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Mechatronics > Assembly Technology > Flashcards

Assembly Technology Flashcards

1
Q

What is a cobot?

A

A robot designed to assist humans, not replace them

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2
Q

What is the maximum workplace lift weight?

A

25kg

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3
Q

What are the 5 categories of handling that VDI Guideline 2860 cover?

A

Securing, moving, changing quantities, storing and quality control

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4
Q

What makes robots work?

A

By kinematic theory (calculated cartesian movements)

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5
Q

What three things can vibrations cause?

A
  1. Increased noise levels
  2. Premature wearing of machinery
  3. Additional stresses on parts being manufactured
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6
Q

What is considered when designing assembly stations?

A

Ergonomics, organisation, psychological factors and safety

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7
Q

At what noise level (in decibels) should you wear ear protection?

A

85+ decibels

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8
Q

What is the quality controlled level of lighting in a workplace?

A

5000 lux

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9
Q

What are the minimum and optimal spaces required between workbenches?

A

Minimum = 1m
Optimum = 1.5m

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10
Q

Why can high EMF levels from certain machines be dangerous?

A

Can affect the abilities of people with pacemakers and mechanical body parts

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11
Q

What are the 4 handling operations for securing?

A

Hold
Let go
Tighten
Loosen

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12
Q

What is the definition of securing?

A

The process of holding a tool or workpiece for a period of time

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13
Q

What are the 8 handling operations for moving?

A

Rotate
Swivel
Change orientation
Shift
Fix position
Order
Lead
Place

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14
Q

What is the definition of moving?

A

The changing of a workpiece’s position and orientation

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15
Q

What are the 6 handling operations for changing quantities?

A

Dividing
Merging
Batching
Separating and allocating
Branching
Assembling

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16
Q

What are the 3 handling operations for storing?

A

Ordered storage
Partially ordered storage
Disordered storage

17
Q

What are the 2 handling operations for quality control?

A

Testing
Measuring

18
Q

What are the 3 main groups of automated handling equipment?

A

Equipment for storage
Equipment for changing the quantity, position and orientation
Equipment for holding

19
Q

What is static imbalance?

A

When the rotating centreline (axis about which the part is rotating) and the geometric centreline (centreline going through centre of rotating part (i.e. the cam)) are parallel to each other, and are therefore not balanced

20
Q

What is dynamic imbalance?

A

When an asymmetric distribution of mass causes a misalignment of the rotating centreline and the geometric centreline

21
Q

What are the two assembly methods? What is the difference between the two?

A

Assembly cell and assembly line
Assembly cell is all done on a single station, whereas an assembly line has each station do one task

Mechatronics (10 decks)

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