Ampex 350 - Section 4 Tape Transport Mechanism; The Major Assemblies; Capstan Drive Motor; Takeup and Rewind Assemblies

__t t trt f| tt t t ttr_f r ) t r t l t
'ECT0
TAE AT MEC5 '
YT: The Tape , anspot MeGhanim' desibed in thi s--eGXion-is ued in
mGhines o o 'bai-''ypes; thoe desig---d fo- -'b_oh -G'o'di. g and'plaah,
and ose des igned o pla- y' b -'a- -' onl. Re' e' íee- ' o he 'Reò- d H'e'ad nd
te Reord mode shou3d e igo'ed b-'-ownes o m?hin--e -'deig- néd or play
bak only. All o' he-- -g' 'ariGula 'dien'G' e bew- -ee- -e'o-s':-e eeiaI
noted as he need .aises. ' '-- ' - ' - -- =
1 THE MAJOR A3 MBIE
e' ape an3or Mehanism onists of he follovin maJor asem
blie: - - ' ' '
; _Castan Dr' ive o' to-' ' B5O3) = Thi is n' hysteresjs''synhronous
moto?. w'hose e.xededsht'mshe Tape Div'-e Capstan The
moo has0 to winding' to povide e  tape' speeds seleed
by the Tape peed ith, (a^03) e Capstan ri- --e' 'Moto
ss opeting as soon a e tape is ppely readed.
_Take4p n- d Rwind A'semblies - Eah of these assemblies
on3st o an induion moor (B5O^2 and B5O) a nab1e
moued - diretly oD the moor'- sht, a bre hou- ing asebly,
_- aDd flage fo ountjg he entire uit ee unit' ar -not
interhaeeab' le, e bre hou'sin on one beig he eve:'';'e of
that on the oher, The bre ae olenoid-operaed, and ar
releaed whe the 0 rae oleoids (K5O5 and K5O6) are eneri2ed
; Ca?n le Assemb1. -This assembly onsist o a wivel-
mo. un'--ed am and a ue-tied idle'' whe!el he aion- o the
apstan le-' 'Am' is Gotolled by the Cap sta oleni (5)
en te apsta'n ~olen0id i.8 eneized (it i eerized 3n e
Play o eod mod0 es only) the movement of e am forGes e
3dler wheeI against the Capstan, whih ten drive e ape a a
onsa ee'' 'd. ' '
. _eel dle sembl - Thi asse. ly o' 'nsiss f' a p4lley, a '
pi-pivot=mou''ed a.m, a tape ide -ad a leel. he
eel id3e assembly seves to smoot out Cansjn s-eed var-
iatio in he tape ytem,
o - /i1/55 -1