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Spindle Repair Questions

On this page (12)
  • Can HST Repair My Spindle?

    October 30, 2023

    It is almost a certainty that we can repair your spindle to like new condition. HST has over 100,000 spindle repairs in our database and over years of experience. The…

  • If I use Ceramic Bearings, Can My Spindle Run Faster?

    October 30, 2023

    Perhaps. But there are many factors to consider when replacing the bearings on a machine tool spindle. Whether the balls are ceramic or steel is not necessary the most important…

  • Does HST Have an Emergency Spindle Repair Service?

    October 30, 2023

    If you have a production critical machine down, HST can offer our emergency spindle repair service or what we call Quick Turnaround (QTA) service. Your spindle will move to the…

  • Can I Repair My Own Spindle?

    October 30, 2023

    Hand lapped spacer +/- 2µmThe short response to Can I Repair My Own Spindle is “probably not”. It is true that machine shops make precision parts: they are used to…

  • How Long Will a Roller Bearing Last in the Absence of Lubrication?

    April 7, 2016

    Tom M. a maintenance supervisor at GSO &M sent us the above question.Some of our original response to the question above was incorrect. We recently received an email from a…

  • What is Preload?

    April 7, 2016

    Axial Preload for Angular Contact Bearings Preload is the load generated from the axial or radial interference within a bearing resulting in elastic deformation between rolling elements and the raceway.…

  • What is ABEC 7?

    April 6, 2016

    HST only uses top name brand ABEC 7 bearings ABEC ratings have to do with the quality and precision of the bearing. It is an industry accepted standard developed by…

  • What is ISO 1940/1 G0.4.?

    April 6, 2016

    ISO 1940/1 is an international standard used for qualifying the balance of rotating rigid bodies. The standard also specifies the method for verifying residual imbalance. G0.4 is a particular balance…

  • What is Trim Balance?

    April 6, 2016

    Trim balance is the final balance procedure done to a spindle after assembly and during full speed testing. This is procedure is necessary for two reasons. One, often additional components…

  • What is Imbalance and How is it Corrected?

    April 6, 2016

    Imbalance is caused by the displacement of the center of mass from the rotational axis which is a function of eccentricity in the distribution of the rotating mass. It is…

  • What Lubrication Should I Use?

    April 5, 2016

    Today there are many excellent lubricants for the full spectrum of spindle applications. The OEM should always be the first source for lubrication requirements. However, if that information is not…

  • Why Did My Spindle Fail?

    April 5, 2016

    In our data base of over 100,000 repairs we have seen a broad spectrum of failures. Some common failure causes include: Contamination Mishandling Incorrect Preload Overloaded Lubrication Imbalance Drawbar Mechanism…

Send us the make, model and what it is doing

Evaluation takes 24–48 hours and the report includes photographs. You get a firm quote before anything is touched.