.1.
.1. - inv α
.
, , :
, =
,
AM = rb tgα, :
α , .. - KK , - , .
:
ρ = AM = rb tgα.
- :
ri = OA = rb / cos α
, ,
-:
θ = υ − α = tgα α = inv α.
α ,
, . invα .
.3.
π = 3,141593. 1o = 0,017453 . 1 . = 57,2957795 o = 57 o 18ʹ
α = 20o = 0,349066 . cos 20o = 0,939693; tan 20o = 0,363970;
1. m = p/π. 9563-60 ( 310-76)
2. d = m ∙ z; (r = m ∙ z / 2).
3. db = d ∙ cos α
4. .
4.1. da = d + 2∙ ha = d + 2∙ ha* ∙ m.
4.2. . ,
ra 1 = r 1 + ha ∙ m, ;
ra 2 = r 2 + ha ∙ m, .
5. df = d - 2∙ hf = d + 2∙ hf* ∙ m.
6.
7. h = ha + hf
8. ha = ha* ∙ m = 1 ∙ m.
(ha* = 1,0 ; ha* = 0,8 ).
9. hf = hf* ∙ m = 1 ∙ m.
(hf* = 1,25 ; hf* = 1,0 ).
10. ( ) p = m ∙ π; p = s + e.
11. s = p/2 = m ∙ π /2.
12. e = p/2 = m ∙ π /2.
13. τ = 360 / z τ = 2π / z .
(), z1 = 17, z2 = 22,
|
|
m = 10 . 2.
( 13755-68):
α = 20; ha * =1; * = 0,25.
17, 22 (.1) εα = 1,2 - ( ), x 1 = 0,42, x 2 = 0,74.
.
,
.
1. :
x Σ = x 1 + x 2 = 0,42 + 0,74 = 1,16.
x 1 x 2 .
2. :
inv α w = 2 x Σ tg α /(Z1+ Z2) + inv α =2 ∙1,16∙ 0,3640/(17 + 22)+ 0,01490 =0,03655.
(.3)
α w = 26,45.
inv α w
. .
3. :
.
, aw .
4. :
.
5. :
.
6. :
r b1 = r 1 ∙ cos α = 85⋅0,9397 = 79,87 ;
r b2 = r 2 ∙ cos α = 110⋅0,9397 = 103,37 .
7. : .
8. :
;
.
: aw = rw 1 + rw 2 = 89,50 + 115,45 = 204,95 .
9. :
.
: aw = a + ym = 195 + 0,995⋅10 = 204,95 .
10. :
Δ = Σ = 1,16 0,995 = 0,165.
11. :
r a1 = r 1 + (ha *+ x 1 Δ ) m = 85 + (1 + 0,42 0,165)10 = 97,55 ;
r a2 = r 2 + (ha *+ x 2 Δ ) m = 110 + (1 + 0,74 0,165)10 = 125,75 .
12. :
rf 1 = r 1 (ha *+ c * x 1) m = 85 (1 + 0,25 0,42)10 = 76,70 ;
rf 2 = r 2 (ha *+ c * x 2) m = 110 (1 + 0,25 0,74)10 = 104,90 .
13. :
h 1= ra 1 rf 1 = 97,55 − 76,70 = 20,85;
h 2= ra 2 − rf 2 =125,75 −104,90 = 20,85.
: h 1 = h 2 = 20, 85 .
14. :
,
.
15. ( ):
p = π⋅ m = 3,1415⋅10 = 31,42 .
16. ( ):
pw = p b= π⋅ m ⋅cos α = 3,1415⋅10⋅0,9390 = 29,50 .