providing a window into the process
APPENDIX B—PNEUMATIC LIFT
Introduction
The pneumatic lift accessory is a key piece of hardware required if the flow ratio test needs to
be conducted. Also, if the material has a low flow rate and a heavy weight is used, the
pneumatic lift system lowers and raises the weight.
Flow Ratio provides the user with insight into a materials shear thinning ability and can correlate
to molecular weight distribution. This test involves obtaining flow rates at two different shear
stresses, of generally a 10:1 ratio. First, the lower mass weight is added to the piston. Next the
higher mass weight is added to the piston. The high mass weight may be well over 50 lbs. The
pneumatic lift automatically raises and lowers the weight safely.
Activation and Operation
Lift
Change to use lift; chose on or off from drop down menu. Option is only visible when the control
cable for the lift is assembled onto the main board.
The lift will be used during test if set to “ON” in the configuration screen above. The screen will
prompt the user during test steps when the lift is going to be moved and where to key or place
the weight fork during the test procedure.
P/N: M0726(3) | Rev: 012020 | ECO: 51182
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