Shanghai Precision marble platform - from the Botou excellent tripod machinery manufacturers

My company mainly produces large cast iron T-slot plate bending | bed casting | cast iron platform / welding platform / marble platform / inspection plate. Welcome to you veterans Advisory orders marble platform precision reference the American National Standard, flatness tolerance according to: GB4987-85 Standard: 000 = 1 × (1 + d / 1000) um 00 级 = 2 × (1 + d / 1000) um 0 Level = 4 × (1 + d / 1000) um 级 1 = 8 × (1 + d / 1000) um (d diagonal mm) (measured temperature is generally 21 ± 2 ℃ marble platform with high quality natural marble material After machining, manual refinements made of black gloss, structural precision even texture, good stability and high strength, high stiffness and has:.. does not rust acid, non-magnetized, the same type, and good abrasion resistance . can be maintained in heavy duty and general temperature stable. marble slab, precision marble slab, marble inspection plate, instrument platform, using high-quality "Jinan Green" stone grinding by machining and hand made black gloss, structural precision, texture uniformity, stability, strength, high hardness, high accuracy can be maintained under heavy duty and general temperature, and has no rust, acid, wear resistance, is not magnetized, the same type and so on. marble platform (tablet ) applicable to machine shop measuring tools marble crossed platform is to check the measurement reference machine parts flatness, straightness tolerance and other forms can also be used for grinding parts marking, installation of equipment and other purposes. is to check the mechanical parts flat, parallel measuring reference, straightness tolerance and other forms can also be used for marking, welding and grinding processing and measurement general parts and precision parts, etc. marble platform flatness and proportion flatness tolerance according to:. GB4987-85 standard: 00 Level = 2 × (1 + d / 1000) um 0 级 = 4 × (1 + d / 1000) um1 level = 8 × (1 + d / 1000) um (d diagonal mm) (measured temperature generally 21 ± 2 ℃ marble slab gravity: 2970-3070kg / m Compressive strength: 245-254N / m linear expansion coefficient: 4.61 × 10-6 / ℃, water absorption: <0.13% Shore hardness: Hs70 above Tel: 0317- 8031203 Mobile: 15233275726 (Hebei) 15852708925 (Wuxi) Company Website: http // www.btydjxc.com E-mail: btydjxc@163.com Read more about the marble platform, please visit our web site http: // www. btydjxc.com