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Spindle Basics
Minimizing Spindle Downtime: Preventative Maintenance & More
Downtime is inevitable for any machine, but knowing how to reduce downtime or minimize its likelihood is critical. Since the spindle component of any machine experiences the most wear, any maintenance plan must address spindle health and downtime prevention. Preventative spindle maintenance and monitoring can increase productivity and profits, improve parts quality, reduce repair costs, and ensure operators’ safety.
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Spindle Noise: Potential Causes & Troubleshooting
One of the most valuable tools for identifying spindle issues is sound. Spindle assemblies vibrate naturally during operation, but excessive vibration that causes unusual noise is a sign that something could be wrong.
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What Is Spindle Bearing Preload and Why Is It Done?
In this helpful guide to spindle bearing preload, Northland Tool & Electronics will answer all the basic questions about your spindle bearing preload calculations. More importantly, we’ll discuss exactly why this is so crucial to the performance and longevity of your spindle. What Is Spindle Bearing Preload? First, let’s define preload. Preload is a predetermined static load that applies to all rolling components evenly. Specifically, bearing preload keeps the rolling elements in constant contact with the races to ensure that the dynamic loads, while in use, are exactly where they need to be to maximize accuracy and spindle life span.
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Radial & Axial Runout Explained
In machining, runout refers to inaccuracies in a tool or piece of equipment that cause it to spin off its ideal axis. Spindle runout occurs when a spindle no longer rotates on its intended axis, which can result in: Inaccurate machine registration Issues with tolerance control Excessive chip load Poor part finishes Insufficient tool life Because of these risks, it’s recommended that you test your spindles for runout regularly and obtain necessary repairs as soon as possible. There are two types of spindle runout: radial and axial. Both can lead to similar issues.
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Delaying Spindle Service Causes More Damage, Costly Repairs
Running this spindle too long caused deformed ball bearings and damage to the outer race Damage to the outer race is consistent with prolonged operation after spindle exhibited initial signs of needing to be rebuilt Every spindle rebuilt by Northland Tool is backed by a 1-year warranty on parts and workmanship Over 2 years in the making A customer reached out to us over 2 years ago with a complaint that their spindle was starting to get noisy. We provided an estimated cost of $5,000 to rebuild.
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