c传动机构 张紧辊控制原理图

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JOG SPEED (‘+’ mpm)
JOG SPEED (‘-‘ mpm)
JR JF
Ramp
E-Stop
mpm →rpm
Gr1 π * Dbr1
Line Speed Ref’(rpm)
Ramp
mpm →rpm
Gr2 π* Dbr2
Line Speed Ref’(rpm)
Load Shear ΣI
Control
P2
17
Ia2
34.6
N2 1450
Байду номын сангаас
GR2 36.75
Dbr2 650 J2
BR5_3
P3
11
Ia3
21.3
N3 1450
GR3 37.704
Dbr3 650 J3
Ramp
mpm →rpm
Gr3 π* Dbr3
Line Speed Ref’(rpm)
Brake On
PLC System
Drive
SC
Set (mm)
CSaettenary Position
PI
Fbk (mm)
mpm
JOG SPEED (‘+’ mpm)
JOG SPEED (‘-‘ mpm)
JF JR
Ramp
E-Stop
mpm →rpm
Gr1 π * Dbr1
Line Speed Ref’(rpm)
0 Tension Current
DRIVE CONTROL
1. No.1 Bridle Roll Control Block Diagram (Entry Master)
Entry Speed Reference(mpm)
Encorder
MMI Over Speed Set(%) Looper Position Set(%)
Entry Looper Actual Position
3000 * P1 Nb1 TC = πNb1 Ia1 * N1
Line Speed Ref’(mpm) To POR Speed Ref’
Speed Mixer
Dead Band
JOG SPEED (‘+’ mpm)
JOG SPEED (‘-‘ mpm)
JF JR
Ramp
E-Stop
mpm →rpm
Gr1 π * Dbr1
Line Speed Ref’(rpm)
Ramp
E-Stop
mpm →rpm
Gr1 π * Dbr1
Line Speed Ref’(rpm)
JOG SPEED (‘+’ mpm)
JOG SPEED (‘-‘ mpm)
JF JR
Ramp
mpm →rpm
Gr2 π* Dbr2
Line Speed Ref’(rpm)
Load Shear ΣI
Control
Control Drive
SC
CC
PI
DBAND
SC
CC
PI
DBAND
PLG
M
Brake
PLG
M
Brake
No. 4 Bridle Roll Control Block Diagram
2 - 20
5. No.5 Bridle Roll Control Block Diagram
` Process Speed Reference (mpm)
P2
30
Ia2 58.0
N2 1450
GR2 24.545
Dbr2 650
J2
Brake On
PLC System
Drive
SC
CC
PI
DBAND
SC
CC
PI
DBAND
PLG
M
Brake
PLG
M
Brake
No. 6 Bridle Roll Control Block Diagram
2 - 22
. POR Control Block Diagram
PLG
M
Brake
PLG
M
Brake
No. 2 Bridle Roll Control Block Diagram
2 - 18
3. No.3 Bridle Roll Control Block Diagram
`
Process Speed
Reference (mpm)
Catenary Position
GR1 24.647
Diameter (mm)
DBr1 650
Inertia Moment (kg.m2 ) J1
BR1_2
P2
11.0
Ia2
21.3
N2
1450
GR2 24.647
DBr2
650
J2
BR1_3
P3
15.0
Ia3
29.6
N3
1450
GR3 24.647
DBr3
650
J3
Ramp
mpm →rpm
Tension On
Ramp
Ramp
mpm →rpm
Gr2 π* Dbr2
Line Speed Ref’(rpm)
SC
CC
Load Shear ΣI
Control
PI
DBAND
SC
CC
※ General Data
Power (kw) Rated Current (A) Base Speed (rpm) Gear Ratio Diameter (mm) Inertia Moment (kg.m2 )
Current(A)
mpm → rpm
Line 减速
X -1 Line 加速
mpm →rpm
Gr π * Dbr2
Speed Ref’(rpm)
Ramp
Tension On
Brake On PLC System
SC
SC
Load Shear Control ΣI
Drive
CC
PI
DBAND
CC
PI
DBAND
Innertia Compensation
Line 减速
X -1 Line 加速
0 Tension Current
μ0 带入 ①式求得 Ta 值. BR2_1 Load : BR2_1L = Ta – Tin BR2_2 Load : BR2_2L = Tout – Ta
3000 * P1 TC1 = πN1 Ia1
2 - 17
2. No.2 Bridle Roll Control Block Diagram
-. BR Tension Current Caculation
※ General Data
Power (kw) Rated Current (A) Base Speed (rpm) Gear Ratio Diameter (mm) Inertia Moment (Kg.M2)
CC
PI
DBAND
SC
CC
PI
DBAND
SC
CC
PI
DBAND
PLG
M
Brake
PLG
M
Brake
M
Brake
No. .5 Bridle Roll Control Block Diagram
2 - 21
6. No.6 Bridle Roll Control Block Diagram
