Dehumidifying Dryer

MDRⅡ series

Thorough dehumidifying drying improves defect rate

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MDR2_mini

MDRⅡ series, Dehumidifying Dryer

Model W(mm) H(mm) D(mm)
MDRⅡ-15F(-HG)         760 1696 523
MDRⅡ-25F(-HG) 760 1845 523
MDRⅡ-50F(-HG) 830 1965 523
MDRⅡ-75F(-HG) 830 2245 523

 

View Product Catalog PDF

Thorough dehumidifying drying contributes to stable molding quality and reduced drying and setup time

Stable molding quality by thorough dehumidifying drying

points01-01-1
Low dew point of -45°C. Moisture-removed air controls hydrolysis & stabilizes strength

Material purge valve is standard at the discharge section to prevent material from remaining in the hose during material transport. (Empty feed time can be adjusted)

points01-02-1

Dew-point checker

The dew point checker is now equipped in the front of the unit so that the air dryness can be easily checked during the periodical maintenance.

Removes water and prevents air bubbles and silver streaks that cause appearance defects, as well as contamination by foreign matter.

Deteriorated honeycomb can cause contamination (foreign matter), and replacing honeycomb takes time. MDRII uses a membrane dryer (polymer membrane type) for the drying section. It is very economical and has a long life of more than 7 years. Replacement is also easy.

 

  • Honeycomb type: A type that produces dry air by baking drying material on ceramic paper to form a honeycomb shape.
  • Polymer membrane type: A type that uses a polymer membrane to separate moisture from compressed air and provide dry air.
points01-03-1

Minimizes dimensional error and stabilizes moisture content

There is a significant difference in drying accuracy between MDRⅡ and Hopper Dryer.Stabilized moisture content minimizes dimensional errors in molded products.

 

In addition, dehumidifying drying to moldable moisture content is possible approximately 2 hours faster than with hot-air dryers. This contributes to increased productivity.

MDR2グラフeng (1)

Helical Hopper Specifications

Improves defects by thorough dust removal.

  • Resin material is separated into "powder" and "material" by the spiral airflow and agitation airflow generated in the hopper.
  • This equipment thoroughly removes dust.

Structure and Principle

While rotating the resin material transported in a fixed quantity in the hopper, the fine powder contained in the resin material is collected from the air suction port at the top of the hopper to the collector side.

 

At this point, agitation air is sent from the bottom of the hopper, and the resin material is fed back into the hopper by the delivered air and the fine powder adhering to the surface of the resin material is repeatedly removed.

Features

  1. The hopper collects the dust in the material conveying line and keeps the occupying space to the minimum.
  2. The air swirls in the hopper to isolate and collect the pellet dust efficiently.
    (The hopper is also usable for quick mixing of crushed materials.)
  3. Upper filter shape and size are changed. Achieves the best dust collection.

Other features

Improve productivity by making maintenance easy

Maintenance (cleaning time, etc.) is reduced by 50% compared to conventional models

  • No tools are required, and daily cleaning that occurs with material changes, etc., can be easily performed.
  • The drum and lid parts can be opened to expose all the parts, making it easy to see at a glance where cleaning is needed.
  • This contributes to shorter cleaning and setup times.

Other features that contribute to increased productivity

Material level gauge (standard)

 

The position of the material level gauge is adjustable to optimize.

In the case of small-volume production, the work of removing remaining material after the end of production is eliminated, which reduces setup and changeover.

function03-1

Ring blowers for long-distance conveying (standard specification)

 

All models are equipped with a 2 hp ring blower as standard.

Long-distance conveying is possible in factory environments where dehumidifying dryers cannot be placed near molding machines.

Closed conveying (optional)

 

 

Closed conveying, in which conveying is performed in a sealed condition, eliminates air intake and shuts out moisture absorption from the outside air. More thorough drying is possible.

Closed conveying, in which conveying is performed in a sealed condition, eliminates air intake and shuts out moisture absorption from the outside air. More thorough drying is possible.

