ITI Bangla

    Hacksaw Frame and Blade                                                                Hacksaw : a hacksaw frame is used along with blade to cut of different sections and  is specified by the type and  maximum length of the blade that  can be fixed . Example.   Adjustable hacksaw frame-tubular-250-300 or 8"-12" Types of hacksaw fram  SOLID FRAME : Solid frame only a  blade of the particular standard   length can be fitted to this frame.  eg. 300mm for 250mm.   Adjustable frame (flat type) :   Different standard length of blades can be fitted to this frame.  example:  250 mm and 300mm.   Adjustable frame (Tubular type) : this  is  the most common used type.  It gives a batter grip and control,  while swaing.   Part...

  Reamer Which Tool is used for enlarging by finishing previously drilled holes to accurate size - Reamer Which taper shank is used for machine reamer to hold on machine spindle - M.T  Hand Reamer is used to the ream holes manually using - Tap wrench. The angle between the edges and the reamer axis is called - hELIX ANGLE. WHICH REAMER IS USED FOR REAMING MORSE TAPER HOL E - SOCKET. A Taper pin reamer is made with a taper of - 1 in 50. Which Flute reamer is suitable for reaming holes with key way grooves - Helical flutes reamer.   The cutting portion of reamer is made of - H.S.S. The Shank portion of reamer is made of - Carbon steel 

                                                       HACKSAW                                      A hacksaw blade is made of - Low alloy steel or high alloy steel. What is the standard length of hacksaw - 250mm to 300mm What is the pitch of the blade - the distance between adjacent teeth is known as the pitch . How many types of pitch of Hacksaw -   Coarse 1.8                                          -  Medium 1.4-1.0   ...

According to Shape Files are seven types. Their are –   sl Name sl                Name I Flat File V Square file Ii Hand file Vi Triangular file Iii Half Round file vii Knife edge file iv Round file                                                    Flat file   These files are of rectangular cross section. The edges along the width of these files are parallel up two-thirds of the length, and then they taper towards the point. The faces are double cut and the edges single cut . These files are used for general purposes work .               ...

  FILE   https://youtu.be/9SqKnA4Cqzo     File is used for removing excess material this method is known as filing . Parts of file -             Files are made of – High carbon steel or high grade cast steel. Ø       Files are Specified according to there – Length , grade, cut and shape. Ø      What is the length of a file – The length of a file is the distance from tip to the heel . Ø      What is the grade of a file – The grade of a file is spacing of the teeth.                                      *Files are many types according there Grade, Cut and Shape.   According to Grade -  five types of file    SL.     Name                  ...