175-4591 datasheet(6/54 Pages) ETC2

6 / 54 page

Tuffcap electrodes consist of two pieces: a shank and

a replaceable cap. These two-part electrodes can offer

major economies, because when the nose geometry is

worn out, only the cap needs to be replaced. And it costs

far less than a standard one-piece electrode. (A Tuffcap

shank will normally outlast twenty caps.) Also, electrode

inventory can be kept small because all nose designs

will fit the same size shank.

TWO TYPES: TUFFALOY offers two kinds of Tuffcap

electrodes. One uses a male cap that fits into the shank.

The other has a female cap that fits over the shank.

FEMALE AND MALE CAPS are available in the widest

range of sizes, alloys, and styles. They are made in both

Class 1 and Class 2 alloy, and in sizes to fit- shanks sized

4 through 7 RW. Male caps are more effectively cooled

than female caps.

ALL CAPS are made with the same nose designs in

conformance with RWMA standards.

SHANKS are made of Class 2 alloy, either straight,

or bent to provide an offset. Shanks other than those

cataloged can be special ordered. Tuffcap, caps and

shanks should be used only in a directly opposed,

straight-line manner. They do not work as well as

standard electrodes on heavily coated metal such

as galvanized or tin-plate.

TUFFTRODE-Z CAPS FOR COATED STEELS

To avoid electrode sticking problems common when

welding galvanized and aluminized materials, these

copper chrome-zirconium alloy caps are offered. They

give the same performance as dispersion-strengthened

caps but cost far less. They are Class 2 caps in

mechanical and physical properties.

Both male and female caps are offered in all the standard

nose designs.

To avoid mushrooming and brassing problems associated with standard designs, these caps

have a self-dressing weld face ring that acts as a control zone. The Super Nose caps are

available in TUFFALOY’s new “Z” material, that eliminates electrode sticking problems

common when welding galvanized and aluminized materials.

Both male and female designs are offered, designed to fit shanks with 5 RW taper.

Size 5 RW straight

and offset style shanks

holding male type caps

with swivel heads.

These caps are cataloged

on pages 6 & 7.

Male Cap Type

Electrode Assembly

Female Cap Type

Electrode Assembly

TUFFALOY

caps and shanks

U.S. Patent Number 5,155,320

Other patents pending

NEW! SUPER NOSE DESIGN CAPS

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