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Type: Posts; User: Pete F
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29th August 2015, 04:02 PM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
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Yes that's definitely the case Ray. The amount...
Yes that's definitely the case Ray. The amount will depend on what grade of nylon it is. I knew nothing about any of this until getting into squirting the stuff around the place. We keep nylon...
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29th August 2015, 12:26 PM
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Assuming you're going to disassemble Bob? Hot...
Assuming you're going to disassemble Bob?
Hot Trisodium Phosphate, rinse in hot water to dry followed by an etch primer. Watch the TSP on some surfaces that aren't to be painted, especially chrome... -
29th August 2015, 12:04 PM
Thread: New power for mini mill???
by Pete F- Replies
- 11
- Views
- 1,275
Were you able to transmit the full 1/4 horsepower...
Were you able to transmit the full 1/4 horsepower available through that rubber band?
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29th August 2015, 11:41 AM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
For something like this Bob I think an...
For something like this Bob I think an approximation would be more than adequate with just a tad more clearance provided. The difference between 15 tpi and 15.24 tpi is only something like 1.5%...
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29th August 2015, 10:59 AM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Bob the gear combination will be purely a...
Bob the gear combination will be purely a function of the leadscrew and the lathe won't matter. However I'd forgotten you had an imperial lathe. If you take 25.4 and divide it by the pitch in mm, you...
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26th August 2015, 06:12 PM
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I guess you could grind a score mark in them and...
I guess you could grind a score mark in them and snap them down smaller, but yeah, I hear you regarding not seeming to have enough at times! I bought some very cheap feeler gauges somewhere in my...
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26th August 2015, 03:07 PM
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Nicely done. I agree, just flipping a part...
Nicely done.
I agree, just flipping a part will leave you standing there until the cows come home, and if a part is sucking down you either need to shim the bow in the part, or sometimes I will... -
26th August 2015, 12:09 AM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Bob, cutting the Schaublin thread isn't difficult...
Bob, cutting the Schaublin thread isn't difficult and I can send you the gear ratios for the 260 if you want to do that (I'm away at the moment). The trick is not to think about it being 1.6667...
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25th August 2015, 11:48 PM
Thread: Kingway alignment tool
by Pete F- Replies
- 30
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- 3,117
Mark, can you email or PM the details of the...
Mark, can you email or PM the details of the right angle connectors? I went looking for them and didn't really find anything in either right angle, or adjustable in other than smaller sizes. I have...
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24th August 2015, 12:14 AM
Thread: Kingway alignment tool
by Pete F- Replies
- 30
- Views
- 3,117
Mark I'm happy to go in for some vials too if you...
Mark I'm happy to go in for some vials too if you need to buy a number to make a purchase possible or cut down freight. Just send me an email when you get to that stage.
For the right angle and... -
22nd August 2015, 10:00 AM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Bob I always like the way you do things "right",...
Bob I always like the way you do things "right", and clearly this is no exception. However I can't help but wonder if you're not overly concerned about the accuracy of this part in regard the...
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22nd August 2015, 12:02 AM
Thread: DRO Advice
by Pete F- Replies
- 20
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- 1,703
Max if I recall correctly the brackets that came...
Max if I recall correctly the brackets that came with mine are still here in the scrap bin pile. I may have salvaged some to actually use, but can't recall doing so. I'd suggest machining up...
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21st August 2015, 10:02 PM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Michael, you can see that 54th hole is...
Michael, you can see that 54th hole is interfering. I guess in that regard it would work, but it's beyond not being elegant, and I certainly wouldn't do it. There is no real disadvantage to dropping...
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21st August 2015, 03:54 PM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Yeah, but you still have to stand there and...
Yeah, but you still have to stand there and layout 107 holes :oo: IIRC Bob is counting turns to do so too!!!
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21st August 2015, 03:38 PM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Sweet as Bro-Bob! That's exactly the sort of...
Sweet as Bro-Bob! That's exactly the sort of thing I had in mind.
That's a good video ... AND it's plastic Michael :wink: I subscribe to Tom Lipton's Youtube channel, almost certainly saw that... -
21st August 2015, 08:59 AM
Thread: Extracting wooden fence posts
by Pete F- Replies
- 44
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- 3,059
You're on a hiding to nothing if you try to brute...
You're on a hiding to nothing if you try to brute force a fence post out. RC nailed it, dig a "dam" around the post down about 300 mm, fill up the dam, stand back and have a beer. After it's began...
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21st August 2015, 08:51 AM
Thread: Slideway grinders go for a song
by Pete F- Replies
- 224
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- 19,893
Phil how did that shipment work out for you in...
Phil how did that shipment work out for you in the end? I must say you're a brave man to do all that work and expense and ship it off to a foreign country, still, Ireland isn't far away, and I guess...
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21st August 2015, 08:29 AM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Oh BTW Michael, I don't think this will work in...
