Conventional Milling Machine
DESCRIPTION
A Conventional Milling machine is a machine tool in which the work is held on vice or clamps and rotating tool is used for metal cutting. Material removal shall be done by rotating tool against fixed Job. Operations that can be performed in this machine are Milling, Profiling, Drilling, Boring Thread cutting, Grooving, Reaming and Tapping . In most Conventional Milling machines are also called machining centers are computer controlled vertical mills with the ability to move the spindle vertically along the Z-axis. This extra degree of freedom permits their use in all types of milling, die sinking, engraving applications, such as relief sculptures. When combined with the use of conical tools or a ball nose cutter, it also significantly improves milling precision without impacting speed, providing a cost-efficient alternative to most flat-surface surface work. As material passes through the cutting area of a milling machine, the blades of the cutter take swarfs of material at regular intervals. Surfaces cut by the side of the cutter (as in peripheral milling) therefore always contain regular ridges. The distance between ridges and the height of the ridges depend on the feed rate, number of cutting surfaces, the cutter diameter. With a narrow cutter and rapid feed rate, these revolution ridges can be significant variations in the surface finish. Types of cutting tools used are High speed steel and Carbide tools.
LOCATION
Machine Shop, Building 1A, Undercroft. Opposite to Material Testing Lab.
CONTACT INFO
Abdul Shukoor. Email:
Sheet Cutting Machine
DESCRIPTION
Sheet cutting also known as Shearing or die cutting, is a process which cuts stock without the formation of chips In strict technical terms, the process of "shearing" involves the use of straight cutting of sheet metal or plates. However rods can also be sheared. Shearing-type operations include: blanking, piercing, roll slitting, and trimming. A punch (or moving blade) is used to push a work piece against the die (or fixed blade), which is fixed. Usually the clearance between the two is 5 to 40% of the thickness of the material, but dependent on the material. Clearance is defined as the separation between the blades, measured at the point where the cutting action takes place and perpendicular to the direction of blade movement. It affects the finish of the cut (burr) and the machine's power consumption. This causes the material to experience highly localized shear stresses between the punch and die. The material will then fail when the punch has moved 15 to 60% the thickness of the material, because the shear stresses are greater than the shear strength of the material and the remainder of the material is torn. Two distinct sections can be seen on a sheared workpiece, the first part being plastic deformation and the second being fractured. Because of normal in homogeneities in materials and inconsistencies in clearance between the punch and die, the shearing action does not occur in a uniform manner. The fracture will begin at the weakest point and progress to the next weakest point until the entire work piece has been sheared; this is what causes the rough edge. The rough edge can be reduced if the work piece is clamped from the top with a die cushion. Above a certain pressure the fracture zone can be completely eliminated.[2] However, the sheared edge of the work piece will usually experience work hardening and cracking. If the work piece has too much clearance, then it may experience roll-over or heavy burring.
LOCATION
Machine Shop, Building 1A, Undercroft. Opposite to Material Testing Lab.
CONTACT INFO
Abdul Shukoor. Email:
Sheet Bending Machine
DESCRIPTION
Bending machine is used to transform sheet metal in to different uniform shapes. Sheets of thickness ranging from 0.5mm to 5mm shall be formed in to different angles and shapes. Universal Bending Machines consists of a basic machine that can be adjusted with little effort and used for a variety of bends. A simple plug-in system supports quick and easy exchange of tools. The basic machine consists of a CNC-operated side stop, a work bench, and software for programming and operating. Its modular construction offers an affordable entry into the bending technology, because after an initial invention the machine can be customized and extended later on without any conversion. That mean the basic machine delivers a bending stroke, the tool determines the kind of bending.
LOCATION
Machine Shop, Building 1A, Undercroft. Opposite to Material Testing Lab.
CONTACT INFO
Abdul Shukoor. Email:
Sheet Rolling Machine
DESCRIPTION
Rolling machine is used to roll sheets and it is the most rapid method of forming metal into desired shapes by deformation in between the rolls. Sheets of thickness ranging from 0.5mm to 3mm shall be made in to cylindrical shape. Rolling is the most rapid method of forming metal into desired shapes by deformation in between the rolls. Minimum diameter of the sheet that can be rolled is 150mm and maximum diameter is 2 meter and above.
LOCATION
Machine Shop, Building 1A, Undercroft. Opposite to Material Testing Lab.
CONTACT INFO
Abdul Shukoor. Email:
Radial Arm Saw
DESCRIPTION
Radial arm saw is one of the most accurate, versatile and easy to use woodworking machine. This machine is ideal for cross cutting, bevel cutting of most hard and soft woods. A radial arm saw is a cutting machine consisting of a circular saw mounted on a sliding horizontal arm. The radial arm saw was the primary tool used for cutting long pieces of stock to length until the introduction of the power miter saw. In addition to making length cuts, a radial arm saw may be configured with a dado blade to create cuts for dado, rabbet or half lap joints. In addition some radial arm saws allow the blade to be turned parallel to the back fence, allowing a rip cut to be performed. The cutters used are high carbon steel and High speed steel.
LOCATION
Machine Shop, Building 1A, Undercroft. Opposite to Material Testing Lab.
CONTACT INFO
Abdul Shukoor. Email: