Podcast
Questions and Answers
What is the purpose of a Swiss or Needle file?
What is the purpose of a Swiss or Needle file?
- To make large cuts in wood
- To remove unwanted material from a workpiece (correct)
- To strike nails
- To drill holes in metal
Which filing method is used primarily in the fitting workshop?
Which filing method is used primarily in the fitting workshop?
- Draw Filing
- Cross Filing (correct)
- Hammer Filing
- Push Filing
Which part of a cross-peen hammer is specifically used to pull nails?
Which part of a cross-peen hammer is specifically used to pull nails?
- Peen
- Face (correct)
- Handle
- Head
What is the main function of a drilling machine?
What is the main function of a drilling machine?
What is the primary material used for making a mallet?
What is the primary material used for making a mallet?
What is the primary function of a bench vice in the fitting workshop?
What is the primary function of a bench vice in the fitting workshop?
Which tool is specifically ground to a conical point for marking drill hole locations?
Which tool is specifically ground to a conical point for marking drill hole locations?
Which measuring tool would not typically be found in a fitting workshop?
Which measuring tool would not typically be found in a fitting workshop?
What is the purpose of using a dot punch in the fitting workshop?
What is the purpose of using a dot punch in the fitting workshop?
What type of cutting tool is primarily used for cutting rods, bars, and pipes?
What type of cutting tool is primarily used for cutting rods, bars, and pipes?
Which of the following is NOT classified as a cutting and finishing tool?
Which of the following is NOT classified as a cutting and finishing tool?
What distinguishes the inside caliper from the outside caliper?
What distinguishes the inside caliper from the outside caliper?
Which cutting tool is primarily used to achieve a fine surface finish after cutting?
Which cutting tool is primarily used to achieve a fine surface finish after cutting?
What is the primary function of a radial drilling machine?
What is the primary function of a radial drilling machine?
Which material is NOT commonly used for drilling tools?
Which material is NOT commonly used for drilling tools?
What operation is described as accurately sizing and finishing a previously drilled hole?
What operation is described as accurately sizing and finishing a previously drilled hole?
Which of the following components is NOT a part of the radial drilling machine?
Which of the following components is NOT a part of the radial drilling machine?
Which motion is NOT facilitated by the radial arm in a radial drilling machine?
Which motion is NOT facilitated by the radial arm in a radial drilling machine?
What are the combinations of movements in a radial drilling machine primarily designed to offer?
What are the combinations of movements in a radial drilling machine primarily designed to offer?
Which of the following operations is not typically associated with drilling machinery?
Which of the following operations is not typically associated with drilling machinery?
What is the purpose of the elevating screw in a radial drilling machine?
What is the purpose of the elevating screw in a radial drilling machine?
What is the primary function of a reamer?
What is the primary function of a reamer?
Which tool is used specifically for the process of counterboring?
Which tool is used specifically for the process of counterboring?
What is the purpose of countersinking a hole?
What is the purpose of countersinking a hole?
In which operation does the spot face cutter perform its function?
In which operation does the spot face cutter perform its function?
What distinguishes boring tools from drilling tools?
What distinguishes boring tools from drilling tools?
How does a spot face cutter differ from a counterbore?
How does a spot face cutter differ from a counterbore?
What is the main difference between a tap wrench and a standard wrench?
What is the main difference between a tap wrench and a standard wrench?
What feature of a boring tool enables it to be used when a suitable drill size is not available?
What feature of a boring tool enables it to be used when a suitable drill size is not available?
Which tool is primarily used to hold a workpiece in place during machining?
Which tool is primarily used to hold a workpiece in place during machining?
What type of measuring tool is a try square?
What type of measuring tool is a try square?
Which marking tool is used to create a line on metal workpieces?
Which marking tool is used to create a line on metal workpieces?
What is the primary purpose of a caliper in a fitting workshop?
What is the primary purpose of a caliper in a fitting workshop?
Which of the following is a cutting tool used for removing material from workpieces?
Which of the following is a cutting tool used for removing material from workpieces?
Which tool is classified as a measuring device designed to provide precise measurements of smaller components?
Which tool is classified as a measuring device designed to provide precise measurements of smaller components?
What is the purpose of a file in the fitting workshop?
What is the purpose of a file in the fitting workshop?
What type of tool is a dot punch primarily used for?
