SUHNER MACHINING BEW 12, Technical Document

Page: 25 / 48

The electronic or pneumatic proximity switches are set at
the factory.
c
OnnectiOn eletric
Blue minus
Brown plus
Black
control pulse
Voltage 12-24V DC
Output current max. 200mA
Output PNP
c
OnnectiOn pneumAtic
Connection P black
Connection A yellow
Feed pressure at P 0-8bar
Signal pressure range at A 0 - feed pressure
2.2.3 p
neumAtic AdVAnce
Attach air hoses (polyurethane hoses Di=4 mm, max.
pressure 7 bars, -35 to 60 °C ) to the installed pneumatic
connections.
For the quality of compressed air, see point 2.5!
w
ithOut chip remOVAl
Stroke «forward» (1). Stroke «back» (2).
w
ith chip remOVAl
Stroke «forward» (1). Stroke «back» (2). Release brake (3).
p
rinciple OF AdVAnce cOntrOl
Machining unit (1). Oil brake (2). Inductive sensors (3). Ad-
justable speed regulation check valve (4). Bistable 4/2- or
5/2-way pulse valve (5). Main valve (6). Filter (7a). Pressure
regulator (7b). Oiler (7c). Mono-stable 4/2-way valve (only
with chip removal function) (8).
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