That is a good idea to post it in other sections. Archive -  If they are shorter, commutator damage will occur. DO NOT water break-in your brushed motor! More information about dry break in can be found on our blog. Every brushed motor carries a 30 day warranty to cover manufacturing defects.   For robotics installation use your best judgement. Brushed motors need their commutator serviced for top life and performance. http://holmeshobbies.com/Brushed-Motor-Rebuild.html, Motor getting hung up? The arcing in the motor over a smaller surface area, such as using a motor that has not been broken in, causes more electricity in a smaller area of the brush, which causes more heat in that particular area, which basically burns the carbon brushes creating the high resistance carbon soot, and also creates microscopic pits in the commutator and brush where the electricity arced from and to. There are ways to prolong the life of your brushed motor and the good news is that Tekin T-Series motors are rebuildable and it's easy to do yourself. Our sealed can motors should be broken in dry. Every brushed motor carries a 30 day warranty to cover manufacturing defects. Brushed motors were the first commercially important application of electric power to driving mechanical energy, and DC distribution systems were used for more than 100 years to operate motors in commercial and industrial buildings.  One can switch to 7.5mm comms and the face speed is 225fpm, still in a good zone without having to change the voltage. 5:17.  A comm cut is recommended every two sets of brushes, for best motor life. Damage caused by improper gearing is not covered under warranty. This is a great forum and has some really good contributions! Divide RPM by 10 for 10mm comms and divide by 13.3 for 7.5mm comms.   A 10mm diameter commutator converts to .39 inches roughly.  The #1 cause of motor destruction is overgearing. Running it partially submerged in water helps break them in faster. The basic guide to cutting the commutator: Most “toy” lathes for commutator cutting use a rubber O ring to drive the armature.  Using voltage to gain motor speed while gearing down to slower wheelspeeds is win-win.   Visually inspecting the brush during the process will ensure you see the changes and know the condition.  For most R/C Crawling rigs we suggest 15/84 or slower as a good starting point. Compressed air is easiest to remove water fully.  Apply between 2.5 and 3 volts to your motor for three to five minutes with  six to twelve degrees timing. Never having heard of this before, I searched for references to water break in on rcgroups.com, with very few results coming up. Our sealed can motors should be broken in dry. Ive heard the best way to break in a brushed motor is in water but the only explination of it I have got was from the lhs employee. Good diamond bits can last thousands of cuts, but one mistake will break it! This gives an armature speed of 3000rpm and face speed around 300fpm for the 10mm commutator. The more technical aspect of turning copper: Holmes uses HSS and diamond bits depending on what is handy. Multiply times Pi and we get 1.2246″ circumference. Choosing Between Brush and Brushless DC Motors Allied Motion Inc. 495 Commerce Drive Amherst, NY 14228 Tel: 1 (716) 242-7535 inquiry@alliedmotion.com www.alliedmotion.com 2 Figure 1: The interaction between the current (red) and the magnetic field of the magnets, B (orange) applies a Lorentz force, F (brown), to the loop. Nevermind. 3: To advance the timing visually, rotate the brushes (endbell) in the opposite direction of motor shaft rotation. Cleaning your motor can be done with soap and water. BRUSHED MOTOR DESIGN - THE THREE MAIN SUB-ASSEMBLIES.  It is generally safer to spin the armature slower to prevent the risk of damage, but you must make extremely light cuts at slow speeds. More information about dry break in can be found on our blog. - RCCrawler.com Bulletin Board. Great guide! He said to take 1 d battery hook it to the motor and let it run till it dies. More information about dry break in can be found on our blog. Water dipping is a trick old-school guys used to break in their motors, but it would also help clean your brushed motors. Thanks for the positive feed back.   You should always keep a close eye on your system when installing a new motor or adding voltage.   Look at how pretty this copper commutator looks, yours should look like this after a new comm cut…. Thanks so much for the information! welcome =) glad it worked out for you =). Use of this site indicates your consent to the Terms of Use. Any brushed motor can work well in water, but all motors must be dried afterwords.   Slow motors such as 55 turn TorqueMasters may need more time to fully break in. Every brushed motor carries a 30 day warranty to cover manufacturing defects. Covers pretty much everything you need to know for breaking in a brushed motor. Thanks for the idea! That is close enough to .1 foot, so we can turn the 10mm comm at 2000rpm and expect a good result.   Spray it off with compressed air or dry with a towel. First, let's get one big myth out of the way right now.  We recommend a minimum comm size of 6.86mm for 7.5mm comms, and 9.14mm for 10mm comms. Place the motor on a stable surface, or remove the pinion if motor is installed in a vehicle. Back in the 80's when I was racing rc, the common break in method was two d batteries directly powering the motor while the motor was under water. The Tekin motor I will be cleaning today is a true race setup, so the wires solder down directly to the post on the motor. Damage caused by improper gearing is not covered under warranty. Both can do a superb job. Holmes does not recommend using standard carbide bits for the amateur as they typically do not have proper rake for copper.  Learning to cut your own HSS bits will save money and make a great skill!  Toy lathes using a 55t motor generally work best between 11 and 12 volts, whereas lathes using 27t motors run well between 2.5 and 4.5 volts. I am waiting to hear back from the moderator on if this post can be approved to be a sticky. This clears up a lot of "how do I do it" 4 me and is much appreciated.  Re-oil the bearings after the motor is dry, but before motor is ran.Â, Replace your brushes when they are 5mm. No idea if it worked better or not.  If you are not sure, start with 5/1 spur/pinion ratio if possible. Every brushed motor carries a 30 day warranty to cover manufacturing defects.  