What type of tool is a dot punch primarily used for?
What is the characteristic of Draw Filing compared to Cross Filing?
What is the characteristic of Draw Filing compared to Cross Filing?
Which of the following best describes the purpose of a Cross-peen hammer?
Which of the following best describes the purpose of a Cross-peen hammer?
What feature of a Drilling Machine ensures efficient removal of metal chips during operation?
What feature of a Drilling Machine ensures efficient removal of metal chips during operation?
What differentiates a Swiss or Needle file from other types of files?
What differentiates a Swiss or Needle file from other types of files?
Which type of tool is primarily used to create holes in a workpiece by removing material layer by layer?
Which type of tool is primarily used to create holes in a workpiece by removing material layer by layer?
Which operation is specifically used to provide a recess for a flat head screw?
Which operation is specifically used to provide a recess for a flat head screw?
What tool is typically used in the counterboring operation?
What tool is typically used in the counterboring operation?
In which operation is a flat circular surface machined around a hole?
In which operation is a flat circular surface machined around a hole?
What is a significant characteristic of a boring tool compared to a reamer?
What is a significant characteristic of a boring tool compared to a reamer?
What type of cutter has teeth only on the end and is used for spotfacing?
What type of cutter has teeth only on the end and is used for spotfacing?
What defines the purpose of the countersink operation?
What defines the purpose of the countersink operation?
Which tool provides a seat for a bolt head, nut, or washer?
Which tool provides a seat for a bolt head, nut, or washer?
Which material is NOT commonly used for drill bits?
Which material is NOT commonly used for drill bits?
What operation focuses on enlarging a hole in a workpiece?
What operation focuses on enlarging a hole in a workpiece?
Which component of the radial drilling machine allows for vertical adjustment?
Which component of the radial drilling machine allows for vertical adjustment?
Which of the following operations involves creating a conical recess around a hole?
Which of the following operations involves creating a conical recess around a hole?
The long radial arm of the radial drilling machine primarily allows for what function?
The long radial arm of the radial drilling machine primarily allows for what function?
Which of the following is NOT a typical operation performed on a drilling machine?
Which of the following is NOT a typical operation performed on a drilling machine?
What defines the process of reaming as compared to drilling?
What defines the process of reaming as compared to drilling?
Which part of the radial drilling machine supports all other components?
Which part of the radial drilling machine supports all other components?
Flashcards
Fitting Process
Fitting Process
Assembling parts manufactured in a machine shop.
Holding Tools (Example)
Holding Tools (Example)
Tools used to hold workpieces securely during fitting.
Scriber
Scriber
A tool for marking lines on metal workpieces.
Marking Tools
Marking Tools
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Measuring Tools (Example)
Measuring Tools (Example)
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Hacksaw
Hacksaw
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File (Fitting)
File (Fitting)
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Center Punch
Center Punch
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Cross Filing
Cross Filing
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Draw Filing
Draw Filing
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Drilling
Drilling
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Drilling Machine
Drilling Machine
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Claw Hammer
Claw Hammer
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Radial Drilling Machine
Radial Drilling Machine
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Drill Head
Drill Head
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Radial Arm
Radial Arm
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Drilling Operation
Drilling Operation
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Reaming
Reaming
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Reaming Tool
Reaming Tool
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Counterboring
Counterboring
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Countersinking
Countersinking
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Boring Tool
Boring Tool
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Counterbore Tool
Counterbore Tool
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Countersink Tool
Countersink Tool
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Spotfacing
Spotfacing
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Spotfacing Tool
Spotfacing Tool
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What is Fitting?
What is Fitting?
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What are Holding Tools?
What are Holding Tools?
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What is a Scriber used for?
What is a Scriber used for?
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What is a Center Punch?
What is a Center Punch?
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Why are Measuring Tools important in fitting?
Why are Measuring Tools important in fitting?
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What is a Hacksaw used for?
What is a Hacksaw used for?
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What is a File?
What is a File?
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What is the purpose of 'Finishing Tools'?
What is the purpose of 'Finishing Tools'?
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What are the types of Striking Tools used in an Engineering Workshop?
What are the types of Striking Tools used in an Engineering Workshop?
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Cross-peen Hammer
Cross-peen Hammer
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What is Counterboring?
What is Counterboring?
