This must be a simple problem but I can't seem to find an answer. I need to run a caster wheel in a clean room environment, class 10. Casters all seem to have stamped steel plates for the swivel bearings which are dripping with grease. Are there caster manufactures that design a clean room...
This must be a simple problem but I can't seem to find an answer. I need to run a caster wheel in a clean room environment, class 10. Casters all seem to have stamped steel plates for the swivel bearings which are dripping with grease. Are there caster manufactures that design a clean room...
Can someone set me up with dimensional information for C and CS mounts? Specifically thread size, length and ideally focal length type info. I need to make a C to CS adapter that has a unique mounting flange so an off the shelf adapter wont work for me. Any help is appreciated as I don't...
I need to design an enclosure for a PC104 computer and as always space is limited. I also need to make sure that in the future we will have room the ever changing hardware that's available. So, can someone point me in the direction of standard form-factors that are often adhered to for the...
Can anyone tell me the material properties polyurethane at a hardness of 60 Shore A. Specifically tensile strength, poisson ratio and modulus of elasticity. I don't usually deal with plastics... I'm trying to use FEA to get an idea how a piece will deform before I go machine a prototype...
Can anyone tell me the material properties polyurethane at a hardness of 60 Shore A. Specifically tensile strength, poisson ratio and modulus of elasticity. I don't usually deal with plastics... I'm trying to use FEA to get an idea how a piece will deform before I go machine a prototype...
Can anyone tell me the material properties polyurethane at a hardness of 60 Shore A. Specifically tensile strength, poisson ratio and modulus of elasticity. I don't usually deal with plastics...
Thank you,
Seth
I'd like to reiterate that I'm NOT looking to use existing computer powered speakers due to space limitations. I am looking for a source of prefab amplifiers, not the kid next door. I'd sooner use the 2 electrical engineers I share office space with if we must design our own.
-G
This sounds like a simple problem but I am trying to find a more integrated solution then just a set of powered speakers. I design mobile robots and space is limited so have a set of powered speakers just wont work. I'm looking for a solution that is either a free standing circuit board or a...
We are designing a product to sell to production facilities. We don't have a specific customer in mind however we see it going into chemical or assembly plants. I think it's safe to say we want to stay out of heavy construction. I'm looking for a general or average plant climate so we can...
I am to design an AGV like product that will need to perform in an industrial environment. The robot is intended for light loads, has an on board computer, powered by an AGM battery and is roughly 2 feet in diameter and 1 foot tall. I looking for insight as to what type of Environmental...
We are driving a mobile base which uses a differential drive to steer. For this reason it's important that the controllers be able to talk with one another to coordinate turns. I guess this is typically accomplished through electronic gearing. The system we currently using uses brush motors...
Can anyone offer a good inexpensive source for gear heads for a NEMA 23 motor? I need a ratio of around 20:1 with e final output torque around 32 in-lb and 150 rpm. Back drivable is need too. Of course, a good cheap 75 watt 3-phase motor would be helpful too but the Pittman motors seem ok...
Thanks ServoCam for reposting, I meant 3" diameter (or square) and about 5" length. My speed needs to be around 150 rpm. This is why I see a gearhead in my future. By brushless I mean 3-phase.
Regarding the driver, the EE guy here has set up a controller that outputs 3 PWM signals...
I need an inexpensive brushless motor which will probably need a gear head. I need approximately 32 in-lb max, 10 in-lb continuous. If we can get that in a motor no larger then 3" without a gear head that would be great but... We are running on 12 Volts. Our volume is around 200...
I'd like to clarify, I'm worried about replacing teeth after a bout. I'm looking to avoid the cost of reannealing and reheat treating to weld on replacement teeth if possible.
Thank you,
Seth
If I have two 1/4" thick 4130 plates that I've quenched from 1600F and tempered at 900F. I then take these two plates and stick weld them together using a 4130 rod. Is the resulting weld likely to be stronger or weaker then had the two pieces been annealed in the first place. If it's...
I need to weld a seam in 1/4" thick 4130 which will be heat treated. It will be seeing very high impacts infrequently. Can you suggest a welding filler material to be used by a mig or arc welder? Suggestions on heat treatment schedule would also be helpful although I think I have this...
