Lightweight tools line for large diameter boring
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MACROBOHR MACRO BOHR Lightweight tools line for large diameter boring FOR HEAVY ROUGHING AND PRECISION FINISHING HIGH STRENGTH ALUMINIUM PLATES MODULAR BORING SYSTEM

MACROBOHR PRECISION FINISHING m Using one cartridge available among several standard insert geometries. High precision adjustment through a graduated dial featuring a read out with accuracy of 0.002 mm in diameter. HEAVY ROUGHING Using two cartridges available among several standard insert geometries. m The unit is adjusted through both the boring head adjusting screw and the own's cartridge adjusting screw. 'm Safety lock provided by the boring head's locking screw as well as the locking nut. m 75° or 90° cutting angle choice. MODULAR BORING SYSTEM m 8 aluminium plates allow a wide boring...

MACROBOHR MACRO BOHR

Finish boring overview Boring range: MACROBOHR MACRO BOHR ARBORS (DIRECT MOUNT) page 9 ARBORS (ADAPTOR MOUNT) page 10 EXTENSIONS (OPTIONAL) page 11 ALUMINIUM PLATES page 12 FINISH BORING HEAD page 13 FINISH CARTRIDGES page 13 The total boring depth of the application is calculated by adding the “H” value of each item assembled.

Outside diameter finish turning overview Turning range: ARBORS (DIRECT MOUNT) page 9 MACROBOHR MACRO BOHR ARBORS (ADAPTOR MOUNT) page 10 EXTENSIONS (OPTIONAL) page 11 ALUMINIUM PLATES page 12 FINISH BORING HEAD page 13 FINISH CARTRIDGES page 13 Outside diameter finish turning is performed by reversing the position of the finish boring head and counterweight as shown above. Outside diameter finish turning depth up to 79 mm maximum. Machine must allow left-hand turning.

Reverse finish boring overview Boring range: ARBORS (DIRECT MOUNT) page 9 MACROBOHR MACRO BOHR ARBORS (ADAPTOR MOUNT) page 10 EXTENSIONS (OPTIONAL) page 11 ALUMINIUM PLATES page 12 FINISH BORING HEAD page 13 REVERSE FINISH CARTRIDGES page 14 The total boring depth of the application is calculated by adding the “H” value of each item assembled. Reverse boring requires entering through a previous hole with the tool stopped and off-center from the axis of the boring hole.

Rough boring overview Boring range: MACROBOHR MACRO BOHR ARBORS (DIRECT MOUNT) page 9 ARBORS (ADAPTOR MOUNT) page 10 EXTENSIONS (OPTIONAL) page 11 ALUMINIUM PLATES page 12 ROUGH BORING HEAD page 15 ROUGH CARTRIDGES page 15 The total boring depth of the application is calculated by adding the “H” value of each item assembled.

Outside diameter rough turning overview ARBORS (DIRECT MOUNT) page 9 MACROBOHR MACRO BOHR ARBORS (ADAPTOR MOUNT) page 10 EXTENSIONS (OPTIONAL) page 11 ALUMINIUM PLATES page 12 ROUGH BORING HEAD page 15 ROUGH CARTRIDGES page 15 Outside diameter rough turning is performed by reversing the position of the rough boring heads as shown above. Outside diameter rough turning depth up to 70 mm maximum. Machine must allow left-hand turning.

Direct mount MACRO BOHR Direct mount arbor configuration. Product Number Product Number Product Number

Adaptor mount MACRO BOHR Adaptor mount arbor configuration is used when extended boring depths are required. Dimension Product Coupling Dimension Product Coupling Dimension Product Coupling Dimension Prod uct Coupling Dimension Prod uct Coupling

Extensions (Optional) Adaptor mount MACRO BOHR Dimension Product Coupling Dimension Product

MACRO BOHR Inside Diameter * "H" shall be applied to obtain the total boring depth only in case of Inside Diameter boring.

Finish boring head MACRO BOHR Adjusting accuracy 0.002 mm 0 Dimension Product Adjusting Locking Locking Cartridge Cartridge H L Li Number g" Key Screw Key Screw Key Finish cartridges Product Number Torx Screw

MACRO BOHR Dimension Product

MACRO BOHR m Rough boring head moves forward through its adjusting screw. 'm Safety lock provided by the boring head's locking screw as well as the locking nut. ^ Two units of boring head MB D 068 are needed for any roughing application. Dimension Product Adjusting Adjusting Locking Locking Locking H L Li Number g" Screw Key Nut Screw Key m Rough cartridges also have their own adjusting screw:

MACRO BOHR Lightweight tools line for large diameter boring