Milling Machine - Revision history

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			=====Description=====

	A [http://en.wikipedia.org/wiki/Milling_%28machining%29 '''milling machine'''] is a machine tool used for the shaping of metal and other solid materials. Milling machines exist in two basic forms: [http://en.wikipedia.org/wiki/Milling_%28machining%29#Horizontal_mill '''Horizontal Milling Machines'''] and [http://en.wikipedia.org/wiki/Milling_%28machining%29#Vertical_mill '''Vertical Milling Machines'''].		A [http://en.wikipedia.org/wiki/Milling_%28machining%29 '''milling machine'''] is a machine tool used for the shaping of metal and other solid materials. Milling machines exist in two basic forms: [http://en.wikipedia.org/wiki/Milling_%28machining%29#Horizontal_mill '''Horizontal Milling Machines'''] and [http://en.wikipedia.org/wiki/Milling_%28machining%29#Vertical_mill '''Vertical Milling Machines'''].


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

	The direction which the workpiece is fed into the milling cutter determines whether it is a [http://en.wikipedia.org/wiki/Milling_cutter#Conventional_milling_versus_climb_milling '''''‘conventional milling’'''''] operation or [http://en.wikipedia.org/wiki/Milling_cutter#Conventional_milling_versus_climb_milling '''''‘climb milling’''''']. In conventional milling the work is fed in a direction opposite to the tool rotation. The tool starts to cut at the bottom of a revolution and is pushing against the feed. In climb milling the tool starts to cut at the top of each revolution and tends to pull the work through the machine.		The direction which the workpiece is fed into the milling cutter determines whether it is a [http://en.wikipedia.org/wiki/Milling_cutter#Conventional_milling_versus_climb_milling '''''‘conventional milling’'''''] operation or [http://en.wikipedia.org/wiki/Milling_cutter#Conventional_milling_versus_climb_milling '''''‘climb milling’''''']. In conventional milling the work is fed in a direction opposite to the tool rotation. The tool starts to cut at the bottom of a revolution and is pushing against the feed. In climb milling the tool starts to cut at the top of each revolution and tends to pull the work through the machine.
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			{{Milling Machine Buyers Guide}}

DT Online at 11:05, 5 August 2016

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	\| [http://en.wikipedia.org/wiki/Milling_cutter#Slab_mill '''Slab Milling''']		\| [http://en.wikipedia.org/wiki/Milling_cutter#Slab_mill '''Slab Milling''']
	\| Also known as Plain Milling, these cutters are designed to remove large amounts of material either for a very wide slot or just to level a surface. They are available in a range of diameters and widths.		\| Also known as Plain Milling, these cutters are designed to remove large amounts of material either for a very wide slot or just to level a surface. They are available in a range of diameters and widths.
	\| [[File:SlabMilling.jpg\|100px]]		\| [[File:SlabMilling.jpg\|100px\|right]]
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	\| [http://en.wikipedia.org/wiki/Milling_cutter#Side-and-face_cutter '''Side and Face Cutter''']		\| [http://en.wikipedia.org/wiki/Milling_cutter#Side-and-face_cutter '''Side and Face Cutter''']

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	<span style="color: red">'''Safety Point!'''		<span style="color: red">'''Safety Point!'''
	Climb milling requires less power and produces a better finish but can lead to serious damage if there is too much [http://en.wikipedia.org/wiki/Backlash_%28engineering%29 '''''‘backlash’''''']. For this reason climb milling should only be done on manual machines fitted wth ''backlash eliminators'' or CNC machines which, by their nature, should be free of any backlash.		Climb milling requires less power and produces a better finish but can lead to serious damage if there is too much [http://en.wikipedia.org/wiki/Backlash_%28engineering%29 '''''‘backlash’''''']. For this reason climb milling should only be done on manual machines fitted wth ''backlash eliminators'' or '''[[CNC]]''' machines which, by their nature, should be free of any backlash.
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	With the advent of ~~[http://en.wikipedia.org/wiki/Numerical_control~~ '''~~computer numerical control~~ (CNC)'''], milling machines have evolved into '''‘machining centres’''' (milling machines with automatic tool changers, tool magazines or carousels, CNC control, coolant systems, and enclosures), and are generally classified as '''vertical machining centres (VMCs)''' and '''horizontal machining centres (HMCs)'''. '''VMC's''' are now the most commonly used in schools.		With the advent of '''[[CNC\|Computer Numerical Control (CNC)]]''', milling machines have evolved into '''‘machining centres’''' (milling machines with automatic tool changers, tool magazines or carousels, '''[[CNC]]''' control, coolant systems, and enclosures), and are generally classified as '''vertical machining centres (VMCs)''' and '''horizontal machining centres (HMCs)'''. '''VMC's''' are now the most commonly used in schools.

	[http://en.wikipedia.org/wiki/Milling_cutter '''Milling Cutters'''] are available in a wide variety of shapes and range of sizes as shown below. Several can be grouped together along the [http://en.wikipedia.org/wiki/Mandrel '''''‘arbor’'''''] of a horizontal milling machine to accomplish a [http://en.wikipedia.org/wiki/Milling_%28machining%29#Gang_milling '''''‘Gang Milling’'''''] operation in which a whole profile may be machined in a single pass.		[http://en.wikipedia.org/wiki/Milling_cutter '''Milling Cutters'''] are available in a wide variety of shapes and range of sizes as shown below. Several can be grouped together along the [http://en.wikipedia.org/wiki/Mandrel '''''‘arbor’'''''] of a horizontal milling machine to accomplish a [http://en.wikipedia.org/wiki/Milling_%28machining%29#Gang_milling '''''‘Gang Milling’'''''] operation in which a whole profile may be machined in a single pass.

