fire-proof door(Wooden doors)Testing Platform、FlatAlso known as: testing platform, cast iron testing platform, aluminum profile testingFlatCast iron testingFlatWait;
fire-proof door(Wooden doors)Testing Platform（Flat）Accuracy: According to the national standard metrological verification regulations, it is divided into four levels: 0, 1, 2, and 3.

fire-proof door(Wooden doors)Testing PlatformMaterial: High strength cast iron HT200-300

fire-proof door(Wooden doors)Testing PlatformWorkface hardness: HB170-240。

fire-proof door(Wooden doors)Testing PlatformSpecification: 100 × 100-3000 × 6000 (special specifications are made according to the buyer's drawings)

fire-proof door(Wooden doors)Testing PlatformPurpose:

1. It is often used as a measurement benchmark for detecting mechanical parts, flatness, parallelism, straightness and other geometric tolerances, and is suitable for various machine tool mechanical inspection work;
2.fire-proof door(Wooden doors)Testing Platform、FlatIt is also often used to check the dimensional accuracy or positional deviation of parts, and is an indispensable basic measuring tool in mechanical manufacturing.
fire-proof door(Wooden doors)Testing Platform、FlatAfter manual processing, higher precision and good wear resistance can be achieved. At the same time, for detectionFlat/The surface quality inspection of the testing platform can be carried out by coloring hair inspection, with a standard of level 0 and level 1FlatWithin a range of 25 millimeters square on each side, there shall be no less than 25 points, no less than 20 points for level 2, and no less than 12 points for level 3. The product is made into ribbed plate and box type, with rectangular, square or circular working surfaces.
fire-proof door(Wooden doors)Testing Platform、FlatProduction process: The working surface adopts scraping and grinding technology, and V-shaped, T-shaped, U-shaped grooves, dovetail grooves, circular holes, long holes, etc. can be machined on the working surface