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Lens dust Filtration Unit

Waste collection capacity Tank capacity Filtration effciency Power supply Power consumption Dimensions / Weight Standard accessories

Optional accessories

Centrifugal Filtration System Auto operation mode Manual operation mode Max 2.7 liters 10.0 liters *1 85% or more *2 AC 100 to 120 / 200 to 240 V (Âą10%), 50 / 60 Hz 330 VA (Max) 444 (W) x 357 (D) x 464 (H) mm / 24 kg or less 17.5(W) x 14.1(D) x 18.3 (H) " / 52.91 lbs. Processing unit connection cable 1 set Processing unit connection hose 1 set Waste bucket 10 units Waste bucket removal jig 1 unit Round filter 5 units Filtration bag 1 unit Exhaust nozzle 1 unit Operator's manual 1 volume Installation manual 1 volume Connection kit *3

35 7

System Mode

464

Lfu 220 Specifications

444

Dimensions (mm)

*1 Filled up Max position. *2 Depends on lens materials and process condition of edger. *3 The contents differ depending on the lens edger to be connected.

All LCD images are simulated. Specifications and design are subject to change without notice for improvement.

HEAD OFFICE 34-14 Maehama, Hiroishi Gamagori, Aichi, 443-0038, Japan Telephone : +81-533-67-6611 Facsimile : +81-533-67-6610 URL : http://www.nidek.co.jp [ Manufacturer ]

TOKYO OFFICE (International Div.) 3F Sumitomo Fudosan Hongo Bldg., 3-22-5 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan Telephone : +81-3-5844-2641 Facsimile : +81-3-5844-2642 URL : http://www.nidek.com

NIDEK INC. 47651 Westinghouse Drive Fremont, CA 94539, U.S.A. Telephone : +1-510-226-5700 : +1-800-223-9044 (US only) Facsimile : +1-510-226-5750 URL : http://usa.nidek.com

NIDEK SOCIETE ANONYME Europarc 13, rue Auguste Perret 94042 Creteil, France Telephone : +33-1-49 80 97 97 Facsimile : +33-1-49 80 32 08 URL : http://www.nidek.fr

NIDEK TECHNOLOGIES SRL. Via dell'Artigianato, 6 / A 35020 Albignasego (Padova), Italy Telephone : +39 049 8629200 / 8626399 Facsimile : +39 049 8626824 URL : http://www.nidektechnologies.it

CNIDEK 2009 Printed in Japan Lfu 220 NRDGMK 1


Lens dust Filtration Unit Lens dust Filtration Unit

Environmentally Friendly & Cost Efficient Caring about people and the environment Caring about people and the environment The new new generation generation "Filtration “Filtration System" System” for for lens lens edgers edgers The The new generation "Filtration System" for lens edgers

In every sector, environmental issues areare a concern worldwide. Nowadays, while environmental issues concerned and attract great attention, An improved method for the disposal of lens edger processing waste isisattention, in demand. the improvement of disposal method ofare lens edgers processing waste strongly Nowadays, while environmental issues concerned and attract great With NIDEK’s ownNIDEK's leading technology “Hybrid System”, waste and water are demanded. With own leadingof technology "Hybrid System" which separates the improvement of disposal method lens edgers processing waste is strongly separated in an easy to use, compact design, and water consumption is greatly the processing waste and water, a comfortable use, water consumption reduction demanded. With NIDEK's own leading technology "Hybrid System" which separates reduced. This design saves money while asimultaneously saving theconsumption earth. and compact are achieved. The policy of use, environmental awareness will the processing waste and water, comfortable water reduction even increasedesign the impression of retail and compact are achieved. Theshops. policy of environmental awareness will even increase the impression of retail shops.

Comfortable Use n Ease of Use

The processing waste should be disposed Lens waste should be disposed of after after normal processing of approximately processing 100 lenses.waste 100 lenses. approximately Disposing the processing Disposing waste is very easy byitsimply is very easythe work by just replacing from emptying settling Thewaste waste its settled the bucket. The bucket. processing is condensed condensed into into a a single single dewatered solid mass cake is which can be disposedkeeping of easily, keeping to be easily disposed, the the surroundings and operator’s hands surroundings and operator's hands clean. clean. Please follow the local regulations according to your ((Please follow your local city and county regulations belonging government when disposing processing waste. ) when disposing waste.)

