Troubleshooting a Noisy Auger Mixer: Hado Mixer Knocking Explained

Question:

Check out the attached document for information on a noisy auger mixer. The motor is connected to a parallel gearbox that drives the cone-shaped auger, causing vibrations at different speeds. The motor runs at around 900 RPM, while the gearbox outputs at 30 RPM. See attached for more details.

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The limited data provided reveals a noticeable disruption in the motor's rotation frequency, indicating a potential issue with excessive motor bearing clearance leading to bearing failure. It is recommended to replace the motor bearings promptly to address this problem effectively.

I am currently at that stage where the difference becomes apparent when transitioning from a slow pace to a full sprint.

From your description, it sounds like you're dealing with a common issue many encounter with auger mixers. The discrepancy between the RPM of the motor and the gearbox output could be contributing to the excessive vibration. It might be worth checking if the gearbox and the motor are correctly aligned and that the mixer's bearings aren't worn out. You could also think about adding some form of vibration damping to the assembly. The attachment provides interesting insights but doesn't mention these aspects.

That's quite an interesting setup. It seems like the vibrations at different speeds may be a result of the stark RPM difference between the motor and the gearbox. Perhaps there might be too much strain on the gearbox slowing the rotations down from 900 RPM to just 30 RPM, causing it to vibrate? An option could be to insert a mechanism to decrease the motor speed before it reaches the gearbox, reducing the disparity and potentially easing the vibrations.

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Frequently Asked Questions (FAQ)

FAQ: 1. What could be causing the noise in the auger mixer?

Answer: - The noise in the auger mixer is likely caused by the vibrations generated by the motor connected to the parallel gearbox that drives the cone-shaped auger. The motor running at 900 RPM and the gearbox outputting at 30 RPM can lead to these vibrations.

FAQ: 2. How can I troubleshoot the noisy auger mixer?

Answer: - To troubleshoot the noisy auger mixer, you can start by inspecting the motor, gearbox, and auger for any signs of wear or misalignment. Check for loose components and ensure that everything is securely fastened. You may also want to refer to the attached document for more detailed information.

FAQ: 3. Are there any specific maintenance steps recommended to reduce the noise in the auger mixer?

Answer: - Regular maintenance of the motor, gearbox, and auger is essential to reduce noise in the auger mixer. Lubrication of moving parts, checking for worn-out components, and ensuring proper alignment of the machinery can all help minimize the noise levels. It is advisable to follow the manufacturer's guidelines for maintenance procedures.

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