FRANGIBOLT PRODUCTS  Frangibolt  Video Demo  Mini-Frangibolt  Video Demo Actuator FC6-32-7SR2 Actuator FC4-24-10SR2 Actuator FC3-20-16SR2 Actuator FC2-16-31SR2 Frangibolt Washers Frangibolt Fasteners Instrumented Fasteners Frangibolt Lock Nuts Compression Fixtures: CT2 CT3 Frangibolt Switch-Washer Frangibolt Enclosures Frangibolt Application Examples	Frangibolt® Actuator FC3-20-16SR2 The FC3-20-16SR2 Frangibolt Actuator was first qualified and flown on the STEX (Space Technology Experiment) satellite in October of 1998. It is designed to operate with any standard high strength #10 size notched bolt or stud¹. The Nitinol (Shape Memory Alloy) cylinder generates greater than 2000 lbs of force and 0.035 in. of stroke to fracture the fastener in tension during actuation. As with all Frangibolt Actuators it is reloaded by simply re-compressing the Nitinol cylinder after each actuation cycle. This may be done using any standard laboratory press or using TiNi's portable compression tool FBT-CT2. Frangibolt model FC3-20-16SR2 may be purchased with a thermocouple by adding a TC to the part number. ¹ TiNi Aerospace must provide the specially notched Titanium Fastener. This is largely application-dependent and is readily manufactured to customer specification. See Frangibolt Fastener Specification Sheet.   Function Time 2 (@ 23º C) Specifications Max Load Support & Release 4500 N (1000 lb-f) Max Joint Length 5.7 cm (2.25 in) Operational Voltage 22 to 36 Vdc Minimum Operating Temp. -65°C (-85°F) Maximum Operating Temp.2 +80°C (176°F) Heater Resistance  16 Ω Mass 25 g (0.88 oz) Power Consumption 48 Watts  @ 28 Vdc Life Cycles MIN 60 Cycles   Features: Redundant Heater   Reusable   TC Sensor
		2 Note that the function times shown above are for the higher transition temperature "FC" series Frangibolt Actuators which actuate at roughly 100°C. TiNi Aerospace also manufactures a line of "FB" series Frangibolt actuators which have a lower +75°C actuation temperature and therefore have a ~25% faster function time. Selection between the two should be based on maximum operating temperature.

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