Description

Ironwood’s engineering team designed the S135MRK three head wide belt planer 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 S135MRK includes a helical cutter head in the first position, a rubber contact roller in the second position, and a combination head to finish out the sequence. 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 helical planer head
- 150 mm diameter helical cutter head
- 30 x 12 x 1.5mm carbide inserts
- Height adjustable planer head with scale
- Forty (40) horsepower motor
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-five (25) 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-five (25) 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
(Optional) Panel cleaning brushes and vacuum hold down available upon request, and may require additional lead time for special order machines

Specifications

Working width max.: 1270 mm (50”)
Conveyor belt width: 1270 mm (50”)
Abrasive belt width: 1320 mm (52”)
Abrasive belt length: 1900 mm (75”)
Work piece thickness min.: 9 mm (3/8”)
Work piece thickness max.: 150 mm (5.9”)
Work piece length min.: 450 mm (17.5”)*
MAX STOCK REMOVAL ON PLANER HEAD: 4 MM (0.15″)
Variable conveyor speed: 3.6 – 14 MPM (12 – 46 FPM)
Feed motor: 5 HP
Table rise/fall motor: ½ HP
Head #1: Helical cutter head: 25 HP 65 fps belt speed
NUMBER OF INSERT KNIVES ON PLANER HEAD: 195
KNIFE INSERT SIZE: 30 X 12 X 1.5 MM
Head #1: Rotation direction: Against feed
Head #2: 250mm Ø 85 shore rubber contact roller: 25 HP 65 fps belt speed
Head #2: Rotation direction: Against feed
Head #3: Combination head – 140mm Ø 65 shore rubber contact roller with felt pad: 25 HP 40 fps belt speed
Head #3: Rotation Direction: Against feed
Electrical connection: 460V**** | 3-Phase | 60 Hz.
Dust collection requirements: 4,298 CFM
Dust extraction ports: 7 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: 4,450 kg (9,790 lbs.)
Machine gross weight: 4,690 kg (10,318 lbs.)
Shipping dimensions (LxWxH): 115” x 91” x 89”