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AUTOMATIC MACHINE FOR SIDE GRINDING WITH DOUBLE WHEEL ON CARBIDE-TIPPED CIRCULAR SAW BLADES FROM ø100 TO ø850 MM. WITH 4 CNC AXISHIGHLIGHTSAny tooth pitch is possibleIntegrated refrigeration equipmentRobust and very simple design that allows continuous use of the machine without breakdownsEasy to useVery compact machine with a wide range of disc diameters: from 100 to 850 mm.ELITE GBT 850. THE CONCEPT.The ELITE model GBT 850 is our automatic dual-side grinding machine for circular saw blades from ø100 to ø850 mm. diameter.It allow for precise and rapid grinding of tooth flanks to manufacture carbide-tipped circular saw blades or for tip replacements.It is designed to be automatic without unnecessary additional costs. No complicated extra that can easily break or are expensive to repair.ELITE GBT 850. HOW IT WORKSVery simple programming through a guided menu or entering grinding data.Automatic work by means of 4 CNC axes:X: Sharpening pathY1: Tangential angle of wheel No. 1Y2: Tangential angle of wheel No. 2A: Tooth pitchFully enclosed cabin for silent operation with a very fast door opening system that guarantees quick mounting of the saw blade and access door for maintenance.Easy to use control panelThe control panel incorporates a color touch screen. This screen has been designed with a fast and easy-to-use interface that makes it very user-friendly. It is also possible to create or edit a program while the machines is running.The machine includes a LED cabin light as standard.Tooth pitch programmable through the software on the control panel.Control PanelGrinding wheel rotation speed variable from 5.000 to 9.000 RPMThe direct grinding wheel spindles are adjustable between 5,000 to 9,000 RPM for optimal sharpening quality with minimal grinding wheel wear.The spindles are driven by a frequency inverter, so you can adjust the grinding wheel speed to the optimal value as well as reduce energy consumption.Saw diameterSaw diameter from ø100 mm. up to ø850mm. diameter to grind the flanks of scoring discs or portable machines as well as sawmill saws.Allows indexing of any type of tooth pitch.Integrated refrigeration equipmentMachine operates with water-soluble coolant or grinding oil for better sharpening quality and longer grinding wheel life.
Integrated coolant system with 220-liter tank and removable grates for easy cleaning.Easy access and maintenanceAt the back of the machine we find the electrical panel at the bottom and the mechanical system at the top, both protected by their corresponding easy-access panel, which also reduces the total space needed for the machine.ELITE GBT 850. EQUIPMENT INCLUDEDGrinding wheel holder for sharpening wheels (two units).3 mm. feed pawlLighting of the work area using LED lampDevice for sharpening saws of equal diametersMachine closed by enclosure.Prepared for connection to a machine filtration system or a centralized filtration system.ELITE GBT 850. SPECIFICATIONSTECHNICAL DATAGBT 850Saw blade diameterFrom ø100 to ø850 mm. (4" to 33.5")Saw blade hole diameterFrom ø10 mm.Saw tooth thicknessUp to 14mm.Saw body thicknessUp to 8mm.Tooth pitchFrom 1 to 125 mm.Grinding wheel diameterø100 mm. (2 units)Grinding wheel hole diameterø20 mm.AutomationUsing 4 CNC axes (X, Y1, Y2, A)Manual axlesB, ZSaw holdingBy pneumatic clampingMotor wheel0.75 kW x 2 unitsGrinding wheel speedAdjustable from 5000 to 9000 RPMMachine dimensions1650 x 1200 x 1900mm.Machine weight740 Kg.FLANK GRINDINGGrinding pathUp to 40 mm. (1,57")Rake angleFrom -15º to +30ºRadial cutting angleFrom +5º to +6ºTangential cutting angleFrom 0º to 8ºREFRIGERATION EQUIPMENTTank capacity220 litersCoolant flow rateUp to 40 liters/minuteTECHNICAL REQUIREMENTSA 6 bar air connection is required.
Connection voltage: 220/400V 2Ph 50/60HzRequired connection power: 2.5 kWRECOMMENDED OPTIONAL ACCESSORIESSaw blade holders for scoring blades and discs Ø200–450, Ø400–650, and Ø600–850 mm.Centering rings in different sizes.Saw holder deviceMist extraction equipment.Equipment for oil operation.Filtration system: ELITE FILTRAmaq UNO, SOLO, or PRO models. Filtration up to 2 µm. Recommended for improved sharpening quality.DOWNLOAD LEAFLETVIEW USER MANUALCOMPLETE SOLUTION FOR THE REPAIR OF CIRCULAR SAWSTogether with the tungsten carbide plate welderELITE model SOLDAmaq 1200, you can carry out the complete repair of your circular saws in three steps:Desoldering of damaged teeth in the welderSOLDAmaq 1200Welding of the new carbide plates in the welderSOLDAmaq 1200Grinding of the side flanks on the GBT 850/GBT 851And we already have the saw repaired!REQUEST INFORMATIONMACHINES COMPARISONS AT A GLANCEMODELTOP GRINDINGFACE GRINDINGBACK OFF GRINDINGSIDES GRINDINGAUTOMATIC MEASUREMENTAVB 851All tooth shapesAll tooth shapesNoNoYesAVB 850All tooth shapesAll tooth shapesNoNoNoAVB 750All tooth shapesAll tooth shapesNoNoNoSVG 850All tooth shapesFlat teethNoNoNoSVG 750All tooth shapesFlat teethNoNoNoMVB 850Flat teethFlat teethYesNoNoMVB 750NoNoYesNoNoMVB 670Chipbreaker slotsNoNoNoNoMVB 650NoHollow faceNoNoNoGBT 851NoNoNoYes both sides at same timeYesGBT 850NoNoNoYes both sides at same timeNoGBT 750NoNoNoYes: One side at a timeNo