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Kemble > M6.10 Control Cables > Flashcards

M6.10 Control Cables Flashcards

1
Q

What are the advantages of cables?

A

. Weight saving
. Route anywhere
. Setup without backlash

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2
Q

What are the disadvantages of cables?

A

. Tensions have to be adjusted
. Will wear at points of contact

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3
Q

What are wires twisted into?

A

Strands

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4
Q

What are strands twisted into?

A

Cables

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5
Q

What is the fraction and identification of a flexible cable?

A

3/32 = 7x7

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6
Q

What is the fraction and identification of a extra flexible cable?

A

1/8 = 7x19

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7
Q

What are lock clads on cables? And good/ thing about it?

A

. Housing protects cable
. Can’t be bent
. Smooth surface
. Sag is eliminated

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8
Q

What does the groove represent on a turnbuckle?p

A

Left hand thread

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9
Q

What do pulleys allow?

A

Direction change

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10
Q

What is the role of fairleads?

A

Guides/prevents structure contact

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11
Q

What direction and load can Bowden cables use?

A

. Pull only
. Light loads

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12
Q

What direction can teleflex controls operate in?

A

Push and pull

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13
Q

What are the 3 teleflex cable types? And their helix winding?

A

23/2 - left hand helix winding
380 - right hand helix winding
169330 - hot areas

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14
Q

What angle is single entry fitting limited to and minimum.

A

Limited to 270 degrees, minimum 40 degrees

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15
Q

What angles do a double fitting operate at?

A

90, 120, and 180 degrees

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16
Q

What loads can straight lead units not have?

A

Heavy loads

17
Q

How many components does a junction box have and what direction?

A

2 components, can reverse direction

18
Q

What does an anti torsion tube prevent?

A

Twisting

19
Q

What does a quick break unit do?

A

Easy removal of components without disturbing control

20
Q

How is a cable constructed

A

Wires are twisted into stands and strands are twisted into cables

21
Q

Which of the following cables are flexible and which are non flexible
1x17
1x19
7x7
7x19

A

1x 19 and 1x17 are non flexible
7x7 and 7x19 are flexible

22
Q

When are pulleys used

A

When there’s a change in direction

23
Q

Where would a lock clad cable be used

A

In straight runs

24
Q

What are the benefits of having a lock clad cable

A

They reduce sag and vibration

25
Q

What are fairleads used for

A

To guide the cables and prevent contact with the structure

26
Q

What is the purpose of cable turnbuckles

A

They facilitate cable tensioning

27
Q

What does the groove indicate on a turnbuckle

A

That it’s a left hand thread

28
Q

What’s a DS 23/2

A

A left hand helix wire

29
Q

What’s a DS 380

A

A right hand helix wire

30
Q

What is the DS169330 similar too and why

A

The DS 23/2 because it’s a left hand thread also

31
Q

What’s a quick break units purpose

A

To facilitate quick disconnection of components which allows the removal of components without disturbing the control

Kemble (39 decks)

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