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Lab Manual for Aircraft Production Technology - APT by Abhimanyu Dash

  • Aircraft Production Technology - APT
  • Practical
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INDEX Introduction To Aircraft Production Technology Lab 1 Plain turning, taper turning, facing, knurling on Lathe machine. 2 Thread cutting on Lathe machine. 3 Drilling and tapping 4 Shaping of square blocks and V ways 5 Slotting 6 Plain milling 7 Surface grinding 8 CNC program for step turning 9 CNC program for taper turning 10 CNC program for multiple turning 11 Arc welding 12 Spot welding 13 Study of properties of Sandwich structures 14 Study of Air craft wood gluing practices.

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INTRODUCTION OF GENERAL PURPOSE OF MACHINES Various machining purpose used these all type of mechanical machining machines are Lathe machine, Shaper machine, Slotting machine, Planning machine, Drilling machine, Boring machine, Milling machine, Grinding machine, Lapping machine Honing machine and Broaching machine These machines are to producing various operations like namely Facing, Chamfering, Step turning, Taper turning, Plain turning, Knurling, Grooving, Thread cutting, Drilling, Tapping, Precision grinding, Cylindrical grinding, Surface grinding, grinding of tool angles e.t.c. LATHE MACHINE:

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A lathe is a machine tool which rotates the work piece on its axis to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the work piece to create an object which has symmetry about an axis of rotation. Lathes are used in woodturning, metalworking, metal spinning, and glass working. Lathes can be used to shape pottery, the best-known design being the potter's wheel. Most suitably equipped metalworking lathes can also be used to produce most solids of revolution, plane surfaces and screw threads or helices. Ornamental lathes can produce three-dimensional solids of incredible complexity. The material can be held in place by either one or two centers, at least one of which can be moved horizontally to accommodate varying material lengths. Other work holding methods include clamping the work about the axis of rotation using a chuck to a faceplate, using clamps or dogs. LATHE MACHINE PARTS Bed: Supports all other machine parts. Carriage: Slides along the machine ways. Head stock: Power train of system (spindle included). Tail Stock: Fixes piece at end opposite to the head stock. Swing: Maximum diameter of the machinable piece. Lead screw: Controls the feed per revolution with a great deal of precision.

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