What Is a Magnetic Stand?
A magnetic stand is a device primarily used to secure measuring instruments like dial indicators at the tip.
These stands vary in design, from simple two-pillar types to adjustable models with fine-tuning capabilities for the mounted measuring instrument. It’s important to consider the compatibility of existing or new measuring instruments with the stand, as well as the need for precision adjustments based on the measurement task.
Using Magnetic Stands
Magnetic stands typically feature a base with an on/off magnet, attached to a metal member like a surface plate. A dial gauge is then affixed to the stand, allowing precise contact with the workpiece for measurement. Adjustments are made to ensure the measuring instrument is within its range, especially important for high-resolution measurements like those requiring 1/1000 mm precision.
When dealing with complex-shaped objects or intricate measuring points, the choice of a stand with the appropriate pillar length or flexibility, like a bellows-type stand, is crucial for effective measurement.
Components and Principles of Magnetic Stands
A typical magnetic stand consists of a V-shaped base with an on/off magnet, a fixed column connected to a movable column via a threaded bracket, and a dial gauge mounting member at the end of the movable column. The stands are available with or without fine adjustment functions, and the specifications can vary in terms of:
- Adsorption Force of the Base: Determined by the magnet’s specifications.
- Column Shape: Options include long, short, flexible, or rotationally movable.
- Measuring Instrument Mounting: Ranging from basic directional screws to those with fine-tuning functions.
Choosing the right specifications impacts the efficiency and accuracy of the measuring process.