7.3.4 Pliers and Clamping Tools Flashcards
What are pliers used for?
Pliers are used extensively in various fields including Dentistry, heavy industry, and DIY projects.
What materials should high-quality pliers be made of?
High-quality pliers should be made of high-quality alloy steel with induction hardened cutting edges.
What type of handles are preferred for pliers?
Handles should preferably be sheathed in a comfortable soft plastic or rubber for increased comfort and insulation.
What is the basic structure of pliers?
Pliers consist of a pair of handles joined by a fulcrum or pivot.
How are pliers classified?
Pliers are classified by their function and the type of nose they have.
What are the four types of plier joints?
The four types of plier joints are: Single Fixed Joint, Toggle Compound Joint, Lap Joint, and Slip Joint.
What is a Single Fixed Joint in pliers?
A Single Fixed Joint is made where the halves of the pliers are half cut out and placed inside each other.
What is a Toggle Compound Joint?
A Toggle Compound Joint combines a Single Fixed Joint with a toggle joint to apply more leverage.
What is a Lap Joint in pliers?
A Lap Joint is where both halves of the pliers are jointed on top of each other, allowing for greater leverage.
What is a Slip Joint in pliers?
A Slip Joint allows the pivot point to be moved to accommodate different jobs.
What are Diagonal Cutters or Snips used for?
Diagonal Cutters or Snips are intended for cutting wire and are not used for grabbing or turning.
How do Diagonal Cutters cut wire?
They cut by indenting and wedging the wire apart rather than using a shearing action.
What are Combination (Lineman’s) Pliers used for?
Combination pliers can hold, cut, twist, or bend materials.
What are Long Nose Pliers used for?
Long Nose Pliers are used for detailed work with wire, allowing greater control.
What are Multi-grip (Swan Neck) Pliers?
Multi-grip pliers have several curved grooves and allow for a large force to be applied to the jaws.
What are Vice-grip Pliers?
Vice-grip pliers have adjustable jaws and use leverage to apply force, clamping tightly when handles are released.
What are Circlip Pliers used for?
Circlip pliers are used for fitting and removing circlips during assembly or disassembly.
What are Wire Locking Pliers?
Wire Locking Pliers are used for wire locking of safety wire in aircraft maintenance.
What should be done to protect work pieces when using pliers?
Protect work pieces with rubber and/or masking tape to prevent damage.
What are the types of vices used in aircraft maintenance?
The types of vices include Metalworking vices, Hand held vices, and Machine vices.
What is a Metalworking Vice?
A Metalworking Vice is used to hold work pieces in place and can be fixed or rotating.
What is a Hand Held Vice?
A Hand Held Vice is designed to be used in the hand and can hold various sizes of work pieces.
What is a Machine Vice?
A Machine Vice is smaller, easily movable, and can be locked down to a surface.
What is a ‘C’ or ‘G’ Clamp?
‘C’ or ‘G’ Clamps are shaped like a ‘C’ or ‘G’ and are used for clamping materials securely.
