Stiles Machinery Ironwood S144RRRK Four Headed Sander

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”