B-28
made by isel
®
Ball screw spindles Ø 12, 16, 20, 25 mm
Features
• rolled, hardened nad polished
• material CF 53, inductively hardened
(HRC 60±2)
• length up to 3,052 mm available
(Special length on request!)
• end machining to isel standard
or according to customers specifications
• tolerance class ISO 7 Δ 300 mm
Available length
M Ø
Ø D1
Ø D2
Ø D3
Ø D4
L1
L2
L3
L
L4
L5
Dimensioned drawing
See „available length“ for permissible combinations!
Ordering key
2 1 1 1 X X X X X X
Spindle pitch
2 = 2,5 mm (only for Ø 12, 16mm)
3 = 4 mm (only for Ø 16 mm)
4 = 5 mm
5 = 10 mm (not at Ø 12 mm)
6 = 20 mm (not at Ø 12 mm)
Diameter
2 = 12 mm
3 = 16 mm
4 = 25 mm
5 = 20 mm
End machining
0 = not machined
1 = one-sided
2 = both sided (only for Ø 12, 25 mm)
5 = both sided (only for Ø 16, 20 mm)
suitable for all feeds
(Aluminium profile length +78 mm
)
Lengths
e.g.045 = 452 mm
086 = 868 mm
305 = 3,052 mm
(rounded to the final digit)
Spindle pitch L [max.] L1 L2 L3 L4 L5 M D1 D2 D3 D4
Ø 12 2.5 / 5 1552 10 20 40 19 - M8x 1 6.35 h7 8 h6 - 7 h6
Ø 16 2.5 / 4 / 5 / 10 / 20 3068 18 31 52 28 - M10 x 0.75 8 h7 10 h6 - 12 h6
Ø 20 5 / 10 / 20 3052 20 32 55 27.5 - M12x 1 10 h7 12 h6 - 12/14 h6
Ø 25 5 / 10 / 20 3000 25 37 69 26 16 M17x 1 15 h7 17 h6 15 j6 19 h11
MECHANICS Drive elements
Drive elements
mechanics
End machining
i
n a grid of 100 mm
Ø 12
without 252 bis 1552 mm
one-sided 252 bis 552 mm
two-sided 252 bis 1552 mm
Ø 16
without 352 bis 3052 mm
one-sided 352 bis 1052 mm
two-sided 368 bis 3068 mm
Ø 20
without 252 bis 3052 mm
one-sided 252 bis 1052 mm
two-sided 252 bis 3052 mm
Ø 25
without 300 bis 3000 mm
one-sided 352 bis 1052 mm
two-sided 295 bis 2995 mm