Sunday, 20 December 2015

Re: [7x12minilathe] MT3 Test Bar from Ebay.

 

Hi John,

I would guess that Wam has taken the very sensible attitude that if you are making tests using a master test bar you would avoid adding unnecessary errors.

If you put the test bar in a reducing sleeve you are adding the errors that must exist in the sleeve to the test measurements that you take.

All the best,
Ian



From: "John Lindo bechetboat@yahoo.com [7x12minilathe]" <7x12minilathe@yahoogroups.com>
To: "7x12minilathe@yahoogroups.com" <7x12minilathe@yahoogroups.com>
Sent: Sunday, 20 December 2015, 3:36
Subject: Re: [7x12minilathe] MT3 Test Bar from Ebay.

 
Hi Wam, glad you like test bar.
Just a question on why you chose the #3 MT bar as opposed to a # 2 MT with a #3-#2 reducer.
A # 2 MT would allow you confirm any T/S misalignment issues as well as checking the H/S.
Hoping you are keeping well,have a festive season and happy new year.

John
Spain



On Saturday, December 19, 2015 10:08 PM, "WAM ajawam2@comcast.net [7x12minilathe]" <7x12minilathe@yahoogroups.com> wrote:


 
Just got my 3MT testbar from the aussies on Ebay. The one that comes in
the wooden box. It came in a UPS bag, with a Toll (AU's carrier) bag
inside. Needless to say the wooden box suffered a bit of damage, tho
just the ends. The wooden box was bubble wrapped fairly tightly so I
don't think the bar was damaged; at least no obvious indication of trama...

A few years back, I did a Rollie's Dad's Method with an old injet
carriage bar i had lying around. The new test bar agreed that I was
off about 1mil of headstock alignment. I'd checked the ways previous to
this and I got lucky, everything was within a mil...

You may still want to use RDM with a testbar - I still see about mil
variance at the far end when it rotates; at the headstock I can't even
see my indicator move, so the 3MT taper is damn close to the bar section.
Got the headstock about as good as a 7x can get...

TSE Ming-wai mwtse@netvigator.com [7x12minilathe] wrote:

>Many thanks, have ordered from ebay.
>
>
>------------------------------------
>Posted by: TSE Ming-wai <mwtse@netvigator.com>
>------------------------------------
>
>
>------------------------------------
>
>Yahoo Groups Links
>
>
>
>
>
>




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Posted by: Ian Newman <ian_new@yahoo.com>
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Saturday, 19 December 2015

Re: [7x12minilathe] MT3 Test Bar from Ebay.

 

Hi Wam, glad you like test bar.
Just a question on why you chose the #3 MT bar as opposed to a # 2 MT with a #3-#2 reducer.
A # 2 MT would allow you confirm any T/S misalignment issues as well as checking the H/S.
Hoping you are keeping well,have a festive season and happy new year.

John
Spain



On Saturday, December 19, 2015 10:08 PM, "WAM ajawam2@comcast.net [7x12minilathe]" <7x12minilathe@yahoogroups.com> wrote:


 
Just got my 3MT testbar from the aussies on Ebay. The one that comes in
the wooden box. It came in a UPS bag, with a Toll (AU's carrier) bag
inside. Needless to say the wooden box suffered a bit of damage, tho
just the ends. The wooden box was bubble wrapped fairly tightly so I
don't think the bar was damaged; at least no obvious indication of trama...

A few years back, I did a Rollie's Dad's Method with an old injet
carriage bar i had lying around. The new test bar agreed that I was
off about 1mil of headstock alignment. I'd checked the ways previous to
this and I got lucky, everything was within a mil...

You may still want to use RDM with a testbar - I still see about mil
variance at the far end when it rotates; at the headstock I can't even
see my indicator move, so the 3MT taper is damn close to the bar section.
Got the headstock about as good as a 7x can get...

