Hello Everyone!
I am an engineering student in high school and I am very much interested in the automotive world. After working on my own car for some time, I have found that access to a press tool would have saved me time and aggravation, but a teenager's income does not support purchases like hydraulic presses. For a school project, I am researching and developing new potential press technology that would be more affordable to the average home mechanic. If you could complete my survey, I would greatly appreciate your help! Thanks!
Here is the link:
https://docs.google.com/forms/d/e/1FAIp ... g/viewform
Survey: developing new potential press technology
Survey: developing new potential press technology
Last edited by Rogue One on Thu Dec 08, 2016 7:10 pm, edited 1 time in total.
Reason: Revised title
Reason: Revised title
-
Hijacker
- Posts: 14373
- Joined: Wed Aug 13, 2003 4:57 am
- Car: '92 240sx Convertible
'94 F-150 - Location: Fredericksburg, VA
Re: Survey: developing new potential press technology
Hello and welcome to NICO!
I filled out your survey, and good luck on your project. I have a few comments to make.
Most of your designs look a bit clunky to use with a jack. The best design that would work, in my opinion, is the second design. The first design would have issues with most jacks as it would have to straddle the bottom bar, and it would be cumbersome to set up and use. The third design is not a favorite of mine. I tend to not use the weight of the vehicle as opposition force. Multiple reasons on this, I've had bushings/bearings fight quite a few tons. They would have easily moved a car. It would be better to use clamping force than vehicle weight. The last design, while unique, looks excruciatingly cumbersome. I think you'd be losing a lot of force trying to keep the base planted rather than have it translated through the lever.
Look at a lot of the press designs that already exist. You have your big presses that push into a base of some form. They work fairly well. Bushings/bearings will use screw clamps to drive into their races. The big thing when you begin a design is to find if there's a unique solution to a problem that has multiple methods to perform the task and then fill in the gaps. I wish you well on your project, and I think you've got some solid ideas so far. They just need to be thought of on a more practical, general scale. Don't design a jack method that relies on a specific jack. Make it work with a multitude of jack designs.
I filled out your survey, and good luck on your project. I have a few comments to make.
Most of your designs look a bit clunky to use with a jack. The best design that would work, in my opinion, is the second design. The first design would have issues with most jacks as it would have to straddle the bottom bar, and it would be cumbersome to set up and use. The third design is not a favorite of mine. I tend to not use the weight of the vehicle as opposition force. Multiple reasons on this, I've had bushings/bearings fight quite a few tons. They would have easily moved a car. It would be better to use clamping force than vehicle weight. The last design, while unique, looks excruciatingly cumbersome. I think you'd be losing a lot of force trying to keep the base planted rather than have it translated through the lever.
Look at a lot of the press designs that already exist. You have your big presses that push into a base of some form. They work fairly well. Bushings/bearings will use screw clamps to drive into their races. The big thing when you begin a design is to find if there's a unique solution to a problem that has multiple methods to perform the task and then fill in the gaps. I wish you well on your project, and I think you've got some solid ideas so far. They just need to be thought of on a more practical, general scale. Don't design a jack method that relies on a specific jack. Make it work with a multitude of jack designs.
-
PapaSmurf2k3
- Site Admin
- Posts: 18997
- Joined: Thu Nov 21, 2002 3:20 pm
- Car: 2017 Corvette, 2018 Focus ST, 1993 240sx truck KA Turbo.
- Location: Merrimack, NH
Re: Survey: developing new potential press technology
I like the first one the best. Using threaded rods to hold your assembly together and provide height adjustment is asking for trouble. You can very easily warp the threads, which then causes prevailing torque, inability to adjust height, and potential ultimate failure. The sea-saw one looks like it will place a tremendous amount of force/side loading on the center pin, and like Bart mentioned, you'd need that joker bolted down to something substantial.