Injection Molding Machine Chapter 7
7-6
V3.0
Ｅ) On charge screen， set screw speed at low value 5%， adjust flow to min. value to check whether
RPM is less than 10 revolutions， then， set screw speed at high value 100%， adjust flow to max.
value to comply with the highest revolution of hydraulic motor， in such a way， repeat adjustment
for several times.
Ｆ) On function setting screen， set pressure/ speed， then based on the value displayed on the
pressure gauge adjust the min./max. pressure values.
Ｇ) Make sure once again that whether the min./max. value of pressure and flow correspond to the
value set.
WARING
The dither frequency of M95PV board has been adjusted with instrument in
factory，therefore，no adjustment shall be made under any circumstance.
CAUTION
Proportional valve has been adjusted upon factory delivery，unless it’s output
linearity is not comply with settings. Do not make any adjustment arbitrarily.
CAUTION
When the linearity isn’t complying with settings，please notify service department
for help.
2.3 Adjustment of motor overload protector（thermal relay）
When motor load exceeds the set current， motor overload protector will be tripped automatically to
stop motor from operation. At this time， the following procedures shall be executed:
Ａ) Open electric control box door.
Ｂ) Check the set value of current setting
knob for correctness.
Ｃ) Depress RESET bar once
Ｄ) Close electric cabinet door，turn power
on.
Ｅ) Depress pump on/off switch to restart the
motor to continue production.
Brand TECO
Brand Siemens
WARING
If improper current is set（too high or too low），this safety device can not be in
normal operation thus possibly causing motor overheat ，burned and fire hazards.
RESET
Current setting
Current setting
RESE
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