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"Big Ziggy" 1HP Craftsman Block Grinder Build

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JZiggy

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You guys are having WAY too much fun here!


New plan: ditch the plywood and make an aluminum adapter plate.
 

Journaler

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That "one way" balancing system looks nice, but it costs ~3x as much as what I paid for my grinder!
 

McBrownie

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Ziggy: i've never heard or seen of those so thanks for sharing. also the nickel standing on end with it running is a nice touch.

i think McB was doing something with washers on the side of a wheel about a year ago to balance one of his wheels and maybe he gave up on that idea because we were worried it might fly off and hurt or kill him.

yours seems to have all safety factors covered.

now i guess all you have to do is get the exterior paint out and paint the plywood and your done. :evil:

Oh no! Now I have buy one of those! Drives, you were right. The Block Meister is heading to "four figure" territory. Thanks JZ. :D

Edit: Turn around is fair play. JZ, that plywood *****. You need to replace it with Carbon Fiber. :bounce:
 

McBrownie

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Screw carbon fiber. I need Torlon. http://www.mcmaster.com/#8563k551/=1173hfl

4 figures alone.

You're welcome, McB. What are friends for if not to spur excessive spending on pet projects?

"Capable of maintaining its shape and strength across a range of temperatures, Torlon PAI is often used in high-friction applications, such as non-lubricated bearings, seals, and compressor parts."

Sheets
12" × 12"
$1,120.03 Each

Yep, you need that!
 
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JZiggy

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I used to work with a fantastic sales guy who would say, "I don't know what that is, but I need it!"
 
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JZiggy

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More thoughts on rubber:

I had asked a question on the main block grinder thread about whether the big boys with deluxe bases utilized bushing between the grinder and the base. Some seem to use them, others not. Mine had short #10-32 screws that would not have had room for the intermediate bushings. But when I installed it that way there was some resonant noise, so I got longer screws and put them through the bushings. This is great because the grinder is isolated in both up and down, and side-to-side directions.

IMG_4533_zpsvfoea8so.jpg

I need to backpedal here a bit. I still think using the screw-through-bushing method above is handy if you have a grinder with imbalance issues since it adds extra damping and further isolates the grinder from its mounting.

However, if the grinder is pretty well balanced I'm finding it is better to just screw it down directly to the base. I did not detect any increase in vibration without the intermediate bushings. I do suggest getting longer #10-32 screws -- I found 3/4" long with wide washers worked well and utilized most of the thread depth in the deluxe base.

Why is this better? First, now the tool rests and the grinder are one solid unit, so they don't have any relative motion (ie, the "give" of the intermediate bushings allowing you to force the tool rest into the stone). Second, it allows the grinder itself to sit lower down on the base so you can get more height adjustment out of the tool rests. This helped my Stanley tool rests fit better. Third, it's easier to install and uninstall than putting the screws through the bushings.

IMG_4570_zpsfuq4a3ja.jpg


Tech update over. Back to the regularly scheduled tomfoolery :bounce:
 
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torqueman2002

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You may have already posted about the stud 'n nut fasteners for the wheel guard covers, but I just noticed them.

Once again, nice attention to detail! :thumbup:
 
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JZiggy

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Nope, I actually posted about that a while back with regard to my 3/4HP block. The original screws are nice because you can loosen a bit and then rotate the cover off, but they have a very small bearing area and gouge the aluminum covers, especially if your covers are warped and have to get smashed down into the place by the screws (like mine!) Flange nuts are easier on the covers.

This time I used #8-32, 1" long SS set screws. Much easier to install with a hex wrench than using two jam nuts to drive in a basic stud. Hate that ****!
 

drivesitfar

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Ziggy & ALL: so space age material under a 50 year old Craftsman block? sounds good to me. :D

Ziggy: your 1 HP block is moving into the same company with Go Blue and The Blockmeister and maybe a couple others. have a great weekend and i'm sure you'll think of something else to add to your gem.

