HTP MicroCut 45 DV Manuel utilisateur

HTP America, Inc. · 180 Joey Drive · Elk Grove Village, IL 60007-1304

Phone: 847-357-0700 · Fax: 847-357-0744 · Web: www.usaweld.com

IMPORTANT: Read this Owner’s Manual Completely before attempting to use this

equipment. Save this manual and keep it handy for quick reference. Pay particular

attention to the safety instructions we have provided for your protection. Contact your

distributor if you do not fully understand this manual.

HTP MicroCut 45 DV

OPERATOR’S MANUAL

General Information

Thank you and congratulations on purchasing an HTP MicroCut 45DV. With many

welding and cutting equipment options available on the market today, we appreciate your

purchase, as well as the confidence you put into HTP through purchasing one of our

products.

The versatile MicroCut 45DV works as a manual cutter and/or with a CNC plasma cutting

table. The HTP MicroCut 45DV has a dedicated CNC mode. In order to use this as a CNC

cutter you will need to purchase the CNC torch. You can also operate the MicroCut 45 DV

manually with a 20’ hand torch. If you purchased the 20’ hand torch, you can always

upgrade your machine to meet CNC plasma cutting table compatibility at a later date. As

an added bonus, the hand torch and machine torch utilize the same consumables, apart

from the shield cap, so you only need to keep on-hand a single style of replacement parts.

We hope you enjoy working with your new plasma cutting machine! If, at any time, you

need help setting up or operating your plasma cutter, at any time, please feel free to contact

us: 847-357-0700

Manufacturer’s Warranty

Subject to the terms and conditions hereof, HTP warrants that all MicroCut 45 DV plasma

cutters furnished by HTP are free from defects in workmanship and material as of the time

and place of delivery by HTP. No warranty is made by HTP with respect to trade

accessories or other items manufactured by others. Such trade accessories and other items

are subject to the warranties, if any, of their respective manufacturers only.

HTP shall be required to honor warranty claims on MicroCut 45 DV plasma cutters in the

event of a failure resulting from a defect. Please reference the warranty chart below to see

the warranty period. The warranty starts at the time of delivery of the MicroCut 45 DV to

the original owner, you must notify HTP in writing within thirty (30) days of the date of

failure:

1) Plasma cutters, power sources, and components:

2 Years

2) Plasma torches:

90 Days

3) The shield cap, shield cup body, cutting tip, electrode, and swirl ring are consumable

items and CARRY NO WARRANTY.

As a matter of general policy only, HTP may honor claims submitted by the original owner

within the above times.

In the case of HTP’s breach of warranty or any other duty with respect to the quality of any

goods, the exclusive remedies therefore shall be, at HTP’s option, (1) repair or (2)

replacement or, where authorized in writing by HTP in appropriate cases, (3) the

reasonable cost of repair or replacement at an authorized HTP service station upon return

of the goods at the Customer’s risk and expense. HTP’s option of repair or replacement

will be F.O.B., to the factory in Elk Grove Village, Illinois, therefore, no compensation for

transportation costs of any kind will be allowed. Upon receipt of notice of apparent defect

or failure, HTP shall instruct the claimant on the warranty claim procedures to be followed.

HTP America, Inc. has reserved the right to make changes in design or add any

improvements to its products at any time without incurring any obligation to install the

same on previously purchased equipment.

This warranty is null and void unless the warranty registration is sent to HTP America, Inc.

within fifteen (15) business days from the date of purchase.

Any express warranty not provided herein and any implied warranty, guarantee or

representations as to performance, and any remedy for breach of contract which, but for

this provision, might arise by implication, operation of law, custom of trade or course of

dealing, including any implied warranty of merchantability or of fitness for particular

purpose, with respect to any and all equipment furnished by HTP is excluded and

disclaimed by HTP.

Note: This warranty is to the original purchaser only. The warranty can be transferred to

another owner for a $25 warranty transfer fee. HTP must be notified within fourteen (14)

days of the sale and must be provided with the contact info of the original owner and the

contact info of the new owner.

I 
 
Index 
SAFETY.................................................................................................................................................1
PARAMETERS.....................................................................................................................................3
1 PARAMETERS ........................................................................................................................................... 3
INSTALLATION ..................................................................................................................................4
1 UNPACKING ............................................................................................................................................. 4
2 INPUT POWER CONNECTIONS ................................................................................................................... 4
3 AIR CONNECTIONS .................................................................................................................................. 4
OPERATION.........................................................................................................................................4
1 LAYOUT OF THE FRONT AND REAR PANEL.............................................................................................. 5
2 FUNCTION INTRODUCTION........................................................................................................................ 6
3 CUTTING PREPARATION............................................................................................................................ 9
4 CUTTING OPERATION ............................................................................................................................. 10 
MAINTENANCE................................................................................................................................11 
1 CUTTING TORCH MAINTENANCE ..............................................................................................................11 
2 TROUBLESHOOTING PRINCIPLE .............................................................................................................. 12 
CUTTING GUIDELINES…………………………………………………………………………...14 
CONSUMABLE BREAKDOWNS………………………………………………………………….15 
APPENDIX……………………………………………………………………………………………16 
 
 
 
 
 
 
 

1.Safety

Important Safety Precautions

OPERATION AND MAINTENANCE OF PLASMA EQUIPMENT CAN BE DANGEROUS

AND HAZARDOUS TO YOUR HEALTH.

