Hand Drill - Revision history

DT Online: Added Amazon Link

2017-11-12T10:01:44Z

Added Amazon Link

← Older revision		Revision as of 10:01, 12 November 2017
Line 1:		Line 1:
	~~[[File:~~HandDrills.png\|300px~~\|right]]~~		<div class="floatright"><dtamazon type="search" search="Hand Drill"><img alt="HandDrills.png" src="/images/thumb/a/a4/HandDrills.png/300px-HandDrills.png" width="300" height="246" srcset="/images/thumb/a/a4/HandDrills.png/450px-HandDrills.png 1.5x, /images/thumb/a/a4/HandDrills.png/600px-HandDrills.png 2x" /></a></dtamazon></div>
	__TOC__		__TOC__

DT Online at 09:38, 6 February 2017

2017-02-06T09:38:21Z

← Older revision		Revision as of 09:38, 6 February 2017
Line 14:		Line 14:

	[[File:HanddrillStand.png\|200px\|right]]		[[File:HanddrillStand.png\|200px\|right]]
	Most have a [https://en.wikipedia.org/wiki/Chuck_%28engineering%29 '''Keyed Chuck'''] which accept [https://en.wikipedia.org/wiki/Drill_bit_shank#Straight_shank '''Parallel Shank'''] drills with a capacity of up to 6mm diameter. The handle turns a large '''[[:Category:Gears\|Bevel Gear]]''' which meshes with one or two smaller '''[[:Category:Gears\|Pinions]]'''. The '''[[Gear Ratio]]''' provides the ~~neccessary~~ '''[[Mechanical Advantage]]'''.		Most have a [https://en.wikipedia.org/wiki/Chuck_%28engineering%29 '''Keyed Chuck'''] which accept [https://en.wikipedia.org/wiki/Drill_bit_shank#Straight_shank '''Parallel Shank'''] drills with a capacity of up to 6mm diameter. The handle turns a large '''[[:Category:Gears\|Bevel Gear]]''' which meshes with one or two smaller '''[[:Category:Gears\|Pinions]]'''. The '''[[Gear Ratio]]''' provides the necessary '''[[Mechanical Advantage]]'''.

DT Online at 18:22, 20 August 2016

2016-08-20T18:22:14Z

← Older revision		Revision as of 18:22, 20 August 2016
Line 1:		Line 1:
	[[File:HandDrills.png\|300px\|right]]		[[File:HandDrills.png\|300px\|right]]
			__TOC__


			=====Description=====

	[https://en.wikipedia.org/wiki/Drill#Hand_drills '''Hand Drills'''] ''(aka '''Wheel Brace''')'' are a useful addition to a toolbox and can complement '''[[Portable Electric Drills\|Electric Drills]]''' when there is a need to:		[https://en.wikipedia.org/wiki/Drill#Hand_drills '''Hand Drills'''] ''(aka '''Wheel Brace''')'' are a useful addition to a toolbox and can complement '''[[Portable Electric Drills\|Electric Drills]]''' when there is a need to:
	* drill just a few small holes		* drill just a few small holes
	* drill ''pilot'' holes		* drill ''pilot'' holes
	* countersink holes		* countersink holes


			=====Features and Applications=====

	[[File:HanddrillStand.png\|200px\|right]]		[[File:HanddrillStand.png\|200px\|right]]
Line 14:		Line 22:
	Young children may have difficulty drilling holes which are truly '''[[Squareness\|Square]]''' to the surface ''(e.g. of a disc to make a wheel)''. A simple '''[[Jig]]''' can be made which supports a Hand Drill within a sliding frame to assist. In use, one child operates the drill and another holds the work-piece to be drilled . . . . but . . .		Young children may have difficulty drilling holes which are truly '''[[Squareness\|Square]]''' to the surface ''(e.g. of a disc to make a wheel)''. A simple '''[[Jig]]''' can be made which supports a Hand Drill within a sliding frame to assist. In use, one child operates the drill and another holds the work-piece to be drilled . . . . but . . .

			----
	<span style="color: blue">'''Activity:'''		<span style="color: blue">'''Activity:'''
	Consider how to design and make a simple '''[[Jig]]''' to hold the work whilst drilling discs to make wheels - ideally one which 'self-centres' the discs.		Consider how to design and make a simple '''[[Jig]]''' to hold the work whilst drilling discs to make wheels - ideally one which 'self-centres' the discs.

