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Figure 5. Excepts from the Revere-Osmosis Skill Specification.Skills--for the RO agentName ROType deviceParams intervalOuts noneFunction: A device skill that gets all the sensor values andprovides them to the other skills. Also sends commands to the pumpsand valves. Also every interval seconds, 12drillpress this skill broadcasts a datamessage with the values of all the channels listed above to the IPCserver so that clients (e.g., a logging facility) can access them (seethe IPC structure at the end of this document). Duty-Cycle RatingPower-supply rating depends on the type and thickness of the workpiece and the length of time it takes to deposit the longest weld on the thickest material. Duty cycle is the key factor to consider when selecting a power source. Once the engineer has determined the current and voltage needed to accomplish the weld, he then reviews duty cycle requirements.Duty cycle rating is the percentage of time during a 10-minute period a power supply can operate 12drillpress and 12drillpress at rated output amperage without overheating. A 300 A machine at 60-percent-duty cycle can weld for six minutes at 300. A during a 10-minute period. Alter six minutes, the welder must rest the machine for the next four minutes to avoid overheating the unit. Jim/Stafford: Early design involvement on the part of the manufacturer is the best way to make sure the resulting component will be reliable and effective.Jeff/Tollok: Carefully review your application requirements. Shaft material, hub material, transmittable torques, and bending moments can influence your selection of the proper locking assembly.Intelligent designWhat can DESIGNERS do when selecting and applying locking devices to improve productivity?Jeff/KTR: Obtaining comprehensive technical information will improve selection and performance. Find a manufacturer that maintains the quality of materials, dimensions, and surface finishes.Jeff/Tollok: Too often not enough questions are asked, and selections are made based on previous designs. Don''t use the same locking assembly simply because it was used elsewhere on the same machine or on a previous machine design. 12drillpress Involve your supplier and 12drillpress use their experience to get recommendations. ©2003 www.drill-press.net All rights reserved. |
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