The Bomar Construction 820.450DGS is a semi-automatic double mitre bandsaw for mitre cuts in the range of -60° to +60°. It features a 41mm, 6º inclined blade, designed for fast cutting of sections, an automatic powered mitre setting to 60° left and right and an automatic cutting control.

• Twin column design, saw bow supported on twin linear bearings
• 2 way POWERED mitre cutting to 60° in both directions
• Material clamped at 90° to the datum vice face, irrespective of mitre angle to be cut
• Integrated material rollers up to the saw machine's support tables
• Large, precise V-guide block for the adjustable guide arm
• Powered swarf brush synchronised to the blade speed
• Large, easily visible mitre scale readable right from the pivoting console
• Vice with full-length hydraulic cylinder and special adjustable guide on hardened, ground rails complete with vice pressure regulation as standard
• Digital display of exact mitre angle
• Twin column design, saw bow supported on twin linear bearings with a 6° incline
• Hydraulic downfeed control with automatic cutting control
• Variable blade speed
• Bundle clamp

Bomar Construction 820.450DGS Technical Details

Play-free
The vice is guided on hardened, ground rails. The special design allows the slide rails to be readjusted at any time and the vice to be held play-free. The guide arm moves automatically with the vice to position close to the material for maximum rigidity and accuracy. Bundle clamp is also standard.

Precision
Large tungsten carbide pads fitted to vibration-damping cast material and low-wear rollers guide the blade perfectly for precise and accurate cuts.

Full length cylinders
Generously sized full stroke cylinders allow the vice clamping and unclamping operation from the control panel.

Saw band tensioner
Standard equipment includes a hydraulic blade tension unit, an electronic monitor for saw blade tension and saw band breakage.

AFDR (Automatic Down Feed Regulation)
Cutting feed and cutting pressure are set individually at the control panel. The selected cutting pressure is displayed on a gauge.

The ADFR system regulates the cutting pressure and the cutting feed rate automatically in real time. A sensor gives the current load on the blade and regulates the cutting feed according to the shape and cross section of the material. For larger cross cuts, the cutting channel lengthens and the saw band's load increases which activates the ADFR valves to reduce the downfeed rate automatically. If the cutting feed in these ranges is not automatically adjusted, blade life drastically decreases and/or accuracy is lost!