Inertia dynamics wrapspring_specsheet
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This document contains operating parameters and specifications for various J-33 wrap spring clutch models, including maximum and minimum torque and speed ratings. It also includes charts for converting between the inertia of steel shafting of different diameters and the inertia of other materials by using multiplication factors.
Inertia dynamics wrapspring_specsheet
- 1. J-33 Operating Parameters Chart Static Maximum Minimum* Anti-Back Anti-Overrun Input Hub Maximum Torque Input Input Torque Torque Bearing Load Model In.-Lbs. Speed Speed In.-Lbs. In.-Lbs. Lbs. DCB-2 25 1800 300 10 10 7.5 DCB-4 125 1200 200 80 25 14 DCB-5 250 750 150 160 45 32 DCB-5 SUPER 250 750 150 125 125 40 DCB-6 500 500 100 300 300 63 DCB-6 SUPER 500 500 100 300 300 65 DCB-8 2500 300 50 600 600 300 DCB-8 SUPER 2500 300 50 600 600 300 SC-2 25 1800 None — — 8 SC-4 125 1200 None — — 14 SC-5 250 750 None — — 32 SC-6 500 500 None — — 63 SC-8 2500 300 None — — 300 * When operating below minimum speeds, system inertias may have to be increased for proper performance. Consult factory for application assistance. Inertia Conversion Chart Inertia of Steel Shafting (per inch of length or thickness) In order to determine the inertia of a rotating member (shaft, disc, etc.) of a material other than steel, multiply the inertia of the appropriate steel diameter from the chart at right by: Dia. WK2 Dia. WK2 Dia. WK2 (Inches) (Lb.-In.2) (Inches) (Lb.-In.2) (Inches) (Lb.-In.2) 1/4 0.00011 7 66.816 13 803.52 3/8 0.00055 7-1/4 77.04 13-1/4 858.24 1/2 0.00173 7-1/2 87.984 13-1/2 924.48 3/4 0.00864 7-3/4 100.656 13-3/4 995.04 1 0.0288 8 113.904 14 1068.48 1-1/4 0.072 8-1/4 128.88 14-1/4 1147.68 1-1/2 0.144 8-1/2 144 14-1/2 1229.75 1-3/4 0.288 8-3/4 162.72 14-3/4 1317.6 2 0.432 9 182.88 15 1404 2-1/4 0.72 9-1/4 203.04 16 1815.84 2-1/2 1.152 9-1/2 223.2 17 2314.08 2-3/4 1.584 9-3/4 252 18 2910.24 3 2.304 10 277.92 19 361.52 3-1/2 4.176 10-1/4 306.72 20 4433.76 3-3/4 5.472 10-1/2 338.4 21 5389.92 4 7.056 10-3/4 371.52 22 6492.96 4-1/4 9.072 11 407.52 23 7757.28 4-1/2 11.376 11-1/4 444.96 24 9195.84 5 17.28 11-1/2 486.72 25 10827.36 5-1/2 25.488 11-3/4 529.92 26 12666.24 6 36 12 576 27 14731.2 6-1/4 42.624 12-1/4 626.4 28 17036.64 6-1/2 49.68 12-1/2 679.68 29 19604.16 6-3/4 57.888 12-3/4 735.84 30 22452.48 Material Multiplier Bronze 1.05 Steel 1.00 Iron 0.92 Powdered Metal Bronze 0.79 Powdered Metal Iron 0.88 Aluminum 0.35 Nylon 0.17 Wrap Spring Clutches Sold & Serviced By: ELECTROMATE Toll Free Phone (877) SERVO98 Toll Free Fax (877) SERV099 www.electromate.com sales@electromate.com