Saws - Gang Rip

Used Mereen-Johnson Model 424 Gang Rip Saw with Rip Navigator Scout High Speed Infeed

Stock #86226 - Available (As Taken From Service)



  • Mereen-Johnson Model 424-DC Dip Chain Gang Rip Saw
  • Capacity: Arbor space 24"
  • thickness to 3-1/2" using 14" diameter tooling
  • 30" Minimum length glue joint accuracy
  • 6" Throat
  • Arbor Drive: 75HP, 3600RPM, TEFC
  • Feed Drive: 3HP, TEFC Heavy duty direct coupled feed drive assembly with variable frequency drive, Feed rates 30' to 245' per minute rate
  • Programmable current trip jam protection
  • Feed Bed: Mereen-Johnson exclusive POSI-FEED dip bed carried on precision machined and hardened 5" pitch DOUBLE-VEE chain, Contoured hardened dip cams
  • Hold Downs and Bed Plate: Four 3" diameter air loaded overhead idle press rolls
  • Powered vertical adjust of press rolls and bed plate for unit vertical adjust through up/down push button controls, manual handwheel adjust with scale and pointer thickness reference
  • Saw Sleeve: Three(3) 24" capacity sleeve, arranged for 3-1/8" bore, 14" maximum dia. tooling
  • Dust Collection: Two upper dust hoods: One 10" dia, One 5" dia, One Lower 5" dia.dust hood (Requires total 4,060 CFM at 5,000 FPM velocity with 4" water gauge at hood opening)
  • Anti-Kickback Assemblies: Single bottom and double upper infeed, and single upper outfeed
  • Saw Reconditioned by Mereen-Johnson in 2018
  • Mereen-Johnson Rip Navigator Scout High Speed Rip Optimizing System
  • Arranged to Receive 13'-6" Maximum Length Boards
  • Board Stop Queues Boards for Advancement to Disappearing Fence
  • Disappearing Fence References Boards for Laser Light Rip Solution
  • Automatic Adjusting Fence Positions Boards for Placement into Gang Rip Saw
  • Chain Deck Equipped with Seven(7) Chain Beams Supporting #60 Single Strand Flat Top Roller Chain
  • 30" Minimum to 13'6" Maximum Board Length Feeding Capacity
  • Chain Feed Rate of 111' Per Minute Driven by 2HP Feed Motor
  • Sixteen Sensors Mounted in Line After Board Queuing Board Stops
  • Sensors Measure Board Width and Shape
  • Board Data Provided to Rip Navigator Optimizing Software
  • Automatic Fence Adjustment Through Servo Motor / Rack and Pinion Mechanism and Rides on THK Type Linear Rails
  • System Guide is Mounted on Linear Ways for Smooth and Accurate Positioning Integrated with Rip Navigator control; Integral upper and Lower Rolls both Jump for accuracy and Reduced Wear
  • Mereen-Johnson’s Exclusive Cut Bill Rip Optimizing, Rip Tracking System Includes a PC and a 19″ LCD Color Touch Screen
  • Rip Navigator New in 2018
  • Note: This system does not have a laser rack. The previous owner did not require lasers, and ran only in "automatic mode"
  • 460 volt

You may also be interested in