For Immediate Help Contact:
Joe Retzlaff
(800) 374-5009 ext. 348
Intl. +1 (704) 841-2001
If not available, try his/her backup:
Ed Webb ext.377
EXF #:   SX-300082  


Model:   UNDERTOP 1300 RK+RK
Machine Type:  


Year of Mfg.:   2021
Condition:   Brand New w/Warranty  
Elect./Voltage:   575 V, 60 Cy, 3 Ph.
List Price:   $ 195,000  
Our Price:   $ 184,500 CAD    
Financing: $ 3,667 National Capital Leasing
Description:    (view full)

EMC UNDERTOP 1300 2RK+2RK - Heavy Duty Wide Belt Sander; Bottom + Top, both with (1) Contact Roller and (1) Combination Head Roller/Pad.

Useful working width 1,300 mm (51"). Working thickness min./max. 3 - 140 mm (1/8" - 6-5/16").

Both Bottom + Top Sanders equipped as follows:

1st Head: 

  • Roller "R", Rubber covered, spirally grooved. Belt dimensions: 1,900 x 1,320 mm (74" x 52"). 
  • Roller diameter: 190 mm (7-1/2"). Shore hardness 85.
  •  Constant control to any position with accuracy  0.02 mm.
  •  "Grit-set system" for sanding belt grit compensation. 
  • Rotation: Against feed (clockwise).
  • Motor power: 22 kW (30 HP) with Automatic star-delta starter. 
  • Abrasive Belt cutting speed: 20 m/Sec (66 FPS).
  •  Air Jet Blower for abrasive belt cleaning.

    2nd Head: 
  • Combination Unit "K", Roller/Pad. Belt dimensions: 1,900 x 1,320 mm (74" x 52"). 
  • Roller diameter: 142 mm (5-5/8"), spirally grooved, Shore hardness 45.
  • Constant control to any position with accuracy 0.02 mm.
  • "Grit-set system". 
  • Pneumatic controlled PAD with ON-OFF switch on main control panel. 
  • Rotation: Against feed (clockwise). 
  • Motor power: 15 kW (20 HP) with Automatic star-delta starter. 
  • Abrasive Belt cutting speed:18 m/Sec (59 FPS). 
  • Air Jet Blower for abrasive belt cleaning.
    Cleaning Brush Roller: TAMPICO, 150 mm (5.9") with micrometer adjustment to compensate brush wear. Driven by 3 kW (4 HP) motor. Dust hood 120 mm (4-3/4").

    Feed system:
  •  Constant pass line, 980 mm (38-9/16") from floor. 
  •  Idle roller table support at infeed and outfeed. 
  •  Rubber covered presser rollers, grooved. 
  •  Variable feed belt speed, adjustable from 3 to 19 m/Min (9.8 - 62 FPM), Inverter Controlled, synchronized. 
  • Motorized height adjustment via (4) precision screws. 
  •  Large diameter screws on machined guides with columns and pistons. 
  •  Automatic feed belt centering device. 
  •  Pre-welded machined steel working table. 
  • Pneumatic air floating pressure holddown shoes at infeed, in middle position, and in outfeed position. Made of high quality steel, heat treated and machined for reduced friction during the sanding process.
  •  Vacuum conveyor beds both on top + bottom, 4 kW (5,5 HP) each. Vacuum unit for holddown of smaller parts, mounted inside of the machine base with silencer. 
  •  Air blower devise for feed belt cleaning at outfeed.

    General Machine Features: 
  • Independent main motors.
  • Analog ammeters, for each motor, on main control cabinet.
  • Electronic motorized grit set system, control from touch screen for each (head) working group. 
  •  Overload protection for each head. 
  •  All doors equipped with soundproof material.

    Electronic programmable color TOUCH SCREEN LCD display, 10" wide:
  • Resolution 640 x 480 pixels. 
  •  PLC POWER LOGIC CONTROL with micro-processor of latest generation, modular and expandable. 
  •  Graphic synoptic to facilitate programming. 
  •  Front protection IP 65 against dust & moisture.

    Software facilities:
  •  Automatic motor sequence starting.
  •  Command, programming and display for thickness.
  • Command, programming and display for feeding.
  •  Command, programming and display for all speed control inverters.
  •  Command, programming and display for selected groups.
  •  Command, programming and display for blowers, including compressed air saving function. 
  •  Display report and reset of alarms (self diagnostic) with memory records.

    Centralized Control Cabinet: 
  • IP 54 protection against dust & moisture. Analog ammeter on main control cabinet.
  • Table (Conveyor Bed) lifting-lowering thickness system electrically controlled. AUTOMATIC Star-Delta starter on abrasive belt motors.
    Centralized Pneumatic Control Cabinet:
  • IP 54 protection against dust & moisture. Pneumatic air filter with automatic water-drain system. 
  • Pneumatic adjustment for "Grit set system". Pneumatic plant working without lubrication. Compressed air pressure 6 bar (87 PSI)

    Safety Features: 
     ● CE European standard safety norms in compliance with 2014/30/EC
     ● Oversized parts infeed protection bar. Anti-kickback device.
     ● Door lock protections and delays while opening
     ● Rear and front emergency push button

    Automatic Emergency Stop and alarm display in case of:
    * Compressed air low
    * Electric motors overloading and dispersion  
    * Emergency detector for over thickness material cut
    * Doors opened
    * Abrasive belt not tensioned
    * Abrasive belt lateral mistracking
    * Abrasive belt broken

    The price includes:
  • 2-year warranty.  

Special Note:
Written By: Joe Retzlaff  
*Dimensions:Available from product manager
*Weight:Please call
*Dimensions & Weight data are based on 3rd party information and could be incorrect; please verify & confirm if accurate dimensions & weight are required.