Indicator arms are available in lug or stem mount.
Base grade granite.
A low grade granite slab is a thinner cut usually about 3 8 inch it usually requires a piece of plywood backing for more strength.
The gx granite base super precision the gx is available as a standard three axis machine with optional 4th axis rotary stage or 5 axis trunnion table.
Granite is a hard material but its hardness varies for several reasons.
Grade 0 plates and tables are typically used for laboratory environments where master artefacts are required.
An experienced granite plate technician can estimate the hardness by its color which is an indication of its quartz content.
Indicator arms have a throat depth of 1 75 and can be raised to a height of 6 depending on the type of mount used.
6 x 6 x 2 grade aa 00005 these 6 x 6 x 2 granite bases are supplied with a 1 25 diameter 8 tall column and an indicator arm rigid or with a fine adjustment knob.
A surface plate is a solid flat plate used as the main horizontal reference plane for precision inspection marking out layout and tooling setup.
Granite hardness is a property defined in part by the amount of quartz content and lack of mica.
Eley metrology s granite surface plates and tables are in accordance with bs 817 2008 and are graded at three levels.
Grade 0 granite surface plates tables.
The granite properties determine the stiffness of the granite therefore accuracies can be guaranteed with less thickness than other types of granite.
This low grade granite is usually imported from china and sold through granite liquidators big box stores or cut into tile.
The granite base indicator stands that we offer are made of black granite which is stronger and denser than light colored granite is more stable and wears longer.