JATAS Machinery Sales, Inc. 
503 Frontage Ave. W - Underwood, MN 56586 
1-800-743-2435 / 1-218-826-6464 
 
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NEW Rolls
   
 
 
Knuth 
ROLLS 
(Click Link for PDF File-Use your internet back button to return) 
 
VIDEO LIBRARY 
 
 
MANUAL PLATE ROLL
MOTORIZED PLATE ROLL
4 - ROLL HYDRAULIC 
PLATE ROLL
4 - ROLL HYDRAULIC 
NC PLATE ROLL
4 - ROLL HYDRAULIC  
CNC PLATE ROLL
3 - ROLL - hardened rollers, suitable for stainless steel  
 
  • top roller swings out  
  • easy adjustment of rear and bottom roller via hand wheel  
  • Bottom and rear roller with wire insertion groove  
  • back gear  
  • supplied with conical bending feature  
    •  
    KR 10/1.0 
    Length:41" 
    Plate Thickness:.039" 
    Roll Diameter:2.2" 
     
    KR 10/1.5 
    Length:41" 
    Plate Thickness:.06" 
    Roll Diameter:2.76" 
     
    KR 10/3.0 
    Length:41" 
    Plate Thickness:.12" 
    Roll Diameter:3.54" 
     
    KR 12/1.5 
    Length:49" 
    Plate Thickness:.06" 
    Roll Diameter:2.95" 
     
    KR 15/2.0 
    Length:61" 
    Plate Thickness:.09" 
    Roll Diameter:3.54" 
     
    KR 20/1.5 
    Length:81" 
    Plate Thickness:.07" 
    Roll Diameter:3.74"
    3 - ROLL - asymmetrical 3-Roll Bending Machine  
     
  • hardened rollers, suitable for stainless steel  
  • adjustable bottom and rear roller  
  • standard series wire core groove  
  • top roller swings out with eccentric closure  
  • foot switch  
  • manual feed or rear roller  
  • brake motor  
  • supplied with conical bending feature  
    •  
    KRMA 10/3.0 
    Length:  41" 
    Prebend:  .12" 
    Max. Thickness:  .13" 
    Roll Diameter:  3.54" 
    Min. Bend Diameter: 5.12"  
     
    KRMA 12/2.5 
    Length:  49" 
    Prebend:  .098" 
    Max. Thickness:  .12" 
    Roll Diameter:  3.54" 
    Min. Bend Diameter: 5.12"  
     
    KRMA 15/2.2 
    Length:  61" 
    Prebend:  .09" 
    Max. Thickness:  .1" 
    Roll Diameter:  3.54" 
    Min. Bend Diameter: 5.12"  
     
    KRMA 20/1.5 
    Length:  81" 
    Prebend:  .06" 
    Max. Thickness:  .08" 
    Roll Diameter:  3.74" 
    Min. Bend Diameter: 5.31"  
     
    KRM - Modern design, user-friendly machine with asymmetrical mounted rolls 
     
  • hardened rollers, suitable for stainless steel  
  • motor driven left/right direction, operated with foot switch  
  • hand wheel for rear roll feed  
  • quick adjusting rolls (motor-driven, option)  
  • standard series wire core groove  
  • top roll swings out across cam lock  
  • supplied with conical bending feature  
    •  
    KRM 10/4.0 
    Length:  41" 
    Prebend:  .16" 
    Max. Thickness:  .02" 
    Roll Diameter:  4.33" 
    Min Bend Diameter:  5.9" 
     
    KRM 10/5.0 
    Length:  41" 
    Prebend:  .2" 
    Max. Thickness:  .22" 
    Roll Diameter:  5.12" 
    Min Bend Diameter:  7.48" 
     
    KRM 12/3.5 
    Length:  50" 
    Prebend:  .14" 
    Max. Thickness:  .16" 
    Roll Diameter:  4.33" 
    Min Bend Diameter:  5.9" 
     