Oh BTW Michael, I don't think this will work in the way I think you're imagining. You can't put in 2 rows of 54 and just leave one out at the end to get 107. :wink:
Bob if your existing dividing... -
20th August 2015, 11:35 PM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Michael printing holes on the edge probably...
Michael printing holes on the edge probably wouldn't result in them being very clean and round. Sometimes I'm however surprised with how well horizontally orientated holes work out though. The issue...
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20th August 2015, 07:41 PM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
G'day Bob, it's seriously no effort to print this...
G'day Bob, it's seriously no effort to print this off for you, and I think you underestimate both the accuracy and strength of the finished prints in plastic. At the BCD of the indexing plate, the...
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19th August 2015, 09:10 PM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
G'day Bob, yes a notched ring could be made, no...
G'day Bob, yes a notched ring could be made, no problem, but I wouldn't be too concerned about the amount of material, at least if I'm printing it for you.
I'm not sure why it's not possible to... -
19th August 2015, 05:16 PM
Thread: 0.3 Module Gear Cutting Query
by Pete F- Replies
- 90
- Views
- 6,673
Bob there are many different types of 3D printer...
Bob there are many different types of 3D printer technologies around, and unfortunately most not associated with the field just bundle them all in to "3D printing". It's a little like saying a "metal...
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17th August 2015, 02:58 AM
Thread: Waldown lapper and grinder
by Pete F- Replies
- 16
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- 1,970
Yes but they came from an era when everything was...
Yes but they came from an era when everything was built like that :D
Seriously though, you're lapping a centre, not punching through with a 25 mm morse taper drill bit, so I'm struggling to see... -
16th August 2015, 01:13 PM
Thread: Waldown lapper and grinder
by Pete F- Replies
- 16
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- 1,970
Cripes, for the money they're asking it seems a...
Cripes, for the money they're asking it seems a complete no brainer to modify an existing pedestal drill so the bottom centre can't rotate as it travels up and down; one ground rod a couple of...
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16th August 2015, 12:04 AM
Thread: Waldown lapper and grinder
by Pete F- Replies
- 16
- Views
- 1,970
I saw that thread, noted that it had been...
I saw that thread, noted that it had been answered at post #2, and moved on. As you said Phil, moving or repairing a centre is basic lathe work. Mind you in the land of "If it don't fit in a 3 jaw...
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15th August 2015, 08:39 PM
Thread: taper micrometers
by Pete F- Replies
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- 1,870
Mark wouldn't the readings be straight sine...
Mark wouldn't the readings be straight sine calculations? So if you know the distance between the sine pins then the calculations are standard. Mind you the only one I remember is 30 degrees. That...
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15th August 2015, 07:18 PM
Thread: taper micrometers
by Pete F- Replies
- 18
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- 1,870
Oh ok, in that case it would be very easy to make...
Oh ok, in that case it would be very easy to make one if it's just a mini sine plate. Well, maybe "easy" is relative, but at least theoretically straight forward.
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15th August 2015, 05:38 PM
Thread: taper micrometers
by Pete F- Replies
- 18
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- 1,870
Thanks Mark, I've had these saved as an ebay...
Thanks Mark, I've had these saved as an ebay search for years, they rarely come up. However their construction is such that it would be possible to make a fairly good facsimile with a micrometer...
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12th August 2015, 06:18 PM
Thread: DIY Run flat trolley wheels.
by Pete F- Replies
- 46
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- 4,173
Instead of drilling a hole in the tyre, why not...
Instead of drilling a hole in the tyre, why not just take the valve out of the tube and poke the nozzle in there?
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10th August 2015, 07:33 PM
Thread: Removing the headstock of a Hercus AR
by Pete F- Replies
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- 2,763
Ken there was nothing special grade about the...
Ken there was nothing special grade about the bearings Hercus put in there from new. They were schmuck grade, and definitely not $1000 ultra-precision bearings.
I just went through the exercise... -
10th August 2015, 07:37 AM
Thread: DRO Advice
by Pete F- Replies
- 20
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- 1,703
In Z the level of precision will basically be...
In Z the level of precision will basically be ordered: Knee, then quill, then .... hand drill. So it makes sense to use your most convenient and accurate Z readout on the knee, as that's what you'll...
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9th August 2015, 10:45 PM
Thread: DRO Advice
by Pete F- Replies
- 20
- Views
- 1,703
Honestly Max, I would go with the Singapore...
Honestly Max, I would go with the Singapore option. Yes it's relatively expensive, but I haven't had any issues with mine and it's a tried and proven method of measuring. Once you have a DRO you will...
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9th August 2015, 03:16 PM
Thread: DRO Advice
by Pete F- Replies
- 20
- Views
- 1,703
G'day Max, most of the machines I've seen like...
G'day Max, most of the machines I've seen like this have the DRO on the knee, and have a separate and inexpensive self-contained scale on the quill. Something like this...
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6th August 2015, 05:00 PM
Thread: Making Bronze bushes
by Pete F- Replies
- 11
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- 985
It's hollow so will need a pipe centre.
It's hollow so will need a pipe centre.
