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3rd March 2019, 04:45 PM
Thread: Metal work forum
by bob ward- Replies
- 26
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FWIW, Mac and Safari, Telstra NBN, wifi I get the...
FWIW, Mac and Safari, Telstra NBN, wifi I get the Auskadi homepage and have been since Friday afternoon.
iphone on 4G gets me to metalworkforums.com
The Mac and Safari using the iphone's hot... -
12th February 2018, 06:08 PM
Thread: Wood for hood bows
by bob ward- Replies
- 6
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- 2,652
Thanks guys, I'm not a woodworking person I've...
Thanks guys, I'm not a woodworking person I've wandered in from next door from metalworkforum.com. So it seems that if I end up going the laminating route, rather than buying a sheet of say 3mm...
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11th February 2018, 03:46 AM
Thread: Wood for hood bows
by bob ward- Replies
- 6
- Views
- 2,652
Wood for hood bows
I need to laminate a pair of these hood bows for a 30s car. The cross section is 1 3/8" (35mm) x 7/8" (22mm), radius of the curve is 150mm, width is 1350mm. The hood bows won't see too much sun or...
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15th August 2015, 03:12 PM
Thread: DIY Run flat trolley wheels.
by bob ward- Replies
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The foam from a one pack pressure can is quite...
The foam from a one pack pressure can is quite friable and is meant to be used in static gap filling situations, not for dynamic loading. A one part foam filled tyre will eventually end up as a flat...
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6th August 2015, 12:24 AM
Thread: Indexible milling cutters
by bob ward- Replies
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I have a 16mm one of those that I bought from CTC...
I have a 16mm one of those that I bought from CTC some years ago. It works OK for light cuts on a Hafpos HM52 at my max speed of 2400RPM. Doesn't leave a great finish but does remove metal. I figure...
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5th August 2015, 01:04 AM
Thread: carbide bench grinders
by bob ward- Replies
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I've seen something like that at Hafpos in the...
I've seen something like that at Hafpos in the past, doesn't seem to be in their catalogue at the moment though.
There was a good post on here recently, someone added grinding tables to a... -
29th July 2015, 10:28 PM
Thread: Compressor Hating the Cold
by bob ward- Replies
- 34
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- 1,938
Low voltage could be part of the problem. The...
Low voltage could be part of the problem. The colder the morning the more people there are turning on electric heaters.
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29th July 2015, 08:54 AM
Thread: 19mm steel rod - Where to get some
by bob ward- Replies
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IME heating to red hot and allowing to air cool...
IME heating to red hot and allowing to air cool accomplishes the same thing. Rust as we normally see it has water bonded in with the oxide, heating the rust drives off the water, changing the of rust...
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27th July 2015, 08:05 PM
Thread: Boring head cutting unwanted taper.
by bob ward- Replies
- 7
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HSS was the answer, thanks guys. I made a HSS...
HSS was the answer, thanks guys.
I made a HSS boring bar as stiff as the job would allow, the hole I was having trouble with is now boring true. -
26th July 2015, 11:00 PM
Thread: What did you learn today?
by bob ward- Replies
- 450
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150 years of Qld rail - no machining content
Queensland's first railway line ran from Ipswich which is about 40km west of Brisbane, to Grandchester another 40km west. That was opened in 1865 and 150th anniversary celebrations were held at...
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26th July 2015, 09:13 AM
Thread: Making a motorised sieve/vibrator
by bob ward- Replies
- 13
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- 1,654
I once needed a vibrating table for something I...
I once needed a vibrating table for something I was doing. I bolted a spare .75kw motor to the table then used a pair of hose clamps to attach a piece of 20mm round to the side of the motor shaft....
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21st July 2015, 11:17 PM
Thread: Removing Ball Oilers.
by bob ward- Replies
- 14
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These guys will do you 10 x 6mm ball oilers for...
