Cast iron square box square box factory Botou Quam measuring tube series: T-slot square box, magnetic square box, square tube pad, square tube pad box, square box table, steel square box, granite square box, crossed square box, test square box, universal cast iron square box, cast iron square tube, cast iron square box. Detailed specifications please consult - cast iron platform, iron floor, cast iron base, shaped pieces of cast iron, welding platform, crossed platform, machine table, motor test bed, tapping machine table, CNC table, CNC machine tool castings, HT200 / 250 castings, QT400-QT600 casting tax 6000 yuan per ton, excluding tax 5000 yuan per ton. Intermediary paid. First, cast iron square box material: high quality gray cast iron HT200-250, according to JB / T3411.56-99 standards. Cast iron square box test after two artificial annealing treatment, complete removal of internal stress, stable casting structure, not easily deformed. Second, cast iron square box uses: as industrial production workshop to make three-dimensional crossed fitter tools; also can detect parallel and perpendicular to the mechanical parts; also can use the table. Top with holder for precision parts inspection or draw lines at any angle. For measuring and engraved mark holder. Third, cast iron square box Technical requirements: Faces can not have a serious impact on the appearance of the sand holes and performance of pores, cracks, slag, shrinkage, scratches, bumps, rust and other defects, otherwise it would be inaccurate measurements. Fourth, cast iron square box test method flatness: For side length of 300mm and below the square box, when the test ends in a square box is placed on each side of the subject of 1mm gauge block, the knife-edge ruler on the amount of block work surface and the amount of block test plug in place of its being indecent, the amount of the difference between both ends of the block size and the size of the equivalent block group just for being indecent when squeezed deviation between both ends. The test should also face the square box longitudinal, transverse and diagonal directions were several sections. When the agreement takes on its maximum in a straight line at various locations in the measured error direction, whichever is the greatest positive difference between the maximum negative difference in the absolute direction and when the error is inconsistent, the flatness of the flat surface for the subject. Fifth, cast iron square box specifications: according to user needs, can provide design drawings. Production cycle 20 days. Six, cast iron square box packaging: all wood packaging, before packing after moisture, anti-rust treatment. Inside with product quality certificates, indicating the date of manufacture. Seven standard cast iron square box specifications: Company name: Quam Tools Plant Botou you still hesitating? Schedule, quality, price, everything was ready. Dare to bear under a single consultation. We pay attention to each product, pay attention to every step, high standards and strict requirements, the highest quality we have been to pursue faith, responsibility in our hearts, fine in our hands. We only boutique! ! ! Corporate quality assurance: implement the ISO series of standards, establish a corporate image! We guarantee: do not accept bad products, not create bad products!