MISUMI WEBINDEX

365 ‹Reference›Belt Width Tolerance (Unit: mm) Belt Width Belt Length 351 or Less 351 to 840 840 to 1680 1680 or More 10 or Less +0.3 −0.6 +0.3 −0.6 +0.3 −0.6 +0.6 −0.6 10 to 40 +0.6 −0.6 +0.6 −0.6 +0.6 −0.6 +0.6 −0.6 40 to 50 +0.6 −0.6 +0.6 −0.6 +1.0 −1.0 +1.0 −1.3 QPrecautions on Operation 1. Be careful to avoid the ingress of foreign particles. When solid foreign particles enter during operation, it can scratch the belt and adversely affect the engagement of the belt and the pulley. In some cases, the pulley may disengage, land on the teeth of the pulley, and be cut. 2. Avoid Adhesion of oil. Oil on the rubber timing belt may wet and expand it, drastically shortening its service life. (a)Take special care when using solvent type oil. (b)A small amount of lubricant or grease, however, rarely causes a trouble. 3. Do not use the belt in a humid atmosphere. 4. Please use a well-ventilated safety cover. 5. The service life of the belt, when used at a high temperature (80˚C or more), can be drastically shortened. Belt Length Length Tolerance Inter-Shaft Distance Tolerance 2GT 3GT EV5GT EV8YU Ci Cs Ci Cs Ci Cs Ci Cs 150 or Less ± 0.40 ± 0.20 4 3 5 3 10 3 20 3 Over 150 250 or Less ± 0.40 ± 0.20 3 3 3 3 Over 250 380 or Less ± 0.46 ± 0.23 3 3 3 3 Over 380 500 or Less ± 0.50 ± 0.25 3 3 3 3 Over 500 750 or Less ± 0.60 ± 0.30 5 5 5 5 Over 750 1000 or Less ± 0.66 ± 0.33 5 5 5 5 Over 1000 1250 or Less ± 0.76 ± 0.38 10 10 10 10 Over 1250 1500 or Less ± 0.82 ± 0.41 10 10 10 10 Over 1500 1750 or Less ± 0.86 ± 0.43 10 10 10 10 Over 1750 2000 or Less ± 0.92 ± 0.46 10 10 10 10 [Step 6] Check if Inter-Shaft Distance Adjustment Range is Larger than that in Table 30 C (Inter-shaft Distance) Ci (Min. Adjustment Range, Inside) CS (Min. Adjustment Range, Outside) Table 31 Minimum Inter-Axial Distance Adjustment Range Belt Length Length Tolerance Inter-Shaft Distance Tolerance MXL XL L H S2M S3M S5M S8M S14M MTS8M P2M P3M P5M P8M T5 T10 Ci Cs Ci Cs Ci Cs Ci Cs Ci Cs Ci Cs Ci Cs Ci Cs Ci Cs Ci Cs Ci Cs 150 or Less ±0.35 ±0.18 3 3 5 3 10 3 15 3 10 2 15 3 15 − 10 3 15 3 5 3 10 3 150 to 250 ±0.41 ±0.21 3 3 3 3 2 3 3 3 3 3 3 250 to 380 ±0.46 ±0.23 5 5 5 5 2 3 3 3 3 5 5 380 to 500 ±0.51 ±0.26 10 10 10 10 2 3 3 3 3 10 10 500 to 750 ±0.60 ±0.30 10 10 10 10 3 5 3 5 5 10 10 750 to 1000 ±0.66 ±0.33 15 15 15 15 3 5 5 5 5 15 15 1000 to 1250 ±0.76 ±0.38 15 15 15 15 5 10 5 10 10 15 15 1250 to 1500 ±0.82 ±0.41 25 25 25 25 5 10 10 10 10 25 25 1500 to 1750 ±0.86 ±0.43 25 25 25 25 5 10 10 10 10 25 25 1750 to 2000 ±0.92 ±0.46 30 30 30 30 5 10 10 10 10 30 30 Timing Belt Selection of Transmission Timing Belts 4

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