Granite Surface Plate Threaded Inserts

Ten plates were tested.

Granite surface plate threaded inserts.

Accuracy specifications starrett granite surface plates meet or exceed u s. In a recent test using 3 8 16 threaded inserts an independent testing laboratory measured the force required to pull an epoxy bonded insert from a surface plate. In metrology it is very common for customers to require threaded inserts to hold or clamp items in place during the measurement process. A standard diamond core drill was used at a feed of 0 1 inch min.

Inserts for stone and composites inserts for stone and composites our self anchoring is a press in threaded insert that utilises a mechanical anchoring feature to provide permanent threads in panels made of marble granite or other stones as well as composites carbon corian hpl glass and other solid surface materials. The standard aisi303 stainless steel threaded inserts according to the table are applied with epoxy resin on surfaces for component fixing on the granite structure and tested for traction resistance. In a recent test using 3 8 16 threaded inserts an independent testing laboratory measured the force required to pull a epoxy bonded insert from a surface plate. For mounting points we offer threaded inserts on position dovetails in the granite or inserted steel bars with t slots.

All our surface plates meet or exceed asme standard b89 3 7 2013 and federal specification ggg p 463c. After reaching the desired depth the cores were removed by tapping and the inserts. Diy method to put threaded inserts in granite. Our standard and custom metrology components include master squares master angles parallels and straight edges.

Ten plates were tested. Threaded inserts are used to repair stripped threads in plugs and other parts or to create a new threads in a hole for fastening applications. Starrett granite surface plate calibration calibration of granite surface plates granite parallels 2 and 4 sided granite straight edges granite tri squares granite. Out of these ten in nine cases the granite fractured first.

They can also be used to convert a standard threaded hole to accept metric fasteners and vice versa. Eley metrology has been providing granite surface plates and tables to industry for over 40 years. The recommended method for using inserts in a metrology grade granite surface table. Thread repair inserts are installed into an existing hole with an installation tool to repair stripped.