1
Knife making - Making knife out of leaf spring
Knife making - Making knife out of leaf spring
DATE: 2014/08/31::
2
Knife making: Hunting knife with special handle
Knife making: Hunting knife with special handle
DATE: 2014/11/12::
3
Blacksmithing Knifemaking - Forging A Rasp Chopper Knife From A Farrier
Blacksmithing Knifemaking - Forging A Rasp Chopper Knife From A Farrier's Rasp - Part 1
DATE: 2014/08/30::
4
Knifemaking - How to make a knife bevel
Knifemaking - How to make a knife bevel
DATE: 2013/02/02::
5
Knifemaking-Damascus steel knife
Knifemaking-Damascus steel knife
DATE: 2013/10/23::
6
中新田打刃物 Japanese Knife Making by Michio Ishikawa[the Fourth] santoku kitchen knives 加美町 kami-town
中新田打刃物 Japanese Knife Making by Michio Ishikawa[the Fourth] santoku kitchen knives 加美町 kami-town
DATE: 2014/10/26::
7
Knifemaking - a knife from old bearing
Knifemaking - a knife from old bearing
DATE: 2013/04/19::
8
Blacksmithing Knifemaking - Forging A Ram
Blacksmithing Knifemaking - Forging A Ram's Head Railroad Spike Knife
DATE: 2014/08/30::
9
Making a Custom Knife for the Antarctic Research Mission
Making a Custom Knife for the Antarctic Research Mission
DATE: 2014/10/03::
10
Knife Making with Wood and Brass Handle
Knife Making with Wood and Brass Handle
DATE: 2014/08/05::
11
Knife Making: How to make a Bevel Jig
Knife Making: How to make a Bevel Jig
DATE: 2015/01/25::
12
Knifemaking - knife from a wood saw
Knifemaking - knife from a wood saw
DATE: 2012/12/13::
13
Traditional Knife Making - Forging a Shear Steel Tanto Blade...full process
Traditional Knife Making - Forging a Shear Steel Tanto Blade...full process
DATE: 2014/05/07::
14
How to Make a Bushcraft Knife
How to Make a Bushcraft Knife
DATE: 2014/03/28::
15
Knife Making Tutorial - LEARN from my mistakes- Tips, Tricks, Sales
Knife Making Tutorial - LEARN from my mistakes- Tips, Tricks, Sales
DATE: 2012/07/16::
16
How to Choose Steel for Knife Making
How to Choose Steel for Knife Making
DATE: 2013/11/11::
17
Knifemaking - A small knife is made
Knifemaking - A small knife is made
DATE: 2013/12/24::
18
The Birth Of A Tool. Part III. Damascus steel knife making (by John Neeman Tools)
The Birth Of A Tool. Part III. Damascus steel knife making (by John Neeman Tools)
DATE: 2012/12/25::
19
Knifemaking 4 kNOOBs: Episode 8 - Making Bolsters!
Knifemaking 4 kNOOBs: Episode 8 - Making Bolsters!
DATE: 2014/11/29::
20
Knifemaking: A CHEF
Knifemaking: A CHEF's Knife
DATE: 2015/04/17::
21
Making a knife with only common tools - time-lapse
Making a knife with only common tools - time-lapse
DATE: 2013/04/21::
22
Blacksmithing Knifemaking - Dolphin Knife - Hand Forged Unique Railroad Spike Knife
Blacksmithing Knifemaking - Dolphin Knife - Hand Forged Unique Railroad Spike Knife
DATE: 2014/08/15::
23
Making a Basic Folded Knife Sheath
Making a Basic Folded Knife Sheath
DATE: 2013/12/05::
24
Making a Damascus Steel Chef
Making a Damascus Steel Chef's Knife
DATE: 2014/05/27::
25
Making a custom knife for an Infantryman
Making a custom knife for an Infantryman
DATE: 2013/05/21::
26
Custom Stag Bowie Knife - Knifemaking Antler Handles - Hidden Tang Knives
