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jrmichler's latest activity
J
jrmichler
replied to the thread
Inverse Kinematics: Oscillators and Multi-Bar Links
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I once designed a four bar linkage. I first did a literature search looking for an analytical procedure, and found nothing that was of...
Friday, 4:25 PM
J
jrmichler
reacted to
Baluncore's post
in the thread
Inverse Kinematics: Oscillators and Multi-Bar Links
with
Like
.
I believe the thing you must avoid is a mathematical approach. You need to get closer to reality, so you can see where the problems lie...
Friday, 4:20 PM
J
jrmichler
reacted to
Baluncore's post
in the thread
Evaluating Motor Specifications for a Conveyor
with
Like
.
There is still too much possible miscommunication in this design. I would draw a diagram of the system, showing all the stages. Make...
Friday, 7:58 AM
J
jrmichler
replied to the thread
B
Why is my experimental spring constant an order of magnitude off?
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A factor that could account for some of your observations is the relative mass of the ball and the spring. From the SMI Handbook of...
Thursday, 4:15 PM
J
jrmichler
replied to the thread
Evaluating Motor Specifications for a Conveyor
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That's the same that I get assuming 10 meters per minute and a 70 mm diameter conveyor drive roll. The next step is: Another way to...
Thursday, 3:49 PM
J
jrmichler
replied to the thread
Evaluating Motor Specifications for a Conveyor
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No, I mean this shaft: Given the conveyor speed and the diameter of the roll that drives the conveyor belt, calculate the RPM of that roll.
Wednesday, 8:13 PM
J
jrmichler
replied to the thread
Evaluating Motor Specifications for a Conveyor
.
This. This is a machine design problem. Expanding on what @Baluncore said, the general procedure is as follows: 1) Decide what speed...
Tuesday, 3:43 PM
J
jrmichler
replied to the thread
Tuned mass damper does not reduce the amplitude of vibration?
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You have a system with resonant frequency of 0.31 Hz that is excited at 0.6 Hz. The response will be small because the magnitude of the...
May 5, 2024
J
jrmichler
replied to the thread
Mechanical guy needs help with endothermic reaction and heat decomposition
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But you can give us more information. If I understand your posts so far, you have an object of approximate dimensions X cm by Y cm by Z...
May 4, 2024
J
jrmichler
replied to the thread
Simplified Calculations for Nylon66 Composite Material Supporting Heavy Loads
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Your question raises a few questions. You mention composite materials and Nylon 66. Which is it? Is it a fiber reinforced Nylon 66 or...
May 4, 2024
J
jrmichler
replied to the thread
Adjusting the pressure of helium flow to account for smaller tube
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First, I need to make sure that I understand your question. Does the sketch below correctly show the problem? Assumptions: 1) The flow...
May 2, 2024
J
jrmichler
reacted to
Flyboy's post
in the thread
On-demand steam engine idea
with
Like
.
Hmmm. That… might actually be a little more doable. Depending on how much you want to spend on custom parts, you could get a metal...
May 1, 2024
J
jrmichler
reacted to
russ_watters's post
in the thread
On-demand steam engine idea
with
Like
.
Or to put it another way; they need to design the cycle. This diagram doesn't contain any numbers and leaves some gaps/things that are...
Apr 28, 2024
J
jrmichler
reacted to
erobz's post
in the thread
How to become brilliant?
with
Like
.
I was hoping that was the case. My 8 yr old and I were just having a similar conversation when she didn’t win our games of chess today...
Apr 28, 2024
J
jrmichler
replied to the thread
Audio/Video
Cancel noise from neighbor with loud bass
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I had a similar call about loud music that was rattling pictures on his wall. The call came to me because I'm on the town board. He...
Apr 26, 2024
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