Bowsaw: Difference between revisions
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[[File: | [[File:Bowsaw.jpg|300px|right]] | ||
[http://en.wikipedia.org/wiki/Bow_saw '''Bowsaws'''] are a type of '''[[framesaw]]'''. | [http://en.wikipedia.org/wiki/Bow_saw '''Bowsaws'''] are a type of '''[[framesaw]]'''. | ||
Traditional Bowsaws consist of a wooden frame and were used for cutting curved shapes in thicker materials than for a '''[[Coping Saw|Coping saw]]''' and '''[[Fretsaw]]''' but their use in D&T workshops has been much replaced by a '''[[Bandsaw]]''' or '''[[Jigsaw]]'''. | Traditional Bowsaws consist of a wooden frame and were used for cutting curved shapes in thicker materials than for a '''[[Coping Saw|Coping saw]]''' and '''[[Fretsaw]]''' but their use in D&T workshops has been much replaced by a '''[[Bandsaw]]''' or '''[[Jigsaw]]'''. | ||
Typically, blades are about 250 to 300mm long and from 10 to 24 teeth per inch ''[[Teeth per Inch|(TPI)]]''. The blade is kept in tension by twisting a loop of cord by means of a length of wood passing through it to create a [http://en.wikipedia.org/wiki/Tourniquet#History ''‘tourniquet’''] or [http://en.wikipedia.org/wiki/Turnbuckle ''‘turnbuckle’''] type action. | Typically, blades are about 250 to 300mm long and from 10 to 24 teeth per inch ''[[Teeth per Inch|(TPI)]]''. The blade is kept in tension by twisting a loop of cord by means of a length of wood passing through it to create a [http://en.wikipedia.org/wiki/Tourniquet#History ''‘tourniquet’''] or [http://en.wikipedia.org/wiki/Turnbuckle ''‘turnbuckle’''] type action. | ||
They are normally used as shown with both hands gripping one of the handles - two handles are provided to allow the blade to be turned and cut in different directions. | They are normally used as shown with both hands gripping one of the handles - two handles are provided to allow the blade to be turned and cut in different directions. | ||
Modern Bowsaws have a metal tube frame with very coarse blades about 600mm long. [[File:LogSaw.jpg|300px|right]]They are used mainly for rough cutting of logs and shrubbery with few applications within a D&T workshop. | |||
Revision as of 20:22, 25 November 2014
Bowsaws are a type of framesaw.
Traditional Bowsaws consist of a wooden frame and were used for cutting curved shapes in thicker materials than for a Coping saw and Fretsaw but their use in D&T workshops has been much replaced by a Bandsaw or Jigsaw.
Typically, blades are about 250 to 300mm long and from 10 to 24 teeth per inch (TPI). The blade is kept in tension by twisting a loop of cord by means of a length of wood passing through it to create a ‘tourniquet’ or ‘turnbuckle’ type action.
They are normally used as shown with both hands gripping one of the handles - two handles are provided to allow the blade to be turned and cut in different directions.
Modern Bowsaws have a metal tube frame with very coarse blades about 600mm long.
They are used mainly for rough cutting of logs and shrubbery with few applications within a D&T workshop.