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Re: buffalo hvmbs-4.2 (1982)

 

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?One good place is VXB Bearings:

?You can search by ID and OD by simply clicking "Ball Bearings" in the left column, and then selecting your ID an OD sizes in the "Filter By Inner Diameter" and "Filter by outer Diameter" drop down boxes near the top of the page. You can also punch in bearing numbers into the search box from the main page and reverse engineer their dimensions which can be handy every rare once in a while, like if you are reading a schematic or etc. Worth bookmarking the website even if you only use it to determine what bearing number it is that you need and then you end up buying them elsewhere.


On 10/22/2017 6:12 PM, Todd Bourassa trbourassa@... [4x6bandsaw] wrote:

?

I picked up a 1981 central machinery saw. I have the same issue as Andy with the bearings seem to large. Mine are same size as Andy has 12x32x10. They have a bushing in 2 of bearings and the other 2 bearings have the eccentric bushing. Mine won't go wide enough for blade to pass through. I think I will order a smaller outside diameter (30) but keep same inside as the bushings will fit.
Re: buffalo hvmbs-4.2 (1982)

Todd Bourassa
 

I picked up a 1981 central machinery saw. I have the same issue as Andy with the bearings seem to large. Mine are same size as Andy has 12x32x10. They have a bushing in 2 of bearings and the other 2 bearings have the eccentric bushing. Mine won't go wide enough for blade to pass through. I think I will order a smaller outside diameter (30) but keep same inside as the bushings will fit.

Todd
--------------------------------------------

On Sat, 10/21/17, vreededesign@... [4x6bandsaw] <4x6bandsaw@...> wrote:

Subject: [4x6bandsaw] Re: buffalo hvmbs-4.2 (1982)
To: 4x6bandsaw@...
Date: Saturday, October 21, 2017, 11:51 PM


?











Hi Andy

There are a few different
sizes used, but for a 1982 saw they’re
likely to be 6200 bearings (10mm ID x 30mmOD x
9mmwide).? Whatever they will be metric bearings, not
US imperial size.Get the
6200-2RS versions with 2 rubber seals
rather than Z or ZZ versions, which just have 1 or 2 metal
shields and don't keep the grit and swarf out as well.
Buy
name-brand bearings from a bearing supply?house rather
than a ‘sleeve of 8 for $10’ unbranded Chinese skate
board bearings off eBay.?
The load on these bearings is
high and the cheap
bearings just don’t last, even though they
fit.

The bearings on the inside of
the loop of the blade are
normally on a concentric sleeve, the ID of which is the
clearance on the bolt
or pin the bearing mounts on.? The
outside ones have an eccentric top-hat style sleeve so the
gap between the
bearings can be adjusted.?
Some of the
cheap saws (like mine) have eccentric sleeves on both inner
and outer guide
bearings -
jv











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Re: buffalo hvmbs-4.2 (1982)

[email protected]
 

Hi Andy

There are a few different sizes used, but for a 1982 saw they’re likely to be 6200 bearings (10mm ID x 30mmOD x 9mmwide).? Whatever they will be metric bearings, not US imperial size.

Get the 6200-2RS versions with 2 rubber seals rather than Z or ZZ versions, which just have 1 or 2 metal shields and don't keep the grit and swarf out as well. Buy name-brand bearings from a bearing supply?house rather than a ‘sleeve of 8 for $10’ unbranded Chinese skate board bearings off eBay.? The load on these bearings is high and the cheap bearings just don’t last, even though they fit.

The bearings on the inside of the loop of the blade are normally on a concentric sleeve, the ID of which is the clearance on the bolt or pin the bearing mounts on.? The outside ones have an eccentric top-hat style sleeve so the gap between the bearings can be adjusted.? Some of the cheap saws (like mine) have eccentric sleeves on both inner and outer guide bearings - jv
buffalo hvmbs-4.2 (1982)

[email protected]
 

I picked up this saw the other day for $40. runs fine, brass gear and worm gear look great, though was low on oil. The major issue i have is that the guide bearings had been replaced. Currently the ones there are 6201z 12x32x10, some one ad pressed an 8mm bushing in to reduce the ID. What size should the bearing be? these are seized up and seem to be too large causing too small of a gap for the blade to ride through.?


Thanks


Andy
Re: Does anyone USE this forum anymore?

 

Also just lurking here (from Oz).

