MT620HR Horizontal Screen

Overview

The MAGNA MT620HR is a horizontal screen designed for handling large quantities of sticky materials and delivering precise, fine sizing, making it perfect for numerous construction and mining contracts. The MT620HR model features an recirculating swivel conveyor for oversized product. The conveyor is used to return product back to the feeder.


Adjustable elliptical throw combines linear and circular amplitude producing an aggressive screening action. It excels in handling materials such as natural and crushed aggregates, coal, iron ore, and recycled concrete and asphalt.

features

  • High capacity up to 800 tph / 881 US tph (depending on media sizes & material type)
  • Maximum feed size 250mm (10’’)
  • Maximum allowable feed size may vary depending on material type and screenbox media
  • Heavy duty wear resistant feed hopper
  • Quick set-up time
  • Maximum mobility with heavy duty, low ground pressure crawler tracks
  • Optional radio control system available if required
  • High performance hydraulics system
  • Galvanised maintenance platforms on both sides of screen
  • Hydraulically folding for transport
  • Heavy duty, triple shaft horizontal screenbox with adjustable stroke, angle & speed
  • Direct feed hopper with impact bars & rollers
  • Recirculating oversize capacity tailored for crushing applications
  • MAGNA telemetry as standard

applications

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TEchnical specifications

  • 6.1m x 1.93m (20’ x 6’ 4”) (All 3 decks)
  • 3 deck triple shaft horizontal screenbox
  • Oval stroke adjustable up to maximum of 19mm
  • Oval stroke angle adjustable from 30º - 60º
  • Breaker-box with wear resistant steel replaceable wearplate
  • Hi-torque screen motor mounted direct to Screenbox, pulley driven
  • Marshmallow springs
  • Wear plates on pipeunits
  • Side tensioned all decks
  • Quick release wedge tensioning system (optional depending on screen media)
  • Roll-in chute system with removable panels offering blending options between upper midsize & lower midsize

  • Target area: 5.8m (19’) long x 2.55m (8’ 4”) wide
  • Hopper capacity: 4.33m3 (5.67 cu. yd.)
  • Feed in height: 2.82m (9’ 3”)
  • Feed in width (Rear):  2.8m (9’ 2”)
  • Replaceable wear resistant steel panel liners

  • 1300mm (52”) 4 ply plain belt
  • Direct drive system with twin gearboxes
  • Variable speed control
  • Impact bars at inlet impact section
  • Heavy duty belt feeder option available

Underscreen

  • 1500mm (60”) 3 ply plain belt
  • Direct drive system
  • Variable speed control
  • Drum centres: 6.25m (20’ 6”)
  • Drum diameter (drive): 270mm (10.6”)
  • Drum diameter (tail): 270mm (10.6”)

Finesize

  • 900mm (36”) 3 ply plain belt
  • Angle adjustment: 14º - 25º
  • Stockpile height:  4.3m (14’ 1’’)
  • Stockpile capacity:  119m3 (156 cu. yd.)
  • Drum centres: 9.5m (31’ 2”)
  • Drum diameter (drive): 286mm (11.3”)
  • Drum diameter (tail): 203mm (8”)
  • Hydraulically folding
  • Impact bars under feedboot
  • Direct drive system
  • Variable speed control

Mid - Finesize - Side Conveyor

  • 900mm (36”) 3 ply plain belt
  • Angle adjustment: 14o - 25o
  • Stockpile height: 4.4m (14’ 5’’)
  • Stockpile capacity: 129m3 (166 cu. yd.)
  • Drum centres: 8.92m (29’ 3”)
  • Drum diameter (drive): 286mm (11.3”)
  • Drum diameter (tail): 203mm (8”)
  • Hydraulically folding
  • Impact bars under feedboot 
  • Direct drive system
  • Variable speed control

Oversize - Side Conveyor

  • 900mm (36”) 3 ply plain belt
  • Angle adjustment:  14º - 25º
  • Stockpile height:  4.4m (14’ 15’’)
  • Stockpile capacity:  128m3 (167 cu. yd.)
  • Drum centres:  6.9m (22’ 8”)
  • Drum diameter (drive):  286mm (11.3”)
  • Drum diameter (tail):  270mm (10”)
  • Direct drive system
  • Variable speed control
  • Impact bars under feedboot
  • Wear resistant steel lined feed chute
  • Hydraulically folding

Mid - Oversize - Tail Conveyor

  • 900mm (36”) 3 ply plain belt
  • Angle adjustment: 14º - 25º
  • Stockpile height: 4.3m (14’ 1’’)
  • Stockpile capacity: 119m3 (156 cu. yd.)
  • Drum centres:  9.5m (31’ 2”)
  • Drum diameter (drive):  286mm (11.3”)
  • Drum diameter (tail):  270mm (10”)
  • Hydraulically folding
  • Impact bars under feedboot
  • Direct drive system
  • Variable speed control

Oversize - Cross Conveyor

  • 800mm (32”) 3 ply plain trough belt
  • Drum centres: 1.92m (6’ 4”)
  • Drum diameter (drive): 223mm (8.8”)
  • Drum diameter (tail): 203mm (8”)
  • Hydraulic slide to enable screen mesh access
  • Variable speed control

  • CAT C7.1 151 kW (202hp) @ 2200rpm

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