HIWIN 滚珠丝杆计算

(2)
Fa
Fa = Fbm
M11
P
Fa ≤ Fbm + P
M12
4.8 4.8
(%) (t) 45 35 20
M13
L:
(rev)
C:
(kgf) (106 rev)
(a)
Fbm (2) = Fbm (1) − Fbm
L:
revs
P:
kgf
(b)
Lh
=
nav
L ×
60
Lh : nav:
rpm
????@NJ.@@@@5Y@5H???
:
: 50 mm
: 1 : 80mm
2 : 240mm
(%) (t) 20 50 30
: 200 mm
: 20mm
: 30
: 20mm
: 90
:
: 50mm
: 10mm
: 1200mm
: 18kgf
300kgf
Tb =10kgf-mm η1 =0.80
2
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F
1
M7
M9
(
4.5
nav
(rpm)
nav
=
n1
×
t1 100
+
n2
×
t2 100
+
n3
×
t3 100
+
.....
nav :
(rpm)
n:
(rpm)
t1 +:
n1
(%)
100
Fbm (1)
Fbm : fp : fp : 1.1 ~ 1.2
1.3 ~ 1.8 2.0 ~ 3.0
(2)
kgf Fb :
(3)
min -1
M14 M15 M16
M17 M18
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4.5-1 HIWIN
HIWIN C1
3,500
=10mm
(
Fbm = 318.5 kgf)
(
M1)
(rpm)
≤
C
FSV
32mm
50 mm
= 8 mm
L = 7 x 10 6 revs
HIWIN
= 50 mm
= 8 mm
B3
FSV
C = 5674 kgf
× N1 N2
TM = Tb = Td = N1 = N2 =
(kgf-mm)
(kgf-mm)
(kgf-mm
M2)
1
2
: J: α:
(kgf-mm) (kgf-mm-sec2) (rad/sec2)
Ndif = rpm stage2 -rpmstage1
ta :
(sec)
=
+
+
+
( 4.23)
Ws : DN : g:
2
+
1
: (a)
M19
Ta =
(kgf-mm)
Fb =
(kgf)
Fb = Fbm + µ x W
= (mm)
η1 =
(0.85 ~ 0.95
M3)
W=
+
(kgf)
µ=
(0.005 ~ 0.02)
(b)
η2 = Tc =
(0.75 ~ 0.85 (kgf-mm)
M20 M4)
(c)
( ) TM =
Ta + Tb + Td
Nm
9.8×10-2 9.8×10-3
1 9.80665 7.06155×10-3 1.35582
kpm (kgf -m)
10-2 1.0×10-3 0.1019716
1 7.20077×10-4
0.1382548
OZ-in
13.8874 1.38874 1.41612×10 2 1.38874×10 3
(each way)
δ =2x0.056=0.112mm
500kgf
2 x 250kgf
Kn 58kgf/µm K 15.1kgf/µm
0.106mm
250kgf
23kgf/µm
0.0061mm
51µm (45%)
Kt 13.2kgf/µm 6µm ( 5%)
Ks 82kgf/µm Kt
(c)
M7
Lh :
(hr)
Ld :
(Km)
:
(mm per rev)
nav:
(rpm)
250 100 ~ 250
350 210 30
(km)
(d) Lm = L × fr
Lhm = Lh × fr
fr
4.9
%
fr
90
1
95
0.62
96
0.53
97
0.44
98
0.33
99
0.21
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Dm-N
Dm-N HIWIN
????@NJ.@@@@5Y@5H???
:
Dm :
(mm)
N:
(rpm)
Dm-N 70,000~150,000
HIWIN
HIWIN
M33 Dm-N 150,000
4.27 Kbs :
Kn
(kgf/µm) :
4.28
Db :
(mm)
Ks :
(kgf/µm)
Kn :
(kgf/µm)
t(%) 4.22
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M7
M8
M9 M10
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HIWIN
:
fp = 1.1
(kgf)
(Fb)
1
100
2
400
3
800
(rpm) (n) 1000 50 100
(1)
nav
=
1000
×
45 100
+
50
×
35 100
+ 100
×
20 100
Hale Waihona Puke Baidu
=
487.5rpm
R:
(mm)
L:
(mm)
g:
(9800 mm/sec2 )
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M21
M22 M23 M24
M25 M26
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(d)
Pd
=
Tp max × Nmax 974
Pd : Tpmax : Nmax :
( ( (rpm)
) x Tma kgf-mm)
(e)
JM :
JG1 :
1
JG2 :
2
(kgf) (mm)
(9800 mm/sec2 ) (kgf-mm-sec2)
(kgf-mm-sec2) (kgf-mm-sec2)
TMa :
(kgf-mm)
:
J
=
1 2g
πρd
R4 L
J:
(kgf • mm • sec2 )
ρd :
(7.8x10-6 kgf/mm3 )
6.35 mm dr = 34.91
::Kb =105 kgf/µm
=10mm =2.5x2
=4.4 =0.286 (P) =250kgf
Fb =700kgf Nf = 0.5 Lt = 1000mm
Mf = 0.692
1.
Fp
M29
2.
Np
3.
η(
)
(I)
M3
(II) M4
4. K
5.
Fb=700kgf
ta
=
J TM1 −
TL
×
2πNmax 60
⋅
f
ta = J= TM1 = 2 x Tmr TMr = TL = f=
= 1.5
M27 M28
kgf -cm
1 0.1 10.19716 10 2 7.20077×10-2 13.82548
kgf -mm
10 1 1.019716×10 2 10 3 0.720077 1.382548×102
10%
Kn : K: P: C:
(OFFSET)
(10 6 ) 10%
0.28C
M34 M35 M36 M37 . M38
M39 M40
Ktot
Ktot : Kt : Kb : Kbs : Ks : Kn : Knb : Knr :
Kt
Ks
Kbs
Knb
Kn
Knr Kb
L: T:( ) Ls : T HIWIN
1 1.92×10 2
ft- bf
7.23301×10-2 7.23301×10-3
0.737562 7.23301 5.20833×10 3
1
4.24 W1 = 200 kgf W2 = 100 kgf µ = 0.02
:
(kgf) 100 300 500
(rpm) 500 100 50
: 100 rad/sec2
: 0.20 kgf • mm • sec2
Fp = 0.5Fk
Fk =
(kgf)
Fp =
(kgf)
dr :
(mm)
Lt :
(mm)
Nf :
1kgf = 9.8N 1daN=10N
, 4.25
Nf = 1.0 Nf = 0.5 Nf = 0.25 Nf = 0.0625
Nc
=
2.71 × 108
×
M f dr L2t
Np = 0.8Nc
Nc =
(rpm)
Np =
(rpm)
dr:
(mm)
Lt:
(mm)
Mf:
-
, 4.26
Mf = 1 Mf = 0.692 Mf = 0.446 Mf = 0.147
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M29 M30
M31 M32
-
-
-
-
-
-
-
-
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= 300kgf)
M1
(I)
M
M19 M2 M21
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(II)
(III) (IV) (V)
(
= 2)
DC
: TMr >1.5TM ,
: TMax >1.5Tpmax
DC
: 950 w
: 30 kgf-cm (300 kgf • mm)
: 2000 rpm
: 65 kgf x cm (650 kgf • mm)
(mm) T
(mm) 1 -0.02 mm ~ -0.03 mm
90% 4.9
(10~30rpm)
Sf : Co : Fa(max) :
= 2.5 max
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M41 Sf
M42
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: R40-10B2-FSW-1000-1200-0.012 Dm =41.4mm