YASKAWA USAREM-A5A, Бюллетень

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6 9 2 S p e e d and To r q u e M e a s u r e m e n t (Cont'd)
• E x a m p l e : W h e n a n R S e r i e s m o t o r ( r a t e d
speed: 3 0 0 0 r / m i n ) i s u s e d , a n d
speeds a r e t o b e m e a s u r e d u p t o t h e
maximum s p e e d ( 4 5 0 0 r / m i n ) i n b o t h
d i r e c t i o n s , u s e ± 9 V ( b o t h s w i n g ) D C
v o l t m e t e r.
6 9 3 U s e of SERVOMOTOR with Holding Magnetic Brake
When SERVOMOTOR w i t h m a g n e t i c h o l d i n g b r a k e i s
u s e d , e x e c u t e t h e f o l l o w i n g t i m i n g f o r s i g n a l s
ON a n d O F F . T h e m a g n e t i c h o l d i n g b r a k e i s
r e l e a s e d b y c u r r e n t c o n d u c t i o n .
MAGNETIC 1HOLDING
BRAKE
SPEED REFERENCE
ON
OFF O F F
BRAKE RELEASED!
01 t o 0 2 s *
......-..,
INPUT
ON
SERVO ON
OFF t
MOTOR ROTATION
RUNNING
i /
— 4 1 —
t O F F
- 4 1 - -
t
*Input speed reference after waiting 0 1 to 0 2 second after
the brake release reference has been input
* Apply brake after the motor has stopped completely
(Do not use the brake to declerate the motor )
Note t shows a delay time greater than the operating time 110ms) of
one relay A f t e r Servo ON signal is turned ON, the motor will enter
servo lock status after approx 5 0 ms
Fig 6 21 M a g n e t i c Holding Brake ON-OFF Timing
7. INSTALLATION AND WIRING
7. 1 R E C E I V I N G
T h i s m o t o r h a s b e e n p u t t h r o u g h s t r i n g e n t t e s t s
at t h e f a c t o r y b e f o r e s h i p m e n t . A f t e r u n p a c k i n g ,
h o w e v e r, c h e c k f o r t h e f o l l o w i n g .
I t s n a m e p l a t e r a t i n g s m e e t y o u r r e q u i r e m e n t s .
• I t h a s s u s t a i n e d n o d a m a g e w h i l e i n t r a n s i t .
T h e o u t p u t s h a f t c a n b e h a n d - r o t a t e d f r e e l y.
H o w e v e r, t h e b r a k e - m o u n t e d m o t o r d o e s n o t
r o t a t e s i n c e i t i s s h i p p e d w i t h t h e s h a f t l o c k e d .
• F a s t e n i n g b o l t s a n d s c r e w s a r e n o t l o o s e .
I f a n y p a r t o f t h e m o t o r i s d a m a g e d o r l o s t ,
i m m e d i a t e l y c o n t a c t y o u r YA S K A W A r e p r e s e n t a t i v e
g i v i n g f u l l d e t a i l s a n d n a m e p l a t e d a t a .
7. 2 I N S TA L L AT I O N
7 2 1 S E RV O M O TO R
AC S E R V O M O T O R c a n b e i n s t a l l e d e i t h e r h o r i z o n -
t a l l y o r v e r t i c a l l y.
(1) B e f o r e m o u n t i n g
Wash o f f a n t i c o r r o s i v e p a i n t o n s h a f t e x t e n s i o n
a n d f l a n g e s u r f a c e w i t h t h i n n e r b e f o r e c o n n e c t -
i n g t h e m o t o r t o t h e d r i v e n m a c h i n e . S e e F i g .
7 . 1 .
ANTICORROSIVE
PAINT
Fig 7 1 A n t i c o r r o s i v e
Paint to be Removed
(2) L o c a t i o n
Use t h e m o t o r u n d e r t h e f o l l o w i n g c o n d i t i o n s .
I n d o o r s
Free f r o m c o r r o s i v e a n d / o r e x p l o s i v e g a s e s o r
l i q u i d s
• A m b i e n t t e m p e r a t u r e : 0 t o + 4 0 ° C
• C l e a n a n d d r y
A c c e s s i b l e f o r i n s p e c t i o n m a i n t e n a n c e a n d
c l e a n i n g
I f t h e A C SERVOMOTOR i s s u b j e c t t o e x c e s s i v e
w a t e r o r o i l d r o p l e t s , p r o t e c t t h e m o t o r w i t h a
c o v e r. T h e m o t o r c a n w i t h s t a n d a s m a l l a m o u n t
o f s p l a s h e d w a t e r o r o i l .
(3) E n v i r o n m e n t a l c o n d i t i o n s
A m b i e n t Te m p e r a t u r e : 0 ° t o + 4 0 ° C
S t o r a g e Te m p e r a t u r e : - 2 0 ° t o + 8 0 ° C
H u m i d i t y : 20% t o 80% R H ( n o n - c o n d e n s i n g )
(4) L o a d c o u p l i n g
T r u e a l i g n m e n t o f m o t o r a n d d r i v e n m a c h i n e i s
e s s e n t i a l t o p r e v e n t v i b r a t i o n , r e d u c e d b e a r i n g
and c o u p l i n g l i f e , o r s h a f t a n d b e a r i n g f a i l u r e s .
Use f l e x i b l e c o u p l i n g w i t h d i r e c t d r i v e . A l i g n -
ment s h o u l d b e made i n a c c o r d a n c e w i t h F i g . 7 . 2 .
When m o u n t i n g c o u p l i n g , e a s e t h e i m p a c t o n
the s h a f t a n d a v o i d t h e e x c e s s i v e f o r c e o n t h e
b e a r i n g .
®
()Measure the gap between a staight-edge
and coupling halves a t four equidistant
points of the coupling T h e each reading
should not exceed 0 03 mm
@Align the shafts
@Measure the gap between the coupling
faces at four equidistant points around
the coupling rim with a thickness gage
The maximum variation between any two
readings should not exceed 0 03 mm
F g 7 2 A l i g n m e n t of Coupling
(5) A l l o w a b l e b e a r i n g l o a d
A v o i d b o t h e x c e s s i v e t h r u s t a n d r a d i a l l o a d s t o
the m o t o r s h a f t . I f u n a v o i d a b l e , n e v e r e x c e e d
the v a l u e s i n Ta b l e 4 . 1 .
When m o u n t i n g t h e g e a r , c o u p l i n g a n d
p u l l e y, e a s e t h e i m p a c t o n t h e s h a f t a n d a v o i d
e x c e s s i v e f o r c e o n t h e b e a r i n g . ( 1 0 G m a x . )
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