Making a Home-Made Ping Pong Table: Bounciness and Fixes

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Discussion Overview

The discussion revolves around the construction of a homemade ping pong table and the observed reduction in bounciness compared to official tables. Participants explore the causes of this issue and propose potential fixes or improvements to enhance the table's performance.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant notes that the reduction in bounce may be due to the table absorbing more energy, suggesting that the material may not be rigid enough.
  • Another participant proposes that the thickness of the wood (5mm) is too thin and suggests supporting the tabletop with stringers to improve rigidity.
  • A different viewpoint argues that simply doubling the thickness of the same material may not be effective, as the wood may not return energy efficiently, and emphasizes the need for a harder surface material.
  • Some participants recommend using high-density fiberboard (HDF) as a potential solution to improve bounciness.
  • One participant advises considering the cost of high-density fiberboard compared to purchasing a pre-made ping pong table before making modifications.

Areas of Agreement / Disagreement

Participants express differing opinions on the best approach to enhance bounciness, with no consensus on a single solution. Some agree on the need for a harder material, while others debate the effectiveness of doubling the thickness of the current material.

Contextual Notes

Participants mention various assumptions regarding material properties and the physics of energy absorption, but these assumptions remain unverified within the discussion.

kashodiya
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I made a home made ping pong table using a 5 millimeter thick wood sheet of size 4 feet by 8 feet. I found that my ping pong ball bounce less as compared to how much it bounce on official real table.

Can you explain me what is the cause of this reduction in bounciness?

Is there any quick fix workaround to change my home made table to get as much bounce as the real table?
 
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A reduction in bounce means that your table is absorbing more of the energy of the ball than a standard table. This usually means that your table isn't "hard enough". It's not rigid enough, so it's absorbing some of the energy rather than reflecting it back. To get more bounce, try a harder material.

This link tells you that a pingpong table is usually made of high density fiberboard:
http://tabletennis.about.com/od/beginnersfaqs/f/build_tt_table.htm
 
5mm seems rather thin..too much bounce...meaning energy is being absorbed...You could support the table top with stringers...like wood floor joists support a wood floor. You can also double up on the thickness of your table top...
 
Doubling up with the same material is not going to help...it is not like the wood moves back every time a tiny ping-pong hits it...it does not move, it is simply too much mass in comparison...the problem lies right there at the surface, it is the 'hardness' that is not hard enough...the wood is just too puffy...

Instead of doubling up with the same material, add a layer of another material. As suggested, try a high-density-fiberboard (FDF).
 
gsal said:
As suggested, try a high-density-fiberboard (FDF).

But before you do so, first price it, then compare it the cost of simply buying a cheap ping pong table.
 

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