BYK-Gardner
byko-drive S
285 025 845 E 2106
7
2 System Description
The
byko-drive S
is an automatic film applicator. It is designed to assist the
user in achieving consistent film application by maintaining a consistent speed
and drawdown pressure. Manual drawdowns are often inconsistent, especially
between operators. This makes test comparisons between samples either diffi-
cult or unreliable.
Some of the factors affecting the drawdown are the shear rate and the pres-
sure placed on the applicator tool. The
byko-drive S
employs a precise speed
control along with a consistent weight to suit the particular material being ap-
plied.
The
byko-drive S
is compatible with most applicators, both bar and wire
types. The applicator is placed in front of the pushbar so that the applicator is
pushed along the test surface once the
byko-drive S
is started. With both the
speed and weight controlled, a consistent and uniform film is produced.
The
byko-drive S
is equipped with either a vacuum plate or a glass plate with
clamp. The vacuum plate requires an external vacuum pump to hold a test sam-
ple in place. The glass plate model uses a spring-loaded clamp to hold the sam-
ple.
A wide variation in speeds is available, from 2 mm/sec to 200 mm/sec (0.5 inch/
sec to 7.9 inch/sec). The micro-controller electronics of the
byko-drive S
en-
sures accurate speed control under all operating conditions.
The start and length of drawdown may be modified by the operator to speed
repetitive drawdowns that use smaller sizes test samples.
Notice
The vacuum pump is available as an accessories - see for example:
https://www.byk-instruments.com/p/3877
.
