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How to Determine the Machine System You
Need
See the
Capacity Specification Chart shown
on comparison link to see the physical dimensions of the bowl. This
indicates the capacity of the machine system, which is primarily
determined by bowl size
and that determines the maximum length, width and/or height of the
largest part that can be processed by this bowl.
Fill capacity is shown in liquid and pounds of media. Normal deburring
and burnishing operations are done with perform media shapes which
varies in density and weight. Ceramic media weights approximately 100 to
120 pounds per cubic foot; whereas, steel burnishing media weights
around 300 pounds per cubic foot. Not shown is plastic media which
normal weights from 55 to 85 pounds and dry organic media from 25 to 35
pounds per cubic foot.
For the best and fastest processing results, all bowls should be run
2/3rds to 3/4 full of media. The greater the amount of media or weight
you can get in the machine the faster it works. As a rough guideline,
the capacity of parts that can go into our equipment can be determined
in a number of ways as follows:
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Part Size
See the Capacity Specification Chart shown on comparison link for
the physical dimensions of the bowl. This indicates the capacity of the
machine system, which is primarily determined by bowl size and that
determines the MAXIMUM length, width and/or height of the largest part
that can be processed by this bowl. The largest size part(s) that will
go into a machine system that will be worked properly or uniformly is
determined by the bowl's channel width or "B" dimension. That is, a part
will move in an equal x y and z motion. Parts larger than that dimension
can be worked in any bowl, equal to "C" dimension; however, they will be
touching either the inside or outside walls of the bowl and may not
rotate properly. The largest size part is a function or cord length of
the inside cone and outside wall diametersLonger parts can be processed
that are larger than the channel width; however, the part will not move
freely and will be touching either the inside or outside wall of the
bowl.
There is no restriction as to the smallest part you can work in our
equipment. The problem is locating these parts and getting a media small
enough to allow the parts to be separated out of media. The smallest
parts capable of being processed and separated by our patented screen
system is .030 in size.
Capacity
Fill capacity is shown in liquid and pounds of media. Normal deburring
and burnishing operations are done with perform media shapes which
varies in density and weight.
Ceramic media weights approximately 100 pounds per cubic foot.
Steel burnishing media weights around 300 pounds per cubic foot.
Plastic media which normal weights from 55 to 85 pounds per cubic
foot.
Dry organic media from 25 to 35 pounds per cubic foot.
For the best and fastest processing results, all bowls should be run
2/3rds to 3/4 full of media. The greater the amount of media or weight
you can get in the machine the faster it works. As a rough guideline,
the capacity of parts that can go into our equipment can be determined
in a number of ways as follows:
Weight
For deburring purposes, use 50 to 60% media to parts by weight. That is,
if the 1 cubic foot machine takes 100 pounds of ceramic media, you can
normally add 40 to 50 pounds of parts to that same machine system per
batch for a total of 150 pounds.
For polishing purposes, use 80 to 90% media to parts by weight. Based
upon 1 cubic foot machine that equals 10 to 20 pounds of parts. Using
dry organic media, that equals approx. 25 pounds of media to 15 pounds
of parts = 40 pounds.
The Nova 500 series can handle 50 pounds of ceramic media to 25 pounds
of parts for a total of 75 pounds. Dry organic + parts = 20-25 pounds
approx.
The Nova 250 series can handle 25 pounds of ceramic media to 12 pounds
of parts for a total of 37 pounds. Dry organic + parts = 10-12 pounds
approx.
Volume
Nova 1000 series or a 1 cubic foot machine system can process the amount
of parts you can fit into a box 12" x 12" x 12".
Nova 500 series or a 1/2 cubic foot machine system can process the
amount of parts you can get into a box 6" x 6" x 6".
Nova 250 series or a 1/4 cubic foot machine system can process the
amount of parts you can get into a box 3" x 3" x 3".
Construction
All Nova vibratory systems come with optional construction features
that determine the price, performance and the life of of the machine
system. Because of performance factors, Nova has dropped its least
expensive standard machine systems. There are now 3 construction version
of Nova equipment. they are as follows:
HT systems are all plastic construction, but these system now
have the heaviests and thickest plastics in the industry
HDT system use a 1/2 inch mounting plate to which are fastened
the motor and suspension system.
SHDT is the same as the HDT; however, because the eccentric
systems produce so much force and energy, it is necessary to use heavy
duty fastening materials.
Motors
All Nova vibratory systems come with optional motors. All vibratory
machines get their energy from the eccentric weight. The larger the
weight the greater the vertical lift of the bowl and the more aggressive
the movement within the work chamber and the shorter the processing
time. Naturally the greater the eccentric weigth the more pressure is
exerted on the motor and bearings. At some point, life expectancy of the
motor is determined by the weight of the eccentric. To increase the
vertical movement and aggressivness and motor life, larger bearings are
required and in to get larger bearings a larger horse power motor is
required.
All model numbers are 2 digits plus an ending number of 1, 2, or 3.
These ending numbers indicate the next larger motor and eccentric system
beyond the standard for that capacity machine. For each motor
improvement, aggressiveness and processing time is improved as much as
10% over the previous motor.
For Performance
Specifications, please see color coded price sheet.
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