FEC MICRO NR User Manual
Page 33

FEC Micro Nutrunner Operations Manual
Chapter 3: System Description
(Rev 2: 02/12)
Page 3-9
3.4
Nutrunner (Tool) Unit
FIG. 3-5a Micro Nutrunner (Tool) Unit components
{
RESOLVER
P
Provides feedback for speed regulation to Servo Amplifier.
P
Provides angular rotation monitoring capability to fastening operation.
{
MOTOR
P
Totally enclosed DC permanent magnet motor.
{
TRANSMISSION
P
Durable Planetary gear transmission.
{
TORQUE TRANSDUCER
P
Highly accurate strain gage transducer.
P
Highly Durable, compact design minimizes space requirements.
{
PREAMP (Part of Torque Transducer)
P
Intelligent transducer design accomplished through the use of an “ID Chip”
P
“ID Chip” data used to verify integrity of fastening operations.
{
CABLE CONNECTOR
{
Single Cable connection using durable threaded connector
{
BIT HOLDER
P
¼” quick change bit holder
(Refer to Chapter 4 for complete tool and mounting dimensions.)
Torque Transducer
Transmission
Motor / Resolver
Cable Connector
Bit Holder – ¼”