SPANNTOP

SPANNTOP. Numbers and facts
Chuck
Size Test length –––––––––––––––––––– Attainable concentric precision –––––––––––––––––
L –––––––––– Round –––––––––– ––––––– Square/hexagon –––––––
Modular, pull-back Deadlength Modular, pull-back Deadlength
32 30 < 0.01 < 0.02 < 0.04 < 0.06
42 30 < 0.01 < 0.02 < 0.04 < 0.06
52 30 < 0.01 < 0.02 < 0.04 < 0.06
65 50 < 0.01 < 0.02 < 0.04 < 0.06
80 50 < 0.01 < 0.02 < 0.04 < 0.06
100 60 < 0.01 < 0.02 < 0.04 < 0.06
125 60 < 0.01 < 0.02 < 0.04 < 0.06
140 60 < 0.01 < 0.02 < 0.04 < 0.06
>160 80 < 0.01
Clamping range clamping heads
Size —> d.max -> D L S Span Opening- Minimum Counter bore to Drawtube force RPM*
capacity chuck range nominal clamping- max. clamping Ø d max. max.
size length t Depth t
32 BZI 32 75 47 6 ± 0.3 + 0.6 8 mm 49 x 6.5 25 000 N 8000 min. -1
32 BZIG/HSW 32 75 44 3 ± 0.3 + 0.6 5 mm 49 x 6.5 25 000 N 8000 min. -1
42 BZI 42 120 47 9 ± 0.5 + 0.6 11mm 68 x 10 35 000 N 7000 min. -1
42 BZIG/HSW 42 120 42 4 ± 0.5 + 0.6 6 mm 68 x 10 35 000 N 7000 min. -1
52 BZI/BZIG/HSW 52 125 46 4 ± 0.5 + 0.6 6 mm 64 x 9 40 000 N 7000 min. -1
65 BZI 65 145 58 9 ± 0.5 + 0.6 11mm 87 x 10 45 000 N 6000 min. -1
65 BZIG/HSW 65 145 53 4 ± 0.5 + 0.6 6 mm 87 x 10 45 000 N 6000 min. -1
80 BZI/BZIG/HSW 80 160 53 4 ± 0.5 + 0.6 6 mm 93 x 11 50 000 N 5500 min. -1
100 BZ/BZG/HSW 100 215 59 0 ± 1.0 + 2.0 2 mm 117.2 x 20 65 000 N 5000 min. -1
120 BZ 120 240 61 3 ± 1.0 + 1.3 5 mm 150 x 18 70 000 N 3200 min. -1
125 BZ/BZG/HSW 127 250 67 4 ± 1.0 + 2.5 6 mm 167 x 18 70 000 N 3200 min. -1
140 BZ 140 265 63 5 ± 1.0 + 1.3 7 mm 166 x 18 100 000 N 3200 min. -1
160 BZ 160 290 63 5 ± 1.0 + 1.3 7 mm 210 x 12 100 000 N 3200 min. -1
* Data only applies if the standard clamping head version is used.
SPANNTOP chuck . Numbers and facts
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