Calculation of metal stairs with 90 degrees

drawing scale 1:    

Specify dimensions in millimetres

Steps on the upper bowstring C1
On the bottom of the closed string C2
Bowstring T

The height of the opening Y
The length of the opening X
Width of stairs W

The thickness of the steps Z
Ledge F

The thickness of a bowstring A
Width of a bowstring G
Supports thickness B
Height treads over bowstring H

The Size Of The D
Angle U

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Calculation of metal stairs to turn to 90 degrees and the treads on supports

Select the required dimensions in millimetres

X - aperture width of stairs
Y - The height of the opening
W - Width of stairs
F - Ledge steps
T - the number of strings
C - Number of steps
Z - The thickness of the steps
H - Height treads over bowstring
A - The thickness of a bowstring
B - Supports thickness
G - Width of a bowstring
D - distance for mounting supports
U - the angle of the supports to the vertical

SP - Determine the position of the first degree relative to the level of the floor of the second floor.
LR - Set the direction of the lift. For the drawing steps.

Features of the program.

Calculation of convenient size, steel stairs with turn in 90 degrees.
Determining the amount of material.
The exact dimensions of all the parts.
Detailed drawings and schematics of all elements of the metal stairs.

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zhitov Author of the project: Dmitry Zhitov        © 2007 - 2018
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