6.7 Springs Flashcards

1
Q

Torsion spring resist? When are they most effective?

A

1) Torque forces

2) Supported over a rod or tube

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2
Q

High carbon spring?

A

least expensive and not ideal for high or low temp

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3
Q

Spring returns to its______ shape

A

unloaded

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4
Q

Springs are divided into 3 categories

A

High duty
general duty
static duty

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5
Q

Compression springs are manufactured in what shapes and what are they made out of?

A

1) Cylindrical and convex

2) Round wire

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6
Q

Compression springs with ____ ends prevent _____

A

closed

tangling

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7
Q

Compression springs with ground ends permit ____ control and inhibit___

A

squareness

buckling

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8
Q

Extensions spring common ends are?

A

loops and hooks

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9
Q

Wire forms can produce what type of movements?

A

torsional and tensional

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10
Q

What is the most common type of material for all springs and why?

A

high carbon Steels and least expensive

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11
Q

what spring have good electrical properties

A

non ferrous

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12
Q

Nickel-based alloys are useful in spring because?

A

resist corrosion and are nonmagnetic

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13
Q

Before testing springs should?

A

have a visual inspection and special care given to the hooks.

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14
Q

Engine valve spring is a ____ spring and it must posses good____ and ____ strength

A

compression
compressive
fatigue

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15
Q

Conical spring compared to parallel spring does not

A

coil bind when compressed.

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16
Q

Hooke law

A

dorce of spring directly proportional to deflection only in the elastic range.

17
Q

Large deflection, low load

A

low rate spring

18
Q

Small deflection, high load

A

high rate spring.

19
Q

Leaf spring is an example of a?

A

cantilever beam