Table des Matières
Publicité
Liens rapides
Auto Arc
Quick Cut 4500
And Ice-27C Torch
For Warranty Claims And Technical Support, Contact:
Milweld Inc., National Distributor
P.O. Box 338, Hortonville, WI 54944-0338
Tel 920-779-0916 Fax 920-779-0924
OM-228 305C
Processes
Air Plasma Cutting
and Gouging
®
Description
Air Plasma Cutter
R
File: Plasma Cutters
2007−03
Publicité
Table des Matières
Dépannage
Sommaire des Matières pour AUTO ARC Quick Cut 4500
- Page 1 Air Plasma Cutting and Gouging ® Description Air Plasma Cutter Auto Arc Quick Cut 4500 And Ice-27C Torch For Warranty Claims And Technical Support, Contact: Milweld Inc., National Distributor P.O. Box 338, Hortonville, WI 54944-0338 Tel 920-779-0916 Fax 920-779-0924 File: Plasma Cutters...
-
Page 3: Table Des Matières
TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1. -
Page 5: Section 1 − Safety Precautions - Read Before Using
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING pom _4/05 Y Warning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. - Page 6 If ventilation is poor, wear an approved air-supplied respirator. EXPLODING PARTS can injure. Read and understand the Material Safety Data Sheets (MSDSs) and the manufacturer’s instruction for metals to be cut, coatings, D On inverter power sources, failed parts can ex- and cleaners.
-
Page 7: Additional Symbols For Installation, Operation, And Maintenance
1-3. Additional Symbols For Installation, Operation, And Maintenance HOT PARTS can cause severe burns. FALLING UNIT can cause injury. D Do not touch hot parts bare handed. D Use lifting eye to lift unit only, NOT running gear, gas cylinders, or any other accessories. D Allow cooling period before working on torch. -
Page 8: Principal Safety Standards
1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Code for Safety in Welding and Cutting, CSA Standard W117.2, from from Global Engineering Documents (phone: 1-877-413-5184, website: Canadian Standards Association, Standards Sales, 178 Rexdale Bou- www.global.ihs.com). -
Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation
SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION pom_fre 4/05 Y Avertissement : se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédure présente des risques de danger ! Ceux-ci sont identifiés par des symboles adjacents aux directives. - Page 10 N’approchez pas le tube du chalumeau et l’arc pilote lorsque la gâ- LE BRUIT peut endommager l’ouïe. chette est enfoncée. Le câble de masse doit être pincé correctement sur la pièce à cou- Certaines applications de coupage produisent un bruit per, métal contre métal (et non de telle sorte qu’il puisse se constant, ce qui peut endommager l’ouïe si le niveau détacher), ou sur la table de travail le plus près possible de la ligne...
-
Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance
D Les bouteilles ne doivent pas être près de la zone de coupage ni de D Détournez votre visage du détendeur−régulateur lorsque vous ouvrez tout autre circuit électrique. la soupape de la bouteille. D Un contact électrique ne doit jamais se produire entre un chalumeau D Le couvercle du détendeur doit toujours être en place, sauf lorsque de plasma d’arc et une bouteille. -
Page 12: Principales Normes De Sécurité
D Veiller à couper à une distance de 100 mètres de tout équipement LE COUPAGE Ã L’ARC peut causer électronique sensible. des interférence. D S’assurer que la source de coupage est correctement branchée et mise à la terre. D L’énergie électromagnétique peut gêner le fonction- D Si l’interférence persiste, l’utilisateur doit prendre des mesures sup- nement d’appareils électroniques comme des ordi- plémentaires comme écarter la machine, utiliser des câbles blindés... -
Page 13: Section 3 − Definitions
SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions For Nameplate And Serial Number/Rating Label Plasma Arc Cutting Adjust Air/Gas Low Air Pressure Amperes (PAC) Pressure Light No − Do Not Do Volts Increase Temperature This Protective Earth Single Phase Constant Current Voltage Input (Ground) Percent... -
Page 14: Section 4 − Installation
SECTION 4 − INSTALLATION 4-1. Specifications NOTE If the unit is operated from a 30* ampere, 115 volt circuit or a 15** ampere, 230 volt circuit, a different input power plug must be installed on the power cord. See Section 4-9 for instructions. *A 30 ampere branch circuit is recommended for maximum performance. -
Page 15: Duty Cycle And Overheating
4-3. Duty Cycle And Overheating For Units Connected to a 115 Volt Circuit Duty Cycle is percentage of 10 min- or a 230 Volt Circuit: utes that unit can cut at rated load without overheating. 35% Duty Cycle At 27 amperes, 92 volts dc If unit overheats, thermostat(s) opens, output stops, Temperature trouble light goes On, and cooling... -
Page 16: Selecting A Location
4-5. Selecting A Location 8-1/2 in (216 mm) Dimensions And Weight 12-5/16 in* (313 mm) 49 lb (22.2 kg) not including torch *Add 13/16 in (21 mm) for handle. 16 in (406 mm) Movement Lifting Handle Use handle to lift unit. Hand Cart Use cart or similar device to move unit. -
Page 17: Connecting Gas/Air Supply
4-6. Connecting Gas/Air Supply Use only clean, dry air with 90 to 120 psi (621 to 827 kPa) pressure. Gas/Air Inlet Opening Hose Teflon Tape Obtain hose with 1/4 NPT right- hand thread fitting. Wrap threads Tools Needed: with teflon tape (optional) or apply 5/8, 1-1/8 in pipe sealant, and install fitting in opening. -
