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1st Machine Tool Accessories (1st MTA) will launch an attachment to automate drill refurbishment – the latest addition to the Darex XT3000 Xpandable tool sharpener system – at Mach 2010 on 7-11 June.

According to the company, which will be found on Stand 5439 at the event, which will be held at the NEC in Birmingham, the new module comprises an automated sharpening fixture, a geared drill holder and a control panel.

The module is claimed to deliver the fast and accurate regrinding of drills measuring up to 21mm in diameter by ensuring the precise control of drill setup, sharpening loads and cycle times.

In operation, a blunt drill is loaded into the holder and its flutes are aligned.

The collet is then loaded into the automated drive unit and various parameters, such as point angle, stock removal and the number of drills to be sharpened, are specified on the control unit.

The operator presses the cycle start button to initiate the drill’s refurbishment at constant cutting speed and load.

The XT3000 meets or exceeds international aerospace standards for controlling key geometry variation, ensuring precise drill performance, according to the company.

It also incorporates roller bearings for accuracy over an extended service life and is supplied with two stainless-steel chucks for sharpening drills measuring up to 21mm (13/16in) as standard.

The system is equipped with long-lasting, super-abrasive CBN wheels for high-speed steel and cobalt drills.

Alternatively, the system can be supplied with diamond wheels for carbide tooling.

The maintenance-free wheel types do not require any dressing.

The new auto-sharpening attachment extends and complements the capabilities of other XT3000 optional modules, including units for Morse taper, common shank, sheet metal point (Brad Point) and 90deg point drills.

A dedicated step drill attachment is also available, along with a large-capacity attachment for drills measuring up to 30mm in diameter and a countersink module for regrinding Weldon-type or single-flute countersink tools.

All accessories are fitted to the XT3000 base by hand and adjusted without the need for any tools.

The sharpener is powered by a 0.25hp motor, which is rated for continuous use, and the system’s enclosed design incorporates a vacuum extraction port for clean and safe operation.

1st Machine Tool Accessories

1st Machine Tool Accessories Ltd specialises in high quality workholding equipment and associated products from the world’s leading producers.

1st Machine Tool Accessories Ltd specialises in high quality workholding equipment and associated products from the world’s leading producers.

1st MTA:

·         provides technical assistance via trained representatives including site visits and demonstrations where possible;

·         is constantly expanding and updating the product range to give customers the best possible choice;

·         offers bespoke/customised solutions;

·         provides the easiest and most efficient way to order all your machine tools and accessories by phone, fax or on-line.

The product range includes:

·         Kitagawa:

o   Chucks: power, collet, manual, speciality and all accessories.

o   Cylinders: hydraulic and pneumatic.

o   NC Rotary Tables.

o   Vises: precision machine.

·         Fixturing and Clamping Parts.

·         Collets:

o   Varibore,

o   Spring,

o   Emergency

o   Pull back.

·         Chick Workholding: the leader in modern workholding for modern CNC machines.

·         Brighetti Reduction Bushes:

o   Slotted

o   Cylindrical

o   Conical

o   Elastic

o   Fixed by dowels.

·         OK Vise: low-profile clamping.

·         Mitee Bite: versatile, cost-effective clamping – fast and easy operation.

·         Cooljet High Pressure Coolant.

·         Magnetic Filtration

·         Bison:

o   Chucks: manual and power;

o   Hydraulic/pneumatic cylinders;

o   Precision machine and bench vises;

o   Rotary tables and indexing fixtures

·         Abbott Workholding:

o   Pie jaws;

o   Tooling columns.

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