Standard cast iron platform

The standard cast iron platform has the following conditions:

1.Thickness requirements:mainly include the thickness of the working surface on the platform,the thickness and height of the side wall,as well as the thickness,height and density of the bottom reinforcement plate.

2.Material requirements:cast iron HT200-300,hardness:HB170-240.

3.Artificial annealing:After high-temperature annealing and aging treatment at 600-700 degrees in a tempering kiln.

4.Natural aging:According to the national standard,it should be 2-3 years of natural aging.Due to the long process time,enterprises are no longer able to wait for such a long time due to the impact of capital turnover.Instead,vibration aging is often used as a substitute for vibration aging.Although the effectiveness of this process is not yet clear,it has been widely used.

5.Trachoma and pores:Pores and pores are not allowed on level 0 and level 1 platforms,and solid materials of the same material as the platform can be used to fill the pores and pores on level 2 and 3 platforms.Attention:The hardness of the filling material should be lower than the hardness of the platform itself.

6.Scraping process:Manual scraping is an important process in the processing of cast iron platforms,which determines the flatness error of the cast iron platform and the number of touchable points on the working surface.The 0-level board platform shall have no less than 25 points within a range of 25mm square on each side;The first level platform shall have no less than 20 points within a range of 25mm square on each side;The second level tablet platform shall have no less than 16 points within a range of 25mm square on each side;A level 3 tablet platform shall have no less than 12 points within a range of 25mm square on each side.After the scraping is completed,the four edges of the platform are rounded off.

7.Sand cleaning and painting:The bottom surface of the platform should be cleaned and sprayed with red anti rust paint.The side should be leveled before painting,usually painted with blue or green paint.

8.Packaging requirements:Mainly wooden packaging,try to use thick wood to cover the working surface on the platform,and use fully enclosed packaging.Rust prevention measures should be taken on the working surface of the platform before packaging.

9.Transportation requirements:After loading on the platform,check for any overhang.If there is any overhang,pad it firmly to avoid vibration.Do not stack the platform too high to avoid compression deformation.

10.Accessory selection:mainly for bracket selection,the bracket is made of square steel and angle iron with a wall thickness of 1.5-2mm.The welding density and structure should be reasonable,and the adjusting bolts should rotate smoothly.

11.Installation and debugging:Generally,first use a frame level to level it,and then use an optical or electronic composite level to measure the flatness error again.If there are any problems,the platform manufacturer can be requested to come to the site for scraping.

12.Correct use:The cast iron platform can be used after debugging is completed,and the room temperature should be controlled at 20±5℃.When testing the workpiece on the table,it should be gently placed and moved,and not concentrated in one area.Try to use the entire cast iron platform area evenly.

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Model specifications for standard cast iron platforms