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BOLT-3 DATA SHEET

1. TA C ity X10 in Ib x103N Eur apacity x in Ib x m 0 23 FB Sensitivity AuV V Ib AuV V N Oe iz E 0 09 TT Sensitivity AuV V in Ib AuV V N m me DDN 3 7 08 RA 0 7 TA Sensitivity AUV V in lb ApV V N m 6 20 FB Stiff 106Ib in x108N ae iffness x in x m 5 25 1 00 TT Stiffness x10 in Ib rad x109N m rad 1 13 1 80 TA Stiffness x10 in Ib rad x10 N m rad 2 03 Maximum High Strength Bolt Size inches 1 4 mm 6 Resonant Frequency 4 kHz typical Safety Factor kd simultaneously Non Linearity Hysteresis and Non Repeatability Recommended Excitation Bridge Resistances Temperature range Crosstalk Less than 0 296 full scale output Less than 0 296 full scale output 10V 700 O to 125 F 18 to 52 C TA FB or TT FB TT TI FB 3 39 40 0 4 52 0 02 0 005 0 05 0 44 0 04 0 35 33 0 57 79 17 0 19 2 30 0 33 9 1 24 Bridge Fz Mz 700 ohms Bridges Fx Fy 350 ohms Connector Type Souriau 851 02E 16 26P50 44
2. BOLT 3 AMTI s BOLT 3 transducer simultaneously measures the torque applied to a bolt the torque at its threads and the axial tension in the bolt This unique instrument isolates uses strain gages and precision cylindrical elements to isolate and measure applied forces and torques enabling a detailed study of the loadsona bolted element This makes it an essential tool for the study of lubricants pitch size thread form material contact pressure thread locking compounds self locking inserts self locking threads and the torque and thrust characteristics of lead screws The BOLT 3 measures the two torques and one force needed to analyze fastener stress Five capacities and two standard housing sizes are available for the BOLT 3 custom units are also available Each model has the sensitivity needed to accommodate a range of bolt sizes For example the lowest capacity transducer has an axial load sensitivity of 0 38 AuV V lb 0 09 AuV N and can resolve 0 3 pounds 1 3 Newtons using 10V excitation a gain of 4000 and a typical data acquisition system This sensitivity allows screws as small as 4 or 3 mm to be tested at much less than one percent of their rated strength It can be attached to a table or machine tool base clamped in a vise or integrated into equipment The instrument may be used with conventional wrenches or with mechanical drivers a torque wrench is not needed since the BOLT 3 measuresthe applied torque directly
3. The unbalanced torques and side loadsobtained with standard wrenches do not affect the instrument s measurements These unbalanced loads may be measured with additional optional measurement channels of the BOLT 3 upport Washer E Bolt 3 Transducer These rugged transducers are manufactured with high strength aluminum shells alloy 7075 T6 and either aluminum or 17 4 PH stainless steel sensing elements A durable anodized finish protects the aluminum from cormosion while ela stometric O ring seals protect the strain gagesand wiring As with all conventional strain gage transducers the use of an amplifier is required for bridge excitation and signal amplification A single cable connects the BOLT 3 transducerto the amplifier which conditions the signals from the transducer and provides high level analog outputs BOLT 3 series specifications 205 210 5 00 10 0 FB Capacity x10 Ib x103N 2 23 44 5 1 50 3 00 4100 100 445 30 0 TT Capacity x10 in Ib x10 N m 0 34 4 00 0 45 0 17 0 04 0 47 4 16 0 35 3 10 6 00 10 51 1 90 2 15 3 60 4 07 3 8 8 0 57 6 50 0 74 0 13 0 03 0 29 2 57 0 24 2 12 9 00 15 76 3 00 3 39 5 00 5 65 12 12 1 13 13 0 1 47 0 06 0 01 0 16 1 42 0 12 1 06 18 0 31 52 5 50 6 22 10 0 11 3 5 8 16 Minimum x2 rated capacity allloadsapplied 0 17

BOLT-3 DATA SHEET

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