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18th July 2015, 03:02 PM
Thread: Heat Treatment On Warped Flat Bar
by Clubman7- Replies
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Just clamp it and bend it cold. Stress reieiving...
Just clamp it and bend it cold.
Stress reieiving it now will probably just leave it as bent or worse. -
18th July 2015, 02:57 PM
Thread: Making a Drawbar
by Clubman7- Replies
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- 3,920
Yep, 4140 is the go. Will wear better and not...
Yep, 4140 is the go.
Will wear better and not deform the thread when knocking tools out of the quill.
Built to last. -
5th July 2015, 12:56 PM
Thread: Holding down a lathe
by Clubman7- Replies
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- 1,143
You wont get it dead level bolting it to the...
You wont get it dead level bolting it to the concrete anyway.
Trying to bolt it hard down to the floor may twist the lathe cabinet and bed.
Larger machine use jacks to adjust the level to remove... -
19th April 2015, 11:28 AM
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May have to double two pieces of 100 x 50 and get...
May have to double two pieces of 100 x 50 and get them welded together.
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13th April 2015, 07:38 PM
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There seems to be a Shell oil called Morlina S2...
There seems to be a Shell oil called Morlina S2 BL 5 viscosity thats pretty close to Velocite 4.
Maybe give the Shell tech line a call. -
30th October 2014, 07:31 PM
Thread: Anyone recognise this adjustable Chuck
by Clubman7- Replies
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Looks like a Pratt Burnerd. The older ones had a...
Looks like a Pratt Burnerd.
The older ones had a little disc with the brand in the counterbore on the face of the chuck.
http://www.600uk.com/products/machine.asp?id=150 -
7th August 2014, 10:09 PM
Thread: Lathe fluff cuts in steel - what tool?
by Clubman7- Replies
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Polish it with emery. Using carbide would leave...
Polish it with emery.
Using carbide would leave an undesireable surface finish.
And you can machine a depth of cut at less than the nose radius and achieve excellent results. -
26th July 2014, 08:27 PM
Thread: Lathe alignment - cutting concave - why?
by Clubman7- Replies
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You obviously need to have your garage...
You obviously need to have your garage temperature and humidity regulated to improve you inaccuracy of your precision manufactured Chinese lathe.
I'm amazed you got it that good. -
19th July 2014, 02:12 PM
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To OP, $810 a week sounds about normal for a...
To OP, $810 a week sounds about normal for a fitter and turner.
There's better but also worse around.
Its only overtime rates that make up for what you don't earn, though they are under attack now.... -
16th June 2014, 08:13 PM
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Tighten screw on dial. Engage half nuts on a...
Tighten screw on dial.
Engage half nuts on a number you want with tool clear of thread.
Stop half way along cut thread.
Adjust topslide to pickup existing thread and check depth.
Disengage half... -
13th June 2014, 07:24 PM
Thread: black bar experiment
by Clubman7- Replies
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Minimum nose radius on your HSS tool will help...
Minimum nose radius on your HSS tool will help produce a better finish at light feed rates.
Usual 30m/min surface speed. Feed at .1/rev. Then trial and error. -
26th April 2014, 08:59 PM
Thread: Who uses a magnetic chuck on their mill?
by Clubman7- Replies
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- 1,951
Can work well if your gentle. Fantastic if they...
Can work well if your gentle.
Fantastic if they adjustable for tapers. -
22nd April 2014, 10:30 PM
Thread: Casting machining.
by Clubman7- Replies
- 9
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- 1,227
Have machined a few different designs over the...
Have machined a few different designs over the years.
Followed this one with a slightly smaller cast iron version.
Being cast steel it didn't really have a tough skin to machine through, although... -
21st April 2014, 06:47 PM
Thread: Casting machining.
by Clubman7- Replies
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- 1,227
Unfortunately it went out to customer for...
Unfortunately it went out to customer for assembly.
it was about 1600mm long and 400 dia. -
21st April 2014, 05:31 PM
Thread: Casting machining.
by Clubman7- Replies
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Part is a mandrel core that has three segment...
Part is a mandrel core that has three segment leaves fitted to it for roll steel strip.
Expands and roll strip onto, then compress and remove roll.
Core is pushed along shaft to expand and compress... -
21st April 2014, 02:05 PM
Thread: Casting machining.
by Clubman7- Replies
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- 1,227
Casting machining.
Pics of a mandrel casting I milled recently.
Was cast in 4140 steel.
http://i925.photobucket.com/albums/ad100/clubman7/15cc80756e0dc5e0587da6d8bb1243e7_zpsda41b7be.jpg... -
13th February 2014, 08:53 PM
Thread: Grade 8.8 M16 Studding - Machining
by Clubman7- Replies
- 13
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- 2,145
Yeah, carbide would be the better option,...
