Class | Rack Type | Quality | Total pitch error (
±µm/m) |
Applications | Helical Toothed |
Straight Toothed |
---|---|---|---|---|---|---|
Ultra-High Precision Rack (
UHPR) |
hardened & ground |
3 | 12 | High precision machine tools with electrical pre-load |
Series 48 | Series 46 |
case hardened & ground |
5 | 26 | Machine tools Lifting axes Multiple pinion contact |
Series 29 | Series 28 | |
High Precision (
HPR) |
hardened & ground |
6 | 36 | Wood working machines Plastic working machines Aluminium working machines Machine tools, water cutting machines Plasma cutting machines |
||
7 | 52 | Wood working machines Linear axes with high requirement for smooth running |
Series 29 | Series 28 | ||
Precision Rack (
PR) |
hardened & ground |
8 | 60 | Portals Handling Linear axes |
Series 39 | Series 34 |
milled & quenched + tempered |
8 | 100 | Series 38 | Series 33 | ||
Basic Rack (
BR) |
milled | 9 | 150 | Linear axes with low load Feed units for adjustment Lifting axes, handling, welding robots |
Series 47 | Series 25 |
hardened | 10 | 200 | Series 39 | Series 34 |