MIL-STD-865D
instrumentation shall include a volt meter, ammeter, ampere-hour meter, variable DC
output and AC and DC circuit breakers.
4.4.1.1 Ammeter. The ammeter shall have sufficient capacity to provide a full- scale reading equal to the maximum capacity of the power source and an accuracy of ± five (5) percent of the current being measured.
4.4.1.2 Voltmeter. The voltmeter shall have sufficient capacity to provide a full- scale reading equal to the maximum capacity of the power source and an accuracy of ±
1.0 volt.
4.4.1.3 Ampere-hour meter. The ampere-hour meter shall be readable to a division compatible with power unit and application; i.e. 15 to 30 amperes 0.001 amp-hr,
60 to 200 amperes 0.01 amp-hr, over 200 amperes 0.1 amp-hr. Accuracy shall be ± 1 percent.
4.4.1.4 Micro-processor. 0ptionally replaces the signal digital ampere-hour meter, with five (5) programmable memories. The micro-processor will monitor up to a five (5) step procedure and notify the operator by audible alarm when required ampere- hours is reached in each step. It performs as a calculator, automatically inputs the results of the calculations into the power supply control mechanisms, and monitors selective plating operations as follows: performs surface area calculations and incorporates them with ampere-hour factor and thickness build-up requirements to determine pre-set ampere-hour values for the job. It then automatically programs the alarm system. The micro-processor is capable of monitoring coating thickness in inches or ampere-hours. In run mode, ampere-hour usage is monitored so that operator can record solution usage to avoid over depletion. Ampere-hour monitor retains data from repetitive operations in its cumulative memory.
4.4.2 Plating tool handles. The handles shall be designed to hold anodes of various sizes and configurations. The handles should be designed for rapid cooling. The handle shall be insulated for safety reasons.
4.4.3 Dishes, beakers, and flasks. The dishes, beakers, and flasks required to hold the plating solutions and catch the run-off should be inert to the solutions and of the appropriate configuration.
4.4.4 Accessory equipment. Depending upon the type of work being done, other items may be required, such as:
4.4.4.1 Blasting equipment and abrasive. The size of the cabinet shall be adequate for the part to be plated. Air lines shall be suitably trapped and filtered to prevent in-process contamination of the parts to be cleaned. The blast material shall be aluminum oxide (AL203) or silica (8I02). The material shall be a particular size or grit that will not affect the micro finish or dimension of the part. (The blast material and blast procedure are subject to the approval of the responsible engineering organization.)
4.4.4.2 Motorized turning head. The motorized turning head is used for rotating components such as shafts, bearings, etc, to assure concentric and uniform plating. The motorized turning head shall have a speed control from 0 - 600 RPM with
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