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CNC Technology Unit-5 Notes

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CNC Technology - Unit - 4b Computer Aided Programming

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CNC Technology - Unit - 4a NC Part (Manual) programming

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CNC Technology Unit-3 Notes

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CNC Technology Unit-2 Notes as per JNTUH

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CNC Technology Unit-1 Notes as per JNTUH

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Introduction to Involute of a Circle

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Introduction to Cycloidal Curves - Cycloid, Epicycloid and Hypocycloid

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Introduction to different Conic Section - Circle, Ellipse, Parabola and Hyperbola

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Sections of Solids - Pentagonal pyramid i. Cut at centroid ii. Inclined 60° at highest point of base

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Sections of solids - Square pyramid on HP bisect axis a. parallel to HP b. inclined 45° & 60° to HP

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Sections of Solids - Pentagonal pyramid on HP, cut by section plane at 60° to HP & bisecting axis.

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Sections of Solids - Cylinder on HP, cut by section plane at 40mm from bottom axis & inclined at 45°

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Sections of Solids - Triangular prism rectangular faces on HP cut by section plane 20 mm above HP.

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Construct Hyperbola, distance of focus to directrix is 50 & eccentricity = 32 Draw normal & tangent

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Construct a Parabola, distance of focus from directrix is 50 mm. Draw normal and tangent to curve.

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Construct Ellipse, focus distance from directrix is 50 & eccentricity is 23. Draw Normal & Tangent.

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Projections of Solids - Pentagonal prism rectangular face rests on HP with axis parallel to the V.P.

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Projection of Solids - Tetrahedron on HP & equally inclined to HP, edge on HP & perpendicular to VP.

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Projection of Solids - Cube resting on one of its corners in the HP with a solid diagonal vertical.

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Projections of Solids - Pentagonal pyramid on HP, axis inclined at 45° to HP & apex lies in the H.P.

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Projections of Solids - Hexagonal prism has edge in VP, axis inclined at 30° to VP & parallel to HP

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Projection of Solids - Hexagonal pyramid of 30 & 60, has triangular face on HP & axis parallel to VP

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Projections of Solids - Cone has a generator in VP & axis parallel to HP and generator lies in HP.

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Projections of Solids - Cylinder of 50 & 70 mm has generator in VP and inclined at 45 degrees to HP.

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Projection of Solid - Hexagonal prism with face parallel to HP, axis is 35 above & 20 in front of VP

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Projections of Solids - Square pyramid on HP (a) parallel to VP (b) 30 to VP (c) equal angle to VP

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Projections of Planes - Semi-Circular of diameter 70 mm edge on the VP, 30ᵒ to HP & 45ᵒ to the VP.

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Projection of Planes - Pentagon of 30 mm rests on HP, 45 degrees to HP & 30 degrees angle with VP.

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Projections of Planes - 30ᵒ - 60ᵒ Set square of 100mm is in VP, 30 degrees to HP & 45 degrees to VP.

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