Re: Boring bar setup question
I think it would work fine. It?s neither rocket science nor too hard, Just some positive rake and thats it.
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CNC 6-axis Deisgns
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#67806
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Re: Boring bar setup question
I have never had problems boring or cutting alu with any of 3 different insert types, from various manufacturers in various sizes. Alu is easy, ime.
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CNC 6-axis Deisgns
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#67805
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pdf on how to operate a lathe
It would be greatly appreciated.. thanks for your time and effort. Ray? pskyhawk @yahoo.com
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Raymond Crumley <pskyhawk@...>
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#67804
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Motor control boards in older 7x10 lathes
Does anyone in the group own a older machine that has a remote mounted (on the headstock) Mosfet ? If so what is the brand name on the machine ? I'd like to pin down what years this type of board was
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olduhfguy <phbrush@...>
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#67803
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Re: Digital linear scale for 7x lathe?
While I understand the need for accuracy in holes at times, I do use dowel pins when things count. Clamp the parts together and drill + ream both at once. -- Jerry Durand, Durand Interstellar, Inc.
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Jerry Durand <jdurand@...>
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#67802
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Re: Which lube do you use
I started using more WD-40 for cleaning here when I found that locally WD-40 in a gallon is about the same price as a gallon of kerosene (paraffin). So, might as well use a solvent that leaves an
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Jerry Durand <jdurand@...>
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#67801
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Re: Which lube do you use
Gerry, you got that right. It's formula is 50% mineral spirits (paint thinner) and about 10% light machine oil. It was never intended to be a lubricant. It was created to waterproof ignition cables
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84 Ward Miller
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#67800
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Re: Which lube do you use
Hi Colin, the small Dremel and clone mini-drills are a good size to compliment the mini-mill and they have a circular mounting collar so it is relatively easy to knock together a mount to fit into the
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gerry waclawiak
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#67799
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Re: Which lube do you use
Your Welcome Mike, WD40 is a pretty rubbish lubricant but it is very hand around the shop for cleaning up and working on aluminium. It is good for drilling and tapping ally too - I use it a lot with
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gerry waclawiak
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#67798
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great link on how digital calipers work
http://www.biotele.com/digital_caliper.htm http://www.capsense.com/capsense-wp.pdf WAM wrote:
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WAM
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#67794
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Re: Tailstock DRO don't throw anything away.
Here's a link to a pic of the one I cut for my Taig lathe: http://home.comcast.net/~ajawam3/swarf/DSCN2742.JPG that's what's under the reader and what's under the scale decal that has the inch/mm
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WAM
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#67793
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Re: Horsepower Resistor
I don't think their postage is going to be any less than the bloke on eBay. Find the part was easy, shipping not so much. Tony
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Tony Smith
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#67797
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Re: Horsepower Resistor
Plus a decent meter. Most won't handle stuff down in the 0.022 ohm range all that well. Tony Another suggestion is to use Nichrome wire and make the resistance whatever you need. Nichrome wire is what
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Tony Smith
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#67796
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Re: Digital linear scale for 7x lathe?
So You are saing re> linear scales, that they should be used to cut inaccurate hole locations for dowel pins .. On a linear scale thread ? The bolt holes are used as a metaphor for just how inaccurate
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CNC 6-axis Deisgns
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#67792
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Re: Which lube do you use
What tool post grinder do you use on your mini lathe?? Who supplies them and how much do they cost? ?Colin. ________________________________ To: 7x12minilathe@... Sent: Tuesday, 5
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Colin Sharpe
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#67795
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Re: Tailstock DRO don't throw anything away.
John; Did you cut down the scale for your DRO ? I cut off a cheap Caliper,an it no longer read right. What is in the scale,that makes them work ?
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maschwiebert
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#67791
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Re: Which lube do you use
Jim; I also use one of the accordian type bottles,for sulpher based,and kerosene. I got mine , left over from printer ink refill kit. What I really like about them,is you can put the needle in a cut
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maschwiebert
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#67790
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Re: Horsepower Resistor
Chassis mount current sense: http://www.digikey.com/product-search/en/resistors/chassis-mount-resistors/66696?k=0.025%20resistor Typ Thru hole:
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WAM
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#67789
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Re: Which lube do you use
As far as cutting oils attacking the cast iron; Water based oils will,if the concentration is too weak. I use a mist unit for tool post grinding. When I am finished grinding on my lathe,I wipe the
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maschwiebert
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#67788
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Re: Which lube do you use
John, Because of using the T.M. in the little 1 oz. squeeze bottles, a large bottle lasts me ¡°forever¡±. I have a pint bottle that I bought a year or 2 ago, and it¡¯s still got some left. One of
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Jim Dunmyer <jdunmyer@...>
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#67787
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