Total Link provides integrated control of settings, startup, and monitoring of peripheral equipment

 

  • Using HARMO's Traverse, batch setting, startup, and monitoring of peripheral equipment can be performed in a batch.
  • For example, a take-out robot can be used to set peripheral equipment placed outside the clean room.
  • There is no need to leave the clean room to change temperatures, etc. This contributes to improving productivity by saving time and preventing human error by reducing the operator's workload.
除湿乾燥ユニットMDRIIとトータルリンク (1)

Product video

HARMO's Webinar|Why don’t you replace dryers for dehumidifying dryers and solve your problems?

Do you have any of these problems with appearance defects or silver streaks in molded products?

  • Appearance defects of low gloss and white spots with transparent products
  • Appearance defects such as "uneven color" of white or colored molded products
  • Contamination; an indirect cause of black spots is mixed
  • Appearance defects of bubbles and silver streaks
  • Insufficient strength and reduced impact resistance due to hydrolysis
  • Changing defect rate of products caused by weather and moisture.
  • Trouble with appearance defects caused by air bubbles and silver streaks
  • Want to improve the defect rate of injection molded products

 

HARMO's dehumidifying drying unit, MDR II, can solve this problem.

The key to improving the appearance of molded products is not a hot-air dryer but a dehumidifying dryer.

 

HARMO's " dehumidifying drying unit, MDRⅡ improves the problem of moisture and fine particles that are the remote cause of appearance defects through thorough dehumidifying drying and removal of fine particles.

 

Rotating separation and agitation are performed in the hopper by air to repeatedly remove fine particles attached to the surface of the resin material. The fine particles that cause molding defects are removed cleanly and the molding quality is stabilized.

Dehumidifying dryer, MDRII-HARMO
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Product Specifications

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Chemical fiber
, Cellulose fiber
Chemical fiber
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Helical φ38 /φ50, Standard φ38
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※1. Varies depending on the supply air condition.

※2. The capacity(ℓ) is based on the 0.6 apparent specific gravity of the ABS virgin pellet.

※3. For 50K standard type, 50 or 100 G Hopper can be selected, and for helical hoppers, HG50 or HG100 can be selected.

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MDRⅡ series

  MDRⅡ-15F(-HG) MDRⅡ-25F(-HG) MDRⅡ-50F(-HG)  MDRⅡ-75F(-HG)
Dehumidifier dew point (°C) -45 or less ※1 -45 or less ※1 -45 or less ※1 -45 or less ※1
Dehumidification method Polymer separation membrane method Polymer separation membrane method Polymer separation membrane method Polymer separation membrane method
Drying temperature (℃) 80~150 80~150 80~150 80~150
Drying blower air volume (50/60Hz) (m3/min) 3.2/3.7 3.2/3.7 6.4/7.1 9.5/10.6
Drying blower static air pressure (50/60Hz) (KPa) 0.4/0.61 0.4/0.61 0.63/0.91 0.91/1.3
Drying blower motor output (kw) 3 phase 0.05 3 phase 0.05 3 phase 0.05 3 phase 0.05
Drying heater (kw) 2.0 3.0 5.4 5.4
Drying hopper (material: SUS) maximum stocking capacity *1 (ℓ) 25(15kg) 42(25kg) 83(50kg) 125(75kg)
Drying hopper (Material: SUS) Adjustment range *1 (ℓ) 17~25
(10~15kg)
25~42
(15~25kg)
42~83
(25~50kg)
42~125
(25~75kg)
Conveying blower Air volume (50/60Hz) (m3/min) 3.5/4.2 3.5/4.2 3.5/4.2 3.5/4.2
Conveying blower static air pressure (50/60Hz) (KPa) 15.0/20.0 15.0/20.0 15.0/20.0 15.0/20.0
Conveying blower electric motor output (kw) 1.5/1.75 1.5/1.75 1.5/1.75 1.5/1.75
Required compressed air pressure (MPa) 0.5 or more 0.5 or more 0.5 or more 0.5 or more
Air consumption (standard mode) (ℓ/min) 85 125 170 215
Air consumption ( eco mode ) (ℓ/min) 51 75 102 129
Circulation side filter material Cellulose fiber
Chemical fiber
Cellulose fiber
Chemical fiber
Cellulose fiber
Chemical fiber
Cellulose fiber
Chemical fiber
Circulation filter filtration performance (μ) Equivalent to 10 Equivalent to 10 Equivalent to 10 Equivalent to 10
Transport side filter material Cellulose fiber
Chemical fiber
Cellulose fiber
Chemical fiber
Cellulose fiber
Chemical fiber
Cellulose fiber
Chemical fiber
Circulation filter filtration performance (μ) Equivalent to 10 Equivalent to 10 Equivalent to 10 Equivalent to 10
Hose diameter Air suction pipe diameter (mm) Standard φ38
Helical φ38 /φ50
Standard φ38
Helical φ38 /φ50
Standard φ38
Helical φ38 /φ50
Standard φ38
Helical φ38 /φ50
Hose diameter Material suction pipe diameter (mm) φ38 φ38 φ38 φ38
Conveying hopper on dryer side Effective capacity (ℓ) 3.5 3.5 3.5 3.5
Power supply voltage (V) Three-phase AC200
(50/60Hz)
Three-phase AC200
(50/60Hz)
Three-phase AC200
(50/60Hz)
Three-phase AC200
(50/60Hz)
Rated current (A) 18 17 25 25
Power consumption (kw) 3.55/3.8 4.55/4.8 7.05/7.3 7.2/7.45
Temperature controller Control method PID control PID control PID control PID control
Temperature controller Sensor input type  K(CA)  K(CA)  K(CA)  K(CA)
Conveying hopper ( standard specification ) on molding machine side Hopper type *2 G Hopper 50 G Hopper 50 G50 / G100 G Hopper 100
Conveying hopper ( standard specification ) on molding machine side Capacity (ℓ)  1.7 1.7 1.7 / 7 7
Conveying hopper (Helical specification) on molding machine side Hopper type *2 HG50
Helical Hopper
HG50
Helical Hopper
HG50 / HG100
Helical Hopper
HG100
Helical Hopper
Conveying hopper (Helical specification) on molding machine side Capacity (ℓ) 4.9 4.9 4.9 / 5.6 5.6
Weight (kg) 168 175 189 195
  MDRⅡ-15F(-HG) MDRⅡ-25F(-HG) MDRⅡ-50F(-HG)  MDRⅡ-75F(-HG)

