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7/29/2019 Jigs and fixture desgin
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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