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7th Apr 2019, 08:52 PM #1Golden Member
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Interesting Hercus Back Toolpost : Popular Mechanics
Popular Mechanics August 1969 page 180
I was initially after the plans for the walking beam engine on page 156 but stumbled across this idea.
Might be of interest to some of us.
Somebody once suggested that I lookout for two people who wrote several interesting articles for Popular Science and Popular Mechanics. They were the chap who wrote the above article Walter E Burton and the other one is C W Woodson.
Bill
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7th Apr 2019, 09:32 PM #2Philomath in training
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- Oct 2011
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- Norwood-ish, Adelaide
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I'm looking at a popular science build series at the moment by C. W. Woodson, dated April 1947. It's for a small vertical steam engine. Trying to work out whether I can make it without castings.
Michael
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7th Apr 2019, 09:48 PM #3Mechanical Butcher
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- Oct 2004
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- Southern Highlands NSW
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- 1,898
That's an ingenious way to get around the problem of mounting a rear tool to the useless standard South Bend / Hercus cross slide shape.
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14th Apr 2019, 12:04 AM #4Senior Member
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- Aug 2012
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- Greenmount, W.A.
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There is another way to use / construct a rear cut-off (parting) tool for the South Bend lathes (and clones).
It is described in Popular Mechanics in the August 1945 edition, on page 131 (page 195 on the pdf copy). The Article is titled: Cut Off Tool Feeds Into Work Towards Operator.
Basically the parting tool is mounted "upside down" in a special fixture that is mounted on the compound slide instead of the mormal tool - but at the rear, and is moved towards the operator for the cut - just like on the Myford - as described by Sparey in "The Amateur Lathe."
I have considered making a "Gibraltar Toolpost" to replace the compound slide and incorporating the parting tool as described in the article. Just too many other projects at the moment. Maybe after Christmas!
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14th Apr 2019, 10:07 AM #5Mechanical Butcher
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- Oct 2004
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- Southern Highlands NSW
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- 1,898
Here's a link to that article: https://tinyurl.com/y4a8x2qv
I checked my Hercus 9 and 260, which have scarcely enough cross slide and compound travel (turned 90 degrees) to be of much use, if using the standard toolpost position.
The Pop Mech item might be a bigger lathe?
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