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Generally speaking, there are three main factors that affect the hardness of the cast iron platform: the cooling rate of the raw material cast iron, the chemical composition of the material, and the processing method. Appear
Resin sand is generally used on small cast-iron platforms.On the one hand, it is for the convenience of sand removal. There are also the following reasons: First, relatively speaking, lost foam casting is used for the production of single pieces or small batches of automobile cover parts, machine tool beds and other large molds. Compared with traditional sand mold
(1) Standard measuring tools such as measuring blocks, polygonal prisms, etc. (2) Simple measuring tools such as steel rulers, steel tape measures, feeler gauges, etc. (3) Limit gauges such as card gauges, plug gauges, ring gauges, etc. (4) The size template is like the radius template. (5) Angle measuring tools such as angle blocks, positive
Gray cast iron is a type of cast iron containing flake graphite, which is the most widely used cast iron. Its output accounts for more than 80% of the total cast iron output. The gray cast iron material has low comprehensive mechanical properties and high compressive strength, which is 3 to 4 times its own tensile strength. Vibration damping capacity is greater than steel 1
Under high pressure, make parts that are subject to friction and impact, such as gears, etc.
ZG200, --400 has good plasticity, toughness and welding performance, and is used for various mechanical parts that are not stressed and require high toughness, such as chassis, transmission housing, etc.
Cast iron has superior castability, and is suitable for manufacturing complex shapes or thin-walled castings. Commonly used cast iron is gray cast iron ,, malleable cast iron ,, ductile iron, etc. Carbon in grey cast iron mainly exists in the form of flake graphite ,,,
1.What are the basic operations of a fitter? A: The basic operations that a master fitter should master are: scribing, cutting, filing, sawing, drilling, reaming, countersinking, reaming, tapping, Threading, correction, bending, riveting, scraping, assembly
Casting is suitable for rough parts, such as bed, bracket, gearbox, cylinder block and pump body. The cast iron platform we produce is also produced by casting, which meets the basic specifications of the casting industry.
The measurement of the length of an object is based on the coordinates of points.It is divided into one-dimensional, two-dimensional, and three-dimensional measurements in space.The three coordinates are the specific values of the three coordinate positions on the x, y, and z axes. Computer data processing
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