Muab xam los ntawm stairs nrog sweeps 180° thiab theem teb
Sau rau qhov ntev yuav tsum nyob rau hauv millimetres
X - Aperture ntev stairs
Y - Aperture siab
F - Cov kauj ruam qhia
Z - Thickness ntawm cov kauj ruam
C - Cov nab npawb ntawm cov kauj ruam
CP - Number of Rotary theem
P - kaw cov treads hauv qab
C - Tag nrho cov kauj ruam
CP - Number of Rotary theem
P - kaw cov treads hauv qab
SP - Seb lub chaw ntawm cov thawj teeb relative to txog qib uas hauv pem teb hauv pem teb ob.
Thawj li cov theem sab sauv nyob rau hauv pem teb rau hauv pem teb muaj ob theem.
Nyob rau hauv lub qhov rooj thib ob, hauv pem teb rau hauv pem teb thib ob yog cov kauj ruam dhau. Rau qhov siab ntawm qhov stairs yuav raug proportionally txo
Txais cov kev pab laij rau nws thiab dav ntawm cov kauj ruam, ntawm lub kaum sab xis thiab saum thiab hauv qab ntawm lub Stringer loj.
Nyob rau ib qho uas koj cais qhia rau qhov ntev mus qeeb mentshis.
Cov kev pom kab ntsab stairs hloov cov kauj ruam.
Koj yuav ua kom muaj ib tug dub thiab dawb los dawb lias qho.
Stair dav yog tus dav of the stairs uas swinging site.