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"
