 Heavy
Duty Granulators HD-4A
The Foremost Model
HD-4A Heavy duty scrap grinder has been designed specifically for
beside-the-press operation. These machines are constructed of heavy
gauge steel throughout, with the cutting chamber a rigid one piece
weldment.
The rotor is a solid steel casting, and is offset in the cutting
chamber to minimize flyback and noise, while insuring positive cutting
of large or bulky rejects from any thermoplastic materials. Heavy
duty, flange mounted, self aligning ball bearings easily absorb
all grinding shock insuring long maintenance free operation. The
cutting chamber itself is free of any steps or irregularities, providing
the utmost in ease of cleaning.
The scrap bin slides on guides, and is locked in place eliminating
leaking or accidental spilling of the ground scrap material. All
hoppers are reversible so that scrap can be fed to either the front
or the back of the grinder, an important feature in locations with
space limitations.
A wide range of throat sizes and power options insure a Heavy Duty
Granulator sized properly for every molding application.
 Specifications
- Throat Size: 10" x 28"
- Controls: All housed in a NEMA 12 enclosure with fused disconnect
- Rotor: Two-bladed
- 3" bearings
- Power: 2-10 HP TEFC; 2-15 HP TEFC
- Arrangement: Hand feed with manually dumped regrind bin
Options
- Direct drive blower with cyclone
- Gaylord stand
- Vacuum take away stub
- Conveyor hopper
- Sound-deadened construction (Model MS-28)
- Fabricated sound enclosure
- Various screen sizes
- Metal separation systems
- Hopper tray magnets
- Vertical roller feeder assembly
- Third knife block for sheet applications
 Standard
Features
- Offset rotor
- Self-aligning flanged bearings
- Hand feed hopper with access door
- Powered by TEFC single end motor
Applications
- Formed sheet
- Injection molded parts
- Blow molded parts
- Thermoformed parts
 The
drawing shows the cutting chamber of the Heavy Duty granulator series.
Note the extremely rigid mounting of the right angle, self reinforcing
type rotary knives. The knives are backed up by a solid steel rotor,
so that even the heaviest cutting action exerts no strain on the
bolts. This arrangement insures long trouble free operation in the
most difficult cutting applications with no possibility of the knives
lifting from the rotor or losing their clearance setting.
The two bed knives are individually adjustable, and are mounted
against heavy steel knife blocks. Knife adjustment is easily accomplished
by removing the screen and setting the proper clearance on each
bed knife with a feeler gauge.
The design of the cutting chamber, with the rotor offset, insures
positive feeding of large or bulky parts, and eliminates the tendency
of these parts to bounce during cutting. Flyback is minimized and
noise level is reduced since the parts are not thrown against the
hopper due to the cutting action.
The screen is mounted in an almost vertical position whih greatly
facilitates removal for cleaning.
*All dimensions are in inches
*Information on this page subject to change without notice.
For more information on any product, please contact us at sales@foremostmachine.com.
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