What is ISO 3408-2 about?
ISO 3408-2 is the second part of an ISO 3408 standard that covers metric series for ball screws that facilitate their standardization of dimensional aspects according to global norms.
ISO 3408-2 specifies the nominal diameters and nominal leads, mounting dimensions for ball screw nuts and mounting bolts for metric ball screws.
ISO 3408-2 also gives preferred combinations of nominal diameter and nominal lead and general plan which includes the additional combinations to be used when it becomes necessary to deviate from the preferred combinations.
Who is ISO 3408-2 for?
ISO 3408-2 on metric series for ball screws applies to:
- Manufacturers of ball screws
- Dealers, distributors and importers of ball screws
Why should you use ISO 3408-2?
A ball screw is a high-efficiency feed screw with a ball that moves between the screw axis and the nut in a rolling motion. It offers a drive torque of one-third or less than a standard sliding screw, making it ideal for saving drive motor power.
ISO 3408-2 gives you extensive information on physical features for ball screws such as symbols, nominal diameters, nominal leads and their combinations, mounting dimensions for ball screw nuts, type B6, B8, B4, A6 and C6 that assists you in standardizing the dimensional aspect of the ball screws.
Users of ISO 3408-2 can implement uniformity in dimensions of ball screws across the value chain that complies with the global standards.
What’s changed since the last update?
BS ISO 3408-2:2021 supersedes ISO 3408-2:1991, which is replaced.
Changes in BS ISO 3408-2:2021 include –
- The technical state of the art has been substantially reviewed
- Three series of ball screws reflecting different international standards have been defined
- Dimensions reflecting current market situations have been added
- Different types of flanges reflecting state of the art have been defined
