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Red Diamond – Fitted Sheet Folder (inside fold)

The Red Diamond folding machine is for the folding and stacking of fitted sheets, flat sheets, duvet covers, curtains, blankets and other flat product – woven, non woven, non-elastic pieces.

This installation is a stand – alone unit. The folding machine is able to work up various material types including cotton, sateen, mixture fabric, polyester/cotton, and flannel.

The feeding edges of the pieces are hidden as inside fold. The system is equipped with a cardboard inserting device for standard and book fold folding.

*Please state in your enquiry if you require optional devices (scroll below)

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Feeding size
(Additional Sizes on request) 

  • W = 40“-120”/1000mm – 3050mm 
  • L = 40“-130“/1000mm – 3300mm

Red Diamond folding size

Folding size
(Additional sizes on request) 

  • A = 6“- 15” / 152mm – 301mm 
  • B = 9“- 16“/ 228mm – 406mm 
  • C= Gusset up to 3”/76mm



  • One operator for manual feeding 
  • p to 650 pieces / h



  • In feed table 
  • Cross fold A (by reversing & air blast) 
  • Cardboard inserter 
  • Lateral fold A (by sliders &templates) 
  • Lateral fold B (by sliders &templates) 
  • Cross fold B (by swing arm) 
  • Cross fold C (Swing Arm) 
  • Cross fold D (reversing & folding knife) 
  • Stacker


Folding pattern

  • Inside fold (hidden boarder)

Red Diamond standard sizeRed Diamond book fold



Cardboard types & sizes (Standard & book cardboard for flat sheets)
(Additional sizes on request) 

  • Maximum width 381 mm/15″ 
  • Minimum width 222 mm/8 3/4″ 
  • Maximum length 698 mm/27 1/2″ + height of the gusset max. 76 mm/3″ 
  • Minimum length 444 mm/17 1/2″ + height of the gusset max. 76 mm/3″ 
  • Magazine load up to 405 mm (16”)

All cardboards will be folded to the very inside of the fabric, non-visible

Red Diamond folding machine dimensions

Control system

  • Beckhoff Twincat, PC- Windows XP 
  • 15” Touchscreen 
  • 40’000 program spaces 
  • Remote access integrated (Internet ) 
  • Integrated cooling system


Options (*Please state in your enquiry if you require optional devices)

  • Additional folding stations 
  • Roll-off stacking system 
  • Many other options on request



Additional information


230/400V 50/60Hz, 3 phases /N/PE, approx 20A, 13 kW

Compressed Air

6Bar / 87psi

Air consumption

550 L/Min

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