Calculation of Chain Stress
Generally, at first, tentatively identify the chain dimension to be made use of referring to “Tentative determination of chain size”. Then, receive “Theoretical chain tension (T)” (P213) for the tentatively established chain, and multiply the worth by “Speed coefficient (K)”, to get “Substantial chain tension (Ta)”. For security, the substantial chain stress needs to be reduce compared to the “maximum allowable tension” stated while in the table of dimensions of respective chains. Consequently, the issue below need to be content.
Security condition of chain tension
Significant chain stress (Ta) ＝Theoretical chain tension (T) ×Speed coefficient (K)
Significant chain tension (Ta) ＜Maximum allowable stress
If this affliction is not really happy, choose a bigger chain by one particular dimension and re-calculate.
Tentative determination of chain size
qDetermine the mass (bodyweight) per unit length of parts such as chain and attachment ωc (kg/m or kgf/m) assuming that it truly is ten % of your mass (weight) of the conveyed object ω1 (kg/m or kgf/m).
wIn reference to the calculation formulas on, obtain “Theoretical chain stress (T)” (kN or kgf) and “Speed coefficient (K)”, and determine “Substantial chain stress (Ta)” (kN or kgf).
eIn reference for the table of dimensions of chains,recognize the minimal chain, whose “maximum allowable tension” is higher than the “Substantial chain tension (Ta)”, and regard it as “tentatively decided chain”.
Value of velocity coefficient (K)
The pace coefficient (K) expresses the severity of operation problem in accordance to the traveling pace of chain because the condition gets to be severer because the traveling velocity of chain becomes increased.
Multiply “Theoretical chain stress (T)” by “Speed coefficient (K)” to obtain “Substantial chain stress (Ta)”.
If you design several conveyor systems applying compact conveyor chains, the following essential circumstances must be happy.
a. Chain tension: The real tensile strength in operation need to be substantially reduce compared to the specified strength from the chain.
b. Strength of loaded parts of chain: The actual loads utilized to attachments, such as rollers of base chain, major rollers, side rollers, and so on. in operation have to be considerably smaller sized compared to the power of those components.
c. Wear lifestyle of chain: Lubrication situations to make certain the put on daily life of chain must be fulfilled.
d. Sag adjustment of chain: The sag from the chain need to be kept optimum by tension adjusters, take-up gadgets, guides, and so on.
e. Other individuals: Suitable measures are taken to avoid rail wear, machine vibration and various troubles.
The following complement the above.