The Forestry Forum is sponsored in part by:

iDRY Vacuum Kilns


Forestry Forum
Sponsored by:


TimberKing Sawmills



Toll Free 1-800-582-0470

LogRite Tools



Norwood Industries Inc.




Your source for Portable Sawmills, Edgers, Resaws, Sharpeners, Setters, Bandsaw Blades and Sawmill Parts

EZ Boardwalk Sawmills. More Saw For Less Money!

STIHLDealers.com sponsored by Northeast STIHL


Woodland Sawmills

Peterson Swingmills

 KASCO SharpTech WoodMaxx Blades

Turbosawmill

Sawmill Exchange

Michigan Firewood, your BRUTE FORCE Authorized Dealer

Baker Products

ECHO-Bearcat

iDRY Wood Lumber Vacuum Drying for everyon

Nyle Kiln Dry Systems

Chainsawr, The Worlds Largest Inventory of Chainsaw Parts

Smith Sawmill Service



Author Topic: Saw Hammering Instructions  (Read 947 times)

0 Members and 1 Guest are viewing this topic.

Offline billk414

  • Member*
  • *
  • Posts: 1
  • I'm new!
    • Share Post
Saw Hammering Instructions
« on: August 07, 2021, 02:22:09 PM »
Am looking for documentation instructions (or a book) for saw hammering circular saws with two feet and greater diameters.  Also, what tools are required.

Offline Bradm

  • Full Member
  • **
  • Posts: 88
  • Age: 41
  • Location: Woodstock, Ontario
  • Gender: Male
  • I'm new!
    • Share Post
Re: Saw Hammering Instructions
« Reply #1 on: August 07, 2021, 02:51:37 PM »
Tools needed to hammer blades:

Hammers
Anvil
Something to clean the blades
Straight edge that is true to within .001"
Convex gauges that are ground to the proper arc for a set RPM rather than a fixed SFM
Soapstone to mark where you want to hammer
Enough space to move, store, clean and work with the blades
If large blades, something to lift the blades off the ground and onto a horizontal surface and back down
Some way to lift the blade to a consistent height from one end only

Don't forget about having lots of time and even more patience.  You will make mistakes.  You will make blades worse than when they came in, especially when you start out.  The gauges and straight edges will tell you where to work as will the blade itself.


Offline CCCLLC

  • Full Member x2
  • ***
  • Posts: 242
  • Age: 59
  • Location: Pittsboro NC
  • Gender: Male
  • It's not to big, load it!
    • Share Post
    • Carolina Custom Cut
Re: Saw Hammering Instructions
« Reply #2 on: August 07, 2021, 03:56:44 PM »
All good info. Thanks Bradm.

Offline CCCLLC

  • Full Member x2
  • ***
  • Posts: 242
  • Age: 59
  • Location: Pittsboro NC
  • Gender: Male
  • It's not to big, load it!
    • Share Post
    • Carolina Custom Cut
Re: Saw Hammering Instructions
« Reply #3 on: August 07, 2021, 03:59:04 PM »
Simonds Int. (Website?) Can get you  setup on tools.

Offline glendaler

  • Full Member
  • **
  • Posts: 85
  • Age: 33
  • Location: Pictou Co., Nova Scotia, Canada
  • Gender: Male
    • Share Post
Re: Saw Hammering Instructions
« Reply #4 on: August 07, 2021, 04:35:05 PM »
I just picked up a book called "miners manual of saw hammering and filing", its a reproduction of a manual from the early 1900s. I haven't hammered a saw using the info but it's one of the few books I've been able to find.
Belsaw A10 circle mill,

Offline moodnacreek

  • Senior Member x2
  • *****
  • Posts: 3250
  • Location: Orange County NY
  • Gender: Male
  • Sawin by the notches
    • Share Post
Re: Saw Hammering Instructions
« Reply #5 on: August 07, 2021, 06:03:03 PM »
The best book I have found; Hanchett saw and knife fitting Manual. This book has alot about bandsaws but the circle saw section has the most info that i have found. One thing to be aware of is that in Miner's and Covel's time there where solid tooth saws in use that developed rim problems from being ground. The insert saws should not develop these problems. I think hammering you own saw is going to be too much to learn by your self. However they say a sawyer should be able to keep a saw in better condition by hammering down lumps on a padded anvil as to not change the tension. I suppose carefull use of straight edges would be the rule

