manufacturing technical objects. the manufacturing process step 1step 2step 3...
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Manufacturing Technical Objects
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The Manufacturing Process
Step 1 Step 2 Step 3
Design Production Marketing
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Step 1: Design• Identify a need• Analyze the technical problem• Write your specifications
– What is the maximum size, mass etc
• Prepare a design plan• Prepare a Technical drawing• Manufacture a prototype• Test the prototype: Does it meet specifications?
• If not return to step #4 prepare a design plan• Apply for a patent
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Design Plan
• PURPOSE: To provide information on one or more of the operating principals of the object “How does the object work?”
Contains the following: • Name of the parts• Movement of the parts ( see symbols on pg 75)• Operation forces involved (see symbols on pg 75)• Any other useful info needed to understand how the object
works• DRAW example from pg 78 of lab book
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Technical Diagrams
• Purpose: To provide info on the selected manufacturing process of the object. “How do you make the object?”
• Includes:– Important shapes and dimensions to be considered
( rules on pg 73 in lab book)– Names of parts– Materials to be used– Linking components ( pg 75)– Guiding controls ( pg 75)
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Rules for all types of drawings
• Always use appropriate symbols• Follow rules and conventions for dimensioning• Make your drawings the proper size ( choose
the right scale pg 68)• Include at the bottom: your name, the date,
the title of the drawing and the scale ( refer to pg 74)
• BE neat!
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Links
• Linking is the function performed by any component that connects different parts of an object
• All links can be described with four characteristics:– Direct vs. indirect– Rigid vs. flexible– Removable vs. non-removable– Complete vs. partial
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Characteristic 1
Direct IndirectThe 2 parts are held together without a linking component ( no screws, nails glue etc)EX. CAP OF A PEN
The parts require a linking component to hold them togetherHANGING A PICTURE ON A WALL
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Characteristic 2
Rigid FlexibleThe link is rigid when the linking component and/or the surfaces of the linked parts are rigid EX. TOPS OF DESKS TO LEGS
The linking component and/or the surfaces of the linked parts can be deformedEX. BIKE TIRE TO RIM ( FEW)
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Characteristic 3
Removable Non-removable
Linked parts can be separated without damageEX. DOOR TO FRAME, PEN CAP
Linked parts cannot be separated without damageEX. PULLING WHITE BOARD OFF WALL; BROