Mereen-Johnson | Model 312-DC/SR Shifting Blade Rip Saw
The Mereen-Johnson Model 312-DC offers all the quality, heavy-duty construction, and precision glue joint ripping capability you expect. What you would not expect is how affordable this machine is for any shop ripping up to 10,000 board feet per shift or for large operations that need multiple ripping cells for flexibility.
A severe duty direct drive arbor delivers unmatched performance without the need for belt replacement or constant adjustment. A precision high friction feed bed with replaceable steel backed rubber inserts securely carries material through the saw to assure a glue joint cut. The 312-DC is unmatched for reliability, durability, and low maintenance costs.
Features
- Posi-Feed dip bed for absolutely straight line feeding.
- Cast Iron Mereen-Johnson built motor with precision
tolerance spindle for true running performance.
- Press Roll/Hold down bed plate arrangement for positive
stock containment, quality ripping, and extended tool life.
- Open Pressure Head design for access of saw blade
alignment to optional laser lights and exclusive TwistLock
tool change system
Applications
Moulding Stock - Random width or full panel sheet.
Dimension Stock - Precision components, S4S blanks,
salvage, reclaim.
Edge Glued Panels - Solid wood for panel stock
Specifications
Capacity: 12” arbor space; thickness to 3-1/2”, 30” min. length glue joint accuracy; 22“ min. length bust up only. Left side open for ripping wide panels.
Arbor Drive: 50 HP 3600 RPM TEFC direct arbor drive.
Feed Drive: Posi-Feed friction feed bed with 5” pitch Mereen-Johnson Double-Vee chain and extruded structural aluminum feed slats with replaceable steel-backed rubber insert strips. Oil mist lube of chain and track.30 to 235 FPM through freq. control.
Hold Downs/Bed Plate: Four 3” dia. air loaded press rolls. Full width spring loaded bed plate.
Saw Sleeve: 12” capacity saw sleeve. Arranged for 10” to 14” dia. x 3-1/8” bore tooling.
Saw Spacers: One set included.
Dust Collection: One 8” and one 5” dia. upper; one 5” dia. lower; 3110 CFM total.
Anti-Kickback Safety Device: Single bottom and double upper infeed; single upper outfeed.
Stock Guide: Slide type adjustable guide.
Electrical: Arranged for 3/60/230 or 460 volt power supply (other electrics available).
Shipping Wt.: 6,500 Lbs. / 3,000 Kg. (approx.)
Warranty: 2 years
Options:
- Powered Vertical Arbor Adjust
- TwistLock Saw Collars
- Sound Enclosure
- Laser Lights / Stand
- Power Feed Table
What is the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw and what primary production role does it serve?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw is an industrial rip & table saw manufactured by Mereen-Johnson and supplied by Centex Automation. The Mereen-Johnson Model 312-DC offers all the quality, heavy-duty construction, and precision glue joint ripping capability you expect.
What workpiece capacities and working dimensions are published for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
Published capacity specifications for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw include: Capacity: 12" arbor space; thickness to 3-1/2", 30" min. length glue joint accuracy; 22" min. length bust up only. Left side open for ripping wide panels. Verify that your largest and smallest production parts fall within this envelope before ordering.
How does material feeding, speed, or part transport operate on the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
For material transport and cycle speed, the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw specifications list: Power Feed Table.
What shop utility, pneumatic, hydraulic, or dust extraction details are listed for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
Published utility and actuation specifications for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw state: Dust Collection: One 8" and one 5" dia. upper. Confirm exact plant voltage, phase, air supply, and dust collection CFM requirements with Centex Automation prior to installation.
What is the published capacity specification for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
According to the Mereen-Johnson technical specification table for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw, Capacity is rated at 12" arbor space.
What is the published dust collection specification for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
According to the Mereen-Johnson technical specification table for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw, Dust Collection is rated at One 8" and one 5" dia. upper.
What additional design and construction highlight (#1) is specified for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw product specifications state: thickness to 3-1/2", 30" min. length glue joint accuracy.
What additional production capability (#2) is listed for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw product specifications state: 22" min. length bust up only. Left side open for ripping wide panels.
What mechanical or operational feature (#3) is highlighted on the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw product specifications state: one 5" dia. lower.
What equipment configuration detail (#4) is noted in the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw specifications?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw product specifications state: Powered Vertical Arbor Adjust.
What further technical highlight (#5) is published for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw product specifications state: TwistLock Saw Collars.
What additional shop-floor feature (#6) is documented for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw product specifications state: Sound Enclosure.
Which woodworking shops and production workflows are best suited for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw is engineered for industrial woodworking, cabinet manufacturing, millwork, and panel or solid-wood processing shops seeking an industrial rip & table saw from Mereen-Johnson (Mereen-Johnson, Ripsaw, Shifting Blade Rip Saw). Share your part dimensions, material types, and daily throughput targets with Centex Automation to verify model fit.
How is pricing handled for the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw on the Centex Automation storefront?
The Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw is capital woodworking machinery offered on a Request-a-Quote (RFQ) basis rather than instant web checkout. Submit a quote request on the product page so Centex Automation can provide current equipment pricing, factory configuration options, and freight estimates.
What facility utility checks should a shop perform before installing the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw?
Before taking delivery of the Mereen-Johnson Model 312-DC/SR Shifting Blade Rip Saw, verify your shop's electrical voltage, phase, and amperage service, compressed air pressure and dry CFM supply (where pneumatic actuators are used), dust extraction port diameters and required CFM (for chip-producing machines), and floor space clearance for operator loading and maintenance access.