Author Topic: Gorton 265 d bit grinder overhaul  (Read 3246 times)

Offline steamer

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Gorton 265 d bit grinder overhaul
« on: April 02, 2023, 09:27:41 PM »
It is becoming very clear doing very small parts that my equipment to grind custom tools is woefully inadequate.    I have a old Gorton 265 that is very worn, but I know that it would suite a lot of my needs for special cutters, ....so it's getting moved forward to be done before boat work gets underway.    Staytuned!

( picture is not my grinder, but its identical)
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Offline Dave Otto

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Re: Gorton 265 d bit grinder overhaul
« Reply #1 on: April 02, 2023, 09:55:55 PM »
Hi Dave

It will be fun to follow along with the rebuild.
I picked up the one in the attached photo last year and went completely through it. It wasn't in too bad of shape just filthy.
New bearings in the spindle and motor and new felt seals in the work head and main bar. I did have to make a few small parts that were missing and not available anymore.
I'm pleased to have been able to acquire it and the price was right too. ;)

Dave

Offline 90LX_Notch

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Re: Gorton 265 d bit grinder overhaul
« Reply #2 on: April 02, 2023, 10:11:33 PM »
Dave-

My Chinese Deckle clone is probably one of the better tool investments that I’ve made.  It doesn’t get used often, but it opens so many doors to solve problems.  I use mine a lot to make small radius tools for fillet radii.

 When I made the 0-80 socket head cap screws, the .050 hex broach was made on the Deckle clone.  I also used it to grind a very small boring bar to bore the pilot holes for the broach in the screws.

-Bob
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Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #3 on: April 02, 2023, 10:16:05 PM »
Hi Dave

It will be fun to follow along with the rebuild.
I picked up the one in the attached photo last year and went completely through it. It wasn't in too bad of shape just filthy.
New bearings in the spindle and motor and new felt seals in the work head and main bar. I did have to make a few small parts that were missing and not available anymore.
I'm pleased to have been able to acquire it and the price was right too. ;)

Dave

LOL   I've had this since about 2000!   I've just kept putting it off!
The workhead is pretty worn....there's a lot of slop...my plan is to bore the housing and sleeve it.
The spindle bearings seem good!   I'm going to leave them alone as they feel and sound fine.
I have all the collets....

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Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #4 on: April 02, 2023, 10:30:47 PM »
Do you two have a manual for the Deckle?    Something to read up on.

Dave
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Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #5 on: April 02, 2023, 10:55:13 PM »
The housing bore is pretty worn....here's a section from the manual ...I've lined it in red

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Offline 90LX_Notch

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Re: Gorton 265 d bit grinder overhaul
« Reply #6 on: April 02, 2023, 11:09:34 PM »
Dave-

These are the two best sources of info that I have found to get started:

http://www.nemes.org/Shaper%20Books/DECKEL%20OPERATING%20INSTRUCTIONS.pdf

 The Tool and Die Guy has a very good series of videos on YouTube.

-Bob
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Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #7 on: April 02, 2023, 11:26:02 PM »
Thanks Bob!

Dave
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Offline Dave Otto

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Re: Gorton 265 d bit grinder overhaul
« Reply #8 on: April 02, 2023, 11:52:14 PM »
The link that Bob posted is the book that I have. I couldn't get the link to work for me but I was able to find it on the NEMES site.

Dave O.

Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #9 on: April 03, 2023, 12:32:13 AM »
Thanks Dave!   Got it!

The Gorton doesn't do radius grinding, but that's ok....

Dave
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Offline john mills

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Re: Gorton 265 d bit grinder overhaul
« Reply #10 on: April 03, 2023, 04:34:18 AM »
the gorton book i have mentions a work head for doing radius ball end cutters
do you have a gorton book the one for there milling machine gives some instructions for grinding D bits.
I found the cutters need to be precise to work well .when i made a lot of embossing dies you soon found
some that were ground and held so they run true worked well some would not last long at all and i would get they weren't quite right.
at that time i could only use a tool and cutter grinder and the better chuck was missing.I only worked out what to grind an engraver showed me what they used.
John
 

Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #11 on: April 06, 2023, 12:57:16 AM »
the gorton book i have mentions a work head for doing radius ball end cutters
do you have a gorton book the one for there milling machine gives some instructions for grinding D bits.
I found the cutters need to be precise to work well .when i made a lot of embossing dies you soon found
some that were ground and held so they run true worked well some would not last long at all and i would get they weren't quite right.
at that time i could only use a tool and cutter grinder and the better chuck was missing.I only worked out what to grind an engraver showed me what they used.
John

The 375 did radius grinds, but not the 265   Just straight and conical.   Which for most of what I do is just fine.    The other thing I'll be grinding is lathe tools.....
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Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #12 on: April 06, 2023, 01:02:51 AM »
The ground workhead spindle itself is perfect!    The bore is wore all kinds of catiwampus!....I think a sleeve on the bore will sort that out just fine

Bore is 1.25" while the OD will be less than 1.375

The center height of the workhead housing is too tall for mounting it on the cross slide directly, so I may put  a knee on it, or mount it to a face plate

Dave
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Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #13 on: April 06, 2023, 01:17:04 AM »
Hey John Mills......YOU were right!

In another catalog, they mention a radius attachment....no picture though
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Offline steamer

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Re: Gorton 265 d bit grinder overhaul
« Reply #14 on: April 06, 2023, 01:33:50 AM »
The other reference that I found first John Mills

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