    KRM 12/4.0 
    Length:  50" 
    Prebend:  .14" 
    Max. Thickness:  .18" 
    Roll Diameter:  4.72" 
    Min Bend Diameter:  6.89" 
     
    KRM 12/5.0 
    Length:  50" 
    Prebend:  .2" 
    Max. Thickness:  .22" 
    Roll Diameter:  5.51" 
    Min Bend Diameter:  8.27" 
     
    KRM 15/3.0 
    Length:  61" 
    Prebend:  .12" 
    Max. Thickness:  .14" 
    Roll Diameter:  4.43" 
    Min Bend Diameter:  5.9" 
     
    KRM 15/4.0 
    Length:  61" 
    Prebend:  .14" 
    Max. Thickness:  .18" 
    Roll Diameter:  5.12" 
    Min Bend Diameter:  7.48" 
     
    KRM 20/3.0 
    Length:  81" 
    Prebend:  .12" 
    Max. Thickness:  .16" 
    Roll Diameter:  5.12" 
    Min Bend Diameter:  7.48" 
     
    KRM 20/4.0 
    Length:  81" 
    Prebend:  .16" 
    Max. Thickness:  .18" 
    Roll Diameter:  5.51" 
    Min Bend Diameter:  8.28" 
     
    KRM-S - asymmetrical 3-Roll Bending Machine with one-side pre-bend 
     
  • hardened rollers, suitable for stainless steel  
  • taper bending fixture  
  • motorized rear roller adjustment  
  • rigid steel construction  
  • high quality steel rollers  
  • rollers are centrally powered by planetary gears and brake motor  
  • top roller swings out  
  • self-braking main motor  
  • separate control panel  
  • meets CE requirements  
    •  
    KRM-S 15/7 
    Length:  63" 
    Prebend:  .28" 
    Max. Thickness:  .31" 
    Roll Diameter:  6.69" 
    Min Bend Diameter:  10" 
      
    KRM-S 20/5 
    Length:  83" 
    Prebend:  .2" 
    Max. Thickness:  .24" 
    Roll Diameter:  6.69" 
    Min Bend Diameter:  10" 
     
    KRM-S 20/6 
    Length:  83' 
    Prebend:  .24" 
    Max. Thickness:  .28" 
    Roll Diameter:  7.48" 
    Min Bend Diameter:  11" 
     
    KRM-S 25/4 
    Length:  102" 
    Prebend:  .16" 
    Max. Thickness:  .2" 
    Roll Diameter:  6.69" 
    Min Bend Diameter:  10" 
     
    KRM-S 25/5 
    Length:  102" 
    Prebend:  .2" 
    Max. Thickness:  .24" 
    Roll Diameter:  7.48" 
    Min Bend Diameter:  11" 
     
    KRM-S 30/3 
    Length:  122" 
    Prebend:  .12" 
    Max. Thickness:  .16" 
    Roll Diameter:  6.69" 
    Min Bend Diameter:  10" 
     
    KRM-S 30/4 
    Length:  122" 
    Prebend:  .16" 
    Max. Thickness:  .2" 
    Roll Diameter:  7.48" 
    Min Bend Diameter:  10"
    RBM - For roll-bending of elliptical and conical forms, pre-bending and bending in one operating step 
     
  • hardened rollers (standard)  
  • massive machine frame, based on an advanced design and many years of experience  
  • hydraulic safety chuck for safe and easy removal of the finished part; operated from the control panel  
  • roller adjustments (feed and adjustment of parallelism and taper) at the control panel  
  • all rollers are hardened and equipped with precision bearings  
  • independent adjustment of side rollers  
  • hydraulically driven top and bottom rollers, via reduction gears  
  • hydraulic components from Parker / Bosch  
  • electric components from Siemens / Telemanique  
  • minimum bending diameter = 3 x Ø of the top roller  
  • Principle of Operation for the 4-Roller Roll Bending Machine - Pre-bending and Bending in one operating step  
    •  
    RBM 20/04 
    Length:  83" 
    Prebend:  .16" 
    Max. Thickness:  .24" 
    Upper Roll Diameter:  6.3" 
     
