Freeze Trim: Cryogenic Deflashing

Freeze Trim: Cryogenic Deflashing

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The Barwell Freeze Trim is a compact time-saving and quality enhancing cryogenic deflashing machine specifically designed to meet the most exacting demands of the rubber, plastics and metal industries. 

  • A multi-material deflashing solution providing complete processing flexibility from one machine
  • A quality enhancing method of deflashing
  • A system which increases productivity due to exceptionally fast running speed
  • An automated cost-cutting method which dramatically decreases operational and labour costs
  • An environmentally-friendly, reliable and simple-to-operate machine

All models are able to process a wide range of materials and products, including rubber parts, O rings, electronic components, medical items and can be used for metal deburring.

How does it work?
Moulded parts are placed into a perforated stainless steel parts basket and then inserted into the blast chamber of the Freeze Trim and the basket is mechanically rotated to expose all parts to the blast media. Liquid nitrogen lowers the temperature while freezing the rubber to make it brittle. The physical properties of the parts are not affected during the deflashing process. A unique high speed impeller directs and throws the polycarbonate media into the rotating basket and by travelling at high speed, the small pellets cleanly trim off the brittle flash leaving a high quality, flash less moulding.

 

Technical Data

BFT10

BFT20

BFT40

BFT140

Refrigerant

LN2 @ 212°C @ 3.5 bar

LN2 @ 212°C @ 3.5 bar

LN2 @ 212°C @ 3.5 bar

LN2 @ 212°C @ 3.5 bar

Media Flow Systems

GN2 or Clean Dry Air @ 2.5 bar

GN2 or Clean Dry Air @ 2.5 bar

GN2 or Clean Dry Air @ 2.5 bar

GN2 or Clean Dry Air @ 2.5 bar

Parts Basket Size (diameter)

250 mm

300 mm

330 mm

610 mm

Parts Basket Size (depth)

250 mm

300 mm

400 mm

480 mm

Powered Door

No

No

Optional

Standard

Basket Standard Perforation

6 mm

6 mm

6 mm

6 mm

Maximum Basket Volume

10 litres

20 litres

35 litres

140 litres

Usable Volume

3 litres

7 litres

12 litres

50 litres

Media Throwing Wheel

100mm dia.

100mm dia.

100mm dia.

150mm dia.

Media Throwing Wheel

Up to 20,000 rpm

Up to 20,000 rpm

Up to 20,000 rpm

Up to 20,000 rpm

Media Type

Polycarbonate

Polycarbonate

Polycarbonate

Polycarbonate

Controls

Omron PLC and Servo Motor with up to 2000 set-ups

Omron PLC and Servo Motor with up to 2000 set-ups

Omron PLC and Servo Motor with up to 2000 set-ups

Omron PLC and Servo Motor with up to 2000 set-ups

Screen

5” TFT Colour Touch Screen

8” TFT Colour Touch Screen

8” TFT Colour Touch Screen

8” TFT Colour Touch Screen

 

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Nhat Minh Equipment & Chemicals Co., Ltd

27/26 H - Hau Giang street - Tan Binh Dist. - Ho Chi Minh city, Viet Nam

Tel: (84-28)39487227 - Fax: (84-28)39480098

Email: sales@nhatminhequipment.vn