Bush F - 370 Uživatelský manuál stáhnout pdf (Strana 59)

Stationary puncher – ALFRA PRESS 250

Made in Germany by ALFRA

Laser pointer for optical indication of

tool centre

Cylinder prepared for installing a laser

pointer

End switch for stroke limit (optional)

Tool tray, can be swivelled

Length- and depth fence with

fold-away limit stops

Swivelled support arms, adjustable

height with each 2 rubber supports

(optional)

As drive, we recommend our

electrohydraulic pumps Prod.-No.

03190 or Prod.-No. 03853.

When using other drives, the piston

velocity in punching direction may not

exceed 10 mm per second.

For quick punching out of round, square, rectangular or special forms

without pilot drilling in control cabinet doors, terminal boxes, cable ducts,

housings, cable guiding plates etc. up to the edge area. Easily executable

tool exchange, in a matter of seconds.

Description:

n Flexibly applicable – on movable frame (optional) or stationary -

mounted on the work bank.

n Quick tool exchange helps in case of problems with many through-hole

variants.

n Different die holders are available – also for punching in an extreme

boundary area.

n Punching in rows is not a problem by means of attachable folding stops.

n Tip: Laser pointer used as option – no scribing, no centre punching, a

simple cross-hair with a pen is enough.

n As a “starting solution” even actuation by means of a manual pump is

sufﬁcient – so that punching without pilot drilling” is cost-effectively

possible.

Technical Data:

Outreach with stop: 250 mm

Outreach without stop: 265 mm

Punching stroke: 50 mm

Punching force F: 46 kN at 600 bar

Hydraulic connection: R 1/4”

Weight without frame: 50 kg

Weight with frame: 120 kg

Space needed with frame approx: Ø 1000 mm

Punching capacity:

Round from Ø 3.2 -40.5 mm

Square up to 28.0 x 28.0 mm

Rectangle up to 22.0 x 30.0 mm

Special forms up to a

Max. diagonal of 40.0 mm

Material thickness:

Steel sheets F = 370 N/mm

up to 2.5 mm

Stainless sheets F = 600 N/mm

up to 2.0 mm

Aluminium F = 22 up to 4.0 mm

Plastics can be punched up to 4.0 mm

Hint:

n All round tools for ALFRA PRESS punches AP 250 - AP 800 are made

of special tool steel and are provided with a special cutting geometry

developed by ALFRA.

With these tools sheets made of steel, stainless steel and aluminium can

be punched.

n Special tools can be made in our own workshop at short notice.

Performance characteristics when punching in boundary area with dies

holder Type I

Smallest possible axis dimension (edge distance) under application of

die holder Type I

Please ask for our detailed offer regarding this

stationary punching machine.

A detailed description is moreover found on our

homepage www.alfra.de

Prod.-No. 03190

Prod.-No. 03853

Prod.-No. 03174

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