Man Roland R 600 Serviceanleitung Seite 256

M i ng sheet d e t e c t i o n
-
werslon 2
( w i t h angle encoder) i n upsweep o f d e l i v e r y
R 600 Status Series 645 D e t e c t i n g range
o f r e f l e x head extended t o 175 nnn
0
ROlAND
Iecause o f m a l f u n c t i o n s o f t h e misstng sheet d e t e c t l o n device
the end of t h e d e t e c t i n g range o f t h e r e f l e x head has been ex-
tended from f o r m e r l y 100
nun
t o 175
rmn.
1
I .2
!
!.l
I
1.1
,.1
---
C 160-( 39
Sheet 2
I n s t a l l . I n c t r
.
Gr. 15
c
Cross t i e
R
600 Status Series 645
o f r e f l e x head extended t o 175 mm
D e t e c t i n g range
ROLAND
i e n e r a l
:
Up t o S e r i e s 646 t h e Cross t i e t o h o l d t h e r e f l e x heads ( l i g h t beam s w i t c h )
of the r e s p e c t i v e machine must be adjusted according t o t h e drawing.
Sheet downsweep w i t h i r i p p e r c a r r i a g e
= 1 2 O
-
21°
Sheet downsweep w i t h d e l i v e r y Systems
Before t i g h t e n i n g , knock Cross t i e as f a r as p o s s i b l e towards d e l i v e r y (otherwis
g r i p p e r s o f impression c y l i n d e r and g r i p p e r s o f g r i p p e r c a r r i a g e w i l l r u b on
sheet g u i d i n g p a n e l s ) .
As o f Series 647 t h e bores f o r Cross t i e screws i n t h e s i d e frames have been
narrowed down. The f i x a t i o n i s e f f e c t e d by a s t r a i g h t p i n i n t h e d r i v e s i d e
frame.
Sheet s u i d i n q panels
I n s t a l i
.
I n s t r .
G r . 15
Sheet g u i d i n g panels o f M-1/2/3 must l i e c l o s e t o t h e Cross t i e , w i t h o u t p l a y . I
necessary, r e s e t stops on sheet g u i d i n g panel underneath t h e lower i n k i n g u n i t
c l o s e r . (Otherwise
the
Cut-out f o r the
r e f l e r head i s t o s m a l l ) .
Holder for r e f l e x head
Up t o Series 646 an a d j u s t a b l e h o l d e r i s used f o r t h e r e f l e x head. Beginning w i t
Series 647 t h i s h o l d e r i s f i x e d and no l o n g e r a d j u s t a b l e .
R e f l e x head l l i q h t beam s w i t c h l
The r e f l e x head o f Version 2 ( w i t h angle encoder) has two f u n c t i o n s .
Function 1 =
M i S S i n Q
sheet d e t e c t . d e t e c t i o n takes p l a c e behind g r i p p e r c a r r i a g e
( d e l i v e r y System) i n sheet downsweep.
The d e t e c t i o n reaches up t o underneath t h e
a i r cushion drum ( s u p p o r t i n g r o l l e r drum
-
s u p c i
U l ü
drüm
-
sheet guide wheels) and thus
a l s o d e t e c t s t h e t h e o r e t i c a l l y most un-
favourable sheet path.(See F i g . on sheet 3 ) .
takes p l a c e on g r i p p e r c a r r i a g e ( d e l i v e r y
System) i n c i r c u m f e r e n t i a l d i r e c t i o n .
Function 2
-
Automatic t e s t
The r e f l e x
head has a
d e t e c t i n g range between 2 5 and 175 mm.
( s e t on Potentiometer and secure S e t t i n g w i t h g l u e )
I
1.1
1.2
1.3
1.4
2
2.1
Reworki nq
Remove holder w i t h r e f l e x head. Unscrew r e f l e x head. Remove s p i r a l p i n s on side,
o f h o l d e r ( p u l 1 o u t o r d r i f t o u t ) .
Rework Cut-out f o r r e f l e x head i n sheet g u i d i n g panel t o a h e i g h t o f 40
mm.
(Refer t o F i g . 3 on sheet 3 ) .
-
s l o w l y d r i l l out, using 5 mm d i a Widia d r i l l
-
saw, u s i n g o i l
-
remove one blower i n t h e area o f t h e Cut-out from t h e r e s p e c t i v e sheet guide
- f i t t h e d e l i v e r e d f i l l e r p i e c e f o r t h e now enlarged Cut-out through t h i s
A d j u s t r e f l e x head t o dimension 175
mn
-
Turn a d j u s t i n g screw on r e f l e x head (Potentiometer) about 1 1/2 t u r n s
t o
t h e
-
A t t a c h a sheet o f w h i t e paper
a t
r i g h t angle t o a plane surface.
-
A t a d i s t a n c e o f 175 mm from t h i s sheet apply a mark on t h i s surface,
- Place t h e r e f l e x head on t h i s surface, l i n e up i t s f r o n t edge ( l e n s ) w i t h t h i
-
Turn a d j u s t i n g screw f u r t h e r t o t h e l e f t , u n t i l t h e r e d i n d i c a t i n g l i g h t l i g h
-
A d j u s t t h e screw I n Order t o o b t a i n Optimum S e t t i n g a t t h e 175 mn mark. Check
R e - i n s t a l l r e f l e x heads and note, t h a t the r e f l e x heads a r e p u l l e d w i t h i n the
c u t o u t s o f t h e angle bracket a l l t h e way towards t h e d e l i v e r y
:
then screw down
M i s s i n s sheet d e t e c t i o n
-
f u n c t i o n i
-
a d j u s t i n q (Fiq. 11
Advance press FORWARD t o P o s i t i o n
( X ) S e t t i n g . (programmed)
p a n e l . ( A t t e n t i o n ! Power c a b l e ! ) .
opening
-
screw down and seal.
l e f t .
mark,
U P .
adjustment by moving r e f l e x head s l i g h t l y back and f o r t h !
P o s i t i o n
o f
M i s s i n g sheet device
=
M - I
=
250'
M - 1
=
220"
(603 -
606)
M - 2
=
30"
(603
-
004)
M
-
2
=
359" (603
-
604)
M - 2
=
45' (605
-
606)
M
- 2
=
15" (605 - 606)
M
-
3
=
185'
(605 - 606)
(603
- 606)
(605 - 606)
M
- 3
=
155"
Now P o s i t i o n angle b r a c k e t w i t h reflex head and t h e provided a u x i l i a r y j i g
843 R 1427 13/4 i n such
a
manner, t h a t the p l a s t i c bushing on t h e threaded bar
j u s t c o n t a c t s t h e a i r cushion drum e t c . ( X ) .
O n a sheet downsweep w i t h g r i p p e r carriage, t h e bracket angle i s p o s i t i o n e d
approximately i n t h e Center o f t h e Cut-out.
On t h e sheet downsweep w i t h d e l i v e r y System, the angle i s s e t a l l t h e way towari
t h e t o p i n d i r e c t i o n o f the Cross t i e and screwed down t h e r e .
Note:
The threaded rod i n t h e a u x i l i a r y j i g must c l e a r t h e end o f t h e cutout. i n
t h e sheet g u i d i n g panel by a t l e a s t 8 mm.