IRONWOOD S135RRK Three Head Sander

IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
IRONWOOD S135RRK Three Head Sander
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Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander
Load image into Gallery viewer, IRONWOOD S135RRK Three Head Sander

Regular price $68,990.00

Unit price per 

Ironwood’s engineering team designed the S135RRK triple head wide belt sander to be a robust blend of innovation, dependability, and quality. It is the most technologically advanced model of the Ironwood wide belt sander series; designed for a serious woodworker who demands absolute precision in sanding. The S135RRK includes a steel contact roller on the first head, a rubber contact roller on the second head and a combination head in position three.  All sanding heads feature poly-v-belt drives and height adjustable contact rollers with position indicators for grit compensation, enabling quick set-up times and maximum stability, precision, and sanding quality. 

  • Controller quickly adjusts machine thickness (+/- 0.1mm or 0.004”)
  • Controller storage capacity of 99 programs for easy and fast adjustment
  • Displays in mm or decimal inches (3 decimal places for inches)
  • Simple push button controls for turning on and off each head
  • Control switch with key for service or operation mode
  • Amp meters for each sanding head
  • Hour meter display
  • Emergency stop

52” Triple head wide belt sander. 

Head # 1 is a steel contact roller

  • 250 mm diameter profiled steel contact roller
  • Height adjustable contact roller with dial indicator for grit compensation
  • Thirty (30) horse power motor
  • Poly-v belt drive
  • Cutting speed of 20 mps (65 fps)
  • Cutting direction against feed

Head #2 is a rubber contact roller

  • 250 mm diameter 85 shore profiled rubber contact roller
  • Height adjustable contact roller with dial indicator for grit compensation
  • Twenty (20) horse power motor
  • Poly-v belt drive
  • Cutting speed of 20 mps (65 fps)
  • Cutting direction against feed

Head #3 is a combination head

  • 140 mm diameter 65 shore profiled rubber contact roller
  • Height adjustable contact roller with dial indicator for grit compensation
  • Height adjustable sanding pad
  • Twenty (20) horse power motor
  • Poly-v belt drive
  • Air jet belt cleaning
  • Cutting speed of 12 mps (40 fps)
  • Cutting direction against feed
  • Poly-v belt drive for all sanding heads for smooth and vibration free sanding head operation
  • Height adjustable contact rollers on all sanding heads with dial indicators for quick and easy setup and grit compensation
  • Rubberized hold down rollers before and after each sanding head with double hold down rollers at infeed and outfeed for consistent hold down
  • Variable speed conveyor 3.6-14 mpm (12 – 46 fpm)
  • Conveyor table mounted on four heavy duty jack screws for smooth, stable and accurate height adjustment
  • Adjustment hand wheel for quick and easy fine height adjustments
  • Automatic conveyor belt tracking for worry-free conveyor belt operation
  • Diamond style conveyor belt rides along robust steel conveyor table
  • Electronic abrasive belt tracking
  • Abrasive belt trimming for quickly and easily centering sanding belts for optimal sanding belt tracking
  • Abrasive belt tensioning adjustment located on front of machine with safety switches for belt breakage
  • Large diameter tensioning rollers (164 mm on R head, 120 mm on K head)
  • Abrasive belt loading assist for all heads
  • Abrasive belt run-off protection
  • Pneumatic disc motor braking system
  • Workpiece over thickness protection system
  • Safety switches on all access doors and emergency stops at infeed and outfeed locations
  • Infeed roller table with 2 infeed rollers
  • Robust steel machine frame
  • UL/CSA machine electrical components
  • Dual voltage electrics (230V/460V)

Working width max.

1270 mm (50”)

Conveyor belt width

1300 mm (51”)

Abrasive belt width

1320 mm (52”)

Abrasive belt length

1900 mm (75”)

Work piece thickness min.

3 mm (1/8”)

Work piece thickness max.

125 mm (4.9”)

Work piece length min.

450 mm (17.5”)*

Variable conveyor speed

3.6 – 14 MPM (12 - 46 FPM)

Feed motor

5 HP

Table rise/fall motor

1 HP

Head #1: 250mm Ø steel contact roller

30 HP 65 fps belt speed

Head #1: Rotation direction

Against feed

Head #2: 250mm Ø 85 shore rubber contact roller

20 HP 65 fps belt speed

Head #2: Rotation direction

With feed

Head #3: Combination head – 140mm Ø 65 shore rubber contact roller with felt pad

20 HP 40 fps belt speed

Head #3: Rotation Direction

Against the feed

Electrical connection*

230/460V | 3-Phase | 60 Hz.

Dust collection requirements

3,070 CFM

Compressed air requirements

90 PSI

Air consumption per cycle

4 CFM**

Air jet belt cleaning air consumption

24 CFM***

Machine gross weight (approximate)

11,000 lbs


*Minimum work piece length is based upon feeding one individual workpiece.
**Air jet belt cleaning requires a separate compressed air connection.
***Compressed air consumption for air jet belt cleaning is only when selected
Abrasive belt starter kit included with machine (80, 100, 120, 150 and 180 grit)
****460V power upgrades available upon request.  Additional charges may apply. 

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