Botou Mingtu Machinery Equipment Manufacturing Co.,Ltd-Welding Table,Granite Surface Plate,Machine Tool Castings,Cast Iron Platform,Cast Iron Parts,Steel Casting

Precision testing instruments such as coordinate measuring machines, optical detectors, image measuring instruments and high-precision inspection platforms widely adopt granite structural components as core frames, bases ...

Heavy workpieces are not allowed to be directly placed on the surface of granite measuring plates without protective measures.Direct placement will cause irreversible damage to the precision reference surface and reduce t...

Aging treatment is an indispensable core process in the production of granite measuring plates, which fundamentally solves the problem of unstable precision caused by residual stress inside stone blanks. The specific purp...

Aging treatment is an indispensable core process in the production of granite measuring plates, which fundamentally solves the problem of unstable precision caused by residual stress inside stone blanks. The specific purp...

After finishing daily measurement and processing work, remove all metal scraps, iron filings, cutting fluid and welding spatter on granite components with plastic scrapers and dry compressed air guns. ...

Clear iron filings, oil dirt and welding slag on the granite surface with a plastic scraper and compressed air gun. Seal all threaded holes and positioning holes with rubber stoppers to prevent cleaning agents and polishi...

Under standardized use and regular maintenance, qualified granite structural parts made of high-density fine-grained black granite maintain stable precision for more than ten years with barely measurable deviation. Howeve...

Granite surface plates are divided into four official accuracy grades based on flatness tolerance: Grade 00, Grade 0, Grade 1, and Grade 2. The grading standard is formulated according to geometric tolerance limits of fla...