175-4591 datasheet(28/54 Pages) ETC2

28 / 54 page

PM HOLDERS

TUFFALOY PM holders are mounted directly to press-

type welder platens, or are used as components of

special weld fixturing.

Platen Mounting: PM holders bolt easily to the

platen T-slots at any desired location, in a minimum

of time (no intermediary device is required). Big half-

inch mounting bolts may be used to assure good

conductivity. They are the first such standard, stocked

holders to be made available. They come in two sizes,

to match standard T-slot spacing, and to hold the 2

sizes of tips shown. The small size 1 PM holder is for

use on RWMA Size 1 press-type welders (3-1/2 in.

spacing) and the large size, 2 PM holder is for Size 2

and 3 welders (5- and 6-in. spacing). The electrodes

used do not require any particular radial positioning

to obtain proper coolant flow. These are compact

holders that may be used one-to-one or in multiples

in close proximity to one another.

Fixture Building: PM holders make special fixture

building easy too. They can be bolted to a fixture

or backup base as easily as to a platen. They are

compact and have self-contained coolant systems

that eliminate making a coolant manifold out of

the fixture.

Hose Connections: You may specify where you

want the hose connectors in the hexagonal base.

Select any two of the six possible locations and

specify by using the symbols shown on the diagram

(connector locations: A-B, or A-D, etc.). Position A-C

is standard. (A-F and C-D are not possible.)

Size 1 PM holder (9/16-in. mounting bolts)

4510 holder, Part No. 350-4510

Size 2 PM holder (3/4-in. mounting bolts)

4520 holder, Part No. 350-4520

3/4

1-5/8

2-3/8

BODY IS 2” WIDE

BODY IS 1-1/2” WIDE

TUFFALOY

high pressure welding

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