I got my BS about a 1/2year ago, came with one broken wheel and motor mount and the brass cog wheel had some damage. So the first thing I did was to take it apart - completely.

Got all iron cast parts powder coated in a color scheme I like.

Then I made me a couple of parts to improve the bearing situation (or add some, where there hadn't been any - idler wheel) and it's waiting for reassembly since then.

Also, as there is no space to prop the saw up for use it's better it sits around in it's current state.
Once I need to cut anything and got the space for it, it will be used, that's for sure.
Re: Does anyone USE this forum anymore?

 

I have had a 4 x 6 Jet for the past 3 years, bought it lightly used. Looks just like the HF one when I go to the store. I like it a lot, but have spent hours performing the mods that other have done to make it an ever better saw (built a permanent out feed table to support the cut off parts, relocated the fixed jaw closer to the blade for cutting short parts, made the T nut for the rotating jaw, made vertical table for free hand cutting, made alternate mounting position for the fixed jaw so I can get a 8" wide part in there if need be, etc). Still want to mess with a down-feed cylinder and possibly drip coolant.

I was able to cut 8" dia 4140 with mine with a new sharp blade, but had to sit there and watch it the whole time. Cut just over half way thru, then rotated it and cut the rest of the way thru.

I have come to depend on my saw and like it a lot. Use it more than I ever thought I would. Compared to angle grinder wheels and hand saws, will not ever be without one. Any brand is WAY better than not having one.

While I have not had any major issues with the Jet, I would not spend the extra money to replace it if it ever dies. I would probably buy the next size up Chinese version.
Re: Does anyone USE this forum anymore?

 

Unfortunately in today's disposable life style when its all said and done, its cheaper to buy a cheaper new saw (ie HF) than spend money for parts and time for repairs. I just replaced the bar and chain on an electric HF chainsaw. The parts cost a few dollars more than if I bought a new saw with the discount coupon. If you have the means to machine your own parts than go for it. You may want to check into 3D printing for the parts.


Wheeler

On October 20, 2017 at 10:33 AM "rhulslander@... [4x6bandsaw]" <4x6bandsaw@...> wrote:

?

Thanks John good post. I see you in a lot of forums.


I have gotten so much from this particular forum. Had some great discussions.

I certainly hope it sticks around as I have some serious repairs needed for my 4 x 6, who knew you were supposed to check the oil and change it every year?

After five years of my neglect, and being second hand besides, with a saw built who knows when.

My gears are gone, and need to be replaced so I will need some help.?

It will probable be six months to a year before I can take the time to actually fix my saw
so I certainly hope this forum is around.

Ralph

?


?
Re: Does anyone USE this forum anymore?

[email protected]
 

Thanks John good post. I see you in a lot of forums.

I have gotten so much from this particular forum. Had some great discussions.

I certainly hope it sticks around as I have some serious repairs needed for my 4 x 6, who knew you were supposed to check the oil and change it every year?

After five years of my neglect, and being second hand besides, with a saw built who knows when.

My gears are gone, and need to be replaced so I will need some help.?

It will probable be six months to a year before I can take the time to actually fix my saw
so I certainly hope this forum is around.

Ralph
Re: Does anyone USE this forum anymore?

Dave
 

开云体育

I love my saw and often wonder how I got along without it.? I am learning to weld and do a tiny bit of machining, hence the saw.? I figure since I am learning more than anything else, I don't have a lot to offer to the forum but I get a lot from it!


On 10/19/2017 6:11 PM, hamish haig hhaig1@... [4x6bandsaw] wrote:

?
Picked a saw up cheap a few weeks back. A new blade and some fresh oil and its been great. Has been cutting square. Added a small guard to stop swarf going down inside the guarding under the bottom rollers when running vertically. I found the wheel loaded up quickly with swarf and the hinge pin got covered in swarf, leading to increased wear.?
Re: Does anyone USE this forum anymore?

 

开云体育

?I am on a number of metalworking groups like this, in my case this includes groups for benchtop mini-mills and mini-lathes and so forth. Many groups will go quiet until somebody asks a question, and then there's a dozen posts or something, and back to quiet again. If you are reading this and have a question about your something group related, SPEAK UP.