DT Online at 09:42, 3 June 2015

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	{{Secondary Tools and Equipment}}		[[Category:Secondary]]
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	[[File:MillingMachines.jpg\|300px\|right]]		[[File:MillingMachines.jpg\|300px\|right]]
	~~[[File:MillingMachineParts.jpg\|300px\|right]]~~
	A [http://en.wikipedia.org/wiki/Milling_%28machining%29 '''milling machine'''] is a machine tool used for the shaping of metal and other solid materials. Milling machines exist in two basic forms: [http://en.wikipedia.org/wiki/Milling_%28machining%29#Horizontal_mill '''Horizontal Milling Machines'''] and [http://en.wikipedia.org/wiki/Milling_%28machining%29#Vertical_mill '''Vertical Milling Machines'''].		A [http://en.wikipedia.org/wiki/Milling_%28machining%29 '''milling machine'''] is a machine tool used for the shaping of metal and other solid materials. Milling machines exist in two basic forms: [http://en.wikipedia.org/wiki/Milling_%28machining%29#Horizontal_mill '''Horizontal Milling Machines'''] and [http://en.wikipedia.org/wiki/Milling_%28machining%29#Vertical_mill '''Vertical Milling Machines'''].

	The direction which the workpiece is fed into the milling cutter determines whether it is a [http://en.wikipedia.org/wiki/Milling_cutter#Conventional_milling_versus_climb_milling '''''‘conventional milling’'''''] operation or [http://en.wikipedia.org/wiki/Milling_cutter#Conventional_milling_versus_climb_milling '''''‘climb milling’''''']. In conventional milling the work is fed in a direction opposite to the tool rotation. The tool starts to cut at the bottom of a revolution and is pushing against the feed. In climb milling the tool starts to cut at the top of each revolution and tends to pull the work through the machine.		The direction which the workpiece is fed into the milling cutter determines whether it is a [http://en.wikipedia.org/wiki/Milling_cutter#Conventional_milling_versus_climb_milling '''''‘conventional milling’'''''] operation or [http://en.wikipedia.org/wiki/Milling_cutter#Conventional_milling_versus_climb_milling '''''‘climb milling’''''']. In conventional milling the work is fed in a direction opposite to the tool rotation. The tool starts to cut at the bottom of a revolution and is pushing against the feed. In climb milling the tool starts to cut at the top of each revolution and tends to pull the work through the machine.

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	<span style="color: red">'''Safety Point!'''		<span style="color: red">'''Safety Point!'''
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	With the advent of [http://en.wikipedia.org/wiki/Numerical_control '''computer numerical control (CNC)'''], milling machines have evolved into '''‘machining centres’''' (milling machines with automatic tool changers, tool magazines or carousels, CNC control, coolant systems, and enclosures), and are generally classified as '''vertical machining centres (VMCs)''' and '''horizontal machining centres (HMCs)'''. '''VMC's''' are now the most commonly used in schools.		With the advent of [http://en.wikipedia.org/wiki/Numerical_control '''computer numerical control (CNC)'''], milling machines have evolved into '''‘machining centres’''' (milling machines with automatic tool changers, tool magazines or carousels, CNC control, coolant systems, and enclosures), and are generally classified as '''vertical machining centres (VMCs)''' and '''horizontal machining centres (HMCs)'''. '''VMC's''' are now the most commonly used in schools.

	[http://en.wikipedia.org/wiki/Milling_cutter '''Milling Cutters'''] are available in a wide variety of shapes and range of sizes as shown below. Several can be grouped together along the [http://en.wikipedia.org/wiki/Mandrel '''''‘arbor’'''''] of a horizontal milling machine to accomplish a [http://en.wikipedia.org/wiki/Milling_%28machining%29#Gang_milling '''''‘Gang Milling’'''''] operation in which a whole profile may be machined in a single pass.		[http://en.wikipedia.org/wiki/Milling_cutter '''Milling Cutters'''] are available in a wide variety of shapes and range of sizes as shown below. Several can be grouped together along the [http://en.wikipedia.org/wiki/Mandrel '''''‘arbor’'''''] of a horizontal milling machine to accomplish a [http://en.wikipedia.org/wiki/Milling_%28machining%29#Gang_milling '''''‘Gang Milling’'''''] operation in which a whole profile may be machined in a single pass.
	[[File:MillingCutters.jpg\|800px~~\|center\|bottom\|Milling Cutters~~]]

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			{{Secondary Tools and Equipment}}

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	The two parts of a Dovetail Slide are made oversize and packing slips, known as ''Gib Slips'' used to produce an accurate sliding fit by adjusting them using a line of lockable screws along the length of the slide.		The two parts of a Dovetail Slide are made oversize and packing slips, known as ''Gib Slips'' used to produce an accurate sliding fit by adjusting them using a line of lockable screws along the length of the slide.
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