Saika METARIDDER MC Series Manuale utente
User’s Manual
Metal Detector
METARIDDER MC Series
Saika Technological Institute Foundation
MC
-
E (0
1
) / 201
805
Introduction
Thank you for purchasing METARIDDER MC Series (hereinafter referred to as the machine).
Read this manual before and during the operation to use the machine properly.
Symbols used in this manual ·········· 1
Safety Precautions························ 1
Notes on the Operation·················· 2
Warning Labels···························· 3
1 Before Using the Machine
1.1 Detection Principle and Features····· 1-2
1.1.1 Detection Principle ···············1-2
1.1.2 Features·····························1-3
1.2 Names and Functions of Parts ········ 1-4
1.2.1 Names and Functions of
Various Sections of the
Machine·····························1-4
1.2.2 Detection Sensitivity ·············1-6
2 Basic Operations
2.1 Running & Stopping ······················ 2-2
2.1.1 Running ·····························2-2
2.1.2 Stopping·····························2-3
3 Maintenance
3.1 Routine Inspection························ 3-2
3.2 Routine Cleaning·························· 3-3
3.2.1 Routine Cleaning ·················3-3
3.2.2 Points of Cleaning················3-4
3.3 Sensor Sensitivity (threshold) and
Sensor Signal (white noise)
Adjustment”. ································ 3-6
4 Errors and Troubleshooting
4.1 Errors········································· 4-2
4.2 Troubleshooting ··························· 4-2
4.2.1 Troubleshooting···················4-2
4.2.2 Troubleshooting for other
errors·································4-2
5 Specifications
5.1 Specifications······························· 5-2
5.2 Dimensions ································· 5-3
6 Warranty and Customer
Support
6.1 Warranty Information····················· 6-2
6.2 Inquiries & Consultations on the
Product······································· 6-2
1
Metal Detector
METARIDDER
Symbols used in this manual
Following symbols are used in this manual. Please understand the meaning of each symbol in
using the machine.
Indication
Significance
WARNING
Neglect of warnings may result in the death or serious injury of the operator.
CAUTION
Neglect of cautions may result in a minor injury of the operator or a property damage.
Important
Things to be observed and precautions in handling the machine.
Supplementary information and hints.
Part number and other memos.
Safety Precautions
<Warnings>
WARNING
Do not disassemble or modify the machine.
May result in an injury or a machine failure.
Stop the use if a smoke, abnormal smell or noise is detected.
Continued use may cause a fire. Turn OFF the main circuit breaker immediately and
then turn OFF the primary power supply as well. If a power plug is provided, pull out
the plug from the outlet.
Contact SAIKA or the place of purchase for assistance.
Always use the machine at the rated voltage.
Using the machine at an improper voltage may cause a fire or the operator to suffer
an electrical shock.
Be careful in handling the power cable.
Do not pull the cable, put heavy objects on the cable or place heat source near the
cable. Doing so may damage the cable, causing a fire or electric shock to the
operator.
In servicing and/or inspecting the machine, always turn OFF the Operation
Switch and the main circuit breaker.
If a plug is provided, pull out the plug from the power outlet.
Unexpected operation of the machine may cause an injury or electric shock.
Do not touch the power plug with a wet hand. (For a machine with a plug)
The operator is susceptible to an electric shock due to the moisture on the hand.
Do not open the damper door and reach inside with the power ON.
Unexpected operation of the machine may lead to an injury.
2
Metal Detector
METARIDDER
<Cautions>
CAUTION
The machine is assembled with precision. Do not expose it to excessive
vibrations and/or mechanical impacts.
Install the machine on a level floor without a vibration.
Avoid using the machine under a high temperature and humidity.
The operating temperature for the machine is 5Cto 40C. * Dew formation must be
avoided.
With high-temperature type LV1, the operating ambient temperature shall be 5C
to 45C.
If the machine is not going to be used for a prolonged period, always turn OFF
the main circuit breaker and the power supply.
If a plug is provided, pull out the plug from the power outlet.
Notes on the Operation
[1] The machine has been adjusted to detect and remove metal pieces contained in virgin plastic
pellets and pulverized plastic pellets. To use this equipment for any material other than plastic
pellets or for other purposes, consult us.
[2] Install the machine on a level so that the materials subject to inspection will fall freely through the
metal detector unit.