    RBM 20/16 
    Length:  83" 
    Prebend:  .63" 
    Max. Thickness:  .79" 
    Upper Roll Diameter:  12" 
     
    RBM 25/06 
    Length:  102" 
    Prebend:  .24" 
    Max. Thickness:  .31" 
    Upper Roll Diameter:  8.27" 
     
    RBM 25/13 
    Length:  102" 
    Prebend:  .51" 
    Max. Thickness:  .63" 
    Upper Roll Diameter:  12" 
     
    RBM 25/20 
    Length:  102" 
    Prebend:  .79" 
    Max. Thickness:  .98" 
    Upper Roll Diameter:  14" 
     
    RBM 25/35 
    Length:  102" 
    Prebend:  1.38" 
    Max. Thickness: 1.57"  
    Upper Roll Diameter:  18" 
     
    RBM 30/10 
    Length:  122" 
    Prebend:  .39" 
    Max. Thickness:  .51" 
    Upper Roll Diameter:  12" 
     
    RBM 30/16 
    Length:  122" 
    Prebend:  .63" 
    Max. Thickness:  .79" 
    Upper Roll Diameter: 14"  
     
    RBM 30/40 
    Length:  122" 
    Prebend:  1.57" 
    Max. Thickness:  1.97" 
    Upper Roll Diameter:  20" 
     
    RBM 30/70 
    Length:  122" 
    Prebend:  2.76" 
    Max. Thickness:  3.35" 
    Upper Roll Diameter:  30" 
     
    RBM 40/06 
    Length:  161" 
    Prebend:  .24" 
    Max. Thickness:  .31" 
    Upper Roll Diameter:  12" 
     
    RBM 40/13 
    Length:  161" 
    Prebend:  .51" 
    Max. Thickness:  .63" 
    Upper Roll Diameter:  15" 
     
    RBM NC TEACH IN - NC-controlled roll-bending of elliptical and conical forms, pre-bending and bending in one operating step 
     
  • hardened rollers (standard)  
  • massive machine frame, based on an advanced design and many years of experience  
  • rigid steel construction  
  • hydraulic safety chuck for safe and easy removal of the finished part; operated from the control panel  
  • roller adjustments (feed and adjustment of parallelism and taper) at the control panel  
  • all rollers are hardened and equipped with precision bearings  
  • independent adjustment of side rollers  
  • hydraulically driven top and bottom rollers, via reduction gears  
  • hydraulic components from Parker / Bosch  
  • electric components from Siemens / Telemanique  
  • minimum bending diameter = 3 x Ø of the top roller  
  • Principle of Operation for the 4-Roller Roll Bending Machine - Pre-bending and Bending in one operating step  
    •  
    RBM 20/04 NC  
    Length:  83" 
    Prebend:  .16' 
    Max. Thickness:  .24" 
    Upper Roll Diameter:  6.3" 
     
    RBM 20/16 NC 
    Length:  83" 
    Prebend:  .63" 
    Max. Thickness:  .79" 
    Upper Roll Diameter:  12" 
     
    RBM 25/06 NC 
    Length:  102" 
    Prebend:  .24" 
    Max. Thickness:  .31" 
    Upper Roll Diameter:  8.27" 
     
    RBM 25/13 NC 
    Length:  102" 
    Prebend:  .51" 
    Max. Thickness:  .63" 
    Upper Roll Diameter:  12" 
     
    RBM 25/20 NC 
    Length:  102" 
    Prebend:  .79" 
    Max. Thickness:  .98" 
    Upper Roll Diameter:  14" 
     
    RBM 25/35 NC 
    Length:  102" 
    Prebend:  1.38" 
    Max. Thickness:  1.57" 
    Upper Roll Diameter:  18" 
     
