27
Troubleshooting
Sometimes unavoidable issues will occur while operating the VM
®
Lab Mixer. Fortunately, there are
several methods to remedy these issues.
Common Machine Issues
Symptom
Possible Cause
Possible Solution
Powder takes too long to mix
The fill volume in the Hopper is too
high.
Reduce the amount of powder in the
Hopper (does not exceed
2/3
full).
There is not enough operation time
for the powder to be mixed.
Increase the amount of operation time
on the Timer.
The Hopper was incorrectly filled with
powder.
Ensure to fill the Hopper with
horizontal layers of powder, rather
than vertical.
The particle properties in the powder
are too different.
Eliminate solids/different particle
sizes by granulating or milling the
powder before mixing.
Knocking sounds coming from
machine
The V Belt is loose.
Tighten the V Belt.
Parts may be loose.
Check the machine's parts and
tighten as necessary.
Heavy resistance during production
The high friction areas are either
unclean, locked, worn out, or not
greased properly.
Apply grease to all high friction areas
and/or clean the machine.
Excess machine vibration
The V Belt is worn.
Replace the V Belt.
The machine has no anti-vibration
pads or they are worn.
Place new anti-vibration pads on the
bottom of the machine.
Parts may be loose.
Check the machine's parts and
tighten as necessary.
The Hopper is not turning
The Main Cam Drive Shaft is loose.
Tighten the the bolt that secures the
Main Cam Drive Shaft.
The V Belt is loose.
Tighten the V Belt.
The Gearbox is jammed.
Replace the Gearbox.
