Shelf Particle Board Warpage
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Re: Shelf Particle Board Warpage
Re: Shelf Particle Board Warpage -- PlasEng	Post Reply	Top of thread	Forum

Posted by: randykimball ® 03/16/2005, 23:25:25 Author Profile Mail author Edit

I would have to believe that is a decision you must make, and decide on a tolerance for your own application. Remember there can be an advantage to placing a warped shelf in with the bow up to pre-load the shelf before objects are applied. Tolerance will directly effect cost of supplies. You will have to decide on a tolerance of warpage that fits your needs based on your allowed costs for materials and end product marketability and liability. -randy- The worst suggestion of your lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them.

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Re: Shelf Particle Board Warpage
Re: Re: Shelf Particle Board Warpage -- randykimball	Post Reply	Top of thread	Forum

Posted by: syed-jaffer ® 03/17/2005, 21:54:38 Author Profile Mail author Edit

Randy what he wants to know is the applicable standards to accept or reject the product. I am also in the field of the manufacture of chip board and would like to know the desity, hardness, bondability, deformation, dimentional variation, and other standards like sieve analisys of the materials for the acceptibility of the boards.

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Re: Shelf Particle Board Warpage
Re: Re: Shelf Particle Board Warpage -- syed-jaffer	Post Reply	Top of thread	Forum

Posted by: randykimball ® 03/17/2005, 23:17:59 Author Profile Mail author Edit

Oh, I see, Then may I ask if there is an organization or body of members used to guide and control the group of members. In many trades or manufacturing groups, they become members of non-profit units that are represented by members of all or most companies that produce similar products. These units set standards and provide approval stamps or labels that show the customers that the product has met the standard. These units also often police that the members are truthful in their literature and advertising, where breaking the rules results in loss of approval stamps or labels. If there is such a unit this is where to get such information, if not, perhaps one could be established. The policing unit is financed by membership dues and or charges for testing proceedures. Meetings are held and often elections held to provide self policing of that industry. -randy- The worst suggestion of your lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them.

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Re: Shelf Particle Board Warpage
Re: Re: Shelf Particle Board Warpage -- randykimball	Post Reply	Top of thread	Forum

Posted by: PlasEng ® 03/18/2005, 14:05:39 Author Profile Mail author Edit

That is correct. I want to know when we should reject the board. The board can be used either face up or down so the bow may not always be in the same direction. I found all types of tolerance allowances with ANSI A208.1-1999 standard except for what should be acceptable limits for warping. Something to the effect of maybe 1mm per meter as a guess.

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