Pegas-Gonda 340 KATANA X-CNC-LR Katana Band Saw Machine (Pegas-Gonda 340 KATANA X-CNC-LR)

It is a highly efficient automatic hydraulically controlled band-saw with multiple material feeding. The band saw machine is designed for cutting in automatic cycle perpendicularly as well as angularly.

It enables angle cuts to the right 0–60 degrees and left 0–45 degrees. Automatic turning to angular cuts is a part of cutting programs.

Feeder movements are performed using a ball screw. Bow movements are driven by a ball screw, while bow turning is realized by a gear train.

The machine is suitable for cutting steel constructions and profiles with a long-step feeder (L = 1000 mm, single feeder speed).

The machine is constructed for automatic cutting of long bars including automatic turning. When cutting automatic programs with angle cuts and lengths shorter than 500 mm, the machine automatically interrupts the cycle and waits.

The machine is designed to saw steel materials, as well as non-ferrous and light metals. Other materials may only be sawn after approval from the manufacturer.

• Programmable PLC SIEMENS SIMATIC S7-1200.
• Band blade drive, arm movement and feeder movement fully controlled by SIEMENS technology.
• SIEMENS TP 700 COMFORT colour touch screen HMI for operator interaction.
• Display of blade speed, cutting feed, arm movement and cutting parameters.
• Two operating modes: SEMIAUTOMATIC and AUTOMATIC.

Semi-automatic cycle:

The operator feeds material manually using feeder buttons or GTO function. After setting feeder position and pressing START GTO, the feeder moves automatically to the defined position.

Automatic cycle:

The feeder feeds material according to programmed parameters. The system allows up to 200 cutting programs. One program includes blade speed, feed rate, bar height, length, angles and number of pieces.

Up to 99 different lengths can be defined in one program. Feasibility of cutting is displayed graphically on the control screen.

• Cutting feed rate regulated by servomotor, ball screw and KM nut.
• Two ASR systems: ARP and RZP.
• BIMETAL and CARBIDE cutting modes.
• Safety module with autodiagnostics.
• Movable ergonomic control console independent of turntable position.

• Heavy-duty welded construction for extreme industrial conditions.
• Robust arm with high rigidity and cutting precision.
• Arm movement along two columns with four-row linear guides.
• Arm movement driven by ball screw.
• Metal cast drive and tension pulleys.
• Upper and lower arm positions adjustable via control system and mechanical stops.
• Main vice with massive cast jaws and hydraulic clamping.
• Feeder with 970 mm feeding step, linear guides and support rollers.
• Feeder driven by inverter, electromotor with encoder and ball screw.
• Floating feeder vice to compensate material curvature.
• Optical sensor for material presence detection.
• Turntable driven by electric motor with worm gearbox.
• Angle indication via SIEMENS display and incremental sensor.
• Blade inclined by 4° for higher cutting performance and blade life.
• Hydraulic blade tensioning with automatic indication.
• Passive blade cleaning brush.
• Cooling system with LocLine nozzles.
• Massive base with chip tank, crane and forklift handling.

• Two movable cylinders for supporting cut material.
• Spray gun for swarf removal.
• Work area lighting.
• Band saw blade.
• Set of spanners for common service.
• Electronic manual (CD).

After starting the cutting cycle, the machine clamps the vices and performs the cut. After reaching the lower position, the arm moves up automatically.

The feeder advances material to the next cutting position, the main vice clamps the material and the feeder vice returns for the next feed. The cycle repeats automatically.

The operator only loads new material and removes cut pieces. Blade speed and feed rate can be adjusted during cutting.