IEMCA SIR52 MS52 P, Manual For Use And Maintenance

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EN
5 - ADJUSTMENTS AND SETTING-UP SIR 52 MS52 P/F
5 - Pag. 14 / 22
5.4 BAR-PUSHER - PRELIMINARY OPERATIONS AND FITTING
5.4.1 Collets - Selection and Preliminary operations
A Round bars: see enclosed tables.
B Hexagonal bars: use a drill with a diameter 1
mm approx. less than the sharp edges diameter
(see enclosed tables).
C Square bars: use a drill with a diameter 1.5 mm
approx. less than the sharp edges diameter (see
enclosed tables).
Check the introduction force into collet by using a
bar remnant. The force value must be 40÷60 kg; in
case of exceeding value, shorten the rear
polyurethane length of 5 mm at a time.
CAUTION
Collet outside diameter must be at least 0.5 mm smaller than the bar pusher
outside diameter.
5.4.2 Bar-pusher - Assembly
- Introduce slightly clutch unit (A) into rod (B)
seat, turn up to obtain a small yielding and
complete the insertion.
- Insert collet (C) into rod (B) seat, insert pin (D)
until the clutch is engaged.