Yeah, carbide would be the better option, although grinding some nose radius to your HSS tool will help a little.
Try putting a .7to 1mm radius to help strengthen the cutting edge. -
20th January 2014, 07:52 PM
Thread: Quick test of Cermet CCMT inserts
by Clubman7- Replies
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Bit to read about Kyocera cermet inserts here:...
Bit to read about Kyocera cermet inserts here:
Cermets Get Assertive : Modern Machine Shop
Generally though with the 0.4 nose radius of the inserts you have, would make them a good finishing and... -
3rd January 2014, 08:41 PM
Thread: What steel for brazed carbide tooling?
by Clubman7- Replies
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- 4,062
Have found using 4140 in tooling creates to much...
Have found using 4140 in tooling creates to much vibration in the tool, maybe due to the material hardness?
Probably better with 1030 or 1040. -
13th December 2013, 11:05 PM
Thread: Cost of Propeller Boring
by Clubman7- Replies
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Fairly large prop. Cost comes out to about ten...
Fairly large prop.
Cost comes out to about ten hours labour.
Bore and key to suit existing shaft.
sounds about right to me. -
11th December 2013, 04:37 PM
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You get what you pay for. Best brands I've found...
You get what you pay for. Best brands I've found are Suttons, Hanita, and Dormer.
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1st December 2013, 09:42 AM
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Found this info on the net....
Found this info on the net.
http://i925.photobucket.com/albums/ad100/clubman7/e0ec3e887045313ae40400a623a4d89a_zps6a2f77c4.jpg... -
28th November 2013, 06:49 PM
Thread: Safety solenoids for gas kiln?
by Clubman7- Replies
- 4
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- 1,274
Have you this company before to make up two gas...
Have you this company before to make up two gas burners with auto shut off swithches if the gas flame went out.
Furnace Engineering - Furnace Engineering -
27th November 2013, 08:17 PM
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Try pricing them cast. May be a cheaper option.
Try pricing them cast. May be a cheaper option.
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10th November 2013, 10:35 PM
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Maybe check the float in the spindle first. If...
Maybe check the float in the spindle first.
If the bearings are worn you could excessive end float.
Noise would be worn gears and hopefully not bearings. -
9th November 2013, 10:04 AM
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Piece of paper or a feeler gauge works too.
Piece of paper or a feeler gauge works too.
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25th October 2013, 04:21 PM
Thread: Make a 5/8"tap
by Clubman7- Replies
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You can buy one cheap enough. Rdgtools HSS...
You can buy one cheap enough.
Rdgtools HSS Acme Tap 5 8" x 8 TPI LH High Speed New | eBay
Don't know of the quality though. -
28th September 2013, 11:44 AM
Thread: Ideas for bending some 25 SHS
by Clubman7- Replies
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If your welding the ends to something, can't you...
If your welding the ends to something, can't you cut notches out where you want the bends without cutting through, and then bend them to the angle you want and weld up the joins where it will meet....
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17th September 2013, 08:03 PM
Thread: Wohlhaupter UPA5-S6
by Clubman7- Replies
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- 1,960
See if you can get the facing feed to work. if...
See if you can get the facing feed to work.
if it doesn't it probably is the feed screw lock pin and spring.
Good luck. -
13th September 2013, 06:29 PM
Thread: Keyway in a tapered bore
by Clubman7- Replies
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Anyway way that works is kosher. One degree...
Anyway way that works is kosher.
One degree taper though?
You couldn't of just cut it square to the axis? -
6th September 2013, 10:54 PM
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Just dress the grinding point when you fit it...
Just dress the grinding point when you fit it into the collet.
Only real drama is when you are using a rotary burr where it will cut on one side. -
25th August 2013, 09:49 PM
Thread: Ideas for work holding small round parts
by Clubman7- Replies
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Probably better to drill and tap the rod before...
Probably better to drill and tap the rod before you machined the two diameters onto it.
Would give you greater purchase area, and you can machine off any jaw imprints. -
24th August 2013, 05:11 PM
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Seem to get better chip flow. Maybe because of...
Seem to get better chip flow. Maybe because of greater clearances or sharper cutting angles.
Notice a lot of the drills are coming web thinned now which helps.
Always grind this in when I... -
24th August 2013, 03:28 PM
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I hand sharpen drills up to what ever width the...
I hand sharpen drills up to what ever width the grinding wheel is.
Funny thing is, I can sharpen a smaller diameter drill to perform better than some new one out of a packet.
Luckily have a nice... -
15th August 2013, 08:28 PM
Thread: Tips on Milling 1045 Steel
by Clubman7- Replies
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Its close to mild steel, just a bit tougher....
