Questions tagged [mechanical]
The mechanical tag has no usage guidance.
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DC Motor - need to go to 200-10,000 RPM
I'm currently working on a setup with Raspberry Pi, a 12 V DC motor and a L298N driver. I need the motor to go from 12000 RPM to 200 RPM, or at least in that range - the only problem is that the L298N ...
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hydraulic pressure per cylinder, see below
when providing 2800 psi pressure to 6 hydraulic cylinders with .196 area of each cylinder what is clamping force on each cylinder. F=Pressure *area so 2800 x .196 is 548.8 psi or is it 548.8 /6 = 91,...
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Compound Machine with Worm and Worm Wheel Drive Velocity Ratio
I'm having trouble understanding the working principle behind solving this worm drive. Here's the question:
A double threaded worm and 40-tooth worm wheel are used to drive a mechanical winch. The ...
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Scissor mechanism won't budge with slotted pin
I am looking to better understand why this scissor mechanism so easily moves by directly pulling on the lift...yet, seems incredibly difficult/impossible to move via the attached point in the slot?
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How does this pawl mechanism work?
From 507 mechanical movements, No. 63, we get the following diagram and description.
Jumping or intermittent rotary motion, used for meters and revolution-counters. The drop and attached pawl, ...
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how to fix an object at either 90degree or 0 degree
my problem is i donot know how to let the blue colored object be fixed at either 0 or 90 degree.
i dnot want to be moveable at any degree like 30, 40 , or 50 degree either 0 or 90 degree.
i have tried ...
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Wind-up toy car constant speed problem
Set Up: In a classic wind-up car we store energy in spring. The energy then used unequaly in time resulting variable speed during the ride. Max torque and power and acceleration at the begining, with ...
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Strain As A Function of Deflection of a Hollow Cylinder
I should think that there would be a direct correlation of strain to deflection of a hollow thin-walled cylinder, but I've seen nothing as of yet. I must be missing something. For example, let's say I ...
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What is this spring known as?
Could anyone tell me what the spring part of this component is called please so I can source something similar?
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How to pull a component through a panel cutout using a screw mechanism?
I have a camera fixed to a cube frame structure made from aluminium extrusion. The frame will be covered by a 3 mm thick fibreglass enclosure (this is highly rigid) with a cutout for the camera, which ...
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how to let a needle move in positv roation and then a negativ rotaiton then it should loops [duplicate]
i am trying to make a watch that looks like the speedometer from merceds benz AMG
my problem is i canot figure out how to let the needle or the minute hand (call it what ever you want) rotate from 0 ...
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How can I make a needle to turn slowly CW to the final position, then return quickly CCW back to the initial position and to start again turning CW?
What I want is after the needle reaches 60 it should go back to 0 in the way showed in the image
The mechanism should preferably be based on gears which convert a steady continuous rotation to the ...
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Calculation on gearbox design
I want to design a gearbox of 70hp input motor and speed of 1400rpm. The gearbox ratio is 1:10 of 2 stage parallel arrangements.
How do I calculate for the teeth, modules and other requirements ...
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Remove stripped screw inside of a tube
I have a stripped screw inside of a tube (see picture):
The size of the screw is M2 and it seems to be glued. This is part of a camera objective so I want to avoid impact (e.g. tapping with a hammer)....
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What are some interesting applications of G2/G3 Continuity? [closed]
I've heard of CNC tool paths using splines to approximate G2 continuity to create smoother motion.
Also, rollercoaster designs use G2 continuity to reduce shock from sudden changes in curve radius ...
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