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T-snap lip Note: The new sprockets are completely interchangeable with the previous design. Part numbers and item descriptions are unchanged.
Self-retaining bolts and nuts Wider teeth T-snap lip
MOLDED SPROCKETS 2120-2250 SNAP CONCEPT / DETAILS
For drive and return sprockets, go to: 2120 series, go to: 2250 series, go to:
The molded sprockets for our 2120-2250 series plastic modular belts have been improved. In comparison to the previous sprocket design. The new sprockets offer following benefits: LONGER LIFE The sprocket teeth have been enlarged by 8% (2250 only) to better transfer the load from sprocket to belt. This will also result in a longer wear life of sprocket and belt. Moreover, a new material is used, which is more stable in all application conditions and offers increased impact resistance. EASIER USE OF SHAFT COLLARS Shaft collars can now be used more easily. Hub width has been slightly reduced from 49 mm to 47,5 mm. Now, all our standard shaft collars can be used in combination with these sprockets, even on conveyors with 85 mm center-to-center distance. SIMPLER INSTALLATION Bolts and nuts can be inserted in the proper seats with a small interference, designed to avoid losing these parts during assembly/disassembly. There will be no more time lost due to bolts or nuts falling to the floor while installing a sprocket. The new and unique snap-fastening system is another feature that makes sprocket assembly much easier. The T-shaped lip at the edge of the sprocket half, simply snaps into its counterpart in the other half. When put around the shaft, the two halves will stick together even without fixing the bolts and nuts. IMPROVED STRENGTH AND WEAR LIFE The design of the rib structure, especially around the hub, has been optimized. This has resulted in improved strength and reduced weight at the same time. The improved roundness results in a smoother belt operation. NEW SNAP-FASTENING SYSTEM The new and unique snap-fastening system makes sprocket assembly faster and easier. Besides, the strength has been improved by adding a T-shaped rib and a new design of the hub area. Parts snap together without fixing bolts 2120 2250
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