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26th May 2012, 08:36 PM #1
Blacksmith, Cabinetmaker, Machinist, Messmaker
- Join Date
- Dec 2011
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- Canberra
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- 40
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- 4,467
Scraping my Clifton no.5 hand plane
Hi,
I am a cabinetmaker by trade(not currently working as one), but my "hobby" is metalworking, so i normally hand around the metal forum. I thought i would share my steps into the world of scraping metal REALLY flat (much flatter than i can think of as a woodie) It really amazed me the lack of bearing on my newish no5 Clifton, so i fixed it.
For those who don't know what metal scraping entails, A flat granite surface plate is covered in a very thin layer of bearing or Prussian blue paste. The object in question is then carefully placed on the granite and moved so that any high spots pick up the blue. The blue spots can then be scraped off with a carbide or HSS tipped scraper, which is more like a long chisel than what we, as woodies, know as a scraper. The process is then repeated many times until the object is flat.
https://www.woodworkforums.com/f65/sc...-plane-153138/1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
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16th August 2012, 08:22 PM #2
Blacksmith, Cabinetmaker, Machinist, Messmaker
- Join Date
- Dec 2011
- Location
- Canberra
- Age
- 40
- Posts
- 4,467
Just an update on this thread, I reassembled my plane today and used her on some myrtle that is part of a current job. She has never cut so well, i really cannot tell you how well, not even after being freshly lapped was she this good, i think the level of flatness involved is so much better than lapping (we are talking .0001" or a few microns here) that it really makes a difference.
For anyone interested, maybe ask one of the regulars on the metalworking forum in your area, i would be happy to help any members in Canberra. (although a #5 is the longest i can currently do). We are all starting to get into metal scraping after a couple of courses held by one of the members.1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
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