These guys will do you 10 x 6mm ball oilers for around $30 posted.
http://www.aliexpress.com/item/press-fit-ball-oiler-GB1155-JB-T7940-4-6mm-8mm-10mm-12mm-16mm/839613227.html -
20th July 2015, 11:24 PM
Thread: Surface vs Flick Grinder
by bob ward- Replies
- 7
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- 2,395
In the 70s the Flick pest control company decided...
In the 70s the Flick pest control company decided to branch out into machine tool manufacture. Their surface grinders weren't well regarded.
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20th July 2015, 03:39 PM
Thread: Keyway in shaft
by bob ward- Replies
- 44
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- 3,140
How complicated is the shaft? Is it feasible to...
How complicated is the shaft? Is it feasible to remake the shaft with an extended LH thread to allow the fitting of a castellated nut and split pin?
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19th July 2015, 09:28 PM
Thread: Boring head cutting unwanted taper.
by bob ward- Replies
- 7
- Views
- 979
Boring head cutting unwanted taper.
I’m using a boring head to open out a 16.5mm hole to 18.0mm in 25 thick 1214. I’ve tried to make this part 3 times and I’m consistently ending up with an inconsistent taper of 0.1 to 0.2mm, big at...
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18th July 2015, 01:02 AM
Thread: Keyway in shaft
by bob ward- Replies
- 44
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- 3,140
That looks fairly ugly. Best course as you...
That looks fairly ugly.
Best course as you suggest is to abandon the damaged slot and cut a new one. Once the spindle is out cutting a new keyway is straightforward for anyone with a milling... -
12th July 2015, 06:34 PM
Thread: Scraping rotary table
by bob ward- Replies
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That's a nice old rotary table. Thanks for the...
That's a nice old rotary table.
Thanks for the ferrocyanide link, I have an ounce on the way. What mixing ratio are you using? -
12th July 2015, 01:15 PM
Thread: Lathe alignment bar
by bob ward- Replies
- 76
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- 6,708
There is no difference whatsoever. The analysis...
There is no difference whatsoever. The analysis method in part 1 of RDM is perfectly valid and I would suggest that this method is what was used for headstock alignment not long after the first metal...
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12th July 2015, 10:48 AM
Thread: Lathe alignment bar
by bob ward- Replies
- 76
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- 6,708
Thinking about this a little further, the class...
Thinking about this a little further, the class of lathe makers who *“torque shim” their headstocks into alignment wouldn't just be machining everything close enough as I say above, they would be...
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11th July 2015, 12:43 PM
Thread: Lathe alignment bar
by bob ward- Replies
- 76
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- 6,708
Sadly yes. Although it turns out the headstock is...
Sadly yes. Although it turns out the headstock is not solid shimmed but “torque shimmed”.
I’ve not given this much thought before, but I guess from the lathe maker’s point of view there are 3... -
11th July 2015, 01:17 AM
Thread: Lathe alignment bar
by bob ward- Replies
- 76
- Views
- 6,708
I have a Hafpos AL340 with a rocking headstock,...
I have a Hafpos AL340 with a rocking headstock, something I discovered when I needed to realign the headstock after a minor work jam a while back. Gaining enough knowledge to rectify that rocking at...
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9th July 2015, 12:47 PM
Thread: How to size used drills
by bob ward- Replies
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If you suspect you are measuring a non-metric...
If you suspect you are measuring a non-metric drill, multiplying the millimetre size by 2.52 will give you the imperial size in 64ths. Not much help for letter size drills though.
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9th July 2015, 01:45 AM
Thread: Acme LH 7/8" x 4 tpi nut
by bob ward- Replies
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Acme LH 7/8" x 4 tpi nut
I need to make a replacement nut for the vice screw on my power hacksaw, its a LH 7/8" x 4 tpi and presumably acme profile. The nut is about 40mm long.
I know I need to consider flank clearance... -
8th July 2015, 09:58 PM
Thread: Poor man's internal grinder
by bob ward- Replies
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Poor man's internal grinder
Oscillating spindle sander. Sometimes called a bobbin sander.
