Disc Finishing Technology

The disc finisher is the newest technology of mass finishing equipment and one of the fastest systems in terms of speed or cycle times. The disc finisher produces very high energy centrifugal forces and pressure unmatched by other generations of mass finishing equipment.

Energy and forces are generated to produce pressure by a spinning bottom disc that propel parts and media against a stationary side wall container or bowl. The higher the energy and the higher the mass the greater the pressure the shorter the time cycle. E+M=P or E+M=T.

            First generation barrel tumbling systems operate at one force of gravity or 1 g of pressure. Second generation vibratory systems produce 8 to 10 g’s of pressure and third generation centrifugal systems produce 20-24 g’s. That pressure relates to time as follows: For every 100 minutes a barrel tumbler operates, a vibratory system will produce the same results in 10 minutes and a centrifugal system equals 1 minute. 

 

All Nova-Hutson disc finishing systems share a one piece 12 g welded steel machine base with a lift and tilt top plate and bowl. All wearable and abrasive surfaces such as bowls and spinners are constructed out of metal castings with ½ thick polyurethane linner. The DF-10 uses a 3/4 HP motor and DF-12 and14 models use a 1 HP motor. All standard machine systems are controlled by an on-off 0-60 timer switch, and driven by gear and belt pulley system.

The standard gap for all disc finishing machines is .010; however, the industrial version can have a tighter tolerance gap of .005 and special wear materials. The DF-10 and 14 now have a new design that virtually eliminates the gap entirely which make them ideal for dry processing operations

The standard DF-12 disc finisher is of one piece flat curved wall bowl construction and has provisions for a 3/8 I.D.tubing inlet supply of air or liquid compound with a 3/4x5/8 fitting for 5/8 I.D. tubinng outlet fittings and plumbing. The DF-10 and DF-14 have a metal casing and 16 sided urethane wall construction. These machines are considered Quick Change Products because they can be re-worked by the end user. These systems have both a 3/4x5/8 fitting for 5/8 I.D. tubing inlet and outlet elbow plumbing fittings for wet systems and 1" fittings and tubing for dry air systems. The DF-12 can not be re-worked by the end user and must be returned for rework and replacement parts. All bowls are locked into place for normal operations and the whole upper bowl assembly is manually tilted to dump its contents once a latch released.

The DF-18 disc finisher is a free standing 1 cu.ft. self contained machine system that has a manual tilt platform mechanism. This system features the 16 sided bowl construction with a high-lift design that intensifies deburring and polishing action and comes with an attached control panel.

Optional Variations

The DF-12 is our economic model disc
finishing machine designed for bench top applications. These low price units
feature urethane to urethane gaps suitable for
wet processing .

                           DF-10 mounted on EZ dump base.

The DF-10 and DF-14 above are specially
designed so that all wearing parts can be
replaced in the field by the customer. This
includes the spinner wear ring and bowl wear
ring not possible with the DF-12.

Other unique features of the quick change
products are that they are flexible and can
be used for both wet and dry processing.

                  DF-14 mounted on EZ Dump base.

The DF-14 has 25% greater capacity than the DF-12. The bowls are also designed with 16 flat internal sides to resist parts from sticking.

Both the DF-10 and DF-14 have double water seals with the new “Tattle Tale” indicator that gives advanced warning for bearing protection.

The new Cell Star is a complete turnkey,
self-contained system for deburring and
surface finishing of parts. Just Add Air or Water!

This system features a disc finisher with
a variable speed drive, timer, and a
complete liquid re-circulating and
separation system. The tank holds
90 gallons and has a floating re-circulating
pump. The hinged machine base system sits on top of the re-circulating tank system with aluminum metal supports. Fastening holes are not supplied. These are to be done after location is determined for dump provision

TThe re-circulating system requires 10 square
feet of floor space and does not need to be
near a water source.

The dry cell star unit is the perfect compliment
for the wet cell star, because most dry systems
use less aggressive media for small and light
material removal and polishing. Dry systems are
also necessary for working small and flat parts.

Optional Features include a variable speed drive, an air blower or a dust collector or vacuum cleaner. Also available  is a screen separation system.

Most dry polishing media and treated materials work
Better at above ambient temperatures. The Cell Star air heater can obtain temperatures of 160 degrees F. in less than 10 minutes and accelerate final polishing.

The DF-18 XVI is a one cubic foot system that can be
used for either wet or dry processing.

The DF-18 is designed with the new and exclusive HI-LIFT
action and the quick change 16 sided bowl with a new
spinner shape. This system moves your parts to and up
the wall face for more aggressive parts movement and
less part-on-part impingement.