TMC TMC 1000E, Руководство по эксплуатации

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Injection Molding Machine Chapter 6
V3.0
6-1
Chapter 6: Maintenance
Attention: Before doing any maintenance work
，
make sure the power supply is cut off.
1
Safety devices inspection
Upon machine starting
，
safety devices have to be inspected in detail thus ensuring the safety in machine
operation
，
safety devices are laid out as follows:
Drop bar and Scotch bar set
Hydraulic safety device
1.1 Electrical safety
LIMIT SWITCH controls front and rear safety gates
，
minimum and maximum mold thickness
，
and
inspection method is
：
A) Open front/rear safety door in clamp side
，
inspect I/O 101
，
103 on I/O monitor screen
，
they must be
off
（
no highlighted
） ，
open front/rear safety door in injection side
，
inspect I/O 201
，
202 on I/O monitor
screen
，
they must be off.
B) Activate limit switch of minimum/maximum mold thickness
，
inspect I/O 111
（
min. mold thickness
），
I/O 112
（
max. mold thickness
）
on I/O monitor screen
，
when limit switch is depressed
，
highlight of
the corresponding I/O disappeared.
C) Open the clamp side gate
，
emergency stop circuit will actuate
，
highlight of I/O 221 disappears.
D) Press front or rear emergency stop button to activate emergency stop circuit
，
highlight of I/O 221
disappeared.
1.2 Hydraulic safety
The front/rear safety door interlocking circuits control V35 directional valve
，
and V35 controls the
hydraulic safety logic valve on the clamp manifold.
Methodsr inspection is
：
◇
When front or rear safety door is opened
，
clamp cannot be closed.
◇
Clamp cannot be closed with V35 unplugged.
1.3 Mechanical safety
Inspection methods for drop bar/scotch bar set
，
clamp safety guards
，
barrel guards are:
◇
Open front safety gate
，
the drop bar set will drop on the scotch bar.
Close front safety gate
，
the drop bar set will rise thus getting away from the scotch bar.
◇
Check tightness the fixing screw of clamp safety guards
，
barrel guards
，
etc.