If you are talking about the gearboxes they are the best I have ever run into. I have put the MGS style in applications that were tearing up SEW's and Nord's and they last. The MGS is slowing taking over food industry. If you got a bad wet application do a Stober Poultry Duty with a Franklin Hydro-Duty motor.
Stober’s planetary servo boxes are the same story, designed for extreme duty and high precision. They thrive on stuff that tears up Bayside and Thomson.
Most of the time you can get a Stober box built over night and shipped next morning with no extra cost as long as you are using next day freight, FOB Ky.
Now the bad news is that they cost 10-15% more than SEW or Nord. Unless you are in some true high production environment you should probably stick with what you got. Putting a Stober on a light duty application may give you a warm fuzzy feeling but would be a waste of money.
Yes, I was talking about gearboxes, how long have you had yours in service? I some 90 degree conveyers that I was looking at them for. The brand of box we use now runs hot, I think this is due mostly to the fact that its a worm type.
I design production machinery and have used very few Stober gear boxes on conveyors. Most of the Stober's I used were for high cycle reversing applications most of which were servo. Stober lets you mount a servo on their standard MGS gearbox which they then call a "servofit". The servofit is a great buy as far a servo gearheads go.
The few conveyors I have put Stober on have not been in service long at all, maybe 5 years. About all the Stober boxes on conveyors are there because the customer demanded it, mostly in food industry. The reason some of the big boys like Anheuser-Busch are switching to Stober is because they are so volume dependant their maintenance tracking software is justifying the extra cost.
If you can afford to run conveyors with worm reducers now any helical or hypoid box should be more than good enough. You do want to stay away from SEW if you are running it with a VFD at 480V though. If you have a reduction of 40:1 or higher you may be able to go down a box size with a non-worm. Try to size by required output speed and torque.
