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24 Terms
what does welding do
provides a permanent joint
what is a limitation of welding (work types)
performed manually so labor cost is expensive
what is a safety limitation of welding
utilizes high energy and is inherently dangerous
what is a limitation of welding (convenience)
welded joints don’t allow for convenient disassembly
what is a limitation of welding (defects)
welded joints can have quality defects that are difficult to detect
What type of weld joint is this?
inside single fillet corner joint
What type of weld joint is this?
outside single fillet corner joint
What type of weld joint is this?
double fillet lap joint
What type of weld joint is this?
double fillet t joint
What type of loading is this?
Parallel loading
What type of loading is this?
Transverse
What type of loading is this?
Transverse
What is the function of a clutch
to permit smooth gradual connection and disconnection of two members having a common axis of rotation
What is the difference between a clutch and brake
a break has one of its members fixed
What are the basic clutch and break requirements (torque)
friction torque must be produced by an actuating force
What are the basic clutch and break requirements (energy)
Energy converted to friction heat must be dissipated without destructive temperatures
What are the basic clutch and break requirements (life)
the surface wear must have an acceptable working life
What is a wet clutch
a clutch that uses oil as an effective coolant
how is are wet clutches modified so they have enough friction
using multiple disks to compensate for the reduced coefficient of friction
what types of clutches are usually dry
automotive clutches
what type of clutches are wet
automatic transmissions and most multiple disk clutches
what is a pro of welding (hardware)
no mechanical hardware is required
what is a pro of welding (material use)
most economical method of joining parts in terms of material usage
what is a pro of welding (location)
can be carried out anywhere