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6th August 2015, 02:45 PM
Thread: carbide bench grinders
by Pete F- Replies
- 21
- Views
- 2,097
In the US those grinders sell quite cheaply,...
In the US those grinders sell quite cheaply, however here you could buy a good used T&C grinder for the same amount of money, or cheaper. Otherwise a reasonable tool rest from Veritas is quite...
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28th July 2015, 11:22 PM
Thread: Is there someone out there
by Pete F- Replies
- 29
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- 2,334
It's ok, he's wearing his safety hoodie!
It's ok, he's wearing his safety hoodie!
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28th July 2015, 06:01 PM
Thread: Slideway grinders go for a song
by Pete F- Replies
- 224
- Views
- 19,893
Listen to Da Man Mark, chop chop! All being well...
Listen to Da Man Mark, chop chop! All being well I'll have the Type 0 finished this week and then I will have to get a 9" bed ready as a crash test dummy for you:D
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27th July 2015, 04:30 PM
Thread: Spindle Weld Repair.
by Pete F- Replies
- 13
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- 1,381
Nicely done Phil, a very professional end result,...
Nicely done Phil, a very professional end result, as always.
What did you grind the spindle face on? It looks like it may have been side wheeled, but if so I sure would like to see some shots of... -
19th July 2015, 04:51 PM
Thread: Making a Drawbar
by Pete F- Replies
- 44
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- 3,925
Really not much different to wood in that regard....
Really not much different to wood in that regard. Different steels have different alloys added to them to change the basic iron's properties and make the material better suited to different purposes....
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19th July 2015, 01:35 PM
Thread: Making a Drawbar
by Pete F- Replies
- 44
- Views
- 3,925
Maybe not, not for me to be the judge of what...
Maybe not, not for me to be the judge of what others can or can't afford, however you specifically stated this.
I'm curious as to why you specifically state that you would not use mild steel? -
19th July 2015, 12:05 PM
Thread: Making a Drawbar
by Pete F- Replies
- 44
- Views
- 3,925
No 102 here Bob. I turned down the MT3 taper on a...
No 102 here Bob. I turned down the MT3 taper on a Wohlhaupter head and will shrink a W20 dedicated tool holder on it. Getting everything concentric, although not actually required in this case as...
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19th July 2015, 11:20 AM
Thread: Making a Drawbar
by Pete F- Replies
- 44
- Views
- 3,925
Can't criticise what you did at all Bob, and from...
Can't criticise what you did at all Bob, and from what you said, if I had the same material laying around then I would have done exactly what you did. My point was to suggest that if someone was...
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19th July 2015, 10:52 AM
Thread: Cutting a Imperial Thread
by Pete F- Replies
- 22
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- 1,785
Phil you seem to be missing the point that I'm...
Phil you seem to be missing the point that I'm trying to make here. Some people state that the compound NEEDS to be precisely 27.5 or 29.5 degrees in order to cut a thread in this way. I can say,...
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18th July 2015, 11:28 PM
Thread: Cutting a Imperial Thread
by Pete F- Replies
- 22
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- 1,785
Ah nope, it looks to me that compound is set...
Ah nope, it looks to me that compound is set slightly under 29.5 degrees Phil, so I'll mark that photo as a fail. Not so easy maybe :wink:
That's the point, so you split the divisions and think... -
18th July 2015, 11:12 PM
Thread: Making a Drawbar
by Pete F- Replies
- 44
- Views
- 3,925
The other thing to point out in all seriousness...
The other thing to point out in all seriousness is that if you're banging on the drawbar it means it's self-locking taper on the other end of your percussion instrument. That being the case it...
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18th July 2015, 05:52 PM
Thread: Cutting a Imperial Thread
by Pete F- Replies
- 22
- Views
- 1,785
... or you could leave it attached to the bar,...
... or you could leave it attached to the bar, turn and thread the piece, then part it off an machine the head.
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18th July 2015, 05:49 PM
Thread: Making a Drawbar
by Pete F- Replies
- 44
- Views
- 3,925
Oh, you don't use the damascus, forged from...
Oh, you don't use the damascus, forged from billet, Aquamet? Well, there's ya problem!!!
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18th July 2015, 03:14 PM
Thread: Making a Drawbar
by Pete F- Replies
- 44
- Views
- 3,925
Agreed, nothing wrong with using 4140 if that's...
Agreed, nothing wrong with using 4140 if that's what floats your boat, but I see no reason to use a high tensile steel in something as mundane as a a drawbar. You don't get anywhere near the yield...
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18th July 2015, 10:58 AM
Thread: Making a Drawbar
by Pete F- Replies
- 44
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- 3,925
Why not?
Why not?
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15th July 2015, 10:59 PM
Thread: Cutting a Imperial Thread
by Pete F- Replies
- 22
- Views
- 1,785
Set your compound to any angle you like, just so...
Set your compound to any angle you like, just so long as it's less than half the included angle. As Pipeclay says, that will be 27.5 degrees for a Whitworth. In reality however this 0.5 degrees...