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Flat bar Grinding + Finishing

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Flat bar Grinding + Finishing

Valgro Belt grinding and polishing are very flexible machining processes with undefined cutting edges that use a large number of cutting particles. Depending on the abrasive belt selected, extreme high stock removal rates (1 mm and more per pass ) or super fine finishes can be achieved (Ra 0,1 µm and better).

  • Overview

    The abrasive belt unit with a contact drum can be used for graining a decorative straight-line finish or for deburring. Depending on the application the hardness and diameter of the contact drum can be selected accordingly. For example a harder drum is ideal for straigh-line finishing whereas a softer drum works better for deburring.

  • Features

    Features

    • Working widths of 150mm and 300mm
    • One to four stations in a line
    • Abrasive belt or drum units
    • For wet or dry processing

    Options

    • One to four stations in a line
    • For wet or dry processing
    • Floating head system i.e. with adjustable grinding pressure allowing the abrasive belt unit to move out of the way if grinding pressure gets too high
    • Permanent magnet below the feed belt for holding down smaller steel parts
    • Demagnetization below the feed belt on outfeed side
    • Infinitely variable rpm of abrasive belt
    • Additional hold-down rollers
    • Feed belt with 90° stoppers for shorter stainless steel or aluminium parts
    • Paper belt filter
    • Range of dust extraction units available
  • Technicality
    Model HYB-06 HYB -12
    Head Type Belt + Brush Belt + Brush
    Work Surface Top Side Top Side
    Process: Wet / Dry Wet / Dry Wet / Dry
    Work Head 1+ 1+
    Application Sanding + Deburring + Finishing + Brushing Sanding + Deburring + Finishing + Brushing
    Finish Achieved Matt Hairline, #4 Matt Hairline, #4
    Burr Classification Class 1,2,3 Class 1,2,3
    Type of Material Stainless Steel Stainless Steel
    Max Width 150 300
    Min. Length 200 220
    Min. Max Thickness 0.5 - 3mm / 1 to 50mm 0.5 - 3mm / 1 to 50mm
    Weight of capacity kg 100 100
    Drum Diameter 150 150
    Brush Diameter 225 225
    Abrasive belt Size (MM) 150 x 1250 300 x 1250
    Brush Action
    R = Rotate O = Oscillate     		R + O R + O
    Conveyor Type
    R= Roller / B = Belt     		Belt Belt
    Conveyor Bed Grip Roll Grip Roll
    Conveyor speed
    Min / Max - MPM     		0.5 - 10 0.5 - 10
    Dust Extraction
    Model No     		DCS-1 DCS-1
    Electrical parameters The integrated frequency converter allows the machine to work worldwide with all power supply systems and enables smooth start and enhanced motor protection.
  • Applicatons
    The belt grinding and belt polishing are both used to improve the finish of flat materials and profiles as well as bars and tubes such as hydraulic, pneumatic and pressure cylinder; Axles, Calender rolls and billets; Engine components, stamped and sintered parts. For scale removal or linishing and sanding before and after coating.

    • For abrasive belt grinding of rectangular tubes, decorative straight-line finishing on stainless steel or preparation for chrome plating For abrasive belt grinding of flat bars
    • Deburring
    • Finishing
    • Roughening
    • Processing of steel, stainless steel and aluminium
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