McB: looks like the flying washers won't be a danger any more. once you found out they could fly off i'm guessing you took the washers off the wheels or did you just secure them better.
 

drivesitfar

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Ziggy: I really did like your aluminum base and just wanted to hear your thinking. since I like bare or naked aluminum or any steel for that matter I was just curious why you painted it. you did an AMAZING JOB as per usual and even tapped holes for the bolts holding the Block to the plate. sorry my HUMOR didn't land as intended, but we were talking about Carbon and Space age materials and your paint job doesn't show a flaw so almost looked like it was done at a factory.

again another nice upgrade to your big Block. :thumbup::thumbup:
 
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JZiggy

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Drives, I just didn't get to your post in time. No bad landing of humor detected here. Thanks for the positive words, as always!

The side facing front had a saw texture and the other surfaces are as extruded. Looked more uniform painted. Also wanted to try out another color to see if it would suit my next block rebuild project :)
 

larryq

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Trememdous rebuild, thanks for posting it.

I have a 3/4 HP version of this same grinder that will need a restore-- and one of the plastic eyeshields is half melted from someone's mistake. Anyone know where to get a replacement? Is there a searspartsdirect link I can go to?
 

drivesitfar

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Larry: there are posts all over the Craftsman block grinder thread for parts availability. Tourqueman2002 (DOC BLOCK) might even have a link in his sig line to help you. good luck

Ziggy: so i'm guessing you are FINISHED with the 1HP now? you did an amazing job and thanks for sharing and putting up with me (us), but we all love your talent and pictures. :bowdown:

so I guess you need to let us know what your next project is and i'll keep ORGANIZING. it's a swear word if I mention it to my wife because she is a minimalist unlike me.

cheers and have a great weekend
 

torqueman2002

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Trememdous rebuild, thanks for posting it.

I have a 3/4 HP version of this same grinder that will need a restore-- and one of the plastic eyeshields is half melted from someone's mistake. Anyone know where to get a replacement? Is there a searspartsdirect link I can go to?
Hi Larry,

Here's a link on non-OEM eye shields. (OEM are no longer available)
http://www.garagejournal.com/forum/showpost.php?p=3323239&postcount=465

<table height="84" border="0" cellpadding="0" cellspacing="0" width="420"><colgroup><col style="mso-width-source:userset;mso-width-alt:4032;width:95pt" width="126"> <col style="width:54pt" width="72"> </colgroup><tbody><tr style="height:14.25pt" height="19"> <td colspan="2" style="height:14.25pt; mso-ignore:colspan;width:149pt" align="left" height="19" width="198">GRAINGER - Eye Shield Kit, Bench Grinder, Replacement</td> </tr> <tr style="height:14.25pt" height="19"> <td style="height:14.25pt" align="left" height="19">$16.59 / each</td> <td align="left">10/29/2015</td> </tr> </tbody></table> <table height="42" border="0" cellpadding="0" cellspacing="0" width="295"><colgroup><col style="mso-width-source:userset;mso-width-alt:4032;width:95pt" width="126"> </colgroup><tbody><tr style="height:14.25pt" height="19"> <td style="height:14.25pt;width:95pt" align="left" height="19" width="126">L-bracket</td> </tr> <tr style="height:14.25pt" height="19"> <td style="height:14.25pt" align="left" height="19">$0.63 / each</td> </tr> </tbody></table>
 
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JZiggy

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Ziggy: so i'm guessing you are FINISHED with the 1HP now?

I guess I wasn't quite done.

I was never too happy with the paint on the center band. I originally used Rustoleum Metallic Silver. It looked pretty good, but the paint can't be clearcoated according to Rustoleum's directions and I found that it smudged and dinged very easily. Another member had suggested Rustoleum Satin Nickel so I decided to give it a try on the old center band I had sitting around.

