Marble slab drawn from the underground excellent rock layer, after hundreds of millions of years of natural aging, the shape is extremely stable, do not worry about deformation due to regular temperature difference. After strict physical test and selection of granite materials, fine crystal, hard texture, compressive strength of 2290-3750kg/square centimeter,
Marble slab drawn from the underground excellent rock layer, after hundreds of millions of years of natural aging, the shape is extremely stable, do not worry about deformation due to regular temperature difference. After strict physical tests and selection of granite materials, fine crystal, hard texture, compressive strength of 2290-3750kg/square centimeter, hardness of Mohs hardness of 6-7. Strong abrasion resistance, acid and alkali resistance, high corrosion resistance, will not rust. Because the marble is a non-metallic material, there is no magnetic reaction and no plastic deformation. Its hardness is 2-3 times higher than that of cast iron (equivalent to HRC>51), so it has good precision retention. In use, even if the rock tool is hit by heavy objects, it will drop a few grains of ballast at most, and will not destroy the accuracy due to deformation like metal tools. It is superior to the precision measurement reference parts made of excellent cast iron and steel, and can obtain high and stable accuracy.
Marble marking plate is generally equipped with a special bracket, the bracket is generally customized according to the specifications of the marble marking plate, special requirements can be made according to customer requirements. The bracket is generally welded by square steel, and the height is determined according to the thickness of the marble marking plate. Generally, the height of the working surface from the ground after the marble marking plate is placed on the bracket is 800mm.
There are five fulcrums below the bracket that contact the ground, three of which are fixed and the other two are adjusted fulcrums for rough adjustment. There are also five fulcrums above the bracket that contact the marble scribing plate, all of which are adjustable fulcrums for fine adjustment. It should be noted that the five fulcrums contacting the plate also need to adjust three points, I .e. a triangular surface, and the other two are used for auxiliary fine adjustment.
