40x80 Aluminium Extrusion, Form C (C-Beam), 20 V-slot

Slot opening 6.79 mm, core bore 4.6 mm, outline 40 mm × 80 mm: the 40x80 aluminium extrusion (20 V-slot, form C, C-Beam), as 14 lengths from 100 to 2000 mm, each as simplified and detailed STEP.

How these parts are made, and what the levels mean: read the method

• Also searched as: 40x80 extrusion, 40x80 x 100 to 40x80 x 2000 extrusions
• Model id: extrusions-20-vslot-c-40x80
• Standard: 20 V-slot · size 40x80

Lengths

Length (mm)	Part key	Simplified	Detailed
100	extrusions-20-vslot-c-40x80x100	STEP	STEP
150	extrusions-20-vslot-c-40x80x150	STEP	STEP
200	extrusions-20-vslot-c-40x80x200	STEP	STEP
250	extrusions-20-vslot-c-40x80x250	STEP	STEP
300	extrusions-20-vslot-c-40x80x300	STEP	STEP
350	extrusions-20-vslot-c-40x80x350	STEP	STEP
400	extrusions-20-vslot-c-40x80x400	STEP	STEP
450	extrusions-20-vslot-c-40x80x450	STEP	STEP
500	extrusions-20-vslot-c-40x80x500	STEP	STEP
600	extrusions-20-vslot-c-40x80x600	STEP	STEP
750	extrusions-20-vslot-c-40x80x750	STEP	STEP
1000	extrusions-20-vslot-c-40x80x1000	STEP	STEP
1500	extrusions-20-vslot-c-40x80x1500	STEP	STEP
2000	extrusions-20-vslot-c-40x80x2000	STEP	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
a	Profile width		40		40	nominal	L1
h	Profile height		80		80	nominal	L1
b	Slot opening		6.79		6.79	nominal	L0 (nom: one source)
m	V mouth width		9.16		9.16	nominal	L0 (nom: one source)
va	V angle		90		90	nominal	L0 (nom: one source)
c	Slot undercut width		11		11	nominal	L0 (nom: one source)
t	Lip thickness		1.8		1.8	nominal	L0 (nom: one source)
u	Cavity depth behind the lip		4.3		4.3	nominal	L0 (nom: one source)
e	Slot depth		6.1		6.1	nominal	L0 (nom: one source)
d	Core bore diameter		4.6		4.6	nominal	L0 (nom: one source)
w	Web thickness		1.5		1.5	nominal	L0 (nom: one source)
r	Outside corner radius		1.5		1.5	nominal	L0 (nom: one source)
q	Edge to first slot centre		10		10	nominal	L0 (nom: one source)
ca	C-Beam arm width		20		20	nominal	L0 (nom: one source)
cf	C-Beam channel floor		20		20	nominal	L0 (nom: one source)

Drawing

As a PDF: CC-EXTR20-VSLOT-SZ-40x80.pdf.

The 40x80 form C aluminium extrusion beside the 40x40

The 40x80 is the last of the 6 20 V-slot aluminium extrusions published here, listed from 20x20 to 40x80.

• Profile width (a): 40 mm on the 40x80 form C aluminium extrusion, the same on the 40x40.
• Profile height (h): 80 mm on the 40x80 form C aluminium extrusion, against 40 mm on the 40x40.
• Slot opening (b): 6.79 mm on the 40x80 form C aluminium extrusion, the same on the 40x40.
• V mouth width (m): 9.16 mm on the 40x80 form C aluminium extrusion, the same on the 40x40.
• V angle (va): 90° on the 40x80 form C aluminium extrusion, the same on the 40x40.
• Slot undercut width (c): 11 mm on the 40x80 form C aluminium extrusion, the same on the 40x40.
• Lip thickness (t): 1.8 mm on the 40x80 form C aluminium extrusion, the same on the 40x40.
• Cavity depth behind the lip (u): 4.3 mm on the 40x80 form C aluminium extrusion, the same on the 40x40.

Other sizes

• One size smaller: 40x40 Aluminium Extrusion, 20 V-slot, 40 mm × 40 mm, 6.79 mm slot.

Documents

• CC-EXTR20-VSLOT-DS-40x80.pdf: 40x80 datasheet: values with levels, lengths, sources
• CC-EXTR20-VSLOT-SZ-40x80.pdf: 40x80 drawing: this size's values on the views
• parts.json: the part record of every length (the platform contract)

Sources

ooznest-vslot-pages, openbuilds-vslot-drawings. Full citations: the method page and this size's datasheet.

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