Helical Ground Rack (Alloy Steel)
High-precision helical ground racks made of SCM440 alloy structural steel, combining high strength with good toughness. Especially suited to heavy-load conditions such as automated production lines, heavy-duty handling robots and large gantry machining centers.
Precision Grade
Normal Grade N
High Grade H
Precision Grade P
Super Precision SP
Ultra Precision UP
| Item | Parameter Details |
|---|---|
| Precision Grade | JIS N3 |
| Material | SCM440 Alloy Structural Steel |
| Hardness | HRC 10-12°(quenched-and-tempered) or HRC 48-52° (hardened, optional) |
| Module Range | M1.0 – M3.0 |
| Pressure Angle | 20° |
| Helix Angle | 19°31′42″ |
| Tooth Profile Standard | Involute (DIN 3967 / AGMA Q10-Q12) |
| Surface Treatment | Precision-ground tooth flanks, black-oxide finish (rust prevention) |
| Length Range | Standard lengths: 1000 mm, 2000 mm; spliceable |
| Mounting Method | Standard tapped-hole spacing, supports butt-joint dowel-pin connection |
| Typical Applications | Automated production lines, heavy-duty handling robots, large gantry machining centers |