Bush F - 370 Instrukcja Użytkownika Pobierz pdf (Strona 44)

ALFRA Busbar bending and punching machine

For Busbars 120 x 12 mm • Made in Germany by ALFRA

With a universal working cylinder, busbars 120 x 12 mm (160 x 10 mm upon

request) can be easily bent and by simple insertion of punches, holes of Ø

6.6 up to 21.5 mm and oblong holes can be punched.

Bending busbars

Switch position on „bending”.

When bending, the bending die is inserted in the hydraulic piston and the

electric angle reader is set in the round guide nut of the counter block. The

contact cable is connected with the electric motor.

The desired angle is ﬁxed on the angle scale with a set screw. We recom-

mend, depending upon material thickness, to set 1° - 3° above the desired

angle because copper springs back.

The ﬁrst bending angle should be tested. This bending angle can be repro-

duced as often as desired because the bending process is automatically

interrupted by the electric contact switch upon attaining the angle.

Punching busbars

Switch position on „punching”.

The punch with neoprene stripper and the corresponding die are inserted

in the mounting hole.

The punch is laterally ﬁxed by means of a set screw. The machining block

can be lifted or lowered in an inﬁnitely variable manner with the hand

wheel hydraulically in correspondence with busbar width and desired ar-

rangement of holes. A counter ﬁxed on the hand wheel shows the height of

hole centre.

We recommend centre-punching the busbar with subsequent alignment of

the cantering tip of the punch on this point – this ensures that an exact

hole pattern is attained.

The neoprene stripper and a built-in electric sensor cater for an automatic

punch relief.

Technical Data:

Bending

Bending Cu max: 120 x 12 mm

Bending angle up to: over 90°

Smallest length of leg: 50 mm

Smallest U-bending: 100 mm

Smallest Z-bending: 72 mm (material thickness dependent)

The speciﬁed values are based on a Cu rail 120 x 10 mm

Punching

Punching Cu: 6.6 - 21.5 mm

also oblong hole up to max. L = 21 mm

Material thickness Cu max: 12 mm

Material width up to: 110 mm centric

L x W x H: 700 x 410 x 410 mm

Weight: 60 kg

Special version for machining busbars

of up to 160 x 10 mm available upon

request.

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