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BRAXL - 22 Pages

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Catalogue excerpts

2016 © TOOL TRADE s.r.o. All rights reserved

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CBRAY CNC MACHINING CENTRES BRAXL PRECISION DYNAMICS SPEED ■ 5-axis double gantry CNC machining centre ■ machining big parts from composites | plastics | aluminium | ■ automotive industry | aerospace industry | machining of patterns and moulds | special applications ■ hybrid technologies: - ultrasonic cutting 2016 © TOOL TRADE s.r.o. All rights reserved

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BRAXL The 5-axis gantry-type machining centre for the manufacture of big patterns, moulds, cutting of plastic pressings from vacuum presses, etc. The machined materials include alloys of aluminium, non-ferrous metals, composites, plastics, epoxy etc. DESIGN After welding, all parts of the frame from thick plates are annealed and then machined on 5-axis machining centres and checked by a measuring device. This guarantees dimensional accuracy and geometric fidelity of individual parts and thus of the whole machine. The frame structure has been optimized by finite element method for the calculation...

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'BRAY CNC MACHINING CENTRES Technical parameters Size of linear guide and ball screw 2016 © TOOL TRADE s.r.o. All rights reserved

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BRAXL 5-axis machine The 5-axis machine (5 NC axes: X, Y, Z, A, C) is equipped with a precision automatic swivel head HB 710. The head is standardly equipped with an electromagnetic locking system for fixing of the A and C axes, which is used in particular in the indexed machining of Al alloys. Per order it is possible to deliver the head with HEIDENHAIN absolute measurement. 2016 © TOOL TRADE s.r.o. All rights reserved

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'BRAY CNC MACHINING CENTRES Milling heads: •    Heads HB 678/HB 778 have encoders for thread cutting and direct measurement on A/C axis. •    Heads HB 678/HB 778 can be cooled by oil mist or fluid through the tool centre. • Heads HB 678/HB 778 standardly have pneumatic brakes on both axes; they can be delivered with hydraulic brakes. Head HB 710 has electromagnetic brakes. 2016 © TOOL TRADE s.r.o. All rights reserved

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'BRAY CNC MACHINING CENTRES Geometrical accuracy of machine Positioning accuracy XYZRepeatability A/C ±0,015 (±0,030)** ±0,01 (±0,015)** HB710    HB678 *According to VDI/DGQ 3441 standards. ** Without direct measurement on all axes. 2016 © TOOL TRADE s.r.o. All rights reserved

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'BRAY Types of work tables    cnc machining centres ALUMINIUM work table Universal ALUMINIUM work table with threads M10 in raster 100 x 100 mm is particularly suitable for machining plastics, composites and aluminium alloys. Work table from hardened KARTIT Universal work table from hardened KARTIT with M10 threads in raster 100 x 100 mm is particularly suitable for machining plastics, composites and wood patterns. Universal clamps are mostly used for the clamping. CAST IRON work table Universal work table from cast iron with cross T-slots for standard T-nuts suitable in particular for machining...

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BRAXL Tools can be changed in two ways. Manual tool change is suitable for manufacture, wherein the tools are changed in longer time intervals. Automatic change is suitable in all other cases. The tool changer also includes the TOOL MANAGER program options according to the type and possibilities of the control system.

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'BRAY CNC MACHINING CENTRES Control system The machine is standardly delivered    with the HEIDENHAIN iTNC530 HSCI or SIEMENS SINUMERIK 840D SL control system. The choice of the system depends on the qualification of the machine operators and their usual practice.

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Linear guide covers Linear guides of X, Y, Z axes are covered by bellows from various materials according to the production nature. The bellows ensure protection against penetration of dust and chips onto linear guide, including carriage. The Z-axis guides are equipped with both-side dust wiping. The machine construction allows using so-called "double gantry" on X and Y axes (Z-axis - preloaded ball-screw – absence of play). Those are electrically preloaded pinions on the rack, one against another. This provides for elimination of play between the rack and the pinion during machine reversing. Integrated...

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BRAXL Probes, measurement and alignment The machine can be delivered with a tool probe (measurement of length and diameter of the tool) and alignment probe (measurement and alignment of the work piece). The measuring functions depend on the type of the control system. The supports the user and assist in reducing down time. The probes standardly offer a lot of preset cycles for automatic setting of the work piece after its clamping, setting of the machining origin, reference point, tool measuring, and final measurement of the finished part. 2016 © TOOL TRADE s.r.o. All rights reserved

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'BRAY CNC MACHINING CENTRES Machining of aluminium alloys 2016 © TOOL TRADE s.r.o. All rights reserved

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BRAXL Machining of composites For composite machining the machine with HS 710 head can be equipped with integrated AET for exhaust directly from the cut. The exhaust capacity is supported by an axial exhaust turbine, which has sufficient suction power for exhausting chips directly from the cut. The exhaust nozzle terminal must be adapted to the tool length and diameter. The following figure shows the exhaust principle. Integrated AET (AIR EXHAUST TURBINE) 2016 © TOOL TRADE s.r.o. All rights reserved

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'BRAY CNC MACHINING CENTRES MOBILITY    PRECISION    SPEED AND EFFICIENCY 1) Measurement of geometric accuracy and positioning in the course of production and during installation of BRAY® machines 2) Machine alignment after collision 3) Receiving inspection of parts before machine assembly 4) External services - check of dimensions at Client’s premises 2016 © TOOL TRADE s.r.o. All rights reserved

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'BRAY CNC MACHINING CENTRES Aerospace industry www.hph.cz www.migavia.ru    RU http://tl-ultralight.cz    CZ 2016 © TOOL TRADE s.r.o. All rights reserved

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'BRAY CNC MACHINING CENTRES auconeum www.autoneum.com www.benet-technology.cz    CZ 2016 © TOOL TRADE s.r.o. All rights reserved

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