Jigs and Fixtures - Revision history

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2017-12-27T17:37:06Z

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	\| Cutting neat circles with a '''[[Router]]''' is most easily accomplished with a '''[[Jig]]'''. Most of these, in essence, transform the '''[[Router]]''' into a '''[[Dividers and Compasses\|Beam Compass]]''' by attaching it to bars or a plate rotating round a fixed point at a centre		\| Cutting neat circles with a '''[[Router]]''' is most easily accomplished with a '''[[Jig]]'''. Most of these, in essence, transform the '''[[Router]]''' into a '''[[Dividers and Compasses\|Beam Compass]]''' by attaching it to bars or a plate rotating round a fixed point at a centre
	\| [[File:81heqjW8iXL. SL1500 .png\|200px\|right]]		\| [[File:81heqjW8iXL. SL1500 .png\|200px\|right]]
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			\| '''<dtamazon type="search">PCB Holder Jig</dtamazon>'''
			\| It is useful to have an 'extra pair of hands' when '''[[Soft Soldering]]''' components into place on a Printed Circuit Board (PCB) for example. Various clamps, special purpose vices and holders are available for this purpose.
			\| [[File:PCBHolderJig.png\|200px\|right]]
			\|-
			\| '''<dtamazon type="search">Honing Guide</dtamazon>'''
			\| Sharp edge tools such as plane irons or wood chisels are usually [https://en.wikipedia.org/wiki/Grinding_%28abrasive_cutting%29 ground] to an angle of 20° to 25° using a '''[[Tool Grinder]]''' then [https://en.wikipedia.org/wiki/Honing_%28metalworking%29 ‘honed’] at an angle of 25° to 30° ''(i.e. 5° greater than the grinding angle)'' on a [https://en.wikipedia.org/wiki/Sharpening_stone sharpening stone] such as an [https://en.wikipedia.org/wiki/Sharpening_stone#Whetstones_and_oilstones '''Oilstone''']. Clamps and guides are available to hold the blade at the correct angle whilst using the [https://en.wikipedia.org/wiki/Sharpening_stone#Whetstones_and_oilstones '''Oilstone''']
			\| [[File:HoningGuide.png\|200px\|right]]
	\|}		\|}

DT Online at 10:38, 27 December 2017

2017-12-27T10:38:33Z

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	[[Category:Secondary]]		[[Category:Secondary]]
	[[Category:~~Marking~~ and ~~Measuring~~ Tools]]		[[Category:Holding and Clamping Tools]]

DT Online at 14:22, 25 December 2017

2017-12-25T14:22:15Z

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	[[Category:Secondary]]		[[Category:Secondary]]
	[[Category:Marking and Measuring Tools]]]]		[[Category:Marking and Measuring Tools]]

DT Online: Created Article

2017-12-25T14:21:43Z

Created Article

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Jigs and Fixtures
__TOC__

=====Description=====

[https://en.wikipedia.org/wiki/Jig_(tool) '''Jigs'''] are taken to be specially made, often self-made, pieces of equipment often used to guide another tool or simplify an operation. This might include '''Marking Out''' operations and so there is some overlap with '''Template'''.

[https://en.wikipedia.org/wiki/Fixture_(tool) '''Fixtures'''] are similar but tend to be associated with devices for holding work whilst a machining operation is carried out.

=====Types and Applications=====

{|
|-
| '''<dtamazon type="search">Dowelling Jig</dtamazon>'''
| Various devices have been developed to simplifying the making of '''[[Dowel Joint|Dowel Joints]]'''. A '''<dtamazon type="search">Dowelling Jig</dtamazon>''' clamps to the edge of the timber to be joined and adjustable drill guides are set into position. The dowel holes can then be drilled with little or no marking out required and the guides help to ensure the drill is kept perpendicular to the joining faces.
| [[File:DowellingJigs.png|200px|right|Using a Dovetail Template]]
|-
| '''<dtamazon type="search">Pocket Screw Jig</dtamazon>'''
| '''[[Screw Pocket|Screw Pockets]]''' are holes drilled at an angle to the work surface to '''[[Counterboring|Counterbore]]''' the screw head. They can be used where it is not possible to screw directly through one part of the joint to the other ''(e.g. need to conceal screw heads or lack of access)''. Various '''[[Jig|Drilling Jigs]]''' are commercially available to ease the drilling of the holes to the required shallow angle ''(usually 15°)''.
| [[File:51I6q9E6PlL. SL1000 .png|200px|right]]
|-
| '''<dtamazon type="search">Router Jig for Cutting Circles</dtamazon>'''
| Cutting neat circles with a '''[[Router]]''' is most easily accomplished with a '''[[Jig]]'''. Most of these, in essence, transform the '''[[Router]]''' into a '''[[Dividers and Compasses|Beam Compass]]''' by attaching it to bars or a plate rotating round a fixed point at a centre
| [[File:81heqjW8iXL. SL1500 .png|200px|right]]
|}

{{Jigs Buyers Guide}}

[[Category:Secondary]]
[[Category:Marking and Measuring Tools]]]]