The granite used in a granite surface plate is graded by quality with these four levels of quality.
Inspection granite surface table.
Buy a precision granite surface plate for precise part measurement part inspection and other applications.
Tru stone granite surface plates and granite inspection plates meet or exceed all of the requirements set forth in this specification.
The backsplash is 22 tall.
In stock and ready to ship.
Grades of granite to consider when looking at a granite surface plate for sale.
This granite table is 54 wide 37 5 deep overall 29 25 usable depth and measures 30 from the bottom of the base to the top of the backsplash.
Solid granite surface plate and angle plates are used for precision layout inspection and tooling setup.
A steel support stand is required to use any granite surface plate.
Three point fixed suspension stands are recommended to minimize sag and warp thus maximizing accuracy long term.
At present there is no defining specification for granite angle plates parallels or master squares.
Use grade aa laboratory plates for precision operations in constant temperature gaging rooms and metrology departments.
The first is from a giddings lewis 1808 dcc coordinate measuring machine cmm.
Surface plates come in grades of a aa b and ht200 for different applications.
Choose from our selection of granite tables including granite flat surface plates stands for granite flat surface plates and more.
A calibration certificate for the surface plate table is included with every unit when purchased.
The base is 8 thick.
Align the markings on the bottom of the granite plate with the supports on the stand.
There are threaded fixturing holes spaced in a 6 25 x 9 grid.
Or equivalent national or international organization.
Our high quality black granite surface plates provide the strongest most durable and stable surfaces available.
Finding an affordable surface plate or granite inspection table for sale on ebay can be an easy way to upgrade your shop.
Precision granite surface plates are manufactured to meet or exceed the tolerances specified by asme b89 3 7 2013 and federal specification ggg p 463c a precision granite calibration certificate is included with every surface plate guaranteeing overall surface flatness and repeat gage measurements and is traceable to n i s t.
12 long x 12 wide x 4 thick granite inspection surface plate a inspection grade 0 0001 unilateral tolerance includes nist traceability certificate msc 86432879 starrett 80604 ships.
Granite surface plates and tables are a must for accurate measurement and provide a stable environment for inspection.