Rustoleum Metallic Silver, no clear coat (and you can see the **** that accumulates near the switch):
IMG_4835_zpskpkeyhxh.jpg


Rustoleum Satin Nickel, with clear coat:
IMG_4836_zpsp5862s53.jpg


Maybe I'm just nit-picking, but I think it looks better. My artist-in-residence told me that the new color makes it look more like a muscle car, so that's good enough for me :thumbup:

IMG_4837_zpssljgntpi.jpg
 

drivesitfar

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Ziggy: you've done another nice improvement and happy to hear your critic is supportive and not telling you to just turn it on and use it. it looks great and not trying to get you to spend more money, but I'd like to see it with the older block's metal framed eye shields if you can find a donor.

anybody know if the old metal eye shields fit on the slightly newer blocks that just have the frameless one?

WELL DONE SIR
 

torqueman2002

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JZ - Nice improvement. I'll make a note of it in my threads.

Drives - I have the large metal frames on the 3/4-HP Maroon/Cream Block.

I can check if the smaller metal frames fit also, and report back.

P1000116.jpg
 
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JZiggy

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Thanks for the kind words! I like the look of the metal framed guards, just haven't stumbled across any yet.
 

drivesitfar

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JZ: i'm not sure Doc's guards came with his block or any block that size, but he'll be able to say. I can say that other old grinders have those COOL metal framed guards so keep you eyes open for some on a STANLEY, DAYTON and heck I've got a pair of lighted Baldor guards waiting to go on a 1/2 HP Baldor i'm going to spiff up if you can find a pair of those and make them fit. or maybe one of those huge 3 phase grinders that you might run across might have a nice pair.

we are not Enablers or are we??:evil:

all in good grinder humor and fun and hope you understand we have the same itch to scratch. :thumbup:
 

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McBrownie

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I guess I wasn't quite done.

I was never too happy with the paint on the center band. I originally used Rustoleum Metallic Silver. It looked pretty good, but the paint can't be clearcoated according to Rustoleum's directions and I found that it smudged and dinged very easily.

Directions? You read the directions? :wtf: I clear coated my Rustoleum metallic silver and it worked just fine. The metallic nickel looks good too. Nice job! ;)
 

torqueman2002

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Thanks for the kind words! I like the look of the metal framed guards, just haven't stumbled across any yet.

I've seen them on eBay - $$!

The one's above were 'donated' from a little brother. :lol:

BTW - Drive's wanted to know if the metal framed eye shields will fit on the newer grinders that came with the plastic eye shields.

So far I've fitted the larger metal shields to the Maroon/Cream Block above, and the smaller metal shields also fit.

I will predict, both small and large metal eye shields will fit the flat top Blocks that came with the plastic eye shields.
 

torqueman2002

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Drives - I spotted a pair of the lighted Baldor eye shields on a non-Baldor grinder listed on CL.

DiehlGrinderCaptureeditrd.jpg


That little grinder, Diehl, is one heavy puppy! I went to pick it up and thought it was still bolted to the stand.

Anyway, I went after the lights, but it turns out the grinder is cool too!
Diehl050HPP1070663.jpg


Diehl050HPP1070649.jpg


Now I just have to get some eye shields fot it!

It never ends!

LOL
 
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drivesitfar

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DOC: you'll probably find some glass before I get ORGANIZED, but I know I can fill up a USPS flat rate box with some glass, plexi, and grinder parts to ship you. did you have a chance to see my new ORGANIZING 101 thread in garage gallery? I put the link in my sig line for you and all the block heads and other members.

I'm also asking the members to share their ORGANIZING pictures in any stage of before, during and after so post up a few pictures there if you have time and want to. or just poke your head in and watch me clean up my mess and life.

nice find on the baldor shields and the interesting grinder too.

JZ: sorry to add to your list of things to keep putting on that AWESOME 1HP BLOCK, but that's why we love GJ. isn't it??
 
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JZiggy

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Doc: a Diehl indeed!

Drives: yep, that's what GJ is for. Keep an eye out for some metal shields for me. It's the least you can do now that you've added it to my list ;)
 
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