CHAPTER 7: OPERATION 7-14
ALPHA 538/552
7. PNEUMATIC FRONT REST
Please read the safety instructions provided at the beginning of this manual before
handling the following devices.
7.1. Description
Located at the front of the bar feeder, the pneumatic front rest stabilizes the stock guiding, even when the
gap in the guiding elements is big.
A robust chassis contains 2 guiding elements (C). The pneumatic front rest is supplied with oil during the
whole automatic cycle. At the front, the oil is collected by centrifugal effect. An air blast (B) located just
before the exit pushes away the resting oil. The rest opening is actuated by a pneumatic cylinder (E) and
controlled by the PLC.
A cover (A) protects the mechanism, and an oil pan (D) collects the oil.
7.2. Layout of the elements
Designation Description
A Cover
B Air blast
C 2 Guiding elements
D Pneumatic cylinder
E Oil pan
F Setting of the front rest opening
C E
A
D
F
B
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