TM Air Motors
Our website contains dozens of photographs of amazing work done on our Air Power Hammers. All of the tooling for these machines has been designed around the performance of our carefully designed Air Motors. Each of the six air motors we offer are designed to shrink, stretch, and planish a specific range of metals.
We firmly believe that no other air motor will match ours in performance and reliability. Years of professional metalworking experience have gone into developing our line of air motors. Since 1987 we have bought, tested, rebuilt, and modified thousands of motors to find the parts that met our requirements for rate of fire, hardness of hit, durability, variability, and ease of use.
We offer seven Air Motors each of which is designed to shrink, stretch, or planish a specific range of metals. Our #1–#6 motors can be gradually adjusted from single, accurate hits, up to hundreds of blows per minute. Our #0 motor is designed exclusively for planishing (not shaping). For that reason, it is capable of thousands of hits per minute (no single hits however).
All of our motors are built by us, in our own shop, with our own modifications and specs. All of our parts are manufactured here in the U.S. (except for four small pieces that are not available domestically that me must source off-shore). We manufacture all of the other parts, and assemble and test these motors individually on our own machines before they ever leave our premises.
“I have a photo somewhere of a huge pile of air motors on my workbench, every maker, size and configuration you can imagine, over 50 motors in one big pile. I have been through every one, used every one, and know little things about every one. Sand rammers, needle scalers, plating rack scalers, chippers, destruction guns, air chisels, rivet guns, zip guns, stone carving units, and palm nailers have all been experimented with and dismantled for inspection. I have taken the knowledge gleaned from experimenting with these motors, to develop what I believe are the best air motors on the market today.” – Kent White, CEO, TM Technologies
Please see Air Motor Repairs, Tune-Ups, And Upgrades for additional information.
There are a few basic concepts you need to know when considering purchasing our Air Motors:
AIR MOTOR CAPABILITIES | |||
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Motor | SHRINKS up to: | STRETCHES up to: | Please note: |
#0 | .025˝ soft metals | Planishing only up to .050˝ alum. & 20-gauge soft steel | Requires 1˝ Die Riser |
#1 | .032˝ aluminum & copper 24-gauge soft steel | Primarily planishing plus stretching .040˝ soft metal | Requires 1˝ Die Riser and .401˝ Shank Dies |
#2 | .050˝ aluminum & copper 20-gauge soft steel | .065˝ aluminum & copper 18-gauge soft steel | Requires 1˝ Die Riser |
#3 | .065˝ aluminum & copper 16-gauge soft steel | .100˝ aluminum & copper 14-gauge soft steel | |
#4 | .100˝ aluminum & copper 14-gauge soft steel | .125˝ aluminum & copper 12-gauge soft steel | |
#5 | .125˝ aluminum & copper 12-gauge soft steel | .187˝ aluminum & copper 10-gauge soft steel | |
#6 | .187˝ aluminum & copper 10-gauge soft steel | .250˝ aluminum & copper 8-gauge soft steel | Can only be used with the 3000/4000 models (comes with special motor mount). |
Extra Light Air Motor #0
Made in USA
Our new Extra-Light motor was carefully designed to allow you to smooth and planish the thinnest soft metals. This motor is ideal for aluminum and copper that is .050” (1.2mm) thickness and thinner. This motor runs at speeds of 1,500 – 7,000 beats per minute (bpm). It is unlike our other motors which can all be adjusted down to doing even single hits. Instead this motor “hums” rather than “hits” as it smooths your metal to a beautiful finish. You can control the rate of “hum” so you can find the sweet spot to work your metal. Requires 5.5 cfm of 90 PSI shop air. This motor accepts .498 shanks. If you wish to use any of our .401 planishing dies in this motor, you will need a .401 to .498 Shank Adapter. You will also need a 1″ Die Riser when using this motor. The #0 Air Motor works best with the .498 Large Upper Hammer, our tests have revealed.
Extra Light Air Unit #0 |
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SMS-0268 | $575.00 | ||
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Air Motor Accessories
Air Tool Oil
Like all motors, oil is the key to a long life. You should add oil to your motor for everyhour (or less) of use. Skipping this step can cause serious, sometimes fatal damage to a motor. We highly recommend the Filter-Regulator-Lubricator for maintaining proper, sustained motor oiling.
Air Tool Oil - 4 oz. |
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TPC-0004 | $7.50 | ||
Air Tool Oil - Quart |
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TPC-0032 | $30.00 | ||
Air Tool Oil - Gallon |
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TPC-0128 | $75.00 | ||
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Air Motor Holster
Our Motor Holster conveniently stores your air motors and protects them from getting damaged rolling around in a box or drawer. The Holster bolts onto either the top or side of your machine and keeps your motors handy for quick motor changes. Each Holster holds up to four motors and includes mounting bolts and bracket.
Air Motor Holster - for Tube Frame Air Hammers |
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SMS-2800-T | $53. | ||
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.401 to .498 size Shank Adapter
Our .401 to .498 Shank Adapter allows you to use .401 shank dies with .498 air motors and rivet guns. (Our .401 shank dies include our upper Wobble Die, .401 Large Upper Planishing Die, and .401 Small Upper Planishing Die. These dies all fit our #1 motor, but require a shank adapter for use with the #0 motor.)
.401 to .498 size Shank Adapter |
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SMS-0284 | $23.75 | ||
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