?Many of us on these groups receive every group post as a separate email - once upon a time on some groups this option (every post sent as an email) could lead to overwhelming numbers of emails into your inbox if you did not check your email every day, or at least several times a week. But the point is if someone posts something here, then a lot of people will get it as an email and some few will respond. Far more people "lurk" than post - that is universal on all message groups

?I recommend the Thunderbird email program if you can set up your email account with it (not all email accounts will allow you to download all of your email using a program like this - depends on your internet service provider). In Thunderbird, you can create a bunch of subfolders below your inbox- in this case each folder is given a name to match the groups you have joined, like a "4x6 Bandsaw" folder, a "7x12MiniLathe" folder, and so forth, and then you create message filters so Thunderbird will automatically sort all of your incoming emails into their proper folders for you. I have interests ranging from news and politics to guns and hunting to metalworking to you name it. All of the emails I get from all of these widely varied sources all get sorted into their appropriate folders and subfolders this way (I have a "Metalworking" folder, which in turn has a bunch of subfolders inside it for each of the metalworking groups I am on.), keeping everything nice and organized. I can't imagine trying to get through one massive inbox folder with all of the email I get, all just jumbled together in whatever random order they came in. That would be a seriously confusing mess to deal with. I average between 100 to 150 emails a day or so, and as an avid speedy reader I click through them in short order, but that is another story. The point is I have all my email automatically sorted into folders by subject and that really helps keep things simple and enjoyable.

?Another use for message filters is auto-deletion of spam - if you get junk mail and try to unsubscribe but they just keep hammering you with more junk mail, you can set up message filters to automatically delete them as fast as they come in. With a fast internet connection you are no longer even aware of how much auto-deletion of junk is going on, unless you decide to peek in your Trash folder from time to time. Not foolproof but very helpful.

?Thunderbird is of course FREE.

?Cheers,
?John Z.
Re: Does anyone USE this forum anymore?

hamish haig
 

Picked a saw up cheap a few weeks back. A new blade and some fresh oil and its been great. Has been cutting square. Added a small guard to stop swarf going down inside the guarding under the bottom rollers when running vertically. I found the wheel loaded up quickly with swarf and the hinge pin got covered in swarf, leading to increased wear.?
Re: Does anyone USE this forum anymore?

Jerry Durand
 

开云体育

The saw is still a critical item here, haven't made any changes since the original fixes:

new wheels and some frame bracing.

changed oil

replaced a damaged bearing in the idler wheel

chamfered the wheels to not flatten the saw set.

On 10/19/2017 02:29 PM, Charles Kim charlie.h.kim@... [4x6bandsaw] wrote:
Still use the band saw but not as active any more. :)


-- 
Jerry Durand, Durand Interstellar, Inc.

tel: +1 408 356-3886
@DurandInterstel

Re: Does anyone USE this forum anymore?

 

Still use the band saw but not as active any more. :)

On Thu, Oct 19, 2017 at 1:06 PM, casca conner casca92@... [4x6bandsaw] <4x6bandsaw@...> wrote:
?

Some of us lurk? some post when we are stumped
From: 4x6bandsaw@... <4x6bandsaw@...> on behalf of Clem Wixted cwixted@... [4x6bandsaw] <4x6bandsaw@...>
Sent: Thursday, October 19, 2017 12:35:44 PM
To: 4x6bandsaw@...
Subject: Re: [4x6bandsaw] Does anyone USE this forum anymore?
?
?

This used to be a pretty active forum. There are many good threads that I have gleaned a lot of useful information from. I'm no longer active on this forum nor in using my bandsaw.? :-(

On Wed, Oct 18, 2017 at 9:47 AM, banzaitoyota@... [4x6bandsaw] <4x6bandsaw@...> wrote:
?

I only have the Horrr Fright version, so I can no speak about the Jet. But I do use this forum as a reference source
Re: Does anyone USE this forum anymore?

 

开云体育

I always stay tuned and interact only if there is anything in which I can make a positive contribution to the discussion. At least as I see it, thanks God, it ain't Facebook, Twitter, or any other social media. ;-)

Paolo
Damascus, MD


On 10/19/2017 2:06 PM, casca conner casca92@... [4x6bandsaw] wrote:

Some of us lurk some post when we are stumped
From: 4x6bandsaw@... <4x6bandsaw@...> on behalf of Clem Wixted cwixted@... [4x6bandsaw] <4x6bandsaw@...>
Sent: Thursday, October 19, 2017 12:35:44 PM
To: 4x6bandsaw@...
Subject: Re: [4x6bandsaw] Does anyone USE this forum anymore?
This used to be a pretty active forum. There are many good threads that I have gleaned a lot of useful information from. I'm no longer active on this forum nor in using my bandsaw. :-(

On Wed, Oct 18, 2017 at 9:47 AM, banzaitoyota@... [4x6bandsaw] <4x6bandsaw@...> wrote:

I only have the Horrr Fright version, so I can no speak about the Jet. But I do use this forum as a reference source
Re: Does anyone USE this forum anymore?

