The drum and tire ax
the tire is running on the drum,
braking torque alternately.
angle up to +10 degree
ment of
of the tire and on each
Lim joo G1
the tlre buss
the radial lines. (Photo. 5
Toa
specially designed st
To determine the scale h
grid is placed in
15 cm intervals which is used to determine the orientation factor of the A7 Autograph.
Two nails ham
The co-ordinates of the surfa
by the EK3 automatic co-ordinate printer att
necessary,
Photo. 5 White Radial Line and Dots
on the Tire
void image blur on the film becaus
analysis.
3.
1.2
is are separately connected to ea
towar
ee a 15 Diu t s
rface, white lines are painted in
radial line,
orizontally and longitudinally, an accurately
front of the tire parallel to the ca
mered on the wooden frame of the
the co-ordinat
ch 95kw DC motors and while
it is possible to apply to the tire either driving or
Moreover, this machine can set the tire at any slip
d the moving direction. For easily taking the measure-
radial directions from the center
white dots are painted at 10 mm intervals along
and Photo. 6)
Photo. 6 General View of Grid
and Tire
Surface
e of the high ratating speed of the tire, a
roboscopic flash unit is used for instant illumination.
ready-made
mera and this grid is marked at
grid are us ed for depth checking.
ce of the tire in motion are measured and recorded
ached to the plotting instrument. If
es are typed on tape and can be sent to the computer for
Technical Subjects for Measurement
(1) Type of Test Tire.
Conventional tire: 7:00-13 4PR Rim 5] x13 air pressure |. 7 kg/cm?
Radial tire: 175 -]4
Rim 5JX14 air pressure 2.0 kg/cnf*
- 12 -
Cn
se
of