Руководство по эксплуатации Lincoln Electric LF-72

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SEMIAUTOMATIC WIRE FEEDERS
LF-72 and LF-74 Wire Feeders
Output
2-Roll or 4-Roll Heavy Duty Industrial Feeders
or
Designed for MIG and cored wire welding in job shop and manufacturing
environments, the rugged LF-72 and LF-74 wire feeders are built to
deliver reliable performance day after day. The heart of these feeders
is the highly engineered 2-roll or 4-roll MAXTRAC™ wire drive
system, delivering strong and consistent feeding force for tough
Input
applications.
24-42
VAC
Select the 2-roll

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A CLOSER LOOK PERFORMANCE F F D E A B C G LF-74 Four Roll Drive LF-72 Two Roll Drive A Rigid Cast Aluminum Frame New Patent-Pending Drive Rolls Patent-Pending Dual Spring C F • Enhances precise drive roll • For steel - new design delivers Pressure Arm alignment 20% more feeding force • Easy turn numeric tension • For aluminum - chrome plated indicator to resist build-up • Set heavy tension for steel Brass to Brass Interchangeable and stainless B Gun Bushings • Set moderate tension

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A CLOSER LOOK FEATURES Front View Heavy Duty hinged door opens upward to provide generous access to wire drive. Convenient storage tray on top for contact tips and drive rolls. Calibrated Wire Feed Speed Dial for precise setting. Convenient 2 Step/Trigger Interlock Switch for operator comfort during long welds. Cold Feed for safety/Gas Purge clears LF-74 Four Roll Bench Model Shown shielding gas line. Rugged MAXTRAC™ wire drive system. Back View Gas Hose Connection Inlet. Control Cable Connecto

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SYSTEM SELECTION • WIRE FEEDER SELECTION GUIDE LF-72 LF-74 LF-74 Extra Torque Number of Rolls: Inches Per Minute 50-800 100-800 50-400 (m/min): (1.3-20.3) (2.5-20.3) (1.3-10.1) .023-1/16 (0.6-1.6) .023-1/16 (0.6-1.6) .023-1/16 (0.6-1.6) Solid Solid Solid Wire Size, in. (mm): Cored Cored Cored .030-5/64 (0.8-2.0) .030-5/64 (0.8-2.0) .030-3/32 (0.8-2.4) Unit Includes: BASE MODEL • Drive Roll and no gun, no cable Wire Guide Kit For boom mounting or for use with bulk consumables. LF-72 Base Model

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OPTIONS DRIVE ROLL & WIRE GUIDE KITS CONTROL EXTENSION CABLES Cable Type Description Description LF-72 Two-Roll LF-74 Four-Roll Wire Feeder Control Extension Cables Steel Wire Sizes (includes stainless steel): (1) .023-.030" (0.6-0.8mm) KP1696-030S KP1505-030S K1797-10 - 10 ft. Male 14-pin to female 14-pin .035" (0.9mm) KP1696-035S KP1505-035S K1797-25 - 25 ft. .045" (1.2mm) KP1696-045S KP1505-045S K1797-50 - 50 ft. .052" (1.4mm) KP1696-052S KP1505-052S K1797-100 - 100 ft. (1) .035", .045" (0

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OPTIONS GENERAL OPTIONS Magnum Gas-Shielded Gun and Adapter for Competitive Power Cable Assemblies Sources Available 200-550 amps, air- Allows wire feeder to connect to cooled, gas-shielded welding guns. select Miller Electric® power See publication E12.10 sources. Order K2335-1 Magnum Self-Shielded Gun and Cable Assemblies Control Cable to Terminal Strip Available 250-600 amps. Adapter See publication E12.110 Connects 14-pin control cable to power sources with terminal strip. Postflow and Burn

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OPTIONS ADDITIONAL OPTIONS FOR Swivel Platform FEEDERS EQUIPPED WITH Mounts to the lift bail on the power STANDARD DUTY WIRE source and bottom of the Heavy REEL STAND Duty Wire Reel stand. Wire feeder Lift Bail Kit may be lifted off if needed. Allows the entire wire feeder to be Compatible with Light Duty Caster hung from a crane or hook. Use Kit. Includes “lazy susan” parts tray. with Standard Duty Wire Reel Order K1557-1 Stand. Order K2331-1 Undercarriage Lightweight Swivel Kit Includes mount

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LF-72 AND LF-74 WIRE FEEDERS ORDER FORM PRODUCT DESCRIPTION ORDER NUMBER QUANTITY PRICE LF-72 WIRE FEEDER, BASE MODEL, WITH GUN K2327-1 LF-72 WIRE FEEDER, BASE MODEL, NO GUN, NO CABLE K2327-4 LF-72 WIRE FEEDER, BENCH MODEL, STANDARD DUTY K2327-2 LF-72 WIRE FEEDER, BENCH MODEL, HEAVY DUTY K2327-3 LF-74 WIRE FEEDER, BASE MODEL K2426-1 LF-74 WIRE FEEDER, BENCH MODEL, HEAVY DUTY K2426-2 LF-74 WIRE FEEDER, BENCH MODEL, HEAVY DUTY, EXTRA TORQUE K2426-3 UNIT REQUIRES Weld Power Cable See page 5 Magnum