Compact Design n Compact Design

The Lfu 220 can be stored inside The exclusive Lfu 220 can stored inside the lensbeedger table any lens occupying edger cabinet without any without space occupying space than the more than more the lens edger uses. lens lens edger’s size. The lens edger The edger deodorizer deodorizer LED-200 option can LED-200 option can also alsostored be stored together inside be together inside the table. cabinet. the

Water Conservation n Water Conservation

A remarkably large amount of water consumption is A remarkably large amount ofmethod, water consumption saved compared to the former considering is reduced to and traditional methods, the nature compared environment eco-friendly. making it eco-friendly.The The use of chemical bubble decreased deformer istemperature unnecessary. maintains the high-quality polish, foaming is Cooling water is kept clean to protect the processing eliminated, therebyand there is no the need to edger add a inner lens from scratches to keep lens chemical defoamer to the tank. chamber clean. Amount of of water water consumption consumption per per lens lens Amount Lfu 220 220 Lfu

0.025 R R of water consumption per lens Amount 0.025 0.2 R R 0.2 0.025 R

Pump & & Tank Tank Pump Lfu 220 Direct water water *1 *1 Direct Pump & Tank

0.2 R

Direct water water Direct Direct water *1 (generally) (generally)

4.4 R R 4.4

13.5 R R 13.5

4.4 R

13.5 R

55

10 (R) (R) 10 (Value refering refering to to company company test test results.) results.) (Value 10 (R)

00 Direct water (generally) *1) Lex 1000, 1000, Le Le 1000, 1000, ME-1000 ME-1000 *1) Lex 0

5

(Value refering to company test results.)

*1) Lex 1000, Le 1000, ME-1000

n Newly Newly Developed Developed “Hybrid "Hybrid System” System" The Lfu 220 features NIDEK’s original “Hybrid System” The Lfu Newly 220 features Developed NIDEK "Hybrid original "Hybrid System" System" combiningwith centrifugal and and filtration methods. combined centrifugal filtration methods. The Lfu 220 features NIDEK original "Hybrid System" Theapplying advantages of both methods applied to the lens By advantages of both methods, combined with centrifugal and filtration methods. finishing process extends the maintenance intervals. simultaneous dewatering processes are performed By applying advantages of both be methods, Therefore, water needs to maintaintank circulating waterto clean.replaced and/or simultaneous dewatering processes are performed cleaned less frequently. to maintain circulating water clean.

n Ergonomic Ergonomic Design Design Status functions indicate via the LED lights the Notification functions are available. LED lights indicate Ergonomic Design

number of processed lenses, amount ofof collected the number of processed lenses amount collected Notification functions are available. LED lights indicate processing waste and the disposing time. An alarm processing waste and the disposing time is notified by the number of processed lenses amount of collected communicates the time are to dispose oflinked lens asound buzzer sound. Easy operation perfectly processing and the disposing time is notified by waste. Easywaste operation with NIDEK lens edgers.are perfectly linked with NIDEK alens buzzer sound. Easy operation are perfectly linked edgers. Safety functions are placed to each function. with NIDEK lens edgers. Safety functions are placed to each function.

n Water WaterTank Tank The filtration process eliminates lens scratching while Replace the water after normal processing of 1,000 keeping the lens edger grinding chamber clean. The unit’s *2 lensesonly perneeds 10 liters. water to be replaced every 1,000 lens cycles per 10 liters. processing The amount waterreplacement consumption lens with *2)When glassoflenses, timeper of the water theshould Lfu 220 estimated to be .025 processing. liters versus 13.5 liters be is earlier than when normal with direct water.

Note: When processing glass lenses, the water needs to be replaced more frequently.

Water Temperature Stability n Water Temperature Stability

While continuous lens processing, the water During continuous lens processing, the water temperature is restrained as water flow has a temperature is stabilized as water flow has accuracy a cooling effect. This provides a reliable size cooling effect. This provides a increased size and a stabilized finishing. accuracy and a stabilized finishing. Water temperature temperature when when processing processing continuously Water Amount of water consumptioncontinuously per lens (˚C) (˚C)

Water temperature when processing continuously 40 40

(˚C)

40

Pump & & Tank Tank Pump

30 30

Pump & Tank Lfu 220 220 Lfu

30 20 20

Lfu 220

20 0 0

50 50

0

50

Process 100 ((Process count ) 100 count )

(Value refering refering to to company company test test results.) results.) (Value 100 (Process count ) (Value refering to company test results.)

Lfu 220 brochure