※1. Varies depending on the supply air condition.

※2. The capacity(ℓ) is based on the 0.6 apparent specific gravity of the ABS virgin pellet.

※3. For 50K standard type, 50 or 100 G Hopper can be selected, and for helical hoppers, HG50 or HG100 can be selected.

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About us

We produce take-out robot and the related peripheral equipment as the comprehensive manufacturer in injection molding market. We suggest the best solutions to solve the problems that the customer have such as automation, labor saving, productivity improvement, production-defects reduction and stable quality. Please rely on us about the problems in Injection molding process.

Company name

HARMO Co., Ltd.

Business Activities

Development, manufacture and sales of industrial robots (automated pick-up equipment for injection molded parts) and streamlined auxiliary machines for plastic molding machine

Address

4124-1 Minamiminowa-mura Kamiina-gun Nagano, Japan 399-4595

Phone

+81-265-73-8820

International Marketing Department

  • Address 4124-1 Minamiminowa-mura Kamiina-gun Nagano, 399-4595
  • TEL : 0265-73-8820
  • FAX : 0265-73-8964
  • E-mail : kaigai@harmo-net.co.jp

 

  • Sales Office (Subsidiary) Singapore, Malaysia, Thailand, Vietnam, Indonesia, Shenzhen, Shanghai, America
  • Factory Suzhou

Sales Office (Subsidiary)

img_global_networks@2x

 

SINGAPORE

HARMO CO.,(SINGAPORE) PTE., LTD.

23TAGORE LANE #01-03 TAGORE 23 WAREHOUSE

SINGAPORE 787601

  • TEL : +65-6481-1764
  • FAX : +65-6481-6130
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INDONESIA

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  • E-mail : hiro-tsuchiya@harmo-net.co.jp

MALAYSIA

HARMO CO., (MALAYSIA) SDN. BHD.

LOT 0034, KOMPLEKS SENTRAL No.33, JALAN SEGAMBUT

ATAS 51200 KUALA LUMPUR MALAYSIA

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Penang Office

HARMO CO., (MALAYSIA) SDN. BHD.

No.10, GROUND FLOOR JALAN PERAI JAYA 6, BANDAR BARU

PERAI JAYA, 13700 PERAI PENANG MALASIA

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  • E-mail : t_osaki@harmo-net.co.jp

THAILAND

HARMO (THAILAND) LTD.

