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#4
The Maintenance Saloon / A balancing device for crusher...
Last post by JamesWek - September 02, 2024, 10:51:PM
Description:

 
 
 
Order on eBay
 
 Balanset-1A is a practical and compact device for balancing and vibration analysis of various rotors. If your equipment includes crushers, fans, mulchers, centrifuges, or other rotating mechanisms, you will find this device essential. 
 
 What It Can Do: 
 
 Vibrometry Mode: 
 Tachometer: Measures rotation speed with high precision. 
 Phase: Helps determine rotor position for precise balancing. 
 1x Vibration: Shows the primary vibration frequency. 
 FFT Spectrum: Displays a full spectrum of vibration frequencies. 
 Overall Vibration: Displays the total vibration level. 
 Measurement Log: Records data for post-measurement analysis. 
 
 Balance Mode: 
 
 Single-Plane Balancing: Performs rotor balancing in one plane. 
 Two-Plane Balancing: Balances rotors in two planes when needed. 
 Polar Diagram: Visualizes the exact location for balancing weights. 
 Session Recovery: Picks up where the previous session ended. 
 Tolerance Calculator: Calculates allowable imbalance following ISO 1940. 
 Grinding Wheel Balancing: Helps align grinding wheels with precision. 
 
 Charts: 
 
 Overall Charts: Shows how the whole system behaves. 
 1x Graphs: Represents the vibration at the main frequency. 
 Harmonic Graphs: Analyzes the impact of additional frequencies. 
 Spectral Graphs: Displays the full frequency spectrum. 
 
 Additional Features: 
 
 Archive: Saves past sessions for future reference. 
 Reports: Generate detailed reports of results. 
 Rebalancing: Simplifies repeating the balancing process. 
 Serial Production: Perfect for large-scale balancing. 
 
 Package Contents: 
 
 Measurement Block: Central unit for all measurements. 
 Two Vibration Sensors: Precise measurement tools. 
 Laser Tachometer: Magnetically mounted optical tachometer. 
 Digital Scales: For measuring weights accurately. 
 Software: Note: Laptop not included. 
 Transport Case: Hard plastic case for protection. 
 
 Why It's the Best Choice: 
 
 Balanset-1A is simple to use, budget-friendly, and highly functional, making it ideal for balancing tasks in workshops and production settings. 
 
 Cost: 1999 $. 
 
 This tool is designed for ease of use, making it perfect for small shops as well as major manufacturing plants. 
 
 
Order on eBay
#5
The Maintenance Saloon / drive shaft balancing
Last post by RudolphCrago - August 16, 2024, 06:32:PM

Hi everyone! I've been thinking about drive shaft balancing on my car. I found this article , and it got me curious, is it necessary at all?

Balancing is pretty expensive. Maybe it's not worth the hassle, and just change the shaft occasionally. Or is the vibration so destructive that it's worth the cost?
#6
Are you attentive to the vibration of your equipment? Vibration serves as a crucial indicator of machine and mechanism health, and overlooking it can lead to significant failures. 

Using modern devices like the Balanset-1A and Balanset-4 allows for precise vibration measurements and the timely detection of issues such as bearing wear or shaft misalignment. Regular vibration monitoring helps prevent unexpected failures and extends equipment life. 

After implementing regular vibration monitoring with the Balanset-1A, users have noted significant reductions in breakdowns and downtimes. This not only saves money but also enhances overall productivity. 

Don't put off taking care of your equipment. Start monitoring vibrations today with modern instruments and ensure reliable machine operation. 

Here you can read more about How to balance a rock mix?
#7
Never seen anything like that. Only suggestion is to keep working backwards. Is it  possible to temporarily feed the machine from another source?
#8
The Maintenance Saloon / Re: Are HyperTough Battery Pow...
Last post by drodriquez - July 07, 2024, 04:39:AM
Hypertough battery leaking is one concern and battery fires are another topic worth mentioning.

Hyper Tough batteries, like any batteries, can potentially catch fire under certain conditions, although such incidents are rare. Battery fires are generally caused by specific factors that lead to overheating or short circuits. Here are some common causes and preventive measures:

Common Causes of Battery Fires:
Overcharging: Charging batteries beyond their recommended capacity can cause them to overheat, leading to a risk of fire.

Short Circuits: A short circuit occurs when the battery terminals come into direct contact with each other or with conductive materials, causing excessive current flow and heat buildup.

Physical Damage: Dropping, puncturing, or otherwise damaging a battery can compromise its internal structure, leading to thermal runaway and fire.

Manufacturing Defects: Poor quality control during the manufacturing process can result in defects that may cause batteries to overheat and catch fire.

Improper Storage: Storing batteries in high temperatures or in direct sunlight can increase the risk of overheating and fire.

Use of Incorrect Charger: Using a charger that is not compatible with the battery can lead to improper charging and overheating.

The risk of Hyper Tough batteries catching fire is low, but it is important to follow proper usage, charging, and storage guidelines to minimize this risk. Any cheap battery can detonate or burst into flames under the right conditions if you ask me.
 
#9
Electrical and Electronic / ABB DCS800 wont autotune armat...
Last post by tc429 - June 19, 2024, 10:26:AM
got a weird one...intermittently drive wont autotune at all, just shuts off arm over current...sometimes it ramps up halfway to max (100hp-190 amps) before autotune fail, twice its popped incoming fuses on drive...drives obsolete, they swapped several times, same condition...called me down, suspected power issue(know opening power under load they can pop) and found a lug burnt completely off the 118kva transformer tap- how it was running at all still bugs me as it had 450-460 which did seem a bit low, but it had all three phases... checking voltage under load saw one lag drop before it tripped out, aha...bad transformer...

anyways I got a known good set of firing and logic cards from a running machine, tested gated all the SCRS individually, no issues, reassembled, replaced fuses, hooked up our old Fluke power monitor to record voltages/currents(but its not super fast)and twice, near instant trips at autotune, third time it ramped up over 100 amps and tripped, tried twice more watching different things, and last time it tripped main 200a breaker to transformer and blew two drive fuses...

this things driving me nuts...maintenance has swapped motor several times, drive several times before i found the transformer issue, yet its still doing the same thing? all I can think of is pull the bussbox and check for a bad contact/loose wire, etc up there..,.just sure seems if something had arced in the main ceiling buss, it woulda blown up in a very noticeable way...

Anyways- anyone out there ever had armature autotune issues like this? think power dropping under loads makes sense? what bugs me is the fluke monitor didnt catch anything, but it may be way too slow compared to a semiconductor fuse- and I had it connected at transformer secondary just due to accessibility...

weve had probably 100 of these 100hp drives in use, never seen such a thing...think it has to be feed related.

gonna have them pull the plug from the bussway, but I dont want it touched till main buss can be switched off first...*if* plug is damaged, dont want any chance of blowing the buss...will have to wait till weekend...
#10
The Maintenance Saloon / Re: Are HyperTough Battery Pow...
Last post by drodriquez - June 08, 2024, 05:15:AM
What are the odds that Hypertough batteries will leak?

Hyper Tough batteries, like any batteries, have the potential to leak under certain conditions. Battery leakage can occur due to a variety of factors, including manufacturing defects, improper usage, or poor storage conditions. Here are some common reasons why batteries might leak and tips to prevent it:

Poor quality control during manufacturing can result in defects that may cause batteries to leak. Repeatedly using or charging batteries beyond their recommended capacity can cause them to overheat and leak. Dropping or otherwise damaging the battery can compromise its casing, leading to leakage. Extreme temperatures (both high and low) can cause batteries to swell and leak. Humidity and exposure to moisture can also be a factor. Batteries that are old or past their expiration date are more likely to leak due to degradation of internal components. Storing batteries in places with extreme temperatures or high humidity can increase the likelihood of leakage. This hold true for the Hypertough batteries and basically most other brands.