Amada ML-2350AF-CDRH User manual

Z01M0626E-15

OPERATION MANUAL

YAG LASER WELDER

ML--CDRH

2350AF

2351AF

ML-2350AF/2351AF

Thank you for purchasing our YAG Laser Welder ML-2350AF/2351AF.

ML-2350AF-CDRH and ML-2351AF-CDRH are the air-cooled versions of the standard

ML-2350A-CDRH and ML-2351A-CDRH, respectively. This operation manual describes

only the difference of the air-cooled versions from the standard ones.

See the operation manual of the standard version for how to use, such as operation

method.

Contents

1. Difference from the Standard Specifications ......1

2. Specifications.........................................................1

3. Maintenance ...........................................................4

4. Outline Drawing......................................................6

In this manual, ML-2350AF denotes ML-2350AF-CDRH;

ML-2351AF, ML-2351AF-CDRH.

ATTENTION

ML-2350AF/2351AF

- 1 -

1. Difference from the Standard Specifications

The laser power supply, oscillator head and cooler are accommodated in one body.

Transportation and installation are easy because the piping for city water is not

necessary.

The air-cooled system does not waste water resources.

How to operate is just the same as the standard ML-2350A-CDRH and

ML-2351A-CDRH.

2. Specifications

①Specifications List

Oscillator

ML-2350AF ML-2351AF

Maximum rated output 70W 50W

Maximum output energy 70J/P (10ms Pulse width) 50J/P (10ms Pulse width)

Maximum peak power 7kW 5kW

Pulse width Standard: 0.3–30.0ms (0.1ms steps)

Fine setting: 0.25–5.00ms (0.05ms steps)

Pulse Repetition 1–200pps

Oscillation wavelength 1.064μm

Resonator shutter With open/close sensor

Positioning guide beam Built-in visible laser (Red)

Output stability *1 ±3%

Power Supply

Power supply 3-phase, 220V AC+10%-15%, 60Hz

3-phase, 380V AC±10%, 50/60Hz (Tap switching)

Max. input current 11A (at 220V AC) / 6.5A (at 380V AC)

Max. apparent power 3.8kVA (at 220V AC) / 4.5kVA (at 380V AC)

Power consumption Maximum: 3.5kW / Stand-by: 0.45kW (at 220V AC)

Maximum: 3.5kW / Stand-by: 0.49kW (at 380V AC)

Breaker rated current (to

be supplied by customers)

For the power supply side, we earnestly recommend

using a leakage breaker with the rated current of 20 A

or more (at 220V) or 10 A or more (at 380V), which is

applicable to harmonics and surges.

Ground Class D (ground resistance: 100 Ωmax.) (at 220V)

Class C (ground resistance: 10 Ωmax.) (at 380V)

Cooler

Heat exchange method Forced air-cooled

Operating room

temperature

5°–30°C (40°C max. cooling water temp.)

The temperature may varies depending on LAMP

INPUT POWER (%) of 80% or higher and installation

conditions. Refer to the Cooling Capability Chart below.

(Provide the provision to measure the difference

between room and coolant temperatures.)

NOTE: Heat of 2.5

kW (2150

kcal/h) is discharged for the maximum rating.

The ML-2350AF/2351AF eliminates city water to improve the factory environment.

ML-2350AF/2351AF

- 2 -

Laser

Controller

MLE-118A

Schedule setting

Up to 32 schedules can be set by combining

・Laser output waveform

・Laser energy for upper/lower limit judgment

・Number of outputs per second

・Number of repeated outputs

Measurement function Laser energy (J)

Average power (W)

Counter Displays total number of outputs (9 digits)

Displays the number of acceptable outputs (9 digits)

Length of cable Standard 3m cable

Others Mass Approx. 220

kg (at 220

V AC)

Approx. 250

kg (at 380

V AC)

Dimensions 990 (H) x 521.1 (W) x 995 (D) mm

*1) Under the condition that laser output energy is at least 5

J per pulse and peak power is at

least 1

kW.

②Cooling Capability

The chart at left depicts the

cooling capability at 100%

duty cycle. Do not use in

room temperature exceed-

ing the line shown.

See the examples below

for less than 100% duty

cycle:

[Example 1]

Letting LAMP INPUT POWER be 60%, and “1-s laser output—2-s pause” be repeated.

60 x 1/3 = 20

LAMP INPUT POWER of 20% gives the room temperature of about 36C.

Keep room temperature 36C or less.

[Example 2]

Letting LAMP INPUT POWER be 80%, and “3-s laser output—2-s pause” be repeated.

80 x 3/5 = 48

LAMP INPUT POWER of 48% gives the room temperature of about 33.5C.

Keep room temperature 33.5C or less.

0% 20% 40% 60% 80% 100%

LAMP INPUT PWR

Room temperature

（℃）

Ex. 2

Ex. 1

LAMP INPUT POWER

are measured and displayed.

ML-2350AF/2351AF

- 3 -

③Clearances between the Laser and Surrounding Wall

ML-2350AF/2351AF are provided with vents on its left and rear sides for heat

radiation. Install the Laser to secure the minimum clearances of 500

mm as shown;

otherwise, full performance cannot be expected.

500mm

Front

Exhaust

45°

Suction

Exhaust

If you cannot provide clearances specified above, consult us.

ML-2350AF/2351AF

- 4 -

3. Maintenance

(1) Maintenance Parts and Standard Intervals of

Inspection/Replacement

In addition to maintenance parts for the standard model, perform inspection

periodically referring to the following table.

Part name Model No. Item No. Operation interval

(standard) (*1)

Contents of

operation (*2)

Air filter (side) Z-01641-001 1018369 Every week Clean

1 year Replace

*1: The operation interval means the maintenance time or expected life of the part,

and is different from the guarantee period.

*2: Part replacement is performed when any damage or defect is found or the

usable period ends.

ML-2350AF/2351AF

- 5 -

(2) Maintenance of the Air Filter (Side)

The air filter at the side of the main unit is provided at the air inlet of the radiator.

Perform cleaning for this air filter at this portion every week.

Item required

Phillips screwdriver

Operating Procedure

(1) Remove screws of the filter cover at the side of the main unit.

Filter Cover

Screw

(QTY.6) Air Filter

Cover

(2) Take out the filter and wash it in tap water. Then, dry the air filter completely.

When the air filter is very dirty, use a neutral cleaner.

(3) Install the air filter by using the filter cover.

ML-2350AF/2351AF

- 6 -

4. Outline Drawing

The Laser Outline and Location of Warning/Caution Label

See the next page for details of warning labels.

CONTROL

SHUTTER

OFF

213456

POWER

HIGH VOLTAGE

READY

MAIN SHUTTER

990

995

495

521

⑥

②

⑤

①

④

③③⑤②

②

⑦

②

(

Dimensions in mm

)

ML-2350AF/2351AF

- 7 -















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