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Twist Drill Point Grinding And Inspection

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Winslow Engineering Inc. manufactures twist drill point grinding equipment, as well as cutting tool inspection equipment for examining geometric features.


One of the company’s machines, the Model 100C, is routinely employed by medical twist drill manufacturers for point grinding.  This particular model can grind as many as 500 drills per hour, and maintain concentricity to 0.0005". In addition, operators can drills with diameters ranging in size from 1/16" to 1 ½".


Also offered is the company’s Model 560 tool analyzer, which is available in three models—the 560 Scope, the 560 DRO and the 560 Video.



  • Choosing The Right Grinding Wheel

    Understanding grinding wheel fundamentals will help you find the right wheel for the job.

  • What Is Single Point OD Grinding?

    Two enabling technologies -- superabrasive wheels and high precision servo control -- come together to provide a contour grinding process that resembles an OD turning operation. For many medium volume OD grinding applications, this method may be a means to consolidate several manufacturing steps into a single setup.

  • Vertical Grinding Has Advantages

    In vertical grinding, the workpiece is held upright in a rotary chuck with the grinding spindle overhead. This configuration can improve roundness, facilitate single-setup processing and prolong the life of the machine. Loading and unloading may gets easier, too. Workpieces with relatively large diameters and short lengths benefit the most from vertical grinding.