Magnet coil cores, demagnetization power and Lenz delay.

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Look at the minimum travel distance: Five Ten thousadths of an inch! Coupled with a maximum of four hundred forty eight ounces of pull force! That's controlling "Twenty Eight" whopping pounds of magnet force over such a miniscule distance! This looks like a winner for the small Price.

Standard Features

Reversible motion
Captive or non-captive
Unipolar or bipolar Ball bearings
5V or 12V coils
Frame size from 20 mm up to 57 mm
7.5° or 15° step angle
Linear travel per step from 0.0005" (0.0127 mm) up to 0.004" (0.1016
mm)
Linear pull out force from 8.3N (30 oz)  up to 124.6N (448 oz)

The advantage is that a permanent magnet consumes no power when the stepper motor rests in position!

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Here's a link to the web site and a cut out of the motor; The Axel shaft diameter can be gauged to fit cleanly inside an axial tube magnet hole. Power, positioning accuracy, efficiency and price put the stepper way out in front over all the other alternatives! This one's controlled by a Microprocessor.

This solves the circuitry problem very nicely on the positioner end.


http://www.portescap.com/products/linear-stepper-actuator/understanding-linear-stepper-actuator

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Ramset uploaded this Chris Sykes video on field cancelling coils. These kinds of coils may help reduce the flux density in the output coil ferrite core wired to a resistive load. These kinds of coils may make the stepper motor uneeded!

This an is interesting assertion from Floyd Sweett out of the "Bucking Coil" PDF, as it bears out my "Flux Density to Ohmic resistance" proportion:

"It is the Magnetic Field itself that creates drag; it creates Friction on Electric Charge itself".


https://www.youtube.com/watch?v=Z-V1z2TdQJA&feature=youtu.be

This PDF is wild too:

http://www.hyiq.org/Downloads/Guidelines%20to%20Bucking%20Coils.pdf

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I should have a new DMM monday. I plan to wrap my magnet fastened ferrite core with "Bucking Coils" to see if they act as a flux suppressor and register a loss of resistivity in lowered Ohmic resistance. This combination could result in a great DLE acceleration controller.

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Here's a better picture: This coil's merely a conductor. It needs a power source and a load. It dosen't consume power like an electromagnet: The ouput coil would wrap around this coil. It would be possible to run current through this " Core Flux Density Suppressor Coil" from the output coil to a storage cap, with only minimal losses to resistance.

One simple Zener bypass diode might be all that's needed to divert current from the output coil through the core suppressor coils, simply activated by a rise in output voltage alone.

This should prolong DLE acceleration. The initial acceleration increases core viscosity and phase lag along with output coil voltage. The Zener diode, calibrated to allow current to flow at that level, begins to charge the core's "Bucking Coils". This in turn should counter core flux density and reduce phase lag to once again restore acceleration. Zener's come in escalating varieties, which would increase current flow to the suppressor coils with increasing output coil voltage. Pretty neat soloution to a formerly highly complex problem.