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Adding local short description: "Framing system made of extruded aluminum", overriding Wikidata description "framing system made of extruded aluminum"
 
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{{Short description|Framing system made of extruded aluminum}}
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[[Image:8020-Fractional-Profiles-1.png|right|thumb|Example of 80/20 T-slotted profiles, 10 and 15 series]]
{{Unreferenced|date=April 2009}}
{{more citations needed |date= April 2022}}
[[Image:Extruded_aluminium_section_x3.jpg|right|thumb|Examples of T-slotted profiles]]
[[File:T-SLOT 1964.png|thumb|1964 patent demonstrating early use of extruded T-slot members.]]
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[[Image:8020-Fractional-Profiles-1.svg|right|thumb|Cross-section of 80/20 T-slotted profiles, 10 and 15 series]]
[[File:Bicycle-trailer-for-outdoor-trekking.jpg|thumb|right|A [[bicycle trailer]] for bike-trekking with three [[Euro container|Euroboxes]] and aluminium profile framing]]


'''T-slot structural framing''' is a framing system consisting of lengths of square or rectangular [[extrusion|extruded]] aluminium, typically [[6105 aluminium alloy|6105-T5 aluminium alloy]], with a T-slot down the centerline of one or more sides.
'''80/20''' is a framing system build around proprietary 6105-T5 <ref>http://www.8020.net/T-Slot-6.asp</ref> aluminium [[extrusion]]s. 6105-T5 was chosen because it has a [[yield strength]] equivalent to [[A36 steel]].{{Fact|date=May 2008}} The integral T-slots create the foundation for the profile's assembly technology. Accessories are also available, which are specific to each framing system. Many of these accessories are made in-house, while most of the specialty products, such as panels and casters, are made by third party companies.{{Fact|date=May 2008}}


It is also known under several generic names, such as aluminium extrusion, aluminium profile and 2020 extrusion if the [[Cross section (geometry)|cross-section]] is 20x20 mm, alongside brand names, such as 80/20 framing.<ref>{{Cite web |title=Find out About Our Mission and Vision Here at 80/20 |url=https://8020.net/what-is-8020 |archive-url=https://web.archive.org/web/20220306045704/https://8020.net/what-is-8020 |archive-date=2022-03-06 |access-date=2022-05-15 |website=8020.net}}</ref>
==Profiles==
Both metric and inch (fractional) profiles are available.


While the precise history of the T-slot framing system is not known, advancement in extrusion press technology in the early 1950s allowed for economic production of aluminium profiles,<ref>{{cite book |last1=Bauser |first1=M |last2=Sauer |first2=G |last3=Siegert |first3=K |title=Extrusion |date=2006 |publisher=ASM International |location=Materials Park, Ohio |isbn=978-0-87170-837-3 |pages=6 |edition=2}}</ref> and examples of use can be found from the early 1960s.<ref>{{cite patent |country=US |number=US3143981A |inventor=Leslie E Tassell |status=patent |title=Demountable partition |pubdate=1964-08-11 |gdate=1964-08-11 |fdate=1962-03-23 |pridate=1962-03-23 |assign1=Tassell Hardware Co |url=https://patents.google.com/patent/US3143981A/en?oq=US3143981}}</ref>
Fractional profiles:
*'''10 series''' - 1" (0.5" from the edge of the profile to the centerline of the T-slot)
*'''15 series''' - 1.5" (0.75" from the edge of the profile to the centerline of the T-slot)


Although no published standard defines the system, it is produced in a series of conventional sizes which allows for compatibility between manufacturers.
Metric profiles:
*'''20 series''' - 20 mm (10 mm from the edge of the profile to the centerline of the T-slot)
*'''25 series''' - 25 mm (12.5 mm from the edge of the profile to the centerline of the T-slot)
*'''30 series''' - 30 mm (15 mm from the edge of the profile to the centerline of the T-slot)
*'''40 series''' - 40 mm (20 mm from the edge of the profile to the centerline of the T-slot)
*'''45 Series''' - 45 mm (22.5 mm from the edge of the profile to the centerline of the T-slot)