Useful for increasing a hole by just a smidgin, deburring the intersection of cross drilled holes, internal polishing.
Also useful... -
5th July 2015, 01:38 PM
Thread: Holding down a lathe
by bob ward- Replies
- 7
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- 1,139
I have an AL340, a slightly bigger version of the...
I have an AL340, a slightly bigger version of the AL336. It sits unbolted and unrubbered on a 4" shed slab, I check that the ways are coplanar once a year or so. No problems so far.
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29th June 2015, 01:41 AM
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A piece of steel 25mm square x 150mm long weighs...
A piece of steel 25mm square x 150mm long weighs 750gm?
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28th June 2015, 10:28 AM
Thread: AZSTAR Australian made milling cutters
by bob ward- Replies
- 3
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- 1,498
AZSTAR Australian made milling cutters
These carbide slotting drills were among a recent ebay purchase. As far as I knew the only Australian made milling cutters of recent years have been Suttons/P&N. A quick google shows that Azstar...
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26th June 2015, 11:05 PM
Thread: Self drilling taps
by bob ward- Replies
- 15
- Views
- 2,332
Self drilling taps
I bought these M8 and M10 self drilling taps off ebay to have a look at recently.
What is the purpose of the point on the end, its not going to assist in drilling the hole?
Any thoughts on how... -
25th June 2015, 01:28 AM
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I saw that Woolies pick up option when I recently...
I saw that Woolies pick up option when I recently bought items from an ebay shop in Vic.
Out of curiosity I checked it out, but it turns out that (for my items at least) the Woolies option does... -
21st June 2015, 04:35 PM
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- 702
One way around this is to use your internal...
One way around this is to use your internal threading tool on the back edge of the 10mm rod. Start from the RH end and pull out at the 50mm mark every pass.
To achieve what you want if you are... -
20th June 2015, 01:51 AM
Thread: AL340 lathe power-on light
by bob ward- Replies
- 5
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- 1,083
It turns out that the power-on light, coolant...
It turns out that the power-on light, coolant switch, jog switch and emergency switch are mounted through the printed aluminium sheet and are held in place with back nuts. After those items are...
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18th June 2015, 11:00 AM
Thread: New Battery drill - opinions
by bob ward- Replies
- 37
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- 6,024
The Laidley Pioneer Village where I volunteer...
The Laidley Pioneer Village where I volunteer recently bought one of the brushless Ozito battery drills, its quite an impressive performer. I don't know that its 24/7 tradesman quality, but for...
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17th June 2015, 09:42 PM
Thread: AL340 lathe power-on light
by bob ward- Replies
- 5
- Views
- 1,083
AL340 lathe power-on light
The power-on light has stopped working on my AL340, I'm trying to open it to replace the bulb without success so far.
I don't know whether the light cover snaps on or screws on, the whole fitting... -
15th June 2015, 01:12 PM
Thread: India: Scrap metal heaven
by bob ward- Replies
- 12
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- 1,700
Good on you Joe for trying to make a difference. ...
Good on you Joe for trying to make a difference.
Re poking fun at the Indian work practices, don't forget it was little different in the West a generation or 2 ago. Just saying. Nice looking work... -
15th June 2015, 01:08 AM
Thread: New Milling machines - which/where
by bob ward- Replies
- 23
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- 2,297
gmetal, the quality of all new milling machines...
gmetal, the quality of all new milling machines is inconsistent from batch to batch, you should get a good one but you may get a dog. This is true across ALL of the importers/resellers, no matter how...
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12th June 2015, 11:33 PM
Thread: What did you learn today?
by bob ward- Replies
- 450
- Views
- 47,679
Outboard work support
A first for me today (but old hat to many I'm sure). I'm turning the ends on 1200 to 1600 long 10mm round and needed to support the material sticking out from the headstock. Made a bush for the...
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11th June 2015, 12:48 AM
Thread: Request for up to date lathe advice
by bob ward- Replies
- 54
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- 6,150
I would tend to go for whatever Hafco offering...
