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NEW C-20 DeDuster® for injection molders - Small and Powerful

Pelletron, a pioneer in dedusting technology, introduces the C-20, a completely new DeDuster® design developed specifically for injection molding processes.

Benefits at a glance:

+ Excellent cleaning/dedusting results

+ Low construction height – 9.5 in (240 mm)

+ Lightweight design – 20 lbs (9 kg)

+ Low cost investment

Removing dust and streamers prevents the creation of black or weak spots in finished products and results in reduced scrap rates, higher quality parts and improved profit.

C-20 DeDuster® Video:

The design:

The lightweight C-20 DeDuster® weighs 20 lbs (9 kg) and requires only 9.5 in (240 mm) for installation between the hopper loader and inlet hopper of an injection -molding machine. The high cleaning efficiency offers -exceptional results in injection molding applications. It features stainless steel construction, 110 or 220 V operation and only consumes 2 – 3 CFM (3.4 – 5 m3/h) compressed air at 20 – 30 psi (1.5 – 2 bar) pressure.

The C-20 DeDuster® is designed for a nominal product flow rate of 50 lbs/h (~ 20 kg/h) at 30 lbs/ftD (560 kg/mD) bulk density. Flow rates up to 70 lbs/h (30 kg/h) are -possible for products with higher bulk densities.

How it works:

The design of the C-20 builds upon the features of the proven mini-DeDuster® Series. The product inlet has an integrated agitator to reduce "bridging" and the Venturi design maximizes dust removal performance and minimizes carryover of good product into the dust collector. It operates with compressed air supplied directly from the plant air supply instead of from a separate fan.

Inside the unit, the compressed air is split into two air streams for optimal removal of dust and streamers, and an ionizer is used to release the electrostatic bond between the pellets and the dust. The cleaning air blows the removed fines and streamers into two mini-cyclones, which separate them from the air. The separated contaminants are collected in a clear dust collection box and the cleaned air is filtered and released to the atmosphere. For creation of a negative pressure in the entire device, outside air is pulled in through a filter-protected opening.

1. Untreated product inlet

2. Compressed air supply

3. Cleaned product outlet 

4. Fresh air inlet (filtered)

5. Dirty air to dust collector assembly

6. Dust/streamer container 

7. Air outlet (filtered)

Installation requirements:

The C-20 DeDuster® can be easily installed on an -injection molding machine. A vacuum loader with a flapper that closes while the vacuum is engaged may be used to feed material to the DeDuster®. The flapper is necessary to isolate the DeDuster® from any pressure or vacuum which ensures unrestricted product flow into the inlet chute of the DeDuster®. When using a vacuum loader without a flapper, a transition hopper between the loader discharge and the DeDuster® is -required. The C-20 has a built-in metering device that can be easily adjusted to control the flow rate of the product for optimal cleaning performance and to suit the needs of the application. 

To ensure that the DeDuster® is not flooded with -product, a level sensor must be installed on the sight glass below the DeDuster® outlet. The output signal from the level sensor is sent to the loader control to -interrupt the feeding mechanism until the -proper fill level is reached again.

1. C-20 DeDuster® 

2. Vacuum loader

3. Transition hopper

4. Sight glass 

5. Level sensor

6. Loader control

Easy maintenance:

Maintenance for the C-20 DeDuster® is simple and -requires no tools. The snap-on dust container is easily removed for cleaning. The outlet air filter cover is -attached with a thumb screw and the replaceable -filters are held in place with magnets.

1. Cyclone

2. Dust container

3. Outlet air filter

4. Outlet air filter cover