Custom Stag Bowie Knife - Knifemaking Antler Handles - Hidden Tang Knives
DATE: 2014/11/24::
27
Survival Knife Making
Survival Knife Making
DATE: 2014/08/06::
28
Knife Making Tutorial -  Handles, Sharpening and Finishing
Knife Making Tutorial - Handles, Sharpening and Finishing
DATE: 2012/10/17::
29
knife making- Making a small knife
knife making- Making a small knife
DATE: 2015/04/17::
30
Knifemaking Tuesdays Week 39 - polishing, sharpening, custom stop pins
Knifemaking Tuesdays Week 39 - polishing, sharpening, custom stop pins
DATE: 2012/08/09::
31
KnifeMaking Tutorial 1 of 2
KnifeMaking Tutorial 1 of 2
DATE: 2011/04/20::
32
Bushcraft Knife Making
Bushcraft Knife Making
DATE: 2011/10/28::
33
Knifemaking Tuesdays Week 85 - Wood inlays
Knifemaking Tuesdays Week 85 - Wood inlays
DATE: 2014/03/05::
34
Knifemaking Tuesdays Week 36 - setting detent, lockup, finishing
Knifemaking Tuesdays Week 36 - setting detent, lockup, finishing
DATE: 2012/07/19::
35
Knifemaking. How to make a neck knife by Pearce Knives.
Knifemaking. How to make a neck knife by Pearce Knives.
DATE: 2014/03/31::
36
Knifemaking Tuesdays Week 52 - Vacuum Fixture and G10 inlays
Knifemaking Tuesdays Week 52 - Vacuum Fixture and G10 inlays
DATE: 2012/12/25::
37
Knife Making Custom Hunting Bushcraft Camping Survival Knife Home Made Knives
Knife Making Custom Hunting Bushcraft Camping Survival Knife Home Made Knives
DATE: 2014/08/26::
38
Knifemaking Tuesdays Week 80 - Copper Inlay Awesomeness
Knifemaking Tuesdays Week 80 - Copper Inlay Awesomeness
DATE: 2013/12/19::
39
Trollsky knifemaking - Knife made from old railroad spike
Trollsky knifemaking - Knife made from old railroad spike
DATE: 2013/09/14::
40
Knifemaking Tips for Beginners: Common Mistakes
Knifemaking Tips for Beginners: Common Mistakes
DATE: 2013/08/25::
41
Knife Making Tutorial- The American Wakizashi
Knife Making Tutorial- The American Wakizashi
DATE: 2012/06/10::
42
Knifemaking Tuesdays Week 69   Wicked Edge and fixing handles
Knifemaking Tuesdays Week 69 Wicked Edge and fixing handles
DATE: 2013/06/29::
43
Trollsky Knifemaking - Making a santoku knife
Trollsky Knifemaking - Making a santoku knife
DATE: 2015/03/13::
44
Knife making - Making a survival type of knife
Knife making - Making a survival type of knife
DATE: 2015/02/09::
45
Knifemaking Tuesdays Week 45 - Tor handles and blades
Knifemaking Tuesdays Week 45 - Tor handles and blades
DATE: 2012/10/25::
46
Custom Knife Making hand sanding with Nick Wheeler
Custom Knife Making hand sanding with Nick Wheeler
DATE: 2014/06/17::
47
Angle Grinder Jig for knife making
Angle Grinder Jig for knife making
DATE: 2014/08/13::
48
Knifemaking - Robimy rękojeść noża true full tang
Knifemaking - Robimy rękojeść noża true full tang
DATE: 2014/06/21::
49
Knife making - Scandi knife from Finland
Knife making - Scandi knife from Finland
DATE: 2014/03/27::
50
knifemaking - making a knife from old file
knifemaking - making a knife from old file
DATE: 2011/08/28::
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RESULTS [51 .. 101]
From Wikipedia, the free encyclopedia
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Jere Davidson engraving a knife

