W A V E F O R M C O N T R O L T E C H N O L O G Y ®

SUCCESS

Pulsed GMAW

 

3/4

Automation

Valley Industries

 

 

tions. Waveform Control Technology® is

an inherently dirty environment for

V-5 test) which simulates thousands of

Lincoln’s proprietary welding software

electronics.

miles of towing under extreme

platform that controls and shapes the

 

conditions. “We take much care in the

welding output waveform. Since the

Hitch and Towing Components

design stage to ensure the safety of our

waveform is shaped digitally using

Valley Industries’ trailer hitches require

products, especially since most of them

software with an inverter-based Power

an average of 16 welds per unit. Most of

will be used to tow recreational and

Wave® welder, optimized results are

the components are plate and round or

commercial trailers at highway speeds.

delivered accounting for a specific

square tubing requiring single pass fillet

The consistent performance and weld

material type and thickness, electrode

joint welds that range from 1/2-inch to

quality of automated welding are

wire type and diameter, shielding gas

12-inches in length. On average, nine

naturally an enhancement in this area.”

mix and other variables.

component parts are loaded into the

said Ownbey.

 

 

work cell fixturing to complete a typical

 

 

In the case of Valley Industries, the

hitch.

According to Ownbey, because the

material is typically mild steel ranging

 

robotic weld sequence and weld joint

in thickness from 16

 

 

locations are

gauge to 1-inch. The

 

 

 

programmed, the same

Power Wave welding

 

 

 

exact process is re-

power source delivers

 

 

 

peated time after time.

conventional MIG

 

 

 

This makes control of

welding procedures

 

 

 

distortion within the

as well as Pulsed MIG

 

 

 

welded assembly very

welding procedures

 

 

 

manageable compared

for more difficult joint

 

 

 

to hand welding.

configurations when

 

 

 

Engineering tolerances

controlling heat input

 

 

 

become less of a

to minimize distortion

 

 

 

challenge, manu-

is especially critical.

 

 

 

facturing costs are

 

 

 

 

reduced, and more

“The Power Waves

 

 

 

options are realized

produce a very

 

 

 

in product design.

consistent, stable arc

 

 

 

 

and deliver improved

 

 

 

In tandem with the

deposition rates. With

 

 

 

Lincoln Automation

automation, faster travel

 

 

 

system, Valley Industries

speeds can be more

 

 

is utilizing .045-inch

easily accomplished

 

 

diameter Lincoln

than with manual or semiautomatic

 

SuperArc® L-50 MIG wire with a 92%

 

welding,” said Ownbey. “We are able to

“The Power Waves produce

Argon / 8% CO2 shielding gas blend.

manipulate arc characteristics, resulting

a very consistent, stable arc

The wire is supplied in 1,000-pound

in a weld bead that is more uniform in

and deliver improved

Accu-Trak® drums, which according

appearance. We also experience far less

to Ownbey, are delivering consistent

deposition rates.”

spatter. Because these power sources

performance and are quick to set up.

 

create high quality welds, we are able

 

“The L-50 is the highest quality welding

 

to go directly to the paint stage of our

 

wire I have used in my 27 years in

processing, without having to do any

Demand and volume dictate which parts

manufacturing. Lincoln wire has a

grinding or finish work on the welds.”

are welded robotically versus those

distinct advantage in automation

 

 

completed by manual or semiautomatic

applications, because it is clean and

Valley Industries also uses the real-time

welding. The robots at Valley Industries

very stiff. The copper coating doesn’t

Production Monitoring™ capabilities of

are currently running 24 hours a day, 6

flake, and it comes out of the container

the Lincoln Power Wave power sources

days a week to keep up with the

straight. Arc starts are more consistent

to monitor arc current, voltage and wire

demand. Automation allows the 250-

and overall feeding problems are

feed speed. Technicians and operators

employee company to produce smaller

minimal.”

review the information to assist in

batches of parts with greater speed.

 

 

refining weld programs and to identify

 

Lincoln Service

and correct problems. As an added

All new products are tested using the

“Our experience with Lincoln service has

bonus, Ownbey reports the Power

transportation industry standard SAE J-

been excellent. Technicians in Cleveland,

Wave 455M units are very durable in

684 test (more commonly known as the

Ohio, are available by phone and often

 

 

 

 

 

 

 

 

 

 

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Lincoln Electric NX-4.310 manual Hitch and Towing Components, Lincoln Service