lathe steady rest
Kitagawa’s FRU 1 (STANDARD STEADY REST / FRU) has a 4-64mm centering range without chip guard and a 11-64mm centering range with 3 piece chip guard. Its cylinder bore is 30 with a hydraulic connection of 1/4". Its operating pressure has a 6 min and a 50 maximum bar range with a maximum clamp force of 1kN. The FRU 1 has a centering accuracy of 0.02mm over the whole clamping range. It also has a 0.005mm repeatability and a maximum peripheral speed of 850m/min.