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Dinasaw profilers are capable of tbllowing many tooth profiles. The prolile rnade 'oy the Is n
result of (a) Tooth stroG (b) Cam timrnf (c) brinder head Oscillation (arnplrtucie) and
shape. The first thr.ee are adjustrnents th-at are made to the machine while the fourth is either a function
of wear or a result of wheel dressing'
Two types of earns can be suOpliecl with the machine. The " is th'e most corlmon and js u-sed
on skip. straight back teeth biades such as Simonds .ed Stre ox Woo<i Master@' 'The "A"
,yB* *u* is uied for a tooth ibrm having a convex back rvith lower ciearance angies.
ial1'he T he transitton hetweer
the tooth ong the translator a'm
(3g) u,ith L''earittg forward (away
from cam) incrcases the stroke of the feed pawl. This effectively glves rnore time for the grinding u'hecl
to moved away' The tll'oat of the tooth
ra starting poirrt is to a<ljust the stroke to
re g the advance" (sa'y 28mm (1 1/8"\ tot
;..314""t prtch,\
v\rhen the tooth stroke is varieel, it changes the tcoth positiorr in relation to the grindsfone Lorver thc
glnding Searl and ad.iust the rooth position screw, so that the grinding wlleel passes verl' elose tc" but
do*, ,r,i actuallv touch the rooth fac:. Rerner^ber that the bhde has to be acli'anced one tooth io see the
effect of the tooth position screw adjustment.
(b) Your grinder has the facility to ellow the tooth shape to be valied by adjusting the cam timing' The
standard timing produces e. smooth progression ttom the tooth face into a well-rounded gullet' This may
tre alr-ened hy ioose.ning the clamping socket set screw in the grinder head cam and altering its timing with
the f.eed cam .Advancing the grincter head cam (7) (turning clockrvj.se) moves the gullet bottcut cioselr t<r
the tooth. fac'e whule also deepeiiing the tooth^ When alterinq the cranL timing" do so tn smail rncrernent!
Cam rrming is r:ritrcai and a f.erp degrees will clrastlcaily change lhe shaue of the lr-roth'
Eefore you arfempt to adjust the cam timing. make note of where the timing is sr:t. This is gauged by the
relarion,ship between the clanrp socket cap icr.t, and the indicator pin in the near side if the camshaft'
press the inch button until the clamp ,"."i (#8) in the am,tlitu<le cim (#7) is exactly verrtical' Now look
at whele the indicator pin on the canrshaft is pointing. Most blades reqnire the indicator pin to be around
i?il to i80 ciegrees with the clamp screrv verticai. To retard the tinring, loosen the c.lanrp screw in the
amplitude cu* (+Z) and turn the cam antl-clockwise with the allen key. Iighten the clarnp -qerew a.nC
preis the inch button to see if you have achieved the desired results. Better access is gained to the socket
*rp ,"r"* if the eam follower is raised clear" Remember to remove the allen key and lovrer the followe:r
,* ,it'u worlc,,rrg position before using machine" Advancing the cam deepens the guliet anci moves it
towards the tooih face. Rerardlng the cam has the opposite effect" As a consequence of moving the cam
timing, the tooth height (amplitude) may have to be adjusted-
The correct cam timing rvill see the grincl.ing wheel reach the lowest point il its oscillation coinciding
with the lowest point in the tooth gullet. Shoultl the form appe,u too rounded on the front face then
lengthen the tooth stroke^
Dinas;rw Pty i-tri . Autotr.tatic Profiler