Its close to mild steel, just a bit tougher.
Tends to take the edge off HSS cutters a bit quicker.
I'd drop your speeds 20% and try to use coolant with or cutting oil with your HSS tools. -
13th August 2013, 09:03 PM
Thread: Smelly Cast iron
by Clubman7- Replies
- 10
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- 1,548
Probably SG iron. Vices are made from it as it...
Probably SG iron.
Vices are made from it as it has good strength.
Gets smelly when machined.
Find the dust can upset your stomach if you breathe in too much. -
12th August 2013, 08:56 PM
Thread: Another Would You Bother Thread
by Clubman7- Replies
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- 2,461
Bob, your talking 0.0005 to 0.0007 of a mm...
Bob, your talking 0.0005 to 0.0007 of a mm variation.
You might find the manufacturing tolerances of the indicators you tested wouldn't
be this fine when manufactured. -
12th August 2013, 07:57 PM
Thread: Another Would You Bother Thread
by Clubman7- Replies
- 12
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- 2,461
"This is just my uneducated observation, others...
"This is just my uneducated observation, others may have an explanation for the occurrence. "
You asked for an explanation. -
12th August 2013, 05:42 PM
Thread: Another Would You Bother Thread
by Clubman7- Replies
- 12
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- 2,461
"Maybe .00002" - .00003". This is just my...
"Maybe .00002" - .00003". This is just my uneducated observation, others may have an explanation for the occurrence. "
Your worried you need this sort of accuracy for what reason.
Unless your using... -
28th July 2013, 08:26 PM
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Hmm, will stick with what I know. Can still...
Hmm, will stick with what I know.
Can still count to ten. -
28th July 2013, 06:47 PM
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The nine inch grinders I've seen normally allow...
The nine inch grinders I've seen normally allow the side handle to be located on either side of the body of the grinder to allow for right and left handed use of the tool.
Otherwise safety is a... -
20th July 2013, 10:44 AM
Thread: anything better then a dremel?
by Clubman7- Replies
- 21
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- 4,492
Used to buy Dremel but the quality seemed to be...
Used to buy Dremel but the quality seemed to be gone.
Tool wouldn't last very long.
now just buy Bunnings Warrior brand for $40 odd.
If they blow up, bin it and get another.
I seem to get at... -
11th July 2013, 06:47 PM
Thread: Deep hole drilling. MT5 - ER32
by Clubman7- Replies
- 46
- Views
- 5,007
Found a drill at work that will do it. 20.5...
Found a drill at work that will do it.
20.5 diameter and 580mm cutting length.
http://i925.photobucket.com/albums/ad100/clubman7/8c9175903b323a31ebe11af7f680f117_zpscd796ed2.jpg -
8th July 2013, 09:24 PM
Thread: Deep hole drilling. MT5 - ER32
by Clubman7- Replies
- 46
- Views
- 5,007
Gun drill as per RayG's post. Easy with the...
Gun drill as per RayG's post.
Easy with the right gear. -
18th June 2013, 06:58 PM
Thread: Rough finish
by Clubman7- Replies
- 16
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Bearings and oiling system may be designed to...
Bearings and oiling system may be designed to cope with 1600 only.
could risk seizing a bearing. -
17th June 2013, 09:26 PM
Thread: Cuting High speed steel??
by Clubman7- Replies
- 29
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- 2,737
Angle grinder with a cutoff wheel. narrow ones...
Angle grinder with a cutoff wheel.
narrow ones are good if you have one. -
26th May 2013, 10:46 AM
Thread: Mitutoyo threads-again.
by Clubman7- Replies
- 11
- Views
- 2,063
Ring MTI Qualos. They are service agents for...
Ring MTI Qualos. They are service agents for Mitutoyo equipment.
More than likely a standard Mitutoyo screw they will have in stock.
M.T.I. Qualos -
12th May 2013, 01:23 PM
Thread: Split brass bush !
by Clubman7- Replies
- 19
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- 2,448
That dosen't really matter. As long as you fit...
That dosen't really matter.
As long as you fit them as a matched pair of halves. -
5th April 2013, 07:53 PM
Thread: Interesting Video
by Clubman7- Replies
- 16
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- 2,444
Wonder if Workcover would approve?
Wonder if Workcover would approve?
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1st April 2013, 08:03 PM
Thread: Lathe finish problem
by Clubman7- Replies
- 15
- Views
- 2,427
Have a look here for grinding up your tool to...
Have a look here for grinding up your tool to suit the application.
http://www.discoverlivesteam.com/books/Sharpening.pdf
Grind on a nice 1mm radius on the cutting edge, and run your lathe at its...