Yeswelder CUT-55DS Manual de usuario
CUT-55DS
AIR PLASMA CUTTER
Note: Please read this user's manual carefully before using this product.
SAFETY
Precautions for installation
Beware of electric shock!
Install grounding device according to application standard.
Do not touch live parts with naked skin, wet gloves or wet clothes.
Be sure you are insulated from ground and workpiece.
Cover the cover plate of the machine before power on to avoid an
electric shock.
Confirm the safety of your working position.
Beware of fire hazard!
Please install the machine on non-combustible materials to avoid
a fire.
Make ensure there are no inflammables near the cutting position
to avoid a fire.
Beware of explosion!
Do not install the machine in an environment with explosive gas
to avoid an explosion.
Replacing the components can be dangerous.
Only professionals can replace the components of the machine.
Make sure the connecting wires inside the machine are correctly connected after replacing
the PCBs, and then the machine can be run. Otherwise, there is a risk of damage to
property.
Make sure there are no foreign bodies such as wire leads, screws, gaskets and metal bars
falling into the machine inside when replacing the components.
Pay attention to the following when discarding the cutting machine:
Burning the plastic parts such as the front panel may produce poisonous gas.
Dispose it as industrial waste.
Burning the electrolytic capacitors in the main circuit or on the PCBs may cause an explosion.
Smoke-may be harmful to your health!
Keep your head away from the smoke to avoid inhalation of waste gas
in cutting.
Keep the working environment well ventilated with exhaust or ventilation
equipment when cutting.
Arc radiation-may hurt your eyes and burn your skin!
Use proper mask and wear protective clothing to protect your eyes and
body.
Use proper mask or curtain to protect onlooker from being injured.
Magnetic field can make cardiac pacemaker a bit wonky!
Stay away from the power source to reduce the affect of magnetic filed.
Improper use and operation may result in a fire or an explosion!
Cutting spark may result in a fire, so please make ensure there are no
inflammables near the cutting position, and pay attention to fire safety.
Ensure there is fire extinguisher nearby, and make sure someone has
been trained to operate the fire extinguisher.
Do not weld closed container.
Do not use this machine for pipe thawing.
Hot workpiece can cause severe scald!
Do not touch hot workpiece with bare hands.
Cool the cutting torch for a while after continuously working.
Excessive noise does great harm to people’s hearing!
Wear ear covers or other hearing protectors when cutting.
Give warning to onlooker that noise may be potentially hazardous to
hearing.
Moving parts may injure your body!
Please keep away from moving parts (like fan).
Each door, panel, cover, baffle plate, and protective device the like
should be closed and located correctly.
Seek professional support when trouble strikes!
When trouble strikes in installation and operation, please inspect
according to related contents in this manual.
If you still cannot understand fully, or you still cannot solve the problem,
People with cardiac pacemaker should consult the doctor before carrying
out cutting.
please contact the dealer or the service center to obtain professional
support.
Precautions for discard
Precautions for operation
TABLE OF CONTENTS
GENERAL DESCRIPTION
1.1 Model coding.......................................................................................................................1
1.2 Technical parameters..........................................................................................................1
1.3 Size and weight ..................................................................................................................2
1.4 Composition and configuration of the cutting machine system...........................................3
1.5 Functions and characteristics of the cutting machine..........................................................4
1.6 System characteristics.........................................................................................................5
INSTALLATION AND CONNECTION
2.1 Installation requirements......................................................................................................6
2.2 Precautions...........................................................................................................................7
OPERATION
3.1 Panel functions......................................................................................................................9
3.2 Digital panel ..........................................................................................................................10
3.3 Operation method..................................................................................................................11
3.4 Notes for cutting operation.....................................................................................................11
3.5 Cutting parameters table........................................................................................................12
3.6 Replacement of electrode and nozzle....................................................................................12
MAINTENANCE
4.1 Daily maintenance..................................................................................................................13
4.2 Periodic check.........................................................................................................................14
TROUBLESHOOTING....................................................................................................................15
35
1
1. GENERAL DESCRIPTION
1.1 Model coding
Product code
Code for rated output current
Inverter air plasma cutter
Figure 1-1: Model coding
1.2 Technical parameters
Table 1-1: General technical parameters
1. GENERAL DESCRIPTION
CUT XX (XXXX)
CUT 55DS
7.4
35/94
100
265
HF
0.7
Single-phase AC220V 50Hz
20
0.5
Air cooling
IP21S
85
F
Single-phase AC110V 50Hz
29
55/96
60
265
Rated input power supply
Rated output (A/V)
Rated duty cycle(%)
No-load voltage(V)
Efficiency (%)
Cooling mode
Insulation grade
Power factor
Rated input capacity (KVA)
Output current range (A)
Arc ignition mode
Post-flow time (S)
Gas pressure range (Mpa)
Enclosure ingress protection
2
1.3 Size and weight
Table 1-2: Overall size and weight of the machine
Figure 1-2: Appearance and size of the machine (Unit: mm)
1. GENERAL DESCRIPTION
Weight(Kg)
Model
Overall size (L*W*H)
CUT 55DS
407X160X280 mm
7.8
第一章 产品概述
3
1.4 Composition and configuration of the cutting machine system
1) Composition
Figure 1-3: Composition of the cutting machine system
1. GENERAL DESCRIPTION
4
1.5 Functions and characteristics of the cutting machine
1. GENERAL DESCRIPTION
Advanced digital control mode
Plasma cutting machine CUT 55SD adopts international leading MCU intelligent digital control
technology, and all its major parts are performed through software. It is a digital control plasma
cutting machine, improved a lot in its function and performance when compared with the traditional
plasma cutting machine.