[3] Although sufficient care is taken to make the machine resists vibrations and environmental
conditions, the user may be requested to adjust the sensitivity to a weaker level depending on the
environment to avoid malfunctions due to vibrations and/or noise. If such an adjustment is
required, note that metal detection as described in the specifications may not be possible.
[4] Always clean the machine before changing the materials to be loaded. Materials remaining in the
machine may contaminate the material to be loaded next. (Flushing the machine with water is
strictly prohibited.)
[5] The ceramic materials used for the section coming in contact with pellets within the sensor may
break due to an impact. In cleaning the machine, be extra careful not to apply impacts to the
ceramic material by poking or rubbing it with a metal rod.
[6] Do not disassemble the metal detector since it is enclosed in a metallic housing and assembled
with precision to eliminate effects of noises. Disassembling the metal detector will void the product
warranty and SAIKA may refuse to perform maintenance services thereafter.
[7] Use the machine at the rated voltage. Using it at a voltage other than the rated voltage may result
in a machine failure, damage on the machine or electric shock to the operator.
[8] Supply the power to the machine from a dedicated power supply. Supplying the power from other
devices (such as a molding machine) may cause a malfunction due to the introduction of noises.
[9] The operating temperature of the machine is 5C to 40C and the material temperature is 5C to
40C. (* Dew formation must be avoided.)
With the high-temperature type, the operating ambient temperature shall be 5C to 45C, and the
material temperature shall be 5C to 70C. (* Dew formation must be avoided.)
[10]In installing the machine, ensure to provide a grounding (Class D grounding). Otherwise,
malfunctions may occur.
3
Metal Detector
METARIDDER
Note that SAIKAwill not be held responsible for secondary accidents and/or troubles other than
those caused directly by the machine.
Warning Labels
Rear side of frame, Transformer housing, Optional box
Maintenance door
Maintenance door (with safety switch)
1
2
3
4
4
4
Metal Detector
METARIDDER
Inside the control panel (Main unit)
Inside the control panel (Door)
No.
WARNING
1.4
Pinching fingers
When opening and closing the rear side of
the frame and the maintenance door, use
thorough caution.
2.3.5
Electric shock
Be extra careful not to suffer an electric
shock.
6
Electric shock
Be extra careful not to suffer an electric
shock.
[Table 1: List of warning labels]
5
6
1-1
Metal Detector
METARIDDER
1
Before Using the Machine
1.1 Detection Principle and Features·····················1-2
1.1.1 Detection Principle·······································1-2
1.1.2 Features····················································1-3
1.2 Names and Functions of Parts························1-4
1.2.1 Names and Functions of Various Sections of
the Machine ···············································1-4
1.2.2 Detection Sensitivity·····································1-6
1-2
Metal Detector
METARIDDER
1.1 Detection Principle and Features
1.1.1 Detection Principle
The machine is designed to make a highly accurate metal detection by the adoption of Dielectric
Loss Isolated High Frequency Oscillation method sensor, which was developed by SAIKA.
If a metal piece approaches the magnetic fieldAgenerated by the sensor, an eddy current runs on
the metal surface and the magnetic field B will be generated to cancel the magnetic field A. The
machine detects the disturbance caused by the generation of magnetic field B and determines if it
is caused by a metal from the level of response.
Metal piece
Material
Magnetic field A
generated by the sensor
Sensor coil
Magnetic field B generated
by the approaching metal
piece
(opposite to A)
Internal tube of the sensor
(ceramic)
Sensing area
1-3
Metal Detector
METARIDDER
1.1.2 Features
The machine is capable of detecting and removing metal pieces mixed in the material using a
highly sensitive metal detector.
Four types of sensor calibers (20 mm, 24 mm, 30 mm and 40 mm) are available, which
can be selected according to intended application, by sensitivity, the volume to be treated and
shape of material.
* For the detection capability according to the caliber, refer to Table 8: Machine
Specifications in Section 5-1.
The MC series is designed to be more compact than the conventional PLN series.
With the optional attachment, the MC series becomes compatible with the PLN series.
With the anti-static structure (standard feature), malfunction caused by static electricity of
materials can be reduced.
With the detection history acquisition function (optionally available), date/time of detection can
be saved in a SD card (.CSV). Detection date/time can be checked via the SD card.
All types of metals, including stainless steel, aluminum, brass and copper that cannot be
eliminated by the magnetic detection, can be detected and removed.
* However, iron oxide, of which the property has changed, is excluded.
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