Magnetic Cross Belt Separator (Self Clean Type)

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Description

Cross Belt Magnetic Separators provide a true self cleaning industrial magnetic separator systems solution, for continuous separation of ferrous particles from material flowing on conveyors. These separator system uses a high strength overhead suspended plate magnet housed in a severe duty industrial conveyor operating in an inverted position.

Features:

  • Self Cleaning Magnetic Conveyor Belt Separator
  • High Strength, Concentrated deep magnetic field
  • Rugged, 100% duty cycle design and construction
  • Low maintenance, easy installation and operation
  • Operates in hazardous environments
  • High efficiency means energy cost savings
  • Special magnet features and options:
    • Easy inspection and access spaces for internal part of the equipment
    • Trolley suspension and cable suspension options available.
    • Belt alignment by simple plummer block arrangements
    • 2-Pulley construction
    • Custom paint work available

Models and Dimensions:

CBS-drawing

Medium intensity Permanent Magnetic Cross Belt Separator: Strontium Ferrite Magnets
Model No. Length A (mm) Height B (mm) Width c (mm) Magnet Type Magnetic Strength (450 Gauss) at distance Geared Motor (KW) Weight (Kg) Effective Conveyor Width Allowed(mm)
CPM 50F 1722 1194 511 Ferrite @150 2.2kw 691 500
CPM 65F 1872 1344 511 Ferrite @200 2.2kw 936 650
CPM 80F 2022 1494 511 Ferrite @250 2.2kw 1151 800
CPM 100F 2222 1694 511 Ferrite @250 2.2 Kw 1541 1000
CPM 120F 2422 1894 511 Ferrite @250 2.2 Kw 1833 1200
High Intensity Permanent Magnetic Cross Belt Separator: NdFeB (Rare Earth) Magnets
Model No. Length A (mm) Height B (mm) Width C (mm) Magnet Type Magnetic strength (700 Gauss) at distant Geared Motor Weight (Kg) Effective conveyor belt width allowed (mm)
CPM 50 1722 1194 511 Rare earth @150 2.2kw 665 500
CPM 65 1872 1344 511 Rare earth @200 2.2kw 840 650
CPM 80 2022 1494 511 Rare earth @250 2.2kw 1034 800
CPM 100 2222 1694 511 Rare earth @250 2.2kw 1370 1000
CPM 120 2422 1894 511 Rare earth @250 2.2kw 1670 1200

Construction:

  • Magnetic System: CAD optimized Strontium Ferrite Ceramic or Rear Earth Permanent Magnetic system is mounted onto heavy-duty back plate and encased in stainless steel to obtain maximum magnetic flux across the flowing material underneath
  • Electric Drive: Shaft mounted worm geared motor unit, fitted with IP54 electric high performance Non Geared Motors, connected to drive pulley via a flexible coupling. Power Supply : 440 V, 3 ph, 50 Hz
  • Separator Belt: Heavy Duty 3-ply rubber belt 10.5mm in thickness, (4mm rubber anti-wear rubber on the upper, 1.5mm thick anti-wear rubber on lower, 4 plies of high-quality thread at the center). These belts have been vulcanized endless and travel at a speed of 1.5 m/s
  • Bearings: Sealed for life pillow block bearings
  • Pulleys: Fabricated mild steel with crowned face, fitted with slipper plates for ease of belt tension and tracking to increase belt life
  • Guarding: Full length stainless steel guard fitted on the side of the overband to prevent access to nipping points and prevent belt damage due to product entrapment
  • Support Frame: Welded construction provided with eyebolt for customers suspension slings
  • Finish: All steel parts have one coat primer and two coats of high performance alkyd enamel

General Information:

CPM Series Cross Belt Magnetic Separators are used to remove tramp iron from conveyed materials by pulling the tramp upwards through the material against the force of gravity. They are very powerful magnets and are generally suspended above conveyor belts.

Incorporated is a motor-driven magnetic conveyor belt running across the face of the magnet, continuously moving the collected material away from the magnetic field. The removed material falls away from the belt once it leaves the magnetic field, making it a self cleaning suspended magnetic conveyor belt separator.

It must be stressed that overhead magnets are not metal detectors, and they will only operate on magnetic materials. They will not react to authenticate steels or non-ferrous items.

Medium Intensity Permanent Magnetic Cross Belt Separators are used where the material to be separated is large enough to get acted upon by medium magnetic fields from large distances. These separators find ease in picking up large ferrous material from around 200mm depth. However if the material size is smaller and the burden depth is larger, these separators become inefficient.

High Intensity Permanent Magnetic Cross Belt Separators are employed at locations where separation of ferrous material is required from a distance for around 300 mm. This type of separator is useful in picking p bolts and nuts, channels, angles, and metal pieces from distances.

Cross-belt-working

Performance Curve For A Typical Permanent Magnetic Cross Belt Separator

Cross belt field map

 

General experimental tests with M16x50 Bolt Attraction Distance (free state)

Suspended magnet - maximum tramp iron attraction distance chart
Sr. no. Tramp Iron particle Size in mm Weight Maximum Attraction distance in Inches
CPM-50 CPM-65 CPM-80 CPM-100 CPM-120
1 Paper clip 30 mm 0.6 gm 13 13.5 14 14.5 14.5
2 Stapler pin 10 mm 0.016 gm 11 12 14 14.5 14.5
3 Nail DIA 2 X 45 L 1.16 gm 12 13 14 14 17
4 Spanner 8,9 20 gm 12 12 12.5 16 16
5 Spanner 18,19 120 mg 11 12 12.5 16 16
6 Spanner 20,24 200gm 11 11.5 12 15 15
7 Spanner 33,37 500 gm 11 11.5 12 15 15
8 Bolt M10 x 100 L. 50 gm 10 12 13 16 16
9 Bolt M20 x 100 L 250 gm 6.5 8 9 9 9.5
10 Bolt M16 x 60 100 gm 8 10 11 11 12
11 Nut M16 10 gm 6.5 8 9 9.5 9.5
12 Nut M8 5 gm 5 6.5 7 7.5 9
13 Washer OD 17 X ID 9 X 1.5 THK - 5 9 10 10 10.5
15 Round M.S.Piece Dia 23 x 2 THK - 7 7.5 8 12 12
16 Round M.S. Piece Dia 30 x 1.5 THK - 8.5 9.5 10 10 11
17 Std. weight - 500 gm 5.5 6 6.5 7 7
18 Std. weight - 1 kg 6 7 7.5 7.5 7.5
19 Std. weight - 2 kg 7 7.5 7.5 8 8
20 Std. weight - 5 kg 7 7.5 8 9 9
21 M.S.angle 770 L X 80 W X 40 H 1.5 kg 11 13 15 16 18
22 Channel 700 L X 50 W X 50 H 2.64 kg 11.5 14 15 17 18
23 Channel 365 x 20 x 20 - 14 14 14.5 16 16

Industries using Permanent Magnetic Cross Belt Separators:

  • Recycling
  • Mining & minerals
  • Food processing
  • Steelworks & slag processing
  • Ceramic & powder
  • Wood processing
  • Aggregate& quarrying
  • Packaging
  • Power stations
  • Plastic& glass manufacturing
  • Pharmaceutical etc

Why PML?

  • 45+ years of experience in design and development of Permanent Magnets and Magnetic Systems
  • Custom made Magnetic Systems available
  • Excellent after sales service
  • Services such as Magnetic Calibration / Audits are available