FRU Series Steady Rest

Developed for all standard applications. The FRU steady rests can be mounted to flat or slant bed lathes.

Developed for all standard applications. The FRU steady rests can be mounted to flat or slant bed lathes.

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FRU steady rests are used for all standard applications. This series of steady rests are available with clamp ranges from 4 mm to 800 mm. FRU steady rests can be mounted to flat or slant bed lathes. Mounting brackets can be supplied to meet your needs. All Kitagawa-NorthTech steady rest models come with a spare set of rollers and spare chip guard.

STANDARD FEATURES

  • Safety valve
  • Provision for max. opening feedback
  • Spare set of chip guards
  • Spare set of rollers
  • Provision for compressed air connection
  • Provision for centralized lubrication
(Click image for larger view)

FRU Drawing

Steady Rest TypeFRU1FRU2JFRU3JFRU3.1JFRU3.2JFRU4JFRU5FRU5.1FRU6FRU7FRU8
A212298462470486624706731.59801235.51404
B1371953083163324375005207098981000
C5170115123138146178198215320375
D6485135135135240270270330440500
E118170262262262365400400610/640650855
F132205290290290400450450680720930
G5570858585110145145145162190
I—-33373737373737466060
J33425252526783838394110
K25354545456075757582100
L1219252525252929293232
M193547474752626280100100
N1021252525324040435560
O75103.5154154154187206.5211.5271337.5385.5
P182.5105137137137165165165190238238
P227.566929090102102102115143143
P35575929494110110110130158158
P4118.5188279279323415473509.5732869.5976
R50.575117.3124139172209236290390402
S1114181818232323272735
T5568102102102126144144158190190
V376091.599.5109.5128160180182292.5295.5
Y—-19191919192020272727
Centering range without chip guardU148122050304585125200230
U264101152165200245310350460530630
Centering range with 3 piece chip guardU1416162050304585125191230
U264101152165200245310350460530630
Cylinder bored (dia)3050808080100100100130150150
Hydraulic connection (BSP)h1/4″1/4″1/4″1/4″1/4″3/8″3/8″3/8″3/8″3/8″3/8″
Operating pressure min(max)bar6(50)8(60)8(60)8(60)8(60)8(60)8(80)8(80)8(70)6(70)6(70)
Max clamp force/rollerdaN100350100010001000150020002000300040004000
Clamping pressure/roller at 15 bardaN35100250250500500500500670900900
Centering accuracy over entire clamping rangemm0.020.020.040.040.040.050.060.060.060.080.08
Repeatabilitymm0.0050.0050.0070.0070.0070.0070.010.010.010.020.02
Max peripheral speedm/min850950800800725725670670525570570
Approx weightkg718.5484850104155155430520580