Sprocket and Chain
Description
When used properly, high quality roller chains are powerful and reliable drive systems. They can serve to bridge large centre distances. Various transmission ratios can be realized, independently of the centre distance. In Europe mainly roller chains according to DIN ISO 606 (formerly DIN 8187) are used.
Dimensioning and Efficiency
The calculation can be made with this tool : MÄDLER - Tools (eassistant.eu) or refer to page 41 or refer to the e-catalogue to determine a chain drive. With proper lubrication the degree of efficiency is approx. 98 %.
Note regarding the Breaking Load
The DIN ISO 606 (formerly DIN 8187) specifies the minimum breaking load for each chain size. When this breaking load is exceeded, the chain is destroyed. Roller chains should be loaded with no more than one sixth of the stated breaking load, to avoid an early plastic deformation (permanent elongation).
Mounting and Maintenance
The shafts must be set in parallel. The sprockets must be aligned. The slack span should amount to approx 1% to max 2% of the centre distance. For this purpose we recommend mounting a chain tensioner. Large centre distances require a support (guide rail) to be used.
Chain drives must always be well lubricated. Lubricants and lubrication methods depend on the specific application.
Determining the Chain Length
The chain length can be stated in meter or mm, or by stating the number of links. In the latter case, inner and outer links are counted. The chains are usually delivered open. The last link on both ends is an inner link. This leads to an uneven number of links. If a straight connecting ling is used, the closed chain strand has an even number of links. An uneven number of links in a closed strand can only be realized by using a cranked link.
Note: this link reduces the load bearing capacity of the chain by 20%.
Quelques produits dans cette catégorie
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10072000
Maedler Plate wheel KRL without hub pitch 6mm 20 teeth material steel |
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10072100
Maedler Plate wheel KRL without hub pitch 6mm 21 teeth material steel |
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10072200
Maedler Plate wheel KRL without hub pitch 6mm 22 teeth material steel |
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10072300
Maedler Plate wheel KRL without hub pitch 6mm 23 teeth material steel |
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10072400
Maedler Plate wheel KRL without hub pitch 6mm 24 teeth material steel |
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10072500
Maedler Plate wheel KRL without hub pitch 6mm 25 teeth material steel |
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10072600
Maedler Plate wheel KRL without hub pitch 6mm 26 teeth material steel |
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10072700
Maedler Plate wheel KRL without hub pitch 6mm 27 teeth material steel |
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10072800
Maedler Plate wheel KRL without hub pitch 6mm 28 teeth material steel |
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10073000
Maedler Plate wheel KRL without hub pitch 6mm 30 teeth material steel |
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10073200
Maedler Plate wheel KRL without hub pitch 6mm 32 teeth material steel |
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10073500
Maedler Plate wheel KRL without hub pitch 6mm 35 teeth material steel |
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10073600
Maedler Plate wheel KRL without hub pitch 6mm 36 teeth material steel |
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10073800
Maedler Plate wheel KRL without hub pitch 6mm 38 teeth material steel |
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10074000
Maedler Plate wheel KRL without hub pitch 6mm 40 teeth material steel |
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10074200
Maedler Plate wheel KRL without hub pitch 6mm 42 teeth material steel |
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10074500
Maedler Plate wheel KRL without hub pitch 6mm 45 teeth material steel |
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10074800
Maedler Plate wheel KRL without hub pitch 6mm 48 teeth material steel |
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10075000
Maedler Plate wheel KRL without hub pitch 6mm 50 teeth material steel |
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10075400
Maedler Plate wheel KRL without hub pitch 6mm 54 teeth material steel |
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