 

开云体育

Some of us lurk? some post when we are stumped

From: 4x6bandsaw@... <4x6bandsaw@...> on behalf of Clem Wixted cwixted@... [4x6bandsaw] <4x6bandsaw@...>
Sent: Thursday, October 19, 2017 12:35:44 PM
To: 4x6bandsaw@...
Subject: Re: [4x6bandsaw] Does anyone USE this forum anymore?
?
?

This used to be a pretty active forum. There are many good threads that I have gleaned a lot of useful information from. I'm no longer active on this forum nor in using my bandsaw.? :-(

On Wed, Oct 18, 2017 at 9:47 AM, banzaitoyota@... [4x6bandsaw] <4x6bandsaw@...> wrote:
?

I only have the Horrr Fright version, so I can no speak about the Jet. But I do use this forum as a reference source
Re: Does anyone USE this forum anymore?

 

This used to be a pretty active forum. There are many good threads that I have gleaned a lot of useful information from. I'm no longer active on this forum nor in using my bandsaw.? :-(

On Wed, Oct 18, 2017 at 9:47 AM, banzaitoyota@... [4x6bandsaw] <4x6bandsaw@...> wrote:
?

I only have the Horrr Fright version, so I can no speak about the Jet. But I do use this forum as a reference source
Re: Does anyone USE this forum anymore?

 

I only have the Horrr Fright version, so I can no speak about the Jet. But I do use this forum as a reference source
Re: Oil the blades while cutting?

 

For intermittent lubrication with an acid brush or hand sprayer, I minimize the mess by placing a 5 gallon plastic bucket under the vise. It catches drips and also the cutoff pieces. Personally, I have not had troubles with swarf buildup on the guides, but I do brush them occasionally between cuts to keep it from building up. Swarf on the blade wheels doesn't seem to be a problem for me.

Richard Marchi
600 Water Street, SW
NBU 8-2
Gangplank Marina Slip B-22
Washington, DC 20024
Re: Oil the blades while cutting?

John Vreede
 

开云体育

Yeah I think the main resistance to using lube is the mess that it creates.? I don’t have any extra guarding or catch trays but one of the nice things about the scrapers is that the mess all drips off in one spot and its easier to manage - jv
Re: Oil the blades while cutting? [1 Attachment]

David Frantz
 

开云体育

I always cut with a lubricant dripped on every few minutes. ? So far no tracking problems that I can attribute to swarf build up. ? I’m actually surprised that people would cut steel without a lubricant / coolant, using something helps even for use with manual tools. ? The o only real problem I’ve seen is drips where you don’t want drips.

Dave

On Sep 10, 2017, at 6:52 AM, vreededesign@... [4x6bandsaw] <4x6bandsaw@...> wrote:

[Attachment(s)?from?vreededesign@...?[4x6bandsaw] included below]

Hi all

There was a part of this thread that wasn't being?covered (until Gerry chimed in!) about the effects of the build-up that liquid coolant/lube causes and what to do about it.

My experience is different from Gerry's.??I cut a lot of aluminium using sprayed or brushed on kerosene as the cutting fluid.? Using?0.005" clearance between the blade and the guide rollers, it would start out cutting square, but, after the 20th or 30th piece, it started to wander and I couldn't figure it out why.? Then?I saw the build up on the guide rollers, the blade and the wheels.?

So I made the hacksaw blade scraper shown in the attached doc, cleaned of the guide rollers?and wheels?and it cut straight again.

I'm certain if you run liquid lube, applied by whatever means to cut steel or aluminium, you should use a blade scraper.?

My first was?not that easy to make so this afternoon I tried making one from a bit of 5/16" thick UHMWPE I had.? It took only 20min?and seems to work well too, albeit?on a blade that was clean to start with, though of course I've no idea how long it?will continue to work so well. Being UHMWPE?I suspect it will last a long time. Nylon or acetal would probably work ok too.

I've put the doc in the Files section.

Rgds - jv?


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