410/71-72 SOI RATCHADAPISEK 24,RATCHADAPISEK RD., SAMSENNORK,HUAY-KWANG, BANGKOK 10310

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  • FAX : +66-2-541-4286
  • E-mail : t_nakazawa@harmo-net.co.jp

SHENZHEN

HARMO MACHINERY (SHENZHEN) CO., LTD.

Room 8213, JinBao business building, 15 Shun Feng Road, 44 District,AnLe Community, Xin’an street, Baoan District, Shenzhen. China

  • TEL : (+86) 755-88868177
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SHANGHAI

HARMO MACHINERY (SHANGHAI) CO., LTD.

Room 805, North Tower,Guanghua Building, 870 Maotai Road, Changning District,Shanghai

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Room 1005, Gugeng International Hotel, No.138, Jinma Road, Dalian P.R. China 116600

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Room 323,Yunhan Building,No.185,Qinjian Road,Hongqiao District,Tianjin 300130

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Room B415, Xinxinjingdi Building, No.396, Jiahe Road, Huli District, Xiamen

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VIETNAM

HARMO VIETNAM CO.,LTD

Apartment No.B2 military collective, Phu Thuong Ward, Tay Ho District, Ha Noi, Viet Nam

  • TEL : +84-24-6664-1028
  • FAX : +84-24-6664-1029
  • E-Mail : harmo@vnn.vn 

HOCHIMINH Office

Harmo America inc.

2675 American Lane Elk Grove Village IL 60007

SUZHOU

HARMO (SUZHOU) CO., LTD.

NO.15 XIANGPU ROAD, SHENGPU TOWN, SUZHOU INDUSTRIAL PARK, SUZHOU

Global agency

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Korea

HANSE KOREA Co., Ltd.

#503,DAERUNG TECHNOTOWN 7CHA,489-11 GASAN-DONG,GEUMCI-KU,SEOUL,KOREA

Philippines

NPI Machinery Inc

5th Floor Orcel II Bldg. 1611 Quezon Avenue, West Triangle, Quezon City, 1100 Philippines

  • TEL: (632)926-7479
  • FAX: (632)920-3096

Taiwan

XIN JU AUTOMACHINE CORP.

NO.25,Changchun 6th Rd., Zhongli Dist., Taoyuan City 320, Taiwan(R.O.C)

  • TEL:886-3-4623797
  • FAX:886-3-4622397 

Australia

Cam-Plas Machinery Pty. Ltd.

2/30 Catherine Street, Coburg North, VICTORIA, Australia, 3058

  • TEL: +61-3-9355-7099

New Zealand

TCL Hunt Limited.

7 Fisher Crescent Mount Wellington Auckland 1060 PO Box 132-166 Sylvia Park Auckland 1644 New Zealand

Brazil

Hercx Representação de Máquinas e Equipamentos Plásticos Ltda

Alameda Princesa Isabel, 654 – São Bernardo do Campo – São Paulo, CEP 09771-110, Brazil

  • TEL: +55 11 2677-3040
  • MOBILE: +55 11 99898-6066
  • E-mail: hercules@hercx.net

Mexico

Otakara PLASTICOS

Jeronimo Trevino 3835 Col. Lopez Portillo Guadalajara, Jalisco, Mexico C.P. 44980

Israel

Multipack

3, Derech Hyam St. P.O. Box 376 81103 Yavne Israel

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Italy

STAGE TECHNOLOGIES

ST.A.TE Technologies Srl Vail Vailate 15 / A、24040-Calvenzano(BG)

Poland

HARMO REPRESENTATIVE POLAND & EAST EUROPE

ul. Kazimierza Pułaskiego 2 64-600 Oborniki

Turkey

Aksoy Plastik ve Makine San. Tic. Ltd. Sti.

Küçükyalı İş Merkezi Girne Mah. Irmak Sok. E Blok No.4/Maltepe/İSTANBUL/TURKEY

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  • E-mail: info@aksoymakine.com

INDIA

KANEHIRO YANTRA PRIVATE LIMITED

Flat No 22, krishna Apartment, No.59, 1st Avenue, Ashok Nagar, Chennai – 600 083, Tamil Nadu, India.