With PWM technology and high power component IGBT, it inverts the DC voltage, which is rectified
from 50Hz/60Hz input AC voltage, to 30K~100KHz AC high voltage. Then the voltage is dropped
and rectified to output the high power DC power supply for cutting. The machine adopts switching
power supply inverter technology, greatly reducing the volume and weight of the plasma cutter,
and obviously enhancing the conversion efficiency. Switching frequency is beyond audiorange,
which almost eliminates the noise pollution.
Good consistency and stable performance
Generally speaking, for a cutting machine with analogue circuit control or with analogue circuit &
digital circuit control, the performance characteristics are decided by the parameters of various
components. Cutting performance of the machines differ as a result of the inconsistent parameters
of the components, so even for the cutting machines of the same brand, their parameters often
differ from each other. In addition, cutting performance of the machine may change on some
extent, since parameters of the components may vary according to the environment such as
temperature and humidity, etc.
One of the characteristics of digital control is that it is not sensitive to the change of parameters;
the performance of cutting machine will not be affected by the change of the parameters of
certain parts. Therefore, the consistency and stability of digital control cutter is better than that
of traditional cutter.
Powerful cutting performance
This machine is economic and practical since it can cut metals by adopting compressed air as
the plasma gas source. The cutting speed has increased by 1.8 times when compared with
oxyacetylene cutting. It can cut thick steel plates such as stainless steel, copper, cast iron and
aluminum conveniently and quickly. It is easy to ignite arc by adopting HF arc ignition mode,
and post-flow function is available. With simple operation and high cutting speed, smooth cutting
surface can be obtained, and polishing is unnecessary.
Advanced inverter technology
The forward-looking design concept of this machine and the application of a large number of
advanced and mature technologies can protect user’s investment to the greatest extent.
This is a digital plasma cutting machine with perfect function, high performance and advanced
technology. CUT 55SD is an ultra-portable plasma cutting system suitable for a variety of application
requirements. It can be used in handheld cutting and robot cutting as well. CUT 55DS can cut
conductive metal, such as low carbon steel, stainless steel and aluminum. The cutting thickness
can reach up to 20 mm and perforating thickness can reach up to 12 mm.
5
1.6 System characteristics
Figure 1-4: Duty cycle
Figure 1-5: Output characteristic curves
1) Duty cycle
2) Output characteristics
External characteristic of maximum output
External characteristic of minimum output
Relationship with ratedload
1. GENERAL DESCRIPTION
Rated duty cycle refers to the percentage of the normal work time of the machine under rated
maximum current holding in the period when taking 10 minutes as a period. The rated duty
cycle of this machine is 35%.Using the cutting machine continuously overrunning the rated load
may lead to overheating of the machine, and frequently using the machine overrunning the rated
load may accelerate the aging of the machine or even burn the machine.
U2(V)
U0
I2(A)
0
Q(%)
100
I(A)
80
60
40
20
150120
90
60
30
0
6
INSTALLATION AND CONNECTION
2.1 Installation requirements
In order to ensure personal safety and avoid electric shock, please send the product power plug
the grounding ang wiring box grounding device,reliable giounding protection.
1) Connection of input cable
A primary power supply cable is available for this cutting machine. Connect the power supply
cable to the rated input power. The primary cable should be tightly connected to the correct
socket to avoid oxidization. Check whether the voltage value varies in acceptable range with a
multi-meter.
The cross section of the leads used in the switching box should meet the requirements of the
maximum input capacity of the machine.
2) Connection of output cable
2. INSTALLATION AND CONNECTION
CUT 55DS should be located close to the corresponding power socket.
Line disconnecting switch
Install a line disconnecting switch at each power supply,
so that the power supply can be cut off immediately in
case of an emergency. The disconnecting value of the
switch should be equal to or greater than the continuous
rating of the fuse. In addition, the switch should have the
following feature:
· The power is cut off when the switch is at “OFF” position.
Connection of cutting torch
Connect the center plug on the cutting torch
to the center socket of the power supply, and
tighten It clockwise to avoid gas leakage.
Connection of earth cable
Insert the quick plug on the earth cable into
the output terminal “+” on the front panel of
the machine, and tighten it clockwise.
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