048 Mechanical Engineering
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1 Random error handling. Application of mathematical statistics in their calculation 3
2 Mounting items (support) devices
3 Treatment for revolving shafts and mnogoreztsovyh machines
4 Classification of parts of class "hollow cylinders"
Task 5
To determine the expected surface roughness in turning medium carbon steel hardness 140 HB cutter blade with carbide T15K6 with geometric parameters: = 75 °, 1 = 25 °, r = 0,5 mm; and cutting conditions: t = 1,0 mm, s = 0,18 mm / rev, v = 80 m / min
Task 6
Determine the number of operations carried out on the site for a month in one shift, the number of recruiting workers, the coefficient of consolidation of operations and the COA in its value - the type of production. Calculations performed for the two parts indicated in the table
2 Mounting items (support) devices
3 Treatment for revolving shafts and mnogoreztsovyh machines
4 Classification of parts of class "hollow cylinders"
Task 5
To determine the expected surface roughness in turning medium carbon steel hardness 140 HB cutter blade with carbide T15K6 with geometric parameters: = 75 °, 1 = 25 °, r = 0,5 mm; and cutting conditions: t = 1,0 mm, s = 0,18 mm / rev, v = 80 m / min
Task 6
Determine the number of operations carried out on the site for a month in one shift, the number of recruiting workers, the coefficient of consolidation of operations and the COA in its value - the type of production. Calculations performed for the two parts indicated in the table