` Delivery Speed Reference (mpm)
Gr3 π* Dbr3
Line Speed Ref’(rpm)
Brake On PLC System
Drive
SC
CC
PI
DBAND
SC
CC
PI
DBAND
SC
CC
PI
DBAND
PLG
M
Brake
PLG
M
Brake
M
Brake
No. 1 Bridle Roll Control Block Diagram
※ General Data
Power (kw) Rated Current (A) Base Speed (rpm) Gear Ratio Diameter (m) Inertia Moment(Kg.M2)
BR6_1
P1
22
Ia1 42.9
N1 1450
GR1 24.545
Dbr1 650
J1
BR6_2
Mecanical Loss
Speed(rpm)
Tension On
Tin : BR2 Tension(kg) : Entry Looper Tension Set Ta : BR2_1 和 BR2_2 之间的张力 Tension(kg) Tout : BR2 Tension(kg) : Pre-Cocess Tension Set A: BR2_1 Motor 与 Strip 接触的角度 Alpha(Degree) B: BR2_2 Motor 与 Strip 接触的角度 Beta(Degree) μ0 : 摩擦力 Ta = Tin x exp[(A x π x μ0)/180 ] -------------- ① Tout = Tin x exp[((A+B) x π x μ0)/180 ] ------- ② Tin 和 Tout 是已知值,由 ②可以得知μ0
BR2_1
P1
11
Ia1 21.3
N1 1450
GR1 36.704
Dbr1 650
J1
BR2_2
P2
15
Ia2 29.6
N2 1450
GR2 36.75
Dbr2 650
J2
JOG SPEED (‘+’ mpm)
JOG SPEED (‘-‘ mpm)
BR2 Speed Ref’
Tension Current
※ General Data
Power (kw) Rated Current (A)
BR5_1
P1
27
Ia1
52.2
Base Speed (rpm)
N1 1450
Gear Ratio
GR1 36.694
Diameter (m)
Dbr1 650
Inertia moment (Kg.M2) J1
BR5_2
Dbr1 * 9.8 * T I1 = 2 * Gr * TC1 * (BR2_1L)
Stall Tension
Line Run
Motor Current Loss
3000 * P1 TC2 = πN2 Ia2
Innertia Compensation
Dbr2 * 9.8 * T I2 = 2 * Gr * TC2 * (BR2_2L)
가. General Data
Power(Kw) Rated Current(A) Base Speed(rpm) Maxium Speed(rpm) Gear Ratio Mandrel Diameter(mm) Actual Diameter(mm) Maxium Diameter Maxium Tension(kg/㎟) Innertia Moment(Kg.m2)
Ramp
mpm →rpm
Gr2 π* Dbr2
Line Speed Ref’(rpm)
Load Shear ΣI
Control
※. General Data
BR1_1
Power (kw) Rated Current (A) Base Speed (rpm)
P1
7.5
Ia1
14.7
N1 1450
Gear Ratio
Gr1 π * Dbr1
Line Speed Ref’(rpm)
0 Tension Current
Tension On
Ramp
JOG SPEED (‘+’ mpm)
JOG SPEED (‘-‘ mpm)
JF JR
Ramp
※ General Data
Power (kw) Rated Current (A) Base Speed (rpm) Gear Ratio Diameter (m) Inertia Moment(Kg.M2)
BR3_1
P1
15.0
Ia1
29.6
N1 1450
GR1 36.75
DBr1 650
J1
BR3_2
P2
11.0
Ia2
42.9
N2
1450
GR2 36.69
DBr2
650
J2
Brake On PLC System
Drive
PI
DBAND
M
Brake
PLG
M
Brake
No. 3 Bridle Roll Control Block Diagram
Pay-off P1 Ia1 Nb1 N1 Gr1 Dm1 POR_D Dmax1 Tm1
J1
Reel 30 78 500
2000 26.15 508
2000
나. Tension Current Caculation - Torque 상수(TC) 3000 * P1 TC = πNb1 Ia1
: (N1 < Nb1) 일경우
BR4_1
P1
11
Ia1 21.3
N1 1450
GR1 36.704
Dbr1 650
J1
BR4_2
P2
15
Ia2 29.6
N2 1450
GR2 36.75
Dbr2 650
J2
mpm →rpm
Gr2 π* Dbr2
Line Speed Ref’(rpm)
Brake On PLC System
Load Shear ΣI
2 - 19
4. No.4 Bridle Roll Control Block Diagram
`
Process Speed Reference (mpm)
Catenary Position
Set (mm)
CSaettenary Position
PI
Fbk (mm)
mpm
Ramp
E-Stop
mpm →rpm
JF JR
Ramp
0
E-Stop
mpm →rpm
Gr π * Dbr1
Speed Ref’(rpm)
Ramp
-. Bridle Roll Load Shear Control
Tout BR2_2 A Ta
B BR2_1 Tin
X 0.3 Stall Tension
Line Run
Current(A)
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