DT Online: Added Template

2016-05-15T15:55:27Z

Added Template

← Older revision		Revision as of 15:55, 15 May 2016
Line 20:		Line 20:
	----		----

			{{Hand Drill Buyers Guide}}

	[[Category:Drilling and Boring]]		[[Category:Drilling and Boring]]

DT Online: Added Hand Drill Jig

2016-03-19T14:01:38Z

Added Hand Drill Jig

← Older revision		Revision as of 14:01, 19 March 2016
Line 5:		Line 5:
	* countersink holes		* countersink holes

			[[File:HanddrillStand.png\|200px\|right]]
	Most have a [https://en.wikipedia.org/wiki/Chuck_%28engineering%29 '''Keyed Chuck'''] which accept [https://en.wikipedia.org/wiki/Drill_bit_shank#Straight_shank '''Parallel Shank'''] drills with a capacity of up to 6mm diameter. The handle turns a large '''[[:Category:Gears\|Bevel Gear]]''' which meshes with one or two smaller '''[[:Category:Gears\|Pinions]]'''. The '''[[Gear Ratio]]''' provides the neccessary '''[[Mechanical Advantage]]'''.		Most have a [https://en.wikipedia.org/wiki/Chuck_%28engineering%29 '''Keyed Chuck'''] which accept [https://en.wikipedia.org/wiki/Drill_bit_shank#Straight_shank '''Parallel Shank'''] drills with a capacity of up to 6mm diameter. The handle turns a large '''[[:Category:Gears\|Bevel Gear]]''' which meshes with one or two smaller '''[[:Category:Gears\|Pinions]]'''. The '''[[Gear Ratio]]''' provides the neccessary '''[[Mechanical Advantage]]'''.


	The better quality drills always have two '''[[:Category:Gears\|Pinions]]''' and the '''[[:Category:Gears\|Gears]]''' are fully enclosed to avoid the danger of trapped fingers!		The better quality drills always have two '''[[:Category:Gears\|Pinions]]''' and the '''[[:Category:Gears\|Gears]]''' are fully enclosed to avoid the danger of trapped fingers!


			Young children may have difficulty drilling holes which are truly '''[[Squareness\|Square]]''' to the surface ''(e.g. of a disc to make a wheel)''. A simple '''[[Jig]]''' can be made which supports a Hand Drill within a sliding frame to assist. In use, one child operates the drill and another holds the work-piece to be drilled . . . . but . . .


			<span style="color: blue">'''Activity:'''
			Consider how to design and make a simple '''[[Jig]]''' to hold the work whilst drilling discs to make wheels - ideally one which 'self-centres' the discs.
			</span>
			----


	[[Category:Drilling and Boring]]		[[Category:Drilling and Boring]]

DT Online: Added link

2015-10-28T08:09:25Z

Added link

← Older revision		Revision as of 08:09, 28 October 2015
Line 6:		Line 6:


	Most have a [https://en.wikipedia.org/wiki/Chuck_%28engineering%29 '''Keyed Chuck'''] with a capacity of up to 6mm diameter. The handle turns a large '''[[:Category:Gears\|Bevel Gear]]''' which meshes with one or two smaller '''[[:Category:Gears\|Pinions]]'''. The '''[[Gear Ratio]]''' provides the neccessary '''[[Mechanical Advantage]]'''.		Most have a [https://en.wikipedia.org/wiki/Chuck_%28engineering%29 '''Keyed Chuck'''] which accept [https://en.wikipedia.org/wiki/Drill_bit_shank#Straight_shank '''Parallel Shank'''] drills with a capacity of up to 6mm diameter. The handle turns a large '''[[:Category:Gears\|Bevel Gear]]''' which meshes with one or two smaller '''[[:Category:Gears\|Pinions]]'''. The '''[[Gear Ratio]]''' provides the neccessary '''[[Mechanical Advantage]]'''.

DT Online: Created Article

2015-10-28T08:05:13Z

Created Article

New page

[[File:HandDrills.png|300px|right]]
[https://en.wikipedia.org/wiki/Drill#Hand_drills '''Hand Drills'''] ''(aka '''Wheel Brace''')'' are a useful addition to a toolbox and can complement '''[[Portable Electric Drills|Electric Drills]]''' when there is a need to:
* drill just a few small holes
* drill ''pilot'' holes
* countersink holes

Most have a [https://en.wikipedia.org/wiki/Chuck_%28engineering%29 '''Keyed Chuck'''] with a capacity of up to 6mm diameter. The handle turns a large '''[[:Category:Gears|Bevel Gear]]''' which meshes with one or two smaller '''[[:Category:Gears|Pinions]]'''. The '''[[Gear Ratio]]''' provides the neccessary '''[[Mechanical Advantage]]'''.

The better quality drills always have two '''[[:Category:Gears|Pinions]]''' and the '''[[:Category:Gears|Gears]]''' are fully enclosed to avoid the danger of trapped fingers!

[[Category:Drilling and Boring]]