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Jig & Fixture Design

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Purpose of Tool designUnit1

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Purpose of Tool DesignTool design: the process of

designing and developing

the tools, methods, and

techniques necessary toimprove manufacturingefficiency and productivity

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Purpose of Tool DesignTool design objectives;

Provide simple, easy

operating tools for

maximum efficiency Produce with lowest

possible cost Produce part with highquality

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Purpose of Tool DesignTool design objectives;

Increase production rate

Foolproof

Adequate tool life

Safety

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Purpose of Tool DesignTool Design in MFG.

Manufacturing for global

competitiveness required

the success of concurrentengineering

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Tool Design in MFG.Planning the Design

Manage information

resources

Part Drawings Production Plan

Alternatives

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Tool Design in MFG.

Planning the DesignPart Drawings: complete

understanding of the part;

Overall size and shape

Condition of the material Type of operation

Degree of accuracy

Number of producing

Locating surfaces

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Tool Design in MFG.

Planning the DesignProduction Plan: itemized list

of mfg operations;

Type and size of m/c tool

Type and size of cutters Sequence of operations

Previous operationsperformed

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Tool Design in MFG.

Planning the DesignAlternatives: ensure the

optimize method is chosen; Should special tool be used?

Should multiple or singlespindle m/c be used?

Should the tool be single ormulti-purpose used?

What type of gauge be

used? Will the savings justify the

cost of the tool?

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Tool Design in MFG.Challenges to the Tool Designer

Understand the extent of these

additional duties

Design Supervision

Procurement

Inspection

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Tool Design in MFG.

Challenges to the Tool DesignerDesign:Develop the drawings and

sketches of the tool design

ideas

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Tool Design in MFG.

Challenges to the Tool DesignerSupervision:Good working relationship

with the group of skilled

people

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Tool Design in MFG.

Challenges to the Tool DesignerProcurement:Choose the vender which

meet the designers needs

in the most timely, efficient,and reliable manner

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Tool Design in MFG.

Challenges to the Tool DesignerInspection:Inspect the tool drawing and

finished tool to ensure

specifications

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Purpose of Tool DesignRequirement to become a

tool designer

Able to make mechanical

drawings and sketches Understand modern

manufacturing methods,

tools, and techniques

A creative mechanicalability

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Purpose of Tool DesignRequirement to become a

tool designer

Understand basic

toolmaking methods A knowledge of technical

mathematics

Geometric dimensioningand tolerance

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Purpose of Tool DesignRequirement to become a

tool designer

CAD drafting skills

File management

Electronic communication

skills