Hand Scraper Design - The Hobby-Machinist
2018年12月5日 · They are copies of Biax hand scrapers, the 2 screw connection holds Biax scraper blades. The short extensions are designed to hold Sandvik 25x25 or 25x30mm carbide scraper inserts, which are mounted in the photo below. The other scraper in the photo is a very old Anderson scraper, bought it from Ulma Doctor some years ago.
Hand Scraper Design | Page 2 | The Hobby-Machinist
2018年12月5日 · I'm in the middle of a restoration where a hand scraper is actually a little more convenient than my ancient (and HEAVY) Biax for much of the work. For things like inverted ways where it's impractical to get the surface you're scraping horizontal, I take the the pad off of my manual scraper and hold the grip with my hand, but still tucked in ...
Home made hand scraper - The Hobby-Machinist
2013年7月15日 · I bought the metal to make my own hand scrapers today. I would like to make couple of Biax compatable blades to use on it and hopefully a biax scraper someday. Could some one post the both thickness and shank end dimensions of a biax blade. Thanks Bob:dunno:
Hand scraper geometry for brass | Page 2 | The Hobby-Machinist
2018年2月1日 · The softer the more neg rake. Also when scraping the softer materials, use about 2 to 4 pounds pressure down. You can use a bathroom scale to measure it. Cast iron is about 8 pound pressure. You lay a thingpeice of plywood on the scale and hold the hand scraper on the wood like your going to scrape and press down.
Hand Scraper Design | Page 3 | The Hobby-Machinist
2018年12月5日 · This make pushing it simpler. I would also clamp on the carbide as if you braze it on,, your limiting your scraper to only have 2 blades. If you clamp on the carbide insert you have 8. Pic L to R. 1) Student made a hand scraper out of a Sandvik handle of right with clamped insert attached to plastic pipe with a rubber sanding pad 2) body pushing .
Golf club hand scraper | The Hobby-Machinist
2016年7月15日 · My in progress scraper using golf club. It's very light, hopefully that's a good thing for the hand. I need to drill and tab for the hold down screw.
Scraper hand | The Hobby-Machinist
2023年7月28日 · He was a true Scraper Hand, this was a term used for professional scrapers for decades. His name escapes me at this moment but he worked at Warner & Swasey and I believe retired from there. He worked for many years at a machinery dealer that provided service and repair as well as buying and selling machine tools. These were a few of his hand ...
Home made hand scraper | Page 2 | The Hobby-Machinist
2011年8月5日 · Looks amaaaaazing. The scraper aint` bad either ;) I'm really new to this, so please bear with me. I'm in the process of restore a late model Craftsman 12 and the bed looks pretty bad after getting it home and cleaned up a little.
Hand scraper geometry for brass | The Hobby-Machinist
2018年11月9日 · Any tips for hand scraper blade geometry for brass? I laminated brass sheet to the back of my tapered gibs to build up size, and having a bear of time scraping it to match the stationary gib dovetail. Standard carbide rake angle of 90° Just seems to mush the brass around.
Sharpening/shaping carbide scrapers | The Hobby-Machinist
2017年7月28日 · This post is about a carbide shaping and sharpening system I came up with for my carbide hand scrapers. The motivation: I found a source of inexpensive carbide scrapers, but they had the wrong bevel for metal scraping. My setup is a low speed wheel driven by a stepper motor. "sharpen#1"...