6 ■DDFR Direct Drive Filler Roll ■DDSB Direct Drive Support Bearings DDSB Direct drive support bearing between sprockets to prevent deflection of the belt. The material is UHWWPE. These rolls are used to prevent deflection of belts. The material is UHMWPE. Supports shaft in the middle when excessive strain occurs on shaft. The material is UHWWPE. When excessive strain occurs in the shaft, this bearing is used to support shaft. The material is UHMWPE. W F・F L F・F H ■SD belt system SD belt system We also offer SD belt system combined with single-row tooth sprocket. Sprocket material is SUS303, and sprocket dimensions other than standard specifications are also available. It is also effective when sprockets equivalent to the drum diameter is required, such as when replacing an existing drum drive. SD belt system with single row teeth sprocket is available. Sprocket material is SUS 303 and special specifications can be made. This is good for replacing friction roller system with same size sprocket as existing drive roller. B. D. O. D. W 6 7 Figure 4 Figure 4 Figure 5 Figure 5 Figure 5 a b c ※SD-1 and SD-6 are special specifications. If SD-1 or SD-6 are selected, a meeting is required. SD-1, SD-6 is a special specification. A previous arrangement will be needed in case of choosing SD-1, SD-6. ■Examples of application variety Design SD-1 ※ SD-2 SD-3 SD-4 SD-5 SD-6 ※ Belt type K2-15-20-2.6-2.3 K2-12.5-15-2.3-2.0 K2-10-12.5-2.5-2.0-1.8 K2-7.5-1.8-1.6 K2-5.0-1.6 K2-5.5-1.6-1.2 K2-5.0-6.0-1.4-1.2 Number of teeth O.D. W B.D Number of teeth 10 131 37.50 116.6 10 99 31.25 86.2 10 83 25.00 71.3 10 67 26.25 56.3 12 60 27.50 51.6 15 60 27.50 51.6 15 60 27.50 51.9 weight Weight kg/m2 8.4 8.4 7.6
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