Relieving lathe DH 250/III/630
manufacturer NILES
model 250/III*630
centre height of relief turning slide 150 mm
centre height over bed 300 mm
turning length / centre distance 630 / 1000 mm
relief turning and cross slide swivelling each 360 °
bore in work spindle 27 mm
tool quick draw-back 40 mm
relief turning stroke, stepless within 4 steps 0 – 32 mm
spindle speeds, stepless within 4 steps 1 – 400 rpm
draw back speeds, stepless 2,5 – 630 rpm
range of longitudinal feeds, 18 0,063 – 10 mm/r
threads: metric
0,4 – 225 mm, inch 0,016 – 9, module 0,16 – 71 mm DP 200 – 0,4 mm/inch
flute pitch 100 – 20000 mm, 4 – 800 inch
divisible No. of pitch 2 – 48
main motor, 380 V 50 Hz 9 kW
weight of the machine, approx. 6500 kg