Results 91 to 105 of 113
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27th Jul 2020, 09:39 PM #91Gear expert in training
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Ah, I just assumed a lathe that size would have a more than 1hp
Out of curiosity, what inserts are you using and what depth could you get? There must be something that will chip properly
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28th Jul 2020, 01:25 PM #92Most Valued Member
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- Jul 2006
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- Athelstone, SA 5076
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AX being cog go around smaller diameters better making for smoother operation
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28th Jul 2020, 02:07 PM #93Golden Member
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- Aug 2015
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- Melbourne, Australia
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Hey - Elan - no inserts. Using this guy: https://www.eccentricengineering.com...ight-c46079019 with the cobalt HSS. My go to tool. I do have some inserts / holders. Funny, I didn't even think of trying them. Will give a go.
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28th Jul 2020, 11:45 PM #94Gear expert in training
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16th Aug 2020, 07:10 PM #95Golden Member
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Hi all, I hope you and yours are all happy and healthy.
A few pics of some progress here. The spindle and intermediate pulleys are done. Motor and spindle pulleys yet to get keyways. I've made the eccentric and the shaft for the intermediate pulley. I've still yet to make the handle and locking mechanism for the eccentric.
Shout out to Anorak Bob for the pics here: https://metalworkforums.com/f65/t181...c-mount-photos. Most helpful. Mine had to be slightly different but those pics were very very helpful. Thanks Bob. 👍
IMG_20200728_234803.jpg
IMG_20200730_231300.jpg
IMG_20200811_204458.jpg
IMG_20200816_141052.jpg
IMG_20200816_110235.jpg
The eccentric took some fiddling and measuring to make sure the inter pulley (when at max eccentric) didn't foul with the lid when closed. I was a bit worried about that as the pulley dimensions I am using are from 2M/3M and they've got a wider lid. But, we're good.
This all means I can do a test fit up of everything to see what I could see.
IMG_20200816_150838.jpg
IMG_20200816_150908.jpg
So, not there as yet, but getting there!
All comments and advice welcome.
Greg.
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16th Aug 2020, 08:14 PM #96.
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A tough job done well. Nice work Greg.
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17th Aug 2020, 11:13 AM #97Most Valued Member
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17th Aug 2020, 12:05 PM #98Senior Member
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- Feb 2014
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- Werribee, Melbourne
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Greg, I think you should be appealing the local 'Boat Anchor' designation at this stage.
A re-classification is definitely in order.
Very nice work.
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17th Aug 2020, 12:55 PM #99.
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Richard,
This quote was from 2005. I can't imagine the price has gone down.
Waldown.jpg
And Greg needed three pulleys!!!
Bob.
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17th Aug 2020, 02:16 PM #100Golden Member
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- Aug 2015
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- Melbourne, Australia
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Ouch! You know, it did occur to me they likely still sell them - though, funnily, not until after I had started. but ... I didn't want to price them up just in case they were 'affordable' and I'd feel like a complete idiot! Relief!!
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17th Aug 2020, 05:03 PM #101Most Valued Member
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6th Sep 2020, 05:06 PM #102Golden Member
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done
All back together and functional now. The 'techo1 switch' is in (thanks mate), the 'Anorak Bob lid clip' has been fashioned (thanks for the dimensions mate). Plates (erm 'badges'?) all done. The eccentric lever done also. The belts (which are the stock lengths) are a tad long I feel, so some shorter ones arrives next week. A few smallish things left (like elec cable glands) - but, we'll call 'er done enough. It runs quiet and in lowest speed hits about 140 rpm. I'm not sure of top speed because I can't count that fast. But, it'll be in the order of 3000-3500 rpm I imagine.
This has taken a lot more time and effort that I thought it might, so thanks all for the kind words and encouragement along the way. "Without pictures it didn't happen", so, some pics:
IMG_20200906_153241.jpgIMG_20200906_114316.jpgIMG_20200906_114335.jpgIMG_20200906_152546.jpgIMG_20200906_153124.jpgIMG_20200830_162459.jpg
I'll get some pics together and do a separate post on how I did the badges, erm, ... plates, I mean tags .... etched thingies.
Thanks again all,
Greg.
PS. .. oh, and I need to do the 'stop' that stops the table falling as you loosen it.
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6th Sep 2020, 05:12 PM #103Senior Member
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- Sep 2019
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- Newcastle, AU
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- 238
Looking mighty fine.
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6th Sep 2020, 05:13 PM #104Gear expert in training
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Looks great, well done!
Shouldn't be too hard to calculate the theoretical speed from the pulley ratios, ours sounds like it's going to take off in top speed
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6th Sep 2020, 05:15 PM #105Senior Member
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- Apr 2014
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- Perth
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