I would tend to go for whatever Hafco offering fits your requirements. The machines they sell are little different to the others on offer, ie somewhere between woeful and mediocre, but from personal...
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9th June 2015, 12:54 PM
Thread: Aerospace aluminium
by bob ward- Replies
- 2
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- 1,034
Aerospace aluminium
I know that billet grade, industrial grade, military grade and aircraft grade aluminium have been around for a while. Apparently aerospace grade aluminium is now also available.
... -
9th June 2015, 12:50 PM
Thread: Making a Drawbar
by bob ward- Replies
- 44
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- 3,904
Option 1 works just fine, option 2 looks more...
Option 1 works just fine, option 2 looks more professional but that's just my opinion and no one else ever sees it anyway. To do option 2 properly you need to start with a round or hex bigger than...
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9th June 2015, 03:27 AM
Thread: Help needed on lathe threading gears
by bob ward- Replies
- 32
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- 3,185
I imagine its merely to keep things simple for...
I imagine its merely to keep things simple for that chart.
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8th June 2015, 12:24 PM
Thread: Australian machine tool history
by bob ward- Replies
- 28
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- 3,335
That's an interesting phrase 'diluted labour',...
That's an interesting phrase 'diluted labour', had to google the meaning, ie using trained non-tradesmen to do tradesman's work.
... -
6th June 2015, 08:30 PM
Thread: Slideway grinders go for a song
by bob ward- Replies
- 224
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- 19,871
I thought the above may have been the origin of...
I thought the above may have been the origin of this 2010 thread on Practical Machinist, but I see that that Churchill slideways grinder is said to have been bought from Queensland.
... -
2nd June 2015, 01:12 AM
Thread: Your favourite tooling supplier
by bob ward- Replies
- 215
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- 102,614
Sticky: The screws arrived today. They are nicely made,...
The screws arrived today. They are nicely made, whether they are actually useful as insert screws will be revealed in time.
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28th May 2015, 09:39 AM
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BobL, look up English wheels as used by panel...
BobL, look up English wheels as used by panel beaters, there may be some ideas there. Hafpos will have one or two on display if you are near one of their shops.
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26th May 2015, 08:12 PM
Thread: CNMG 12 04 xx horsepower
by bob ward- Replies
- 2
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- 613
Thanks John, 20HP into an insert is quite...
Thanks John, 20HP into an insert is quite impressive. I guess that's actually 20HP into a few square millimetres of an insert, which is even more impressive.
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25th May 2015, 12:45 AM
Thread: CNMG 12 04 xx horsepower
by bob ward- Replies
- 2
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- 613
CNMG 12 04 xx horsepower
When doing roughing work on my 2HP Hafpos AL340 I normally use CNMG 12 04 xx inserts, and without trying too hard (3mm DOC fast feed in 1045) I can get the motor to bog down. I'm sure I could push...
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24th May 2015, 12:52 PM
Thread: Tweedales and Smalley table
by bob ward- Replies
- 6
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- 879
Those guys made machines for the manufacture of...
Those guys made machines for the manufacture of textiles, I'm guessing that your frame is a base frame of some type on which the rest of the machine was mounted.
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21st May 2015, 09:04 AM
Thread: Wanted: Surface Grinder in Brisbane
by bob ward- Replies
- 7
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- 1,104
I can put you in touch with a small machine shop...
I can put you in touch with a small machine shop at Rocklea if all else fails.
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18th May 2015, 11:06 PM
Thread: todays tools gloat
by bob ward- Replies
- 1,689
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- 218,152
Bought a heap of shop made special purpose...
Bought a heap of shop made special purpose pullers for old motor bikes at the Laidley swap meet, no idea what they fit except that one is stamped Ariel Twin, another is stamped BSA D1. Cool old gear,...
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I take it from this that you are dealing with an...
I take it from this that you are dealing with an Australian supplier, if so they don't have a leg to stand on, don't let them snow you. Its entirely your decision whether you go for a refund or an...