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Boring
Boring
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Study Notes
Fitting & Drilling Machine
- Dr Mutlag Shafi Fuhaid
- Fitting is assembling machine shop parts
- Various tools used in fitting workshops:
- Holding Tools
- Marking Tools
- Measuring Tools
- Cutting & Finishing Tools
- Striking Tools
Holding Tools
- Bench Vice: Holds specimens or workpieces between jaws
- Sliding jaw
- Stationary jaw
- Slide
- Base
- Handle
- Screw
- Fixed body
- C-Clamp: Holds work against a surface (angle plate, V-block)
- Frame
- Handle
- Fixed jaw
- Movable jaw
- Screw
- Collar
Marking Tools
- Scriber: Tool for marking lines on metal workpieces (used with try square)
- Dot Punch: Used to mark cutting paths after scribing; hit with hammer
- Center Punch: Creates conical point for drilling holes (118-degree included angle)
Measuring Tools
- Steel rule & Measuring Tape
- Divider
- Try square
- Caliper (Inside, Odd leg, Outside)
- Micrometer
- Vernier Caliper
Cutting & Finishing Tools
- Hacksaw: Cuts rods, bars, pipes, flats, etc.
- Files (Finishing Tool): Remove material from metal/workpieces to create a good finish; various sizes, shapes, and degrees of coarseness
- Flat file
- Square file
- Triangular file
- Round file
- Half-round file
- Swiss or Needle file
Filing Methods
- Cross Filing: Perpendicular to component axis; mostly in fitting workshops
- Draw Filing: Parallel to component axis
Striking Tools
- Cross-peen hammer
- Claw hammer: For striking and pulling nails
- Mallet: For striking chisels on wooden components (hardwood or rubber); round or rectangular
Drilling Machine
- Drilling: Makes, enlarges holes in workpieces using a rotating drill
- Sharp drill edges remove material in circular layers
- Removed metal chips escape via helical drill grooves.
- Drilling Machine: Power-operated machine tool
- Drill bit:
- Chisel point
- Cutting edge
- Flute
Radial Drilling Machine
- Used for large work pieces
- Radial arm moves along the column and also swings around
- Drill head moves up and down along arm
- Offers great flexibility in positioning the drill bit over the work
- Various parts: Motor for moving arm, Drill spindle motor, Elevating screw, Radial arm, Drill head, Drill bit, Work Table, Column, Base
Drilling Tool Materials
- High carbon steel
- High-speed steel (HSS)
- Carbide
- Ceramic
- Diamond
Drilling Machine Operations
- Drilling
- Reaming (sizing/finishing a previously drilled hole)
- Boring (enlarging a hole utilizing an adjustable cutting tool with only one cutting edge; used when a suitable drill size is not available)
- Counterboring (enlarges the end of a hole cylindrically, forming a square shoulder with the original hole)
- Countersinking (creates a cone-shaped enlargement on the end of a hole to accept a flat-head screw)
- Spot facing (machining a flat circular surface around a hole, creating a seat for bolt heads, nuts, or washers; spot face cutter similar to a counterbore, but with teeth only on the end)
- Tapping (creates threads in a metal using special tools)
Drilling Operation
- Drilling is enlarging/creating holes in a workpiece using a rotating drill tool.
Reaming
- Reaming is sizing and finishing a hole that has previously been drilled.
- Reaming tools have multiple cutting edges.
Boring
- Boring is enlarging a hole using an adjustable cutting tool with a single cutting edge.
- Used when a suitable drill size is not available
Counterboring
- Counterboring enlarges the end of a hole cylindrically, forming a square shoulder with the original hole. This is done with a counterbore.
Countersinking
- Countersinking creates a cone-shaped enlargement on the end of a hole to accept a flat-head screw. This is done with a countersink.
Spotfacing
- Spotfacing is machining a flat circular surface around a hole, creating a seat for bolt heads, nuts, or washers
- Spot face cutter is similar to a counterbore, but has teeth only on the end.
Tapping
- Tapping creates threads in a metal using special tools.
Tap & Tap Wrench
- Tools for creating threads
Exercise 2: Step Fitting & Drilling Job
- Interpret a part drawing and fabricate it from the provided aluminum plate
- Appropriate fitting tools and drilling are needed.
- Sample part dimensions provided (in mm)
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