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Darex, a US manufacturer of drill sharpening equipment represented in the UK by sole agent 1st Machine Tool Accessories, has released the automatic model XPS-16, a faster and more accurate four-axis CNC drill sharpener.


The device can process two-fluted high-speed-steel, cobalt, carbide and coated bits from 3–16mm in diameter and can create any point angle from 90–150º.

The XPS-16 also sharpens split-point geometries and complex four-facet point drills and can automatically hone carbide drills for ultimate cutting precision. The CNC system allows the user to customise point styles and save the program for future use.

More key features and enhancements 

  • Further improvements over the previous model include an increased number of stored drill files; users can save up to 100 unique geometries.
  • The upgraded machine allows the user to choose between no-split, X-split, R-split and the new split-only option.
  • The start of the grind position has been incremented, producing more efficient use of the abrasive for longer wheel life.
  • Greater resolution has been added to the motors for improved surface finish.

Another new machine from 1st MTA

  • Another recent introduction from 1st MTA for automatic tool sharpening is the Darex XT-3000 Auto, which bridges the gap between a manually operated machine and a fully automated CNC sharpening system.
  • The automation attachment is factory-fitted to a new unit but can also be retrofitted by 1st MTA to existing Darex XT-3000s in the field. It allows the user simply to align standard conical drills, push the start button and step away.
  • The automatic sharpening system regrinds the bits without any further operator intervention, displaying relevant information on an LCD screen. Drills in the diameter range 3–21mm can be processed, although with an adapter bits up to 30mm can be sharpened.
  • Many types of right- and left-hand twist drills can be sharpened for machining metals and non-metallic materials, and adapters are available for step drills, countersinks, brad points and 90º points. A novel feature is the unit’s ability to count how many sharpenings it has completed and display the number on the screen, allowing timely maintenance to avoid unscheduled downtime.

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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