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.
Simple and Intuitive Controls
- 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
Sanding Heads
- 50” 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
Key Features
- 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
Specifications
- 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
