The maximum or minimum allowable sizes within which the size of component lies are known as limits. The limits are classified into two types: Upper limit The maximum permissible size or largest acceptable size of the component is called the upper limit of size. Lower limit The minimum permissible size or smallest acceptable size of […]
Tolerance Tolerance is described as the difference between the upper and lower limit. It is also defined as the difference between the maximum and minimum limits of size for the component. The tolerance is classified into two types: Example: Hole has to be drilled to the diameter of 10±0.02 mm10±0.02 mm Solution: The basic size of the hole is 10
PARTS NAME The Frame or Body or Base: As we know, every MACHINE TOOL does consist of a frame or body to create a structure and dependency for the whole system. Similarly, the power hacksaw does consist of the base where the Power Hacksaw Blade Arm, Blade, Machine Vise, etc. are rest and fixed. DC Motor: As the hacksaw machine
Precision Measuring for Machinists. The sine bar is an essential tool for machinists to ensure precision measurements. Discover its parts, materials, uses, safety measures, and tips for accurate readings with this comprehensive guide Sine Bar: Precision Measuring for Machinists The sine bar is an essential tool for machinists to ensure precision measurements. Discover its parts,
1. Wood Screws: Wood screws are designed for use in wood materials. They have a coarse thread and a sharp point, making them suitable for gripping wood fibers and holding things together securely. These screws often come with various head types, such as flat head, round head, and pan head. 2. Machine Screws: Machine screws
A grinding machine is a machine tool with an abrasive wheel that is used to achieve fine finishes or light cuts on metals and other materials. It is a machining operation that is used to improve the accuracy of a product that has previously been machined. Grinding is used to finish workpieces that need a
Taps and dies are tools used to create thread, which is called threading . Many are cutting tools; others are forming tools. A tap is used to cut or form the female portion of the mating pair (e.g. a nut). A die is used to cut or form the male portion of the mating pair (e.g. a bolt). The process of cutting or forming threads
TAP AND DIES HAND CUTTING TOOL Read More »
Introduction ´It is a tool having a cutting point and making a hole in the solid materials. ´It is made up of high carbon steel or alloy steel. ´For drilling, the drill bit is rotated with a downward press, which causes the tool to penetrate into the material. ´It is also called a drill. ´For holding
Taper Turning: The amount of taper in the workpiece is usually specified on the basis of the difference in diameter of the taper to its length. It is known as a cone and it is indicated by the letter K. It has the formula K = D-d / 1 to produce the taper on the workpiece.
SOME IMPORTANT TYPES OF LATHE OPERATION Read More »
The lathe machine operations are classified into three main categories and are as follows Following are the Lathe machine operations done either by holding the workpiece between centres or by a chuck:Turning Operation between centres or by a chuck:Turning Operation FACING It is an operation of reducing the length of the workpiece by feeding the
Some Important types of Lathe Operations Read More »
