GB
2 - TECHNICAL INFORMATION
MASTER 880/880r P/F E-volution
2 - Pag. 30 / 30
2.7
FITTINGS - FOREWORD
The bar feeder may be provided with the fitting that is described below to increase its
performance and versatility.
2.7.1
Bush-holder device - Description
It is attached to the front part of the bar feeder. Its
function its to reduce bar vibrations to a minimum,
by keeping the bar centered during rotation
through two half bushes A, which are coupled to
form a round channel with a diameter just slightly
larger than that of the bar being machined.
In many cases, this device can be used (by only
changing the diameter of the half bushes) to
greatly extend the range of diameters which can be
machined without having to replace the guide
channel.
OPERATION
• When the bar is dropped into the guide channel,
the two half bushes are open.
• Closure is controlled by a pneumatic cylinder
after the feeder has completed the bar feeding
cycle. Closure also controls lubricating oil flow for lubrication and machined bar support
purposes.
• When the bar-pusher approaches the device, the half bushes open up to allow its passage;
oil flow is then discontinued.
Содержание MASTER 880-E P/F
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Страница 183: ...IDM 062 034 Ec 0 5 30 10 02 076 COLLETS FOR TUBES PINCES POUR TUBES REL DATA ...
Страница 193: ...078 225 RINGS FOR COLLETS BAGUES POUR PINCES 1 01 06 99 REL DATA ...
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