Chapter 3 System Description
PAGE 3-14
3-2-7 Tool Unit
Resolver
o Provides feedback for speed regulation to Servo Motor.
o Provides angular rotation monitoring capability to fastening operation.
High Speed Motor
o Totally enclosed DC permanent magnet motor.
o RS1, RS2 & RS3 for torque ranges up to 200nm.
Transmission
o Durable compact planetary gear transmission.
o Optional overshoot damper for high speed seating operations.
Torque Transducer
o Highly accurate strain gauge transducer.
o Very durable, compact design minimizes space requirements.
Preamp (built into the torque transducer)
o Intelligent transducer design accomplished through the use of an “ID Chip”.
o “ID Chip” used to verify integrity of fastening operations.
Connector
o Single connection point for Motor, Resolver and Transducer.
o Compact quarter-turn connector design.
Tool and Spindle Assembly
Spindle Assemblies are used to take up the travel of a threaded fastener as the fastener is rundown (so
the fastener does not run out of the socket or bit). Standard compression is 2.0 inches of travel. (See
section 2-2-3 for more information)
Straight Type
Straight TypeStraight Type
Straight Type
Spindle A
Spindle ASpindle A
Spindle Assembly
ssemblyssembly
ssembly
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