generally had a pretty good run with AliExpress over the years. It depends on the seller - most of the ones I've bought from are pretty good, but every now and...
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1st Sep 2023, 11:05 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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Part 4 – Tailstock
The main issue I could see with the tailstock was surface rust, which doesn’t affect performance but I wanted to get it off and out of the way before attempting to remove the carriage assembly, so it...
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31st Aug 2023, 12:07 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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Part 3 – Chuck & bed wear
Before going any further I took some quick measurements to get a sense of how much wear there was in the bed and the 250 mm D1-6 3 jaw Bison chuck that came with it. Everything seemed to move...
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31st Aug 2023, 11:01 AM
Thread: D1-6 spindle nose cams
by AlexD- Replies
- 10
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- 1,111
I argued long and hard with AliExpress for a...
I argued long and hard with AliExpress for a refund but wasn't successful. I won't be buying from that vendor again.
In the end I contacted H&F to see if they could supply a set for their CL-410... -
30th Aug 2023, 12:38 PM
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I've carried out a fair bit of rust removal over...
I've carried out a fair bit of rust removal over the years. Phosphoric acid, or treatments based on it, never seem to penetrate very deep into the rust, so I've come to the conclusion that the...
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30th Aug 2023, 12:08 PM
Thread: Pin 4 and an AliExpress DRO
by AlexD- Replies
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Have you checked the supply voltage? A similar...
Have you checked the supply voltage? A similar thing happened to me - the supplied DRO was set to 230v, but the supply from my milling machine was 110v. Once I set the DRO to 230v everything worked...
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30th Aug 2023, 11:18 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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Part 2 – Chuck handling
The machine came with 3 chucks, a blank D1-6 backing plate, and a dog driving plate. All of which are heavy and need to be stored and handled conveniently for an old guy. So after a fair bit of...
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30th Aug 2023, 10:13 AM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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- 4,236
I bought it locally from a small workshop that...
I bought it locally from a small workshop that was selling up. It was advertised on Facebook. They had several other lathes and milling machines, and hadn’t used the Graziano much because most of the...
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29th Aug 2023, 05:55 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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- 4,236
Actually I had looked at even larger machines (80...
Actually I had looked at even larger machines (80 mm spindle hole!) but in the end decided that might be overkill. When I first received the SAG 210 I was a bit disappointed at how dirty it was and...
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29th Aug 2023, 05:43 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
- Views
- 4,236
It's the 1000 mm version. Supposedly around 2.2t....
It's the 1000 mm version. Supposedly around 2.2t. Moving wasn't too bad. Access to my garage is okay, and I used a truck with a Hiab to load & unload, then steel pipe to roll it into place. I have...
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29th Aug 2023, 05:33 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
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- 4,236
Part 1 – Chip tray / coolant tank
The first thing I discovered was that the chip tray / coolant tank would not quite fit under the machine, which I could have fixed by raising the machine, however all but one of the lathe’s height...
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29th Aug 2023, 04:51 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
- Views
- 4,236
I'm thinking of replacing that panel with...
I'm thinking of replacing that panel with new/different controls once I get the mechanical side cleaned up and reassembled. Some of those pushbuttons related to the semi-automatic functions that have...
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29th Aug 2023, 03:26 PM
Thread: Graziano SAG 210 refurbishment
by AlexD- Replies
- 38
- Views
- 4,236
Graziano SAG 210 refurbishment
Like many here I often dream about bigger machines with more features, especially as I get further down the rabbit hole. My AL-960B lathe, while a very capable machine, does have limitations, so for...
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10th Aug 2023, 06:20 PM
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I bought a 300 mm version of one of those shears...
I bought a 300 mm version of one of those shears from an eBay seller a few years ago, but wasn’t impressed with it at all. The stroke was significantly less than 300 mm, so I moved the lever pivot...
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30th Jul 2023, 07:06 PM
Thread: D1-6 spindle nose cams
by AlexD- Replies
- 10
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- 1,111
D1-6 spindle nose cams
I’m in the process of refurbishing a lathe that has a D1-6 spindle nose, and found all but one of the spindle cams were cracked. After a bit of searching the only place I could find selling to...
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24th Jul 2023, 09:36 AM
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Diggers All Purpose Thinner works pretty well for...
Diggers All Purpose Thinner works pretty well for me. Also natural Turpentine, although that is quite expensive.
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20th Jul 2023, 12:13 PM
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That was basically it, although there is a fair...
That was basically it, although there is a fair bit of work involved as you can see by the photo where I crammed everything into a PC case including stepper power supply, drivers, breakout boards and...
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16th Jul 2023, 10:30 AM
Thread: HM48B Mill Drill Question
by AlexD- Replies
- 7
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- 1,152
These photos are of the motor I removed from my...
These photos are of the motor I removed from my HM-48 purchased in 2016. I don't know if they still use the same motor:
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Soon after I purchased my HM-48 I replaced this motor with a... -
15th Jul 2023, 09:20 AM
Thread: Beginner DIY Drawbar
by AlexD- Replies
- 22
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- 1,473
I didn't have a welder when I made my M12...
