T-slot plate Usage: mainly used for fixed workpiece, is fitter workers used to debug the equipment, assembly equipment, maintenance equipment, the basic work platform. T-slot plate material: HT200-300 high-strength cast iron face hardness of HB170-240, After two manual processing (annealing 600 degrees -700 degrees artificial and natural aging 2-3 years) using the product accuracy and stability, good wear resistance. T-slot plate accuracy: according to the implementation of the national standard verification procedures, were 0 , 1,2,3 four grades. T-slot plate size: 500 × 800-2000 × 4000, (the products are processed or produced according to customer drawings agreed production and processing, users can request the size and weight Production) . T-slot plate (T-slot platform) the quality of the test: 1, T-slot plate (T-slot platform) work surface should not have rust, scratches, bumps and other defects affecting the appearance of the use of .2, cast iron plate (T-slot platform) work surface should not have sand holes, pores, cracks, slag and casting shrinkage and other defects of the casting surface should be clean sand, and the surface smooth, painted solid. The edge should be revised blunt in the accuracy level is lower than "00" class flat work surface, the hole diameter less than 15mm of sand to allow blocked with the same material, its hardness should be lower than the hardness of the surrounding material at the site of the work surface should be blocked not more than four, their mutual distance should not be less than 80mm. 3, the T-slot plate (T-slot platform) on the relative two sides should handle set with installation, hoisting facilities, rings and other threaded holes or cylindrical hole. should be considered when designing lifting locations to minimize the changes caused by lifting .4, according to user requirements, the board work surface set screw holes or grooves, these parts should not be raised above the face of the phenomenon. 5, T-slot plate (T-slot platform) should be of high quality fine granule of gray cast iron or alloy cast iron. 6, T-slot plate (T-slot platform) should face the hardness of HB 170 - 220. 7, T-slot plate (T-slot platform) face shaving process should be used for "3" class flat face can also be used planing craft, planing work surface roughness Ra by Arithmetical mean deviation of value should be less than 5um8, T-slot plate (T-slot platform) should go through stability treatment and demagnetization. T-slot plate (T-slot platform) Flatness: can be divided into laboratory grade (Reference), check level (Master), tool room grade (Working) three T-slot plate (T-slot platform) Surface Grinding: platform at a very early time, people use the platform to match each other to produce three real flat plane. a skilled and have patient millstone instructors can not use any measuring instruments, but only using the three way match each other platforms, so many times 90 degrees of rotation, can produce is hard to believe the true level degree. 
 Botou Keno Casting Tools Co., Ltd. is a mechanical processing, manufacturing, real, cast as one of the professional modern company. Million tons of annual output of various castings, can produce all kinds of marble platform, granite platform, marble components , feet, bending plate, plug gauge, ring gauge, gauge, plug ring, test sticks, machine horn, inclined railways, deflection tester, angle ruler, precision castings, and other measuring tools to track, the main products: According to national standard production platform for all kinds of marble, granite platform, marble artifacts, feet, bending plate, plug gauge, ring gauge, gauge, plug ring, test sticks, machine horn, inclined railways, deflection tester, point scale, precision castings, and other tools to track gauge. 
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