Plasma cutting produces intense electric and magnetic emissions that may interfere with the proper

function of cardiac pacemakers, hearing aids, or other electronic health equipment. Persons who work

near plasma cutting applications should consult their medical health professional and the manufacturer

of the health equipment to determine whether a hazard exists. To prevent possible injury;read,

understand, and follow all warnings, safety precautions and instructions before using the equipment.

GASES AND FUMES

Gases and fumes produced during the plasma cutting process can be dangerous and hazardous to your

health.

• Keep all fumes and gases from the breathing area. Keep your head out of the cutting fume plume.

• Use an air-supplied respirator if ventilation is not adequate to remove all fumes and gases.

• The kinds of fumes and gases from the plasma arc depend on the kind of metal being used, coatings

on the metal, and the different processes. You must be very careful when cutting any metals which may

contain one or more of the following:

Antimo

Chromiu

Mercury

Berylliu

Arsenic

Cobalt

Nickel

Lead

Barium

Copper

Seleniu

Silver

Cadmiu

Manganes

Vanadiu

Always read the Material Safety Data Sheets (MSDS) that should be supplied with the material you are

using. These MSDSs will give you the information regarding the kind and amount of fumes and gases

that may be dangerous to your health.

• Use special equipment, such as water or down draft cutting tables, to capture fumes and gases.

• Do not use the plasma torch in an area where combustible/explosive gases or materials are located.

• Phosgene, a toxic gas, is generated from the vapors of chlorinated solvents and cleansers. Remove all

sources of these vapors.

ELECTRIC SHOCK

Electric Shock can injure or kill. The plasma process uses and produces high voltage electrical energy.

This electric energy can cause severe or fatal shock to the operator or others in the workplace.

• Never touch any parts that are electrically “live” or “hot.”

• Wear dry gloves and clothing. Insulate yourself from the work piece or other parts of the cutting

circuit.

• Repair or replace all worn or damaged parts.

• Extra care must be taken when the workplace is moist or damp.

• Disconnect power source before performing any service or repairs.

• Read and follow all the instructions in the Operating Manual.

FIRE AND EXPLOSION

Fire and explosion can be caused by hot slag, sparks, or the plasma arc.

• Be sure there is no combustible or flammable material in the workplace. Any material that cannot be

removed must be protected.

• Ventilate all flammable or explosive vapors from the workplace.

• Do not cut or weld on containers that may have held combustibles.

• Provide a fire watch when working in an area where fire hazards may exist.

• Hydrogen gas may be formed and trapped under aluminum workpieces when they are cut underwater

or while using a water table. DO NOT cut aluminum alloys underwater or on a water table unless the

hydrogen gas can be eliminated or dissipated. Trapped hydrogen gas that is ignited will cause an

explosion.

NOISE

Noise can cause permanent hearing loss. Plasma processes can cause noise levels to exceed safe limits.

You must protect your ears from loud noise to prevent permanent loss of hearing.

• To protect your hearing from loud noise, wear protective ear plugs and/or ear muffs. Protect others in

the workplace.

• Noise levels should be measured to be sure the decibels (sound) do not exceed safe levels.

PLASMAARC RAYS

Plasma Arc Rays can injure your eyes and burn your skin. The plasma arc process produces very bright

ultra violet and infra-red light. These arc rays will damage your eyes and burn your skin if you are not

properly protected.

• To protect your eyes, always wear a cutting helmet or shield. Also,always wear safety glasses with

side shields, goggles or other protective eye wear.

• Wear cutting gloves and suitable clothing to protect your skin from the arc rays and sparks.

• Keep helmet and safety glasses in good condition. Replace lenses when cracked, chipped or dirty.

• Protect others in the work area from the arc rays. Use protective booths, screens or shields.

2. Parameters

2.1 Parameters

Models

Parameters

MicroCut45DV

Normal/Grid

Gouge

Input power

1-120/230V，50/60Hz

1-120V

1-230V

1-120V

1-230V

Rated input current（A）

20.9

20.6

Rated input power（KW）

4.47

7.03

2.30

6.18

Adjustment range of current（A）

20～25

20～45

10～25

10～45

Max no-load voltage(V)

230

Duty cycle: (40℃，10 minutes）

40%

25A145V

50%

45A145V

40%

25A110V

50%

45A118V

Note: The above parameters are subject to change with the improvement of machines.

Maximum permissible system impedance 0.387Ω.

Generator Information:

When operating on a generator you will need to have 9500 continuous or running watts.

3.Installation

3.1 Unpacking

1. Use the packing lists to identify and account for each item.

2. Inspect each item for possible shipping damage. If damage is evident, contact HTP

before proceeding with the installation.

3.2 Input Power Connections

Note: Check your power source for correct voltage before plugging in or connecting

the unit.

3.3 Air Connections

A. Connecting Air Supply to Unit

Connect the air line to the inlet port of the air filter on the rear panel.

B. Check Air Quality

To test the quality of air, press on the function button briefly and hold the torch head

near a paper towel or clean surface. Check if there is any oil or moisture residue on the

clean surface when the air is coming out of the torch.

4.Operation

4.1 Layout Of The Front And Rear Panel

Figure 1.

1. LCD - Display machine status, such as the cutting current, air pressure, cutting

mode, etc

2. Encoder - Adjust the cutting current and air pressure

3. Function Button - Select cutting mode, switch between first and second menu.

4. Over-Heat Alarm - When over-heating, the yellow light will be on.

5. Power Light – A solid green light indicates the power is on.

6. Cutting Torch Connector

7. Torch Central Connector

8. Positive Output For GROUND Cable

9. Fan

10. Power Cable - Connected to the appreciate power supply

11. Power Switch - Turn on or off the power source

12. Compressed Air Connector

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