Podcast
Questions and Answers
Vices are the most suitable and widely used tools for ______ different jobs in position during various operations carried out in a fitting shop.
Vices are the most suitable and widely used tools for ______ different jobs in position during various operations carried out in a fitting shop.
gripping
Bench Vice is the most commonly used vice sometimes also known as ______ jaw vice.
Bench Vice is the most commonly used vice sometimes also known as ______ jaw vice.
parallel
The ______ of the hand in filing should also be applied only during the forward stroke and relieved during the return stroke.
The ______ of the hand in filing should also be applied only during the forward stroke and relieved during the return stroke.
pressure
Pipe vises are used in ______ to hold pipes or tubing secure while they're cut or threaded.
Pipe vises are used in ______ to hold pipes or tubing secure while they're cut or threaded.
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Pipe vises can hold pipes as small as 3 mm in diameter, or as large as ______ mm.
Pipe vises can hold pipes as small as 3 mm in diameter, or as large as ______ mm.
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As far as possible, try to use ______ length of the file during the operation.
As far as possible, try to use ______ length of the file during the operation.
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Forging is a cost effective way to produce ______ or near-net-shape components.
Forging is a cost effective way to produce ______ or near-net-shape components.
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The ______ is used for heating purpose during the smithy operation.
The ______ is used for heating purpose during the smithy operation.
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The ______ block is used for squaring, sizing, heading, bending, punching and forming operations.
The ______ block is used for squaring, sizing, heading, bending, punching and forming operations.
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The ______ is an important smith's tool used for supporting the work while hot metal hammering.
The ______ is an important smith's tool used for supporting the work while hot metal hammering.
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______ are used for holding square shanks of swages, fullers etc. while working on the anvil.
______ are used for holding square shanks of swages, fullers etc. while working on the anvil.
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Virtually all ______ can be forged.
Virtually all ______ can be forged.
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The ______ refers to the tool's primary use of measuring the accuracy of a right angle (90 degrees).
The ______ refers to the tool's primary use of measuring the accuracy of a right angle (90 degrees).
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The Universal surface guage is a most ______ instrument used in markings.
The Universal surface guage is a most ______ instrument used in markings.
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Forging refers to the production of those jobs which must be heated in a ______ furnace.
Forging refers to the production of those jobs which must be heated in a ______ furnace.
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Smithy is defined to handle relatively ______ jobs only.
Smithy is defined to handle relatively ______ jobs only.
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The work is normally performed by means of heavy ______, forging machines, presses etc.
The work is normally performed by means of heavy ______, forging machines, presses etc.
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The normal plastic range for steels and high-strength alloys is from about 1038°C to about ______°C.
The normal plastic range for steels and high-strength alloys is from about 1038°C to about ______°C.
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Study Notes
Forging and Smithy
- Forging is a cost-effective way to produce net-shape or near-net-shape components and can be used for virtually all metals.
Tools and Equipment Used in Smithy and Forging
- Smith's forge or hearth:
- Used for heating purposes during smithy operation
- Made of cast iron or cast steel with a four-legged support, hearth, chimney, and hood
- Has an opening for air supply and a water tank for quenching
- Anvil:
- Important tool for supporting work during hot metal hammering
- Has a hardie hole (square shape) for holding swages, fullers, etc.
- Has a pritchel hole (circular shape) for bending rods and hot punching
- Swage block:
- Made of cast steel with different shaped slots and through holes
- Used for squaring, sizing, heading, bending, punching, and forming operations
- Hammers, tongs, hardie, fullers, and swage punch and drift are other tools used in smithy and forging.
Fitting Work Tools
- Classified into four categories:
- Job holding devices (e.g., vices)
- Striking tools
- Cutting tools
- Measuring, marking, and testing tools
Job Holding Devices
- Vices:
- Most suitable and widely used tools for gripping different jobs
- Types: parallel jaw vice/bench vice, leg vice, pipe vice, and hand vice
- Bench vice is the most commonly used in general fitting work
- Pipe vise:
- Used in plumbing to hold pipes or tubing secure while cutting or threading
- Can hold pipes from 3 mm to 200 mm in diameter
Measuring, Marking, and Testing Tools
- Universal surface gauge:
- Used for layout work and inspection
- Consists of a rigid base, a spindle carrying a scriber in a universal clamp, and a surface plate
- Used for marking and checking the accuracy of a right angle (90 degrees)
Forging and Smithy Shop (Primary Shaping Processes)
- Smithy:
- Defined as handling relatively small jobs only
- Work is carried out using hand hammers or small power hammers
- Forging:
- Production of jobs that require heating in a closed furnace
- Work is normally performed using heavy hammers, forging machines, and presses
- Implies the use of powerful pressure on metal heated to its plastic range
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Description
Learn about the tools and equipment used in smithy and forging, including the smith's forge, anvil, swage block, hammers, tongs, hardie, fullers, swage, punch, drift, and hearth. Understand the purpose of each tool in the forging process.
