Extend 900.720 A 1500/2500
An automatic band saw of a double-column construction, designed for perpendicular cuts of full, as well as pro le materials. The outstanding cutting power of the machine results from the following features: a three-sided hardmetal band precision guide, a saw arm laid both- sided on preloaded linear guides, a 54 mm high saw band and lastly, a synchronous running brush for chips disposal. The pedestal, frame and pillars in all Extend Series machines are lled with a polymer-concrete mixture developed by our company.
In connection with preloaded, largely over- dimensioned guiding, the polymer-concrete technology allows the machine to perform cuts with almost no vibrations. Material downfeed is controlled electromechani- cally, while material clamping and arm downfeed are controlled hydraulically. The maximum length of an individual feed is 1,500 mm or 2,500 mm. The whole work cycle is completed after the length and number of pieces have been programmed.
The programming is performed in simple steps, and thanks to a large graphic display of individual sections it is easy to control for the user.
All control elements are located on the freely-adjustable control panel. Machine control system is from prestigious company B&R. Machine control is via the touch screen and separate mechanical buttons for each machinefunction.
After switching the machine to the semiautomatic mode, all functions of the machine may be controlled separately. Material clamping is performed by full stroke vices. The machine is equipped with a frequen- cy convertor that allows the saw band optimal speed to be set against the processed material within the 15–90 m/min range; this signi cantly increases both the saw band lifetime and the machine’s productivity.
Standard equipment also includes automatic downfeed pressure regulation depending on the resistance of the processed material, and continuously adjustable arm downfeed. The saw band is tilted against the vice load surface at a 2° angle, which substantially shortens cutting times and contributes to a longer lifetime of the saw band. Machine can be extended by handlig systems and cross conveyer units. Extend A is basic for a completely unattended automatic and personalized customer cutting line.
Key features
- Two-column structure
- Hydraulic full-lift clamping vice
- Continuously adjustable saw arm feed to depth and pressure to depth
- Freely positionable control panel
Cutting parameters
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| 0° | 720 | 900×720 | 720 |
Technical specification
| Working mode: | automatic |
| Machine type: | Horizontal bandsaw |
| Cut: | Straight cut |
| Mitre cuts range: | 0° |
| Drive: | 5,5 kW, 3×400 V/50 Hz |
| Saw band speed: | 15 – 90 m/min. |
| Saw band dimensions: | 8 560×54×1,6 mm |
| Material loading height: | 780 mm |
| Shortest remainder length: | 300 mm |
| Smallest sawing diameter: | - |
Machine dimensions
| Length: | 3 000 mm* |
| Width: | 4 000 mm |
| Height: | 2 600 mm |
| Weight: | 8000 kg *with feeder 1500mm |
Suitable handling systems
Handling System X/XP
The new X/XP handling system offers unprecedented flexibility for tailoring a handling system to individual needs and conditions. Load capacities and automation levels can be adjusted with perfect flexibility and modified at a later time. Besides the roll conveyor in a regular and propelled version, the X system comprises a rich array of options, from vertical rollers, to length measuring systems all the way to cross conveyor units and shifting devices. The load capacity can be customized by the number of rollers and support feet used. The roll conveyor's feed profile even allows varying roller and foot distances on the same roll conveyor unit. When needed, additional rollers and/or support feet can be installed at any time.
Accessories
Saw band tension indicatorThe saw band tension indicator provides permanent control of the band tension, even during the machine operation.
Micro-spray-systemFor ideal cutting of pipes and profiles, the micro-spray unit applies a grease film on the teeth points and lateral sides of the saw band.
Hydraulic bundle clamping device Device for clamping materials in layers and bundles with the use of an additional vertical clamping unit.
Downfeed speed readoutAllows easy and accurate reading of the current rate of descent of the machine arm into the cut.
Additional vice Divided clamping device with hardened inlays and a full-lift cylinder for tensioning before and after the saw blade.
Laser linerThe laser unit copies the exact line in the saw band axis to the material. Laser Liner allows precise adjustment of the marked material.
Workspace lightingA LED lamp for lighting the workspace, adjustable and mounted on the flexible arm.
Third coolant supply The third coolant supply is used for extra wide materials. The coolant supply is flexible and may be individually adjusted to the material shape.
Tenzomat A precise measuring tool for the control of the saw band tension when a new band is installed.
Remote diagnostics and maintenanceOver an Internet connection, status and error messages are transmitted to the factory and decrease downtime.
Pistol for machine cleaningTool for fast and easy cleaning of the machine from chips and burrs.
Swarf removal systemSwarf extractor with grabs for an integrated system of collection in Proline machines. The saw is prepared for the chip remover installation, which may be Plug-and-Play connected.
