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I would like to design and possible mass produce an FPV drone that will have a similar parts made out of super stiff carbon like the one you see in the link: https://shop.iflight.com/Chimera7-Pro-V2-Replacement-Parts-Pro1919 What is is the best and cheapest manufacturing technique to make these...

Chris, Alex, Can it be designed in a single weldment, then create parts from the individual bodies and flatten them? Thank you

That's the answer I didn't want to hear...Shoot.

I have made plenty of structural weldment designs and detailing. The same goes for the sheet metal. However, it is my first time making weldment with medium to complex sheet-metal shapes welded onto the tubes. If I model the sheet metal as a body, how can I show the flattened view? Or is it...

I have an SMC cylinder with 50mm Dia operating at 60psi. I need to design a pneumatic circuit that would enable the cylinder to push with 10-25% its capacity (I need a pressure regulator to adjust as needed) at the start. Then once the part is lifted of the table, I need the cylinder to push...

I am still figuring out how the reply system works on this website. Seems like I am not able to reply to individual messages. Let me know if I am missing something. To answer the questions directed at me: 1. The other side without servo drive needs to be as narrow as possible as it will pass...

How can I support the other side than? LM guide on one side, rollers on the other side?

Let's say I manage to fit in another servo motor and gearbox on the other side. This will synchornize the drive. But what can I replace the LM guides with? Something that gives medium accuracy and easier to align that LM guides.

In the previous post, I had asked how to design the lift mechanism of this gantry [https://www.eng-tips.com/viewthread.cfm?qid=500944]. Now I need your input how to move this mechanism 8 meters along the rails. For now, I have both sides resting on LM guides driven by a single motor on one side...

Thank you all for your input. I changed the design quite a bit. Please keep in mind that this is still in draft stage. I have 2 cylinders on each side lifting the middle section. I have 2 link shafts with gears attached to them. They synchronize the movement on the left and right side. I also...

I am outside right now. I will make a sketch and add more details here once I get back home.

Are these covered by the singles around the sides to lead the water over it?

I need to design an enclose for a 10inch diameter hole outside a building. The enclosure needs to be metal and must prevent water leakage into this hole. What kind of enclosure would you design here and what kind of adhesive/foam or whatever you'd use between the metal and the concrete?

Thank you everyone for your insights. I have come up with a mechanism that should alleviate the concerns listed by you. I will change the design in coming days and post it here for further review. Thank you!!

TheTick, That's what I was looking at as well. Do you also share the same concern about the precision LM guides as the gents above? I was thinking to switch to simple rollers running on the flat surface of the sides as a replacement. A roller that has an in-out adjustability.

Jboggs and Compositepro, I see what you guys are saying...The level of precision is not important. it can be +/-5mm. I will look into some alternative mechanism other than precision guides. Do you guys have any examples you can propose? an image or a sketch would be awesome!

With a single center cylinder, both sides sides would go at the same speed. With 2 cylinders one could extend slightly faster and cause imbalance. That is my thinking at least. I am using thk LM guides already. https://www.thk.com/?q=eng/node/231

This lifter I have designed is lifting 100lb weight 300mm up from a surface and transferring it to another station. As you can see the the middle gripper is supported by LM guides at the ends. It is lifted by a single 80mm dia cylinder at the center. Originally I had 2 equal sized cylinders at...

I need to size a servo motor for a belt-driven actuator that will be pushing against 1500N external force in a horizontal position. I calculated the load inertia of the brackets that are mounted on the carriage. But I am uncertain as how to account for this external force in my inertia ratio...

Hi, Please see the attached image. We have this dust collector system that sucks metal dust from grinder(0.05mm-0.1mm)which gets mixed with water and gets kicked out from the bottom of the main vessel. When pump gets activated there is quite a turbulent flow inside the main vessel. On the side...