Added involute_gear_od() function.
This commit is contained in:
parent
e6a26bc7b1
commit
fb41f218fe
|
@ -5254,6 +5254,7 @@ The origin of the rack is the left end of the pitch line and its width is below
|
|||
|:--- |:--- |
|
||||
| ```centre_distance(m, z1, z2, pa = 20)``` | Calculate distance between centres taking profile shift into account |
|
||||
| ```involute(r, u)``` | Involute of circle radius r at angle u in radians |
|
||||
| ```involute_gear_od(m, z, pa = 20)``` | involute gear outside diameter given modulus, tooth count and pressure angle |
|
||||
| ```involute_rack_tooth_profile(m, pa = 20, clearance = undef)``` | Calculate rack tooth profile given module and pressure angle |
|
||||
| ```involute_worm_profile(m, pa = 20, clearance = undef)``` | Calculate worm profile suitable for passing to thread() |
|
||||
| ```profile_shift(z, pa)``` | Calculate profile shift for small gears |
|
||||
|
|
|
@ -46,6 +46,9 @@ function profile_shift(z, pa) = z ? max(1 - z * sqr(sin(pa)) / 2, 0) : 0; //! Ca
|
|||
function centre_distance(m, z1, z2, pa = 20) = //! Calculate distance between centres taking profile shift into account
|
||||
let(x1 = profile_shift(z1, pa), x2 = profile_shift(z2, pa)) m * (z1/2 + z2/2 + x1 + x2);
|
||||
|
||||
function involute_gear_od(m, z, pa = 20) = //! involute gear outside diameter given modulus, tooth count and pressure angle
|
||||
m * (z + 2 * profile_shift(z, pa) + 2);
|
||||
|
||||
module involute_gear_profile(m, z, pa = 20, clearance = undef, steps = 20) { //! Calculate gear profile given module, number of teeth and pressure angle
|
||||
assert(z >= 7, "Gears must have at least 7 teeth.");
|
||||
d = m * z; // Reference pitch circle diameter
|
||||
|
|
Loading…
Reference in New Issue