6841_hhq_chipper 12.11.2002 10:10 Page 1

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The HHQ-Chipper™ with horizontal infeed is wellsuited for any log length from shortwood up totreelength.The unique chipping geometry and optimizedcutting speed produces thin and square shapedchips, ideal for modern cooking and/or refiningprocess.

Horizontal log infeed through a large horizontalspout with controlled conveyor speed keeps thelogs stable and correctly oriented during the entirechipping process. This minimizes the production ofoversize chips, thus producing uniform chip sizes.

The discharge section allows the chips to gentlydischarge from the side, without mechanicalimpacts, which minimizes the production of pinsand fines. The direction of chip discharge can besuited to different layout arrangements.

The large hatch and integrated tools for knifechange allows for easy and ergonomicmaintenance.

The rugged, modular design contributes to thetotal economy of the HHQ-Chipper™.

The chipper is the most important single machine inthe woodyard since chip quality is produced by thechipper. From our full range of chippers, includingboth gravity and horizontally fed chippers, you canfind the unit which best suits your chipping needs.

The horizontally fed HHQ-Chipper™ is

designed to produce the highest quality chips

at all capacity levels from today’s varying

wood supply. The HHQ-Chipper™ features:

• High chip quality due to advanced

chipping geometry

• High capacity ensured by simultaneously

chipping several logs

• Minimum fines and pins generation

• Outstanding runnability due to negligent

disturbance in chipper feed

• Reliable operation and easy maintenance

• Flexibility for changing process needs and

chip size requirements

HHQ-Chipper™

US

Model S M L XL XXL

CapacityChip lengthDisc diameterSpout widthNumber of knivesRotation speed

LowMediumHighRated powerMoment of inertia JTotal weight excl.motorDimensions

ABC

m3 sub/hmmmmmm

rpm

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50-200

23285906,8,10

3483834214x200350012500

400030403500

125-300

27587208,10,12

2923163484x250820018500

455033753915

150-35014-3430468558,10,12

2652923164x3151370023500

485036154190

250-400

336085514,16

2262492744x3152150030500

505038004530

150-350

336097510,12

2492652924x4002200031000

505038004530

Model S M L XL XXL

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CapacityChip lengthDisc diameterSpout widthNumber of knivesRotation speed

LowMediumHighRated powerMoment of inertia JTotal weight excl.motorDimensions

ABC

20-40 50-125 60-150 100-170 60-1509/16 – 1 11/32

woodprocessing@andritz.com

SWEDEN:

ANDRITZ ABWOOD PROCESSINGP.O. Box 29SE-89121 Örnsköldsviktel. +46 660 29 53 00fax +46 660 29 53 99

USA:

ANDRITZ Inc.WOOD PROCESSING10745 Westside ParkwayAlpharetta, GA 30004tel. +1 770 640 2500fax +1 770 640 9454

CANADA:

ANDRITZ Ltd.WOOD PROCESSING3339, rue Griffith St.Ville St-LaurentQC H4T 1W5tel. +1 514 738 3707fax +1 514 731 9422

BRAZIL:

ANDRITZ Ltda.WOOD PROCESSINGRua TabapuaNo 627-9° Andar -cjt 92CEP 04533-012 São Paulo -SPtel. +55 11 3168 6114fax +55 11 3078 5098

FINLAND:

ANDRITZ OyWOOD PROCESSINGKeskikankaantie 9FIN-15860 Hollolatel. +358 20 450 5555fax +358 20 450 6711

WOOD PROCESSING

HHQ-Chipper

The horizontally fed chipper

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6841_hhq_chipper 12.11.2002 10:10 Page 2

High chip quality at high capacity

Chipper infeed with a horizontal chain or beltconveyor ensures controlled infeed speed andcorrect log orientation under all circumstances.The geometry of the infeed spout permitssimultaneous chipping of several logs along theentire width of the bed knife, which is a require-ment for producing high quality chips at highcapacity levels.

The logs are very stable during chipping, whichcontributes to consistently uniform chip sizedistribution and a very low percentage of oversizechips under all operating conditions.

The number of knives and cutting speed are opti-mized. This, in combination with the gentle sidedischarge, results in minimal production of pinsand fines.

Quality chips for quality pulping

The infeed and chipping geometry of the HHQ-Chipper™ results in thin and square chips, whichare optimal for cooking or refining processes.

Thin and uniform chips with a high amount ofaccepts result in high raw material yield andexcellent pulp strength.

For mechanical pulping, thin chips require lessenergy for the refining process at a given pulpfreeness.

The HHQ-Chipper™ combines the

advantages of both horizontal feed

chipping technology and our latest

innovations in pulpwood chipping.

By taking our modular HQ-Chipper™,

with its unique chipping geometry, and

tilting it downward, we have created the

horizontally fed HHQ-Chipper™. This

chipper produces chip quality that is

superior to anything that we have

previously seen.

HHQ-Chipper™

Flexibility with modular design

The HHQ-Chipper™ is designed with flexibility in mind.You can install or change the chipping parameters tosuit the requirements of your pulping process. The mainfeatures of the modular design are:

Chipper geometry:• A unique system for fast chip length adjustment• Different disc speed / chipper knife combinations for

various process needs

Knife systems:• HQ-Plus™ knife system with service agreement• Face mounted knives• Insert knives

Drive alternatives:• Four motors with one gear reducer• One synchronous motor• One or two squirrel cage motors with gear reducer

Outstanding runnability - high availability

Your operators will appreciate the horizontal feed. Theunique infeed system design evens out the wood flowto the chipper which, together with a large infeedopening, cuts unscheduled downtime to a minimum.

Chipping across the entire width of the bed knifereduces localized wear of both the bed knife and thechipper knives, thus giving longer service intervals.

The design of the chip slot eliminates jams andshortens the time required for knife changes.

Durable and easy to maintain

A large, ergonomically designed access hatch allowsfor simple and quick knife changes.

Well-planned maintenance methods and integratedtools enable easy adjustment and change of the bedknife.

All areas of the chipper in contact with wood areprotected by replaceable wear surfaces, reducingmaintenance downtime.

All service points at the infeed section are very easyto access.

Chip quality improvements through single log layer chipping.

Horizontal log infeed with gentle side discharge to a screw hopperplaced above floor level.

Conventionalhorizontally fed chipper

HHQ-Chipper™

HQ-Plus™ is a knife system and a full chipper serviceconcept. The knife system includes a lightweight, regrindableknife and the QuickClamp system, allowing rapid knifechange, thus increasing productivity.

The service agreement includes all consumption parts of thechipper, guaranteed in-stock spare parts and continuousservice for your chipper as a whole, ensuring high chip qualityand reliable performance of the chipper at all times.

The HHQ-Chipper™ is available with either a one, two or four motordrive. Multi-motor operation reduces the total installed power andalso the cost for a spare motor.

HHQ-Chipper™ with HQ-Plus™ knifesystem.

The infeed system for HHQ-Chipper™ evens out thecapacity and ensures high uptime.