What Level Are Granit Plates

Clean the granite surface plate prior to calibration.

What level are granit plates.

Since 1984 we have strived to exceed our customers expectations in every way. The granite used in a granite surface plate is graded by quality with these four levels of quality. There is a glitch in the advertising. The extremely tight flatness tolerances provide an accurate reference plane for layout and inspection work.

A this is an inspection grade granite surface. Plates with two ledges are used to hold fixtures and instruments with clamps. The plate is advertised as grade a which is 000100. Below are examples of level 3 and level 4 granite.

Aa this is a laboratory grade granite surface. A leading manufacturer of granite surface plates accessories and machine bases. Alibaba offers 27 level granit plate suppliers and level granit plate manufacturers distributors factories companies. This particular plate came in at 2 5 microns which is right at spec for grade a.

Surface plates come in grades of a aa b and ht200 for different applications. Use grade aa laboratory plates for precision operations in constant temperature gaging rooms and metrology departments. Our knowledgeable staff can assist you in selecting the best granite for your product based in regard to uniformity of surface accuracy deflection under load. Place a repeat measuring gauge on the center of the granite surface plate.

There are 16 oem 15 odm 2 self patent. The 000050 flatness stated on the web site is for grade aa. B this is a toolroom grade granite surface. If i have to list a complaint it s from reading through the ratings here.

Workshop this granite surface grade is the lowest and may not be suitable for precise cnc machine tooling tasks. As the granite level increases you should expect to pay 58 100. Immediately dry the cleaner off the surface plate with a dry cloth. Just note that the plate is flat within 000100 not 000050.

Not much else to say other than it is exactly what it claims to be. Find high quality level granit plate suppliers on alibaba. It s a proper granite surface plate with a grade a surface and calibration sheet. A lot of companies typically go up to 5 levels but we have seen some countertop companies go up to 6 or 7 levels.

Laboratory grade aa plates are for precision quality control work. Inspection grade a plates are for general quality. Granite has more than just 3 levels. Pour a small amount of surface plate cleaner on a clean soft cloth and wipe the surface of the granite.

More info what we do. Great plate for the money. Why are certain types of granite used in surface plates. Do not allow the cleaning liquid to air dry.