TSE Ming-wai mwtse@netvigator.com [7x12minilathe] wrote:

>Many thanks, have ordered from ebay.
>
>
>------------------------------------
>Posted by: TSE Ming-wai <mwtse@netvigator.com>
>------------------------------------
>
>
>------------------------------------
>
>Yahoo Groups Links
>
>
>
>
>
>


__._,_.___
Posted by: John Lindo <bechetboat@yahoo.com>
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.

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Posted by at No comments:

[7x12minilathe] MT3 Test Bar from Ebay.

 

Just got my 3MT testbar from the aussies on Ebay. The one that comes in
the wooden box. It came in a UPS bag, with a Toll (AU's carrier) bag
inside. Needless to say the wooden box suffered a bit of damage, tho
just the ends. The wooden box was bubble wrapped fairly tightly so I
don't think the bar was damaged; at least no obvious indication of trama...

A few years back, I did a Rollie's Dad's Method with an old injet
carriage bar i had lying around. The new test bar agreed that I was
off about 1mil of headstock alignment. I'd checked the ways previous to
this and I got lucky, everything was within a mil...

You may still want to use RDM with a testbar - I still see about mil
variance at the far end when it rotates; at the headstock I can't even
see my indicator move, so the 3MT taper is damn close to the bar section.
Got the headstock about as good as a 7x can get...

TSE Ming-wai mwtse@netvigator.com [7x12minilathe] wrote:

>Many thanks, have ordered from ebay.
>
>
>------------------------------------
>Posted by: TSE Ming-wai <mwtse@netvigator.com>
>------------------------------------
>
>
>------------------------------------
>
>Yahoo Groups Links
>
>
>
>
>
>

__._,_.___
Posted by: WAM <ajawam2@comcast.net>
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Wednesday, 9 December 2015

Re: Re: [7x12minilathe] People on a vacation? Test picture

 

Gorgeous airplane! At 87, I don't fly anymore, but I built an Air Command Gyro, & flew it for a while, It's still in my cellar.

Mert

On 12/07/15, Norm w6nim@frontier.com [7x12minilathe]<7x12minilathe@yahoogroups.com> wrote:
Test pix

To see if inserted pix work instead of attachments. If the picture
comes through, use "Insert", rather than "attachments" and embed the pix
in the body of the text.

The plane is my son's homebuilt RV-7, with me trying (at 80+ years) to
climb back out. We spent ~3 years building it.

Norm

Test pix




To see if inserted pix work instead of attachments. If the picture comes through, use "Insert", rather than "attachments" and embed the pix in the body of the text.

The plane is my son's homebuilt RV-7, with me trying (at 80+ years) to climb back out. We spent ~3 years building it.

Norm

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Posted by: Mert <mertbaker@verizon.net>
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Monday, 7 December 2015

Re: [7x12minilathe] People on a vacation? Test picture

 

Test pix




To see if inserted pix work instead of attachments.  If the picture comes through, use "Insert", rather than "attachments" and embed the pix in the body of the text.

The plane is my son's homebuilt RV-7, with me trying (at 80+ years) to climb back out.  We spent ~3 years building it.

Norm

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Posted by: Norm <w6nim@frontier.com>
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Tuesday, 10 November 2015

[sherline] New Photo / Quoins / End of Test

 



Album;
"Quoins"
Photo shows the results of Testing.
Inspection Department Reports.
Test Piece on Surface Plate.
No rock across corners.
No perceptible dish/dip in center of piece.
Excellent finish.
Parallelism TIR ( Well within .0010" )
Within one thousandth of an inch.
Will improve with removal of tool marks.
Conclusion;
Quoins are not for machining.
Low Profile Vise is the Winner!
Jerry G (Glickstein)
Chief Toolmaker
Chief Inspector

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Tuesday, 27 October 2015

[sherline] New Photo / Low Profile Vise / Rocking Corner Test

 


Album;
"Low Profile Vise"
Photo shows the Rocking Corner Test, now that I have the finish I was looking  for.
Passed the Fingernail Test also.
The Low Profile Vise is a winner !
Jerry G ( Glickstein)

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