Here at High Speed Technologies we know proper drawbar pull force is essential for maintaining rigid tool capture. And rigid tool capture is essential for precise high-speed machining and good surface finish quality. Inadequate drawbar tension allows slight movement of the tool holder within the interface surface. This can damage the taper and add as [...]
PART 3 of How to replace damaged bearings on a precision CNC spindle Installing Angular Contact Bearing and Preload This is the third in a five part series of tips and suggestions for replacing bearing in a precision CNC spindle. This series is specifically for the DIY person with limited resources. It is not a comprehensive description [...]
PART 2 of How to replace damaged bearings on a precision CNC spindle Angular Contact Bearing Installation and Lubrication This is the Second in a five part series of tips and suggestions for replacing bearing in a precision CNC spindle. This series is specifically for the DIY person with limited resources. It is not a comprehensive description [...]
How to Replace Damaged Bearings on a Precision CNC Spindle We see a lot of forums with questions concerning how to replace bearings on a CNC spindle. So we’ve decided to write a few blog pages that we hope will be helpful for the shops that want or need to DIY. Should you attempt to replace [...]
PART 5 of How to replace damaged bearings on a precision CNC spindle This is the fifth in a five part series of tips and suggestions for replacing bearing in a precision CNC spindle. This series is specifically for the DIY person with limited resources. It is not a comprehensive description of how a fully equipped shop [...]
PART 4 of How to replace damaged bearings on a precision CNC spindle This is the fourth in a five part series of tips and suggestions for replacing bearing in a precision CNC spindle. This series is specifically for the DIY person with limited resources. It is not a comprehensive description of how a fully equipped shop [...]
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 reader who pointed out our error. It is our desire to publish correct and accurate information. So please accept our apology and note the [...]
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. In other words, preload is the amount of force exerted against the rolling elements without the application of any external forces. Proper preload [...]
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 the Annular Bearing Engineering Committee (ABEC) of the American Bearing Manufacturers Association (ABMA). There are five (5) ABEC classifications 1, 3, 5, 7, [...]
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 grade within the overall standard. Compliance with this standard requires that the maximum residual imbalance falls within certain limits dependent on the overall mass of [...]