stepper motor for a chile roaster

Thumper · 02-26-2023, 06:24 PM

Chile addict, as in capsaicin laden chile peppers from New Mexico. I used to rely on commercial roasters, but they are inconsistent and I like high roaster temp for short time so the skins are easy to remove, but the meat of the chile is still crisp (NOT soggy and overcooked). I freeze a ridiculous amount of roasted peppers in one gallon ziploc bags, defrosting ~2 every week (my son is now an addict as well).

I bought a roaster, but the cage rolls too fast, so I am replacing the electric motor (1725rpm) and the inadequate "repurposed" gear reduction hardware with a stepper motor/controller. The parts consist of a power supply (24/48VDC), stepper motor controller, and the stepper motor. In addition, I am waiting for a pulse width modulator with a speed control knob, direction switch.

The ancient red step down gear reduce has a bad bearing, and the pulleys are held in place with tension bolt on a flattened surface (shafts) instead of a keyed shaft (MUCH more reliable and lower maintenance). Once I wire the thing up to the PWM and verify variable speed control, I will probably get a planetary reduction gearbox and a pulley to replace the red thing.

Roast2.JPG

ReductionSytemFrontView.JPG

ReductionSytemSideView.JPG

Here is the stepper motor, power supply and controller in testing phase.

StepperControllerPS.JPG

StepperWired.JPG

02-26-2023, 06:24 PM	#1
Thumper Join Date: Feb 2021 Location: Kansas City Posts: 2,620	stepper motor for a chile roaster Chile addict, as in capsaicin laden chile peppers from New Mexico. I used to rely on commercial roasters, but they are inconsistent and I like high roaster temp for short time so the skins are easy to remove, but the meat of the chile is still crisp (NOT soggy and overcooked). I freeze a ridiculous amount of roasted peppers in one gallon ziploc bags, defrosting ~2 every week (my son is now an addict as well). I bought a roaster, but the cage rolls too fast, so I am replacing the electric motor (1725rpm) and the inadequate "repurposed" gear reduction hardware with a stepper motor/controller. The parts consist of a power supply (24/48VDC), stepper motor controller, and the stepper motor. In addition, I am waiting for a pulse width modulator with a speed control knob, direction switch. The ancient red step down gear reduce has a bad bearing, and the pulleys are held in place with tension bolt on a flattened surface (shafts) instead of a keyed shaft (MUCH more reliable and lower maintenance). Once I wire the thing up to the PWM and verify variable speed control, I will probably get a planetary reduction gearbox and a pulley to replace the red thing. Roast2.JPG ReductionSytemFrontView.JPG ReductionSytemSideView.JPG Here is the stepper motor, power supply and controller in testing phase. StepperControllerPS.JPG StepperWired.JPG __________________ -NOS 2020 KTM 250SX (2-stroke motocross)
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