There is a variation on T-slot profiles known as '''V-slot rails''' where V-slot wheels are slotted into the V-shaped channels of the framing for [[Linear stage|linear motion]] in a [[3D printer]] or other [[CNC machine]].
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==See also==
*[[80/20 (company)]]


==References==
==Profiles==
T-slot framing is divided into metric and fractional (imperial) categories. The T-slot is always centered along the long-axis of the piece. Pieces are available in each series with a square cross-section. Rectangular cross sections are also available which measure ''x'' by ''2x'' (where ''x'' is the defined width) - e.g. 40mm by 80mm for 40 series.
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{{Reflist}}


{|class="wikitable"
==External links==
!Profile<BR>type
* [http://www.8020.net 80/20 Inc. home page]
!Profile<BR>name
!Profile<BR>size
|-
|rowspan=2|fractional
|10 series
|1"
|-
|15 series
|1.5"
|-
|rowspan=5|metric
|20 series
|20&nbsp;mm
|-
|25 series
|25&nbsp;mm
|-
|30 series
|30&nbsp;mm
|-
|40 series
|40&nbsp;mm
|-
|45 series
|45&nbsp;mm
|}


<gallery>
File:CAD model of a T-Nut 1.png|CAD model of a rotating [[T-slot nut]] used with aluminium T-slots/ T-track/ extrusions
File:CAD model of a T-Nut 2.png
File:CAD model of a T-Nut 3.png
File:T-Nut - Installed in a T-Slot.png|T-nut (red) installed in a T-slot
</gallery>


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== See also ==
*[[T-slot nut]]
*[[Strut channel]]


==References==
⚫
{{Reflist}}
[[Category:Structural system]]
[[Category:Structural system]]
{{DEFAULTSORT:80/20 (Framing System)}}

Latest revision as of 11:58, 6 July 2024

Examples of T-slotted profiles
1964 patent demonstrating early use of extruded T-slot members.
Cross-section of 80/20 T-slotted profiles, 10 and 15 series
A bicycle trailer for bike-trekking with three Euroboxes and aluminium profile framing

T-slot structural framing is a framing system consisting of lengths of square or rectangular extruded aluminium, typically 6105-T5 aluminium alloy, with a T-slot down the centerline of one or more sides.

It is also known under several generic names, such as aluminium extrusion, aluminium profile and 2020 extrusion if the cross-section is 20x20 mm, alongside brand names, such as 80/20 framing.[1]

While the precise history of the T-slot framing system is not known, advancement in extrusion press technology in the early 1950s allowed for economic production of aluminium profiles,[2] and examples of use can be found from the early 1960s.[3]

Although no published standard defines the system, it is produced in a series of conventional sizes which allows for compatibility between manufacturers.

There is a variation on T-slot profiles known as V-slot rails where V-slot wheels are slotted into the V-shaped channels of the framing for linear motion in a 3D printer or other CNC machine.

Profiles

[edit]

T-slot framing is divided into metric and fractional (imperial) categories. The T-slot is always centered along the long-axis of the piece. Pieces are available in each series with a square cross-section. Rectangular cross sections are also available which measure x by 2x (where x is the defined width) - e.g. 40mm by 80mm for 40 series.

Profile
type 		Profile
name 		Profile
size
fractional 10 series 1"
15 series 1.5"
metric 20 series 20 mm
25 series 25 mm
30 series 30 mm
40 series 40 mm
45 series 45 mm
  • CAD model of a rotating T-slot nut used with aluminium T-slots/ T-track/ extrusions
    CAD model of a rotating T-slot nut used with aluminium T-slots/ T-track/ extrusions
  • T-nut (red) installed in a T-slot
    T-nut (red) installed in a T-slot

See also

[edit]

References

[edit]
  1. ^ "Find out About Our Mission and Vision Here at 80/20". 8020.net. Archived from the original on 2022-03-06. Retrieved 2022-05-15.
  2. ^ Bauser, M; Sauer, G; Siegert, K (2006). Extrusion (2 ed.). Materials Park, Ohio: ASM International. p. 6. ISBN 978-0-87170-837-3.
  3. ^ US patent US3143981A, Leslie E Tassell, "Demountable partition", published 1964-08-11, issued 1964-08-11, assigned to Tassell Hardware Co 
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