Knife making is the process of manufacturing a knife by any one or a combination of processes: stock removal, forging to shape, welded lamination or investment cast.[1] Typical metals used come from the carbon steel, tool, or stainless steel families. Primitive knives have been made from bronze, copper, brass, iron, obsidian, and flint.[1]

Materials for blades[edit]

Main article: Blade steel

Different steels are suited to different applications. There is a trade off between hardness, toughness, edge retention, corrosion resistance, and achievable sharpness. Some examples of blade material and their relative trade offs:

  • The newest powder metallurgy steels can be made very hard, but can quickly wear out abrasives and tooling.
  • A blade made from low carbon or mild steel would be inexpensive to produce and of poor quality. A low carbon blade would be very hard to break, but would bend easily and be too soft to hold an edge. High carbon (or high alloy, in some listings) can take a much higher hardness but must be tempered carefully after heat treatment to avoid brittleness.

Unusual non-metallic materials may also be used; manufacturing techniques are quite different from metal:

  • The natural volcanic glass obsidian can achieve a nearly molecular edge (high achievable sharpness) and only requires stone age technology to work,[2] but is so brittle that it cannot maintain that sharpness for very long. Also the entire blade is very easy to break by accident. Obsidian is used to make extremely sharp surgical scalpels.[3]
  • Ceramic knives hold their edge for a long time, but are brittle.

Blade making process[edit]

Initial forging[edit]

The initial shaping of a knife is done through forging or blanking.

When forging, the blade material is heated to a high temperature or forging temperature in a forge and shaped with a hammer on an anvil to achieve the desired shape, often to near final dimension, where very little stock removal, if any, is required to finish. Steel can be folded either to form decorative pattern welded steel or to refine raw steel, or as the Japanese call it, tamahagane. Grain size is kept at a minimum as grain growth can happen quite easily if the blade material is overheated.[4]

In a mass production environment, or in a well equipped private shop, the blanking process is used to make "blade blanks." This can be achieved by a number of different methods, depending upon the thickness of the material and the alloy content of steel to be cut. Thinner cross section, lower alloy blanks can be stamped from sheet material. Materials that are more difficult to work with, or jobs that require higher production volume, can be accomplished with water jet cutters, lasers or electron beam cutting. These two lend themselves towards larger custom shops. Some custom knife makers cut their blanks from steel using a metal-cutting bandsaw.

Knife makers will sometimes contract out to a shop with the above capabilities to do blanking. For lower production makers, or lower budgets, other methods must suffice. Knife makers may use many different methods to profile a blank. These can include hacksaws, files, belt grinders, wheel grinders, oxy-acetylene torches, CNC mills, or any number of other methods depending on budget.

Grinding[edit]

Main article: Grind
Edmund Davidson grinds a blade

If no power equipment is available, this can be done with files if the piece of steel has not yet been hardened. Grinding wheels, or small belt sanders are usually what a beginner uses. Well equipped makers usually use a large industrial belt grinder, or a belt grinder made specifically for knife making. Pre-polish grinding on a heat treated blade can be done if the blade is kept cool, to preserve the temper of the steel. Some knife makers will use a coolant mist on the grinder to achieve this.

Heat treatment[edit]

Main article: Heat treatment

Methods of heat treatment: atmosphere furnace, molten salt, vacuum furnace, coal (coke) forge, oxy/acetylene torch. Quenching after heat treatment differs according to type of metal and personal preferences. Quenching can be done with oil, animal tallow, water, air, or brine.

Blade finishes[edit]

The finish quality of the blade is determined by the Grit of the finishing grind. These can range from a low-shine 150-250 grit finish to a mirror-shine. The high polish shine can be accomplished by buffing with chrome oxide (ex. white chrome, green chrome), hand rubbing with extremely fine wet-or-dry abrasive paper, or with a Japanese water-stone, which has an approximate grit of 10,000-12,000. Most high quality manufactured knives have about an 8000 grit finish.[citation needed]

Handle making process[edit]

References[edit]

  1. ^ a b Barney, Richard W.; Loveless, Robert W. (March 1995) [1977]. How to Make Knives. Knife World Publications. ISBN 0-695-80913-X. 
  2. ^ Hodgson, Susan Fox (2007). "Obsidian: sacred glass from the California sky". Myth and Geology. Geological Society of London. p. 308. 
  3. ^ Buck, BA (March 1982). "Ancient technology in contemporary surgery". The Western journal of medicine 136 (3): 265–269. ISSN 0093-0415. OCLC 115633208. PMC 1273673. PMID 7046256. 
  4. ^ Goddard, Wayne (2000). The Wonder of Knifemaking. Krause. pp. 107–120. ISBN 978-0-87341-798-3. 
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