- #1
AI Thread Summary
For smooth vertical movement of a rectangular plate on rods, linear bearings or bushings are recommended, as they allow for easy motion without binding. The setup can include opposing bearings on either side of the plate, with a load capacity suitable for approximately 8 kilos. Aluminum or stainless steel rods with diameters between 5/16" and 1/2" are appropriate for this application. Resources like McMaster Carr or Grainger can provide various options for linear bearings. This approach ensures reliable performance and longevity for the intended use.
- #2
tr888
- 11
- 0
Thanks for the suggestion. Simpler than a rolling bearing. Does it have comparable lifetime? The shafts could be aluminum or stainless steel, about 5/16" to 1/2" (8mm-12mm) diameter. There would be a load of approximately 8 kilos sitting on the plate. I could use opposing bearings on either side of the plate, screwed to the plate, a pair on each corner. The plate is moving, the rods are stationary.
- #3
tygerdawg
- 285
- 81
Use something similar to a Danly die set www.danly.com
- #4
pantaz
- 587
- 2
Your drawing resembles a press die set, as mentioned by tygerdawg, which use linear bearings or bushings.
A search for "linear bearings" should keep you busy for a while.
A search for "linear bearings" should keep you busy for a while.
- #5
perfexion
- 1
- 0
I second the linear bearings suggestion. Search for this on McMaster Carr or Grainger. I'm sure you'll find what you need.
Posted June 2024 - 15 years after starting this class. I have learned a whole lot. To get to the short course on making your stock car, late model, hobby stock E-mod handle, look at the index below. Read all posts on Roll Center, Jacking effect and Why does car drive straight to the wall when I gas it? Also read You really have two race cars. This will cover 90% of problems you have.
Simply put, the car pushes going in and is loose coming out.
You do not have enuff downforce on the right...
Scenario 1 (figure 1)
A continuous loop of elastic material is stretched around two metal bars. The top bar is attached to a load cell that reads force. The lower bar can be moved downwards to stretch the elastic material.
The lower bar is moved downwards until the two bars are 1190mm apart, stretching the elastic material. The bars are 5mm thick, so the total internal loop length is 1200mm (1190mm + 5mm + 5mm).
At this level of stretch, the load cell reads 45N tensile force.
Key numbers...
I'm trying to decide what size and type of galvanized steel I need for 2 cantilever extensions. The cantilever is 5 ft. The space between the two cantilever arms is a 17 ft Gap the center 7 ft of the 17 ft Gap we'll need to Bear approximately 17,000 lb spread evenly from the front of the cantilever to the back of the cantilever over 5 ft. I will put support beams across these cantilever arms to support the load evenly
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