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Ball screws
Ball screws
Compass DHM projects also has ball screws and relative nuts in its catalog.
Ball screw systems represent low friction drive elements, and are used to convert rotational motion into linear motion. They can also be used to convert torque into axial alternating action and are therefore applied in hydraulic and pneumatic power transmission systems.
The system consists of a screw and a nut loaded with spheres. These balls roll between the corresponding helical grooves in the screw and nut. The ball screws guarantee high precision of movement and remarkable rigidity to support even heavy loads, as well as high rotation speeds.
The precision grade of the ball screws found in this category is C5.
Each screw has a descriptive name, e.g. SFU1204: The first three letters identify the type of nut-screw and its bushing to match, the first two digits the diameter the last two the pitch, and then from these then the relative advance for each model is derived. Here is a summary table:
12mm diameter | 16mm diameter |
1204--> 4mm pitch | 1604--> 4mm pitch |
1205--> 5mm pitch | 1605--> 5mm pitch |
1610--> 10mm pitch | |
Diameter 20mm | 25mm diameter |
2004--> 4mm pitch | 2504--> 4mm pitch |
2005--> 5mm pitch | 2505--> 5mm pitch |
2510--> pitch 10mm |
Since these leadscrews are single-principle, the pitch corresponds to the feed. So to know the linear feed at each turn of the screw you have to refer to the pitch itself of each individual model. For example with a 4mm pitch--> 4mm linear feed.
There are 22 products.