    RBM 30/10 NC 
    Length:  122" 
    Prebend:  .39" 
    Max. Thickness:  .51" 
    Upper Roll Diameter:  12" 
     
    RBM 30/16 NC 
    Length:  122" 
    Prebend:  .63" 
    Max. Thickness:  .79" 
    Upper Roll Diameter:  14" 
     
    RBM 30/35 NC 
    Length:  122" 
    Prebend:  1.57" 
    Max. Thickness:  1.97" 
    Upper Roll Diameter:  20" 
     
    RBM 30/60 NC 
    Length:  122" 
    Prebend:  2.76" 
    Max. Thickness:  3.35" 
    Upper Roll Diameter:  30" 
     
    RBM 40/06 NC 
    Length:  161" 
    Prebend:  .24" 
    Max. Thickness:  .31" 
    Upper Roll Diameter:  12" 
     
    RBM 40/13 NC 
    Length:  161" 
    Prebend:  .51" 
    Max. Thickness:  .63" 
    Upper Roll Diameter:  15" 
    RBM CNC - CNC-controlled roll-bending of elliptical and conical forms, pre-bending and bending in one operating step 
     
  • hardened rollers (standard)  
  • massive machine frame, based on an advanced design and many years of experience  
  • hydraulic safety chuck for safe and easy removal of the finished part; operated from the control panel  
  • roller adjustments (feed and adjustment of parallelism and taper) at the control panel  
  • all rollers are hardened and equipped with precision bearings  
  • independent adjustment of side rollers  
  • hydraulically driven top and bottom rollers, via reduction gears  
  • hydraulic components from Parker / Bosch  
  • electric components from Siemens / Telemanique  
  • minimum bending diameter = 3 x Ø of the top roller  
  • Principle of Operation for the 4-Roller Roll Bending Machine - Pre-bending and Bending in one operating step  
    •  
    BM 20/04 CNC  
    Length:  83" 
    Prebend:  .16' 
    Max. Thickness:  .24" 
    Upper Roll Diameter:  6.3" 
     
    RBM 20/16 CNC 
    Length:  83" 
    Prebend:  .63" 
    Max. Thickness:  .79" 
    Upper Roll Diameter:  12" 
     
    RBM 25/06 CNC 
    Length:  102" 
    Prebend:  .24" 
    Max. Thickness:  .31" 
    Upper Roll Diameter:  8.27" 
     
    RBM 25/13 CNC 
    Length:  102" 
    Prebend:  .51" 
    Max. Thickness:  .63" 
    Upper Roll Diameter:  12" 
     
    RBM 25/20 CNC 
    Length:  102" 
    Prebend:  .79" 
    Max. Thickness:  .98" 
    Upper Roll Diameter:  14" 
     
    RBM 25/35 CNC 
    Length:  102" 
    Prebend:  1.38" 
    Max. Thickness:  1.57" 
    Upper Roll Diameter:  18" 
     
    RBM 30/10 CNC 
    Length:  122" 
    Prebend:  .39" 
    Max. Thickness:  .51" 
    Upper Roll Diameter:  12" 
     
    RBM 30/16 CNC 
    Length:  122" 
    Prebend:  .63" 
    Max. Thickness:  .79" 
    Upper Roll Diameter:  14" 
     
    RBM 30/35 CNC 
    Length:  122" 
    Prebend:  1.57" 
    Max. Thickness:  1.97" 
    Upper Roll Diameter:  20" 
     
    RBM 40/06 CNC 
    Length:  161" 
    Prebend:  .24" 
    Max. Thickness:  .31" 
    Upper Roll Diameter:  12" 
     
    RBM 40/13 CNC 
    Length:  161" 
    Prebend:  .51" 
    Max. Thickness:  .63" 
    Upper Roll Diameter:  15" 
     
    Contact JATAS