Festo BV-50- 40, Operating Instructions

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Operating Instructions

for pneumatic feed units

type 

 40, BV-50-100

For short strokes and fast working cycles, e.g. on

high-speed presses in mass production in the pre-
cision, electrical, and watchmaking industries.

Feed units can be used to push in front of the tool or

to pull behind the tool, operating from right to left

in each case. Proper functioning is ensured in each

mounting position.

The housing of the feed unit has 4 fastening holes (10)
and is attached on the press table with socket head
cap screws to the tool or to an attachment angle. It
is advisable to attach the unit such that it can be ver-
tically adjusted in order that the strip entry can at all
times be adjusted to the tool.

Material adjustment

With strips less than 30 mm wide, it must be ensured
that the strip is guided over the centre of the clamp-

ing piston (18) and is aligned with the tool centre. A

marking groove on the clamping gripper indicates the

centre of the clamping plate. The guide rollers (1)
are provided for lateral guidance and must be set to

the appropriate strip width. Make sure that they run
freely. With open clamping grippers, it is possible to

transport material which exceeds the width of the
feed unit.

Feed setting

Slacken clamping screws 

 turn set screw (4) until

the distance between stop (5) and feed brace corre-

sponds to the desired feed length. Retighten clamp-

ing screws.

Insert strip

Close hand slide valve (Figs.   and 2, item 

 the

unit is now exhausted   insert strip   reopen hand

slide valve.

If strip or tape material is to be inserted against the
length stop, it is advisable to incorporate a further

hand slide valve into line P 1 for exhausting the grip-
pers (Figs.   and 2, item 25).

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