I didn't have a welder when I made my M12 drawbar. Instead I brazed the nut on using a propane torch. Just as strong as welding...
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14th Jul 2023, 11:00 AM
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Stepper motors
Another idea to complicate your decision is to use stepper motors for the axes you want to drive. Not that difficult to make mounts to directly drive axes, and with some computer & electronics...
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28th May 2023, 04:32 PM
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That looks pretty good. How did you engrave the...
That looks pretty good. How did you engrave the lines and get such even numbering?
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24th Apr 2023, 06:45 PM
Thread: 48 inch Belt Grinder
by AlexD- Replies
- 4
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- 2,751
Other random notes
The D-plate is designed to rotate to any angle, and when turned through 180 degrees has provision for fitting a rubber contact wheel up to 6” diameter. The tool rest arm fits either of 2 slots, and...
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24th Apr 2023, 06:36 PM
Thread: 48 inch Belt Grinder
by AlexD- Replies
- 4
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- 2,751
48 inch Belt Grinder
Lately I’ve noticed a lot of buzz about belt grinders, mainly from knife makers but also for general workshop use. Seems one could be pretty useful for grinding material flat or at a specific angle...
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28th Mar 2023, 10:22 AM
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I bought this set...
I bought this set from AliExpress a few years ago, includes 8-12.7 mm, current price around AU$21 including freight. They work okay, but you do have to be careful not to let the piston fly out from...
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1st Mar 2023, 05:53 PM
Thread: Controlling a single phase motor with a VFD
by AlexD- Replies
- 11
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- 1,701
It would be interesting to see those results, and...
It would be interesting to see those results, and the specific type of motor that was used. The one I am currently testing is the type that has a permanently-connected start winding, and so I'm...
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1st Mar 2023, 10:16 AM
Thread: Controlling a single phase motor with a VFD
by AlexD- Replies
- 11
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- 1,701
So far I haven’t continuously run any of the...
So far I haven’t continuously run any of the motors I tested for more than about 5 minutes, but none have shown any signs of becoming too hot, although that would change under load. When I get time I...
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28th Feb 2023, 05:50 PM
Thread: Controlling a single phase motor with a VFD
by AlexD- Replies
- 11
- Views
- 1,701
Controlling a single phase motor with a VFD
I’ve often wondered if there was some way I could control the speed of a single phase induction motor – the type with separate run and start windings – with a VFD, thereby avoiding the cost of a new...
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3rd Feb 2023, 08:17 AM
Thread: DRO For the 12x36
by AlexD- Replies
- 22
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- 2,390
You might want to double check the travel of your...
You might want to double check the travel of your cross slide before ordering. The manual for the similar Grizzly model (G4003) lists the cross slide travel as 6.25" (about 160 mm), so you should be...
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2nd Feb 2023, 07:00 PM
Thread: DRO For the 12x36
by AlexD- Replies
- 22
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- 2,390
I’ve generally had pretty good luck buying DROs...
I’ve generally had pretty good luck buying DROs from AliExpress. However for my AL-960B I ordered a slim scale for the cross slide so it would fit under the compound when it was rotated, but received...
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28th Nov 2022, 05:55 PM
Thread: D1-4 Receiver for rotary table & mill
by AlexD- Replies
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- 1,420
Salv, good questions. I did think of making a...
Salv, good questions. I did think of making a register on the rear of the receiver that would mate with the MT3 taper in the centre of the rotary table, however I decided against that because of the...
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27th Nov 2022, 10:20 AM
Thread: D1-4 Receiver for rotary table & mill
by AlexD- Replies
- 7
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- 1,420
D1-4 Receiver for rotary table & mill
A while back I bought an HV-8 rotary table to use on my mill, but the setup isn’t all that straightforward, especially when transferring a part from the lathe and vice versa. The rotary table has 3...
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I also live in an area that has occasional short...
I also live in an area that has occasional short power dropouts – just long enough to take down any PC, server, or 3D printer, reset appliance clocks, and disconnect the Internet, among other things....
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14th May 2022, 01:18 PM
Thread: Prusa i3 vs Taz 6
by AlexD- Replies
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Prusa i3 vs Taz 6
Those of us who own 3D printers know how useful they can be. I guess most of us have also experienced the frustrations when things don’t go as planned, especially when it takes several time-consuming...
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5th Apr 2022, 06:44 PM
Thread: Toolbox organisation - tips needed
by AlexD- Replies
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Looks like they came out pretty good. If you want...
Looks like they came out pretty good. If you want a tighter fit you could try scaling them up a few percent in the slicer instead of editing them in Fusion 360.
I’ve been playing around with ways... -
31st Mar 2022, 07:57 AM
Thread: Toolbox organisation - tips needed
by AlexD- Replies
- 17
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- 2,568
No problem. Note they were optimised for printing...
No problem. Note they were optimised for printing with a 1.2 mm nozzle and 0.8 mm layer height, and I had to play around a bit with the sizes so that the interlocking holders would fit together...