Ironwood’s engineering team designed the S1444RRK four 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 S144RRRK includes a steel contact roller on the first head, followed by a pair of rubber contact rollers in positions two and three, and combination head with adjustable platen in the final 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
42” four 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
- Twenty-Five (25) horse power IE3 motor
- 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 IE3 motor
- Cutting speed of 20 mps (65 fps)
- Cutting direction against feed
Head #3 is a rubber contact roller
- 250 mm diameter 60 shore profiled rubber contact roller
- Height adjustable contact roller with dial indicator for grit compensation
- Twenty (20) horse power IE3 motor
- Air Jet belt cleaning
- Cutting speed of 20 mps (65 fps)
- Cutting direction with feed
Head #4 is a combination head
- 140 mm diameter 60 shore profiled rubber contact roller
- Height adjustable contact roller with dial indicator for grit compensation
- Height adjustable sanding pad
- Fifteen (15) horse power IE3 motor
- 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
| Working width max. | 1070 mm (42”) |
| Conveyor belt width | 1100 mm (43”) |
| Abrasive belt width | 1100 mm (43”) |
| Abrasive belt length | 1900 mm (75”) |
| Work piece thickness min. | 3 mm (1/8”) |
| Work piece thickness max. | 150 mm (5.9”) |
| Work piece length min. | 450 mm (17.5”)* |
| Variable conveyor speed | 3.6 – 14 MPM (12 - 46 FPM) |
| Feed motor | 3 HP |
| Table rise/fall motor | ½ HP |
| Head #1: 250mm Ø steel contact roller | 20 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: 250mm Ø 60 shore rubber contact roller | 20 HP 65 fps belt speed |
| Head #3: Rotation Direction | Against feed |
| Head #4: Combination head – 140mm Ø 65 shore rubber contact roller with felt pad | 15 HP 40 fps belt speed |
| Head #4: Rotation Direction | Against feed |
| Electrical connection* | 460V | 3-Phase | 60 Hz. |
| Dust collection requirements | 4,298 CFM |
| Dust extraction ports | 6 ports | 123 mm (5”) |
| Compressed air requirements | 90 PSI |
| Air consumption per cycle | 4 CFM** |
| Air jet belt cleaning air consumption | 24 CFM*** |
| Machine net weight | 5,133 kg (11,318 lbs.) |
| Shipping dimensions (LxWxH) | 104” x 86” x 89” |
