Miller Millermatic 252 User Manual download pdf (Page 23)

S-74D

Model

Processes

MIG (GMAW)

Flux Cored (FCAW)

(Gas- and Self-Shielded)

Input Power 24 VAC, 10 A, 50/60 Hz

Electrode Wire Diameter Capacity .023–5/64 in (0.6– 2 mm)

Wire Speed 50–780 IPM (1.3–19.8 m/min)

Weight 58 lb (26 kg)

Heavy Industrial Applications

Heavy Manufacturing

Metal Fabrication

Construction

Light Manufacturing

Quick

Specs

70 Series

Constant-Speed

Wire Feeder

Issued Feb. 2007 • Index No. M/3.0

The Power of Blue

Miller Electric Mfg. Co.

An Illinois Tool Works Company

1635 West Spencer Street

Appleton, WI 54914 USA

Web Site

www.MillerWelds.com

International Headquarters

Phone: 920-735-4505

USA FAX: 920-735-4134

Canadian FAX: 920-735-4169

International FAX: 920-735-4125

DX Models Additional Features

Dual schedule allows operator to switch between two welding parameters

without readjusting machine, eliminating downtime and enhancing quality.

Adjustable weld sequence control gives operator complete control of the

welding parameters: preflow, run-in, weld time, crater, burnback and postflow.

Welding process range control locks parameters at a set percentage of

welding parameters to ensure welding procedures and quality standards

are maintained on the shop floor

Four weld programs allow the operators to store four independent

welding parameters reducing welding setup time. (Four programs

available per side on dual model.)

Easy access on/off switch

Wire feeder is warranted for

3 years, parts and labor.

Posifeed

™

Wire Drive Assembly Features

24 VDC high-torque, permanent-magnet motor.

Quick-change drive rolls.

Quick-release, calibrated drive-roll pressure adjustment arm allows

drive roll change without losing spring preload setting.

Four sealed ball bearing all-gear-driven drive-roll carriers for smooth,

positive and accurate wire feed with long uninterrupted service life.

Easy loading and threading of welding wire without having to release

the drive-roll pressure arm.

Solid-state speed control and brake circuit eliminates the need for

electrical/ mechanical relays and increases service life.

Uses Miller standard 1-5/8 in (41 mm) diameter drive rolls.

Quick-connect for all Miller guns.

Covered drive rolls—easy access, heavy-duty, molded composite

cover over drive assembly.

Floating positive drive systems provide trouble-free feeding on a

variety of wires.

Trigger receptacle oriented in a downward position to reduce potential damage.

Trigger hold reduces operator fatigue by allowing the operator to make long

welds without having to energize the trigger continuously.

Automatic run-in control significantly improves arc starting performance.

S-74DX

Model

10 ft, 14-pin

interconnecting cord

for the operator to

hook up.

All the features of the 60 Series, plus enhanced flexibility and

additional features.

Models: 74S: Standard, basic design

74D: Digital meters

74DX: Deluxe—digital, full-feature

Bernard

Q-Gun

™

and

drive rolls included.

One set of each .035 in

(0.9 mm) and .045 in

(1.1/1.2 mm) “V” groove

drive rolls.

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Miller Millermatic 252 User Manual Page 23

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