Offline Bradm

  • Full Member
  • **
  • Posts: 88
  • Age: 41
  • Location: Woodstock, Ontario
  • Gender: Male
  • I'm new!
    • Share Post
Re: Saw Hammering Instructions
« Reply #6 on: August 08, 2021, 12:38:22 PM »
One thing to be aware of is that in Miner's and Covel's time there where solid tooth saws in use that developed rim problems from being ground. The insert saws should not develop these problems. I think hammering you own saw is going to be too much to learn by your self. However they say a sawyer should be able to keep a saw in better condition by hammering down lumps on a padded anvil as to not change the tension. I suppose carefull use of straight edges would be the rule
Whether someone is running steel swedged tooth saws, steel tooth saws with a left/right set, brazed carbide tooth saws, stellite welded tooth saws, or insert tooth saws, the principles remain the same - flat is flat and tension is tension.
The rim problems that occur on steel tooth saws are caused by naturally changing tension requirements due to a reduced diameter which in turn reduces SFM; heavy grinding leading to an over hard spot inside the gullet; not enough grinding in the gullet resulting in the steel work hardening (this is a cold process) or micro fractures not being ground out.  The final 2 can also apply to both wide and narrow bands.
Insert saws are a bit different in that grinding doesn't have a noticeable affect on the SFM of a saw.  However, the tooth/shank combo does tighten the rim and will change the tension on a blade in the same way that an interference bushing will.  A sloppy fitting shank and tooth will result in a loose spot in the rim which can cause a crack to start in the same way that non-insert tooth saws do.
Padded anvils work for flattening blades without changing tension too much.  A piece of cardboard around the thickness of a cereal box or an office file folder is plenty thick.  So does placing the blade in a true vertical position, supporting the back of the blade around where you want to hammer, and lightly hitting the high spot.

Offline 4x4American

  • Senior Member x2
  • *****
  • Posts: 5808
  • Age: 129
  • Location: SE Adirondacks USA
  • Gender: Male
  • 1234
    • Share Post
    • Website Link
Re: Saw Hammering Instructions
« Reply #7 on: September 08, 2021, 07:49:46 PM »
Saw hammering is witchcraft  :D
Boy, back in my day..

Offline moodnacreek

  • Senior Member x2
  • *****
  • Posts: 3250
  • Location: Orange County NY
  • Gender: Male
  • Sawin by the notches
    • Share Post
Re: Saw Hammering Instructions
« Reply #8 on: September 08, 2021, 08:35:59 PM »
I just had a saw go out of whack. This completely surprised me as it gave little warning.  Saws that I have had to get hammered, that is saws that I had been using for some time always gained tension and got loose and touchy gradually.  The big problem is getting them back with as little tension as possible. Of the 5 saw men I have used only 2 could or would satisfy . They would work on the saw for a long time. The others would be done in an hour and one guy did it all with 2 stretcher rolls. They stand it up to the long straight edge and show you how perfect they got it. Any complaints and you get told how bad you mill set up is.  I had to put up with this for years until I found a real saw hammer man and all my mill problems went away.

Offline maple flats

  • Senior Member x2
  • *****
  • Posts: 2300
  • Age: 75
  • Location: Oneida, NY
  • Gender: Male
  • Life is what you make it!
    • Share Post
    • cnymaple.com
Re: Saw Hammering Instructions
« Reply #9 on: September 17, 2021, 10:20:29 AM »
I only needed my Peterson blades hammered 2x over 17 years. I sent them to Menominee Saw in Menominee MI. At the time they were done by a man named Peachy, I suspect he may now be retired or worse. At any rate Menominee will be able to do it. They will need to know what RPM you run the saw at.
logging small time for years but just learning how,  2012 36 HP Mahindra tractor, 3point log arch, 8000# class excavator, lifts 2500# and sets logs on mill precisely where needed, Woodland Mills HM130Max , maple syrup a hobby that consumes my time. looking to learn blacksmithing.


Share via delicious Share via digg Share via facebook Share via linkedin Share via pinterest Share via reddit Share via stumble Share via tumblr Share via twitter

xx
Instructions for jackhammer

Started by brdmkr on General Board

8 Replies
2243 Views
Last post June 18, 2008, 11:30:50 PM
by Don_Papenburg
xx
Members Map Instructions

Started by Jeff on Technical Support Topics

9 Replies
3168 Views
Last post December 04, 2007, 05:00:57 AM
by redpowerd
xx
Injector instructions

Started by Nemologger on Forestry and Logging

2 Replies
617 Views
Last post July 03, 2013, 11:00:51 AM
by mburrow
xx
Instructions on sawing a leaner?

Started by Handy Andy on Sawmills and Milling

4 Replies
1388 Views
Last post January 11, 2011, 12:47:52 PM
by captain_crunch
 


Powered by EzPortal