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Applications
Neue Herbold LM series granulators are specially designed for the size reduction
of voluminous, thin walled materials. Typical applications are the size reduction of loose film ( in-line edge trims), hollow containers, barrels, crates, PVC pipe
(thin-walled
PE/PP pipe), profile, automotive bumpers, web scrap, injection moulding waste or
thermoforming
scrap etc.
Design
LM series granulators are designed with rotor and stator knives that are counter angled to
each other producing a true scissors type cutting action. This design results in a cleaner
more uniform granulate and reduced heat build up in the granulate. Double angle cut also
reduces noise emissions and energy consumption. All knives are straight sharpening and
require no special knife sharpening fixture. All cutting knives are pre-adjusted to the
proper size gap outside the granulator with the use of the knife setting fixture which
creates a constant gap between rotor blade circumference and screen resulting in reduced
friction and therefore less thermal stress of the material.
Knife changes can be
accomplished 60% quicker and safer then adjusting knives within the
granulator. The
bearings of the rotor shaft are mounted within solid steel housings (not
castings) which
offer more reliable service and eliminate any chance for the housings to crack or break
under heavy shock loads. As opposed to flanged mounted bearings, outboard mounting
prevents dust/fines from fouling the bearing nor grease from contaminating the
granulate.
Outboard mounting provides for a quieter and cooler operation. Improved rotor designs
eliminate any chance for the rotor knives to
lift or loosen during heavy shock loads.
The
knife bolts attach to a removable and replaceable threaded clamp. The rotor flights
nor
the knife carrier are threaded preventing unnecessary drilling and tapping to repair
stripped threads. The completely welded housing is designed with “clam shell“
opening characteristics for ease in maintenance.
Advantages
- reduced space requirement due to compact
design
- energy-saving size reduction
- low noise level due to double-cross cutting
knife configuration
- easy cleaning due to “clam shell opening
characteristics
- reduced down time for rotor and stator knife
replacement due to pre-adjusted knives
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| Type |
A (mm) |
B (mm) |
C (mm) |
D (mm) |
E (mm) |
| Granulator
type LM 300/300 |
810 |
1340 |
1110 |
290 |
500 |
| Granulator
type LM 300/500 |
810 |
1340 |
1310 |
490 |
500 |
| Granulator
type LM 300/800 |
810 |
1340 |
1610 |
790 |
500 |
| Granulator
type LM 300/1000 |
785 |
1760 |
1650 |
980 |
500 |
| Granulator
type LM 300/1500 |
785 |
1720 |
2040 |
1430 |
500 |
| Granulator
type LM 450/600 |
921 |
2150 |
1500 |
578 |
600 |
| Granulator
type LM 450/1000 |
921 |
2230 |
1900 |
980 |
600 |
| Granulator
type LM 450/1200 |
928 |
2260 |
2074 |
1154 |
600 |
| Granulator
type LM 600/1000 |
1180 |
2670 |
2100 |
980 |
710 |
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