Production and Planning Methods Flashcards

1
Q

Production Methods

A

One-off,
Batch,
Mass

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2
Q

Production Methods - One-off

A

Single products,
Every product is unique,
Very labour intensive,
Highly skilled workers,
Flexible factory/workshop,
Expensive products

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3
Q

Production Methods - Batch

A

Groups of products,
Similarly within groups,
Quite labour intensive,
Skilled workers,
Flexible factory/workshop,
Moderate product prices

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4
Q

Production Methods - Mass

A

Many identical products,
Automated production,
Low skill workers,
Expensive set-up costs,
Low running costs,
Inflexible factory,
Cheap products,
Higher unemployment

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5
Q

Methods to Improve Production

A

CAD/CAM,
CNC Machining,
Gantt and flow charts,
Jigs and fixtures,
Just-in-time production,
Standard components

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6
Q

CAD/CAM (Computing Aided Design / Manufacturing)

A

CNC machines will accurately and repeatedly manufacture the 3D models from the design software.

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7
Q

CAD/CAM - Advantages

A

Don’t have to be on the same site,
Efficient so fewer staff required,
Run simulations on CAD models,
Connects to stock control

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8
Q

CAD/CAM Disadvantages

A

Very expensive to set up,
Staff need to be trained,
Reduces the number of skilled workers in society

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9
Q

Jig

A

A device which holds or guides a tool, improving accuracy and repeatability.

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10
Q

Fixture

A

A device which holds a part in place so it can be worked on. Improves accuracy and repeatability.

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11
Q

Standard Components

A

Nuts and bolts,
Motors,
Servos,
Power supplies,
Filters

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12
Q

Standard Components - Advantages

A

Can be manufactured in large quantities, making them cheaper to buy.

Manufacturers can focus on their own product rather than designing every component.

Replacements can be sourced easily.

No need to buy equipment or train staff to manufacture components.

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13
Q

Standard Components - Disadvantages

A

They may restrict the design somewhat.

Manufacturer must deal with a third party supplier.

There may be delivery problems that the manufacturer can’t control.

There may be quality problems that the manufacturer can’t control.

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14
Q

Gantt Charts

A

Gantt charts show tasks, duration, deadlines and workers.

Allow manufacturers to manage their resources.

Show task dependencies.

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15
Q

Flow Charts

A

Flow charts show events, decisions and processes.

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16
Q

Just-in-time Production

A

Just-in-time is a production setup where supplies and stock arrive as they are needed.

Manufacturers therefore do not have to hold large quantities of warehouse stock.

17
Q

Just-in-time Production - Advantages

A

No stock is held. Money is saved on warehouses, staff and associated costs.

Waiting and delivery times are shortened.

18
Q

Just-in-time Production - Disadvantages

A

Can’t adapt to a sudden increase in orders.

Manufacturer becomes very supplier dependent.