Cast iron platform/plate Not enough hardness second reason is due to the t-slot low carbon content in cast iron plate. Improve the t-slot of carbon content in cast iron plate will make the t-grooves hardness cast iron plate strengthened.

Cast iron platform/plate Packages will generally be iron plate packaging and wooden packaging in two forms. Shall adopt appropriate standards of protection measures for packaging. Such packaging shall be suitable for the cast iron plate for inland transport, and good moisture-proof, shock-proof, rust and rough handling, prevention measures to protect the cast iron plate, to ensure the safety of cast iron surface plate arrived at the scene.

Cast iron platform/plate Uses: machine base cast iron plate, machined face oil leakage or water u Groove or t-slot.

Landing platform/plate Material: high quality ht200-250 of high strength gray iron, tested platform face hardness of hb170-240. Landing platform/plate Two artificial annealing 600-700 c or natural aging 2-3, completely remove internal stress, accuracy and stability, good resistance to abrasion.

Material : High quality HT200-250 of high strength gray iron, face hardness of HB170-240 casting artificial annealing after two 600-700 c or natural aging 2-3, completely remove internal stress, accuracy and stability, good resistance to abrasion.

Specifications: 1000x2000-3000x6000 (mm), overall size up to 4 m x x8 m, larger than this size can be more than stitching, use wear, again scraping the restoration of its accuracy. Special specifications tank manufacturing platform based on user demand.

Accuracy: According to national metrological JJG117-91 execution, respectively for level 1, level 2, level 3, finish planing.

Cast iron platform technical requirements:

1, the platform must go through two back stress aging treatment, prevent stress memory appears distorted and platforms used in the occurrence of cracks in the future to eliminate casting stress and rough purpose of stress, strain relief up to 90%;

2, face processing acute angle obtuse;

3, casting force is not machined surface greasy, polishing, are required to paint coating on the inner surface;

4, flat face without seriously affecting the look and performance of sand, pores, cracks, inclusions, porosity, scratches, bumps, rust and other defects.

3, precision is 0 ~ 3-level on the flat face of diameter less than 15mm blockage of sand allows the use of the same materials, its hardness is less than with the hardness of surrounding materials. Sand blocking the face-hole should be no more than 4. And sand between the distance should not be less than 80mm.

4, plate shall be made of high quality fine grey cast iron or alloy materials such as cast iron, its working surface hardness should be 170~ 220HB.

5, flat working surface is usually applied using a scraping process. Skiving machining of 3 flat working surface, the surface roughness Ra of the maximum allowable value of 5 ч m.

7, flat face paint for the Institute tests should be carried out using the scraping process. Displayed after the grinding point of contact area ratio is shown in table 3 provisions or 25mmx25mm difference between points of contact shall not be more than 5 points. In case of disputes, contact area ratio as the assessment basis.

8, flat on either side, should have a threaded hole of the handle or ring equipment installed (or a cylindrical bore), and location of the device should be designed to minimize the deformation caused by the handling.

9, plate set screw hole on the face (or Groove), which parts should be no higher than the face.

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