Page 18: Connecting Work Clamp
4-7. Connecting Work Clamp Work Clamp Workpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. 802 463-A 4-8. Connecting Input Power Check input voltage available at site. Changeover Switch Switch is accessible through slot in rear panel. -
Page 19: Installing Alternative Plug
4-9. Installing Alternative Plug This procedure is necessary if the unit is to be connected to a 230 Supplied 115 VAC Plug VAC receptacle, or to a 115 VAC receptacle that requires a plug that Cut cord close to plug. is different from the supplied plug. -
Page 20: Section 5 − Operation
SECTION 5 − OPERATION 5-1. Controls PRESSURE 60 PSI Set To 60 PSI (414 kPa) Setting Gas/Air Pressure Requires 90-120 PSI (621-827 kPa) Supply Output Control put and/or the cut time or find more adequate Place Output control in Gas/Air position and power (see Section 4-1). -
Page 21: Cutting Speed
5-2. Cutting Speed Recommended Cut Speeds At 27 Amperes Output Thickness Recommended Cut Speeds* Inches mm/min 16 ga 4,775 Mild Steel Mild Steel 3/16 1,016 12.7 *Recommended Cut Speed is approximately 80% of maximum. Aluminum and Stainless Steel cut speeds at these thicknesses may be reduced as much as 20%. Recommended Cut Speeds At 20 Amperes Output Thickness Recommended Cut Speeds*... -
Page 22: Sequence Of Operation
5-4. Sequence Of Operation EXAMPLE Of Cutting Operation The pilot arc starts immediately when trigger is pressed. Place tip on work for drag cutting or for Raise trigger lock and press After cutting arc starts, slowly maximum cutting speed and tip life, use a trigger. -
Page 23: Section 6 − Maintenance & Troubleshooting
SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Y Disconnect power Maintain more often before maintaining. during severe conditions. n = Check Z = Change ~ = Clean l = Replace Reference * To be done by Factory Authorized Service Agent Each Section 4-6, n Gas/Air Pressure... -
Page 24: Overload Protection: Trouble Lights & Checking Shield Cup Shutdown System
6-2. Overload Protection: Trouble Lights & Checking Shield Cup Shutdown System If certain problems occur, the Ready light goes off, a trouble light comes on, and output stops. Pressure Light Lights if gas/air pressure is below 40 PSI (276 kPa). Turn power Off, and check for proper gas/air pressure... -
Page 25: Torch And Work Cable Connections
6-3. Torch And Work Cable Connections If torch or work cable needs to be removed or replaced, proceed as follows: Turn power Off, and disconnect input power plug from receptacle. Remove wrapper from unit. Torch Connections Remove existing torch cable from unit. -
Page 26: Checking/Replacing Retaining Cup, Tip, And Electrode
6-4. Checking/Replacing Retaining Cup, Tip, And Electrode Overtightening will strip threads. Do not overtighten retaining cup during assembly. Do not cross-thread parts causing stripping. Use care during torch assembly and parts replacement. Inspect shield cup, tip, and electrode for wear before cutting or whenever cutting speed has been significantly reduced. -
Page 27: Troubleshooting Power Source
6-5. Troubleshooting Power Source Is input power Check torch consumables. Is Cup Status Connect unit to proper input connected to Reset Power switch S1. light On or voltage (see Section 4-8). correct line flashing? voltage? If unit is overheated, wait Is Changeover Is Temp Status Place Changeover switch in... -
Page 28: Troubleshooting Torch
6-6. Troubleshooting Torch Torch travel speed too slow; increase travel speed (see Section 5-2). Clean Does arc go replace torch consumables Go to Section 6-5. as necessary (see Section while cutting? 6-4). Be sure work clamp is securely attached workpiece. Be sure work clamp is securely attached to work- piece. -
Page 29: Section 7 − Electrical Diagram
SECTION 7 − ELECTRICAL DIAGRAM 227 893-A Figure 7-1. Circuit Diagram OM-203 654 Page 25... -
Page 30: Section 8 − Parts List
SECTION 8 − PARTS LIST Hardware is common and not available unless listed. 804 490-B Figure 8-1. Main Assembly OM-228 305 Page 26... - Page 31 Item Diagram Part marking Description Quantity Figure 8-1. Main Assembly ....204 326 CONSUMABLE STORAGE BOX w/DOOR (including) ....
- Page 32 Item Part Description 183 427 Handle Assy, complete (1) 171 248 Push Button Switch (1) 203 120 Leads, 20ft (1) 203 119 Main Body (1) 185 833 Switch Assembly w/spring (1) 190 220 Spring, trigger assembly 169 231 Grease, silicone (1) 195 014 Torch, replacement 20ft (1) See Figure 8-3 for...
- Page 33 Notes...
- Page 34 Notes...
-
Page 35: Warranty
Warranty Effective January 1, 2007 (Equipment with a serial number preface of “LH” or newer) This limited warranty supersedes all previous manufacturers Induction Heating Coils and Blankets, Cables, and warranties and is exclusive with no other guarantees or Non-Electronic Controls warranties expressed or implied. - Page 36 Owner’s Record Please complete and retain with your personal records. Model Name Serial/Style Number Purchase Date (Date which equipment was delivered to original customer.) Distributor Address City State Resources Available Always provide Model Name and Serial/Style Number. Contact your Distributor for: Welding Supplies and Consumables Options and Accessories Personal Safety Equipment...