6
2. MACHINE DESCRIPTION
2.1 WORKING PRINCIPLE
The frame assembling machine Mitre-Mite VN 4
Memory Program has been realized for the mass
production of medium or large sized frames.
The machine is controlled by an electronic
system able to execute very quickly the different
working cycles.
You can store in the machine’s memory 1.400
different programs corresponding to several
types and sizes of frames.
The machine can work only semi-automatically
controlled by a program input by the operator.
The frame assembling machine Mitre-Mite VN 4
Memory Program can use special V-nails with
“pulling power” to pull the joints tightly
t o g e t h e r .
2.2 MAIN COMPONENTS
The main components constituting the machine
a r e :
•
Frontal clamping device to have a perfect
j o i n t .
•
Floor stand with Filter/regulator/lubricator
•
Double Hydralic hold down
•
Double & triple mechanical hold downs
•
Pneumatic opening of V-nails magazine for a
very quick reloading
•
Nail heads sizes 7, 10 and 15 mm.
2.3 MACHINE STRUCTURE
The movement directions during the machine
working are the followings:
- X AXIS
Movement of horizontal clamp
- Y AXIS
Movement of vertical clamp
2.4
DIMENSIONS
The overall dimensions are reported on complete drawing
of table 2.9-A
2.5
SURROUNDING CONDITIONS
The machine does not need special surrounding conditions.
It has to be installed inside an industrial building, lit, aired
and with a compact and flat floor. The admitted temperatures
go from 40° to 104° F, with an humidity not higher than
50% at 104° F or 90% at 68° F.
2.6 LIGHTING
Premises lighting must be conformed to the
norms in force in that Country where the machine
is installed and has to guarantee a clear
visibility and can not create dangerous
r e f l e c t i o n s .
2.7
VIBRATIONS
In standard conditions conformed to the
indication of machine proper utilization the
vibrations do not create dangerous conditions.
The average quadratic weighed level, according
to the acceleration frequency to which arms
are exposed does not exceed 2,5 m/s2.
The indicated noise levels are
emission ones measured in standard
conditions of use. In case of any
machine modification, the above
mentioned levels could be changed
and should be tested on the same
machine.
2.8 NOISE EMISSIONS
The machine is designed and projected for
reducing the noise emission level to its source.
In standard working conditions the Machine noise
power level is:
•
Acoustic Continuous Equivalent weighed pression A
<70dB
•
Acoustic Istantaneous weighed pression
<130dB
The noise levels indicated are emission levels
and are not representative of operating levels.
In spite of an existing relationship between
emission levels and exposure ones, this can not
be used in a reliable way to define if further
precautions are necessary. The factors
determining the exposure level to which the
working force is subjected, include exposure
length, working premises characteristics and
other noise sources (number of machines, closed
bldg., etc...). Furthermore, also the allowed
exposure levels could change according to
several Countries. At any rate, the information
provided, will allow the Machine Operator to
achieve a better evaluation of the danger and
risks he is submitted to.
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