You can also take it apart and dry with a towel, then break it in to warm the parts and evaporate remaining dampness. Contact us through holmeshobbies.com for further assistance!  We suggest 3 volts for easy motor handling.Â.  A laser tach aimed at the flat spot on the armature shaft being cut is an easy way to find the face speed of any setup if you are unsure of the equipment. Types of Break-in’s: Wet or Dry, Why or Why Not? I'm trying to break in a motor from my CX2.  10 to 20% higher no load amp draw in the advanced direction is a safe setting.  Press your motor against a table while you change timing to listen for the increase in RPM to indicate advanced timing.Â. The wire is thick, but that's OK, right? Never use this method on brushless motors.  We suggest using more than one method until you are familiar with the task. Stator. This energizes the segments sooner during rotation.  Alternator and Starter motor cleaner from automotive supply stores can also be used.  Finally, relube the bearings with oil such as 10w-30 or lighter. A spring is used to push the brush into the slip ring or commutator to maintain contact.   Use 11.1v to 14.4v lipo whenever possible. Compressed air is easiest to remove water fully. More information about dry break in can be found on our blog. Damage caused by improper gearing is not covered under warranty. 1: You can check to see if the motor spins slightly faster in forwards direction with a tachometer, or with motor sound.  Faster, lighter cutting allows for better cuts with a machine that is less rigid, as many of the toy motor lathes tend to be quite flexible. More information about dry break in can be found on our blog. Our sealed can motors should be broken in dry. I am glad this has been so well received.   Do not use unknown aggressive chemicals, as they can weaken the glues holding the motor parts together. I don't mind hosting any images you have if you want to link directly. By logging into your account, you agree to our. Thanks for the guide... Just what I was looking for. Copyright � 2021 MH Sub I, LLC dba Internet Brands. He said to take 1 d battery hook it to the motor and let it run till it dies. The motor was run until the batteries were dead.  These are loose and fast recommendations though, if you want to get technical then you need to know the speed of the commutator face. A freshly cut comm will make an old motor spring back to life! I thought ahead and installed some bullets when installing the electronics for this motor so removal is easy. All rights reserved. Brushed/Brushless motors, speed controls, gear drives, Ask the Expert Sal - Electric Airplane Advice, Electric RC Gliders, Sailplanes and Hotliners, Century - Predator, Hawk IV, Falcon, Raven, Glow Engines, Gas Engines, Fuel & Mfg Support Forums, Engine Manufacturers Direct Support Forum, Send a private message to hands without shadows, Send a private message to BarracudaHockey. RC Radios, Transmitters, Receivers, Servos, gyros, Product Announcements & Manufacturer News, Digital Video (DV) & Video Editing Software, Employment, Jobs, Help Wanted in Radio Control Industry, RC Electric Off-Road Trucks, Buggies, Truggies and more, RC Electric On-Road vehicles, race cars and more, Off Topic Forum - Cars, Trucks, Buggies and more, Scratch Building, Aircraft Design, 3D/CAD, Aircraft - electric � Multi-rotors (Drones), Specific Models of Multi-Rotors and Drones. hey, that's everyone for the great feedback!  The brushes should be “seated” with at least 90% of the brush face touching the commutator.  Brush and Commutator maintenance will depend on the motor speed.  It can be as frequent as every 20 minutes for fast motors such as 13 turn or 21 turn TorqueMaster 540s, or a whole season for slower motors such as 55 turn through 35 turn TorqueMaster 540s.  A faster motor or machine will generate higher pitch noise. Contact Us -  This has been our motto for a decade, and it still holds true for motors of all types.  Keep your motor under 160f for long term running, or 180f for short runs.  Loosen the endbell and spin the motor with low voltage.  About 6 degrees of timing is what we have found to be an optimal balance of brush life and reverse/ brake performance below 20,000 rpm.  If the motor is always too hot, a larger rotor or switch to brushless is needed. A slip ring or commutator is attached to the rotating shaft. The wires were slightly touching each other on top of the motor. Is this right or anyone got any other ideals You can also take it apart and dry with a towel, then break it in to warm the parts and evaporate remaining dampness. Our sealed can motors should be broken in dry. Every brushed motor carries a 30 day warranty to cover manufacturing defects. Any brushed motor can work well in water, but all motors must be dried afterwords.   This could be required every 20 minutes of runtime for a fast motor, like a 3000kv 20t TorqueMaster.  This could also take a whole season for a 1000kv 55t TorqueMaster!  It is always best to inspect the motor before every run. You never want to open up a motor … RC Brushed Motor Break In Methods-Both Wet & Dry Break In - Duration: 5:17. rcnightmare 104,740 views. Ok here are the pics. Damage caused by improper gearing is not covered under warranty. Most Holmes motors have marks on the can and endbell that indicate 12, 24, and 36 degrees for CCW pinion rotation. Unless specified at the time of purchase, your brushed motor will have neutral (zero) timing and operate properly during clockwise (CW) and counterclockwise (CCW) rotation. Keep the result between 200 and 300 for easiest and most consistent work.  Commutator surface speed of 200 to 300 feet per minute is good for all around cutting with any bit. Re-oil the bearings after the motor is dry, …  This is neutral timing, and may not be exact to the motor markings because of motor variation and brush tilt. Problem- Motor does not work at all (no noise), Problem- Motor sometimes runs, runs weak, rough, or needs a push to start. You can check the timing advance in many ways. A Guide To Breaking In Your Brushed Electric Motors (Seating The Brushes). At the least, it should be cut whenever there is noticeable drop in performance or physical signs of wear. RC Brushed Motor Break In Methods-Both Wet & Dry Break In (5 min 16 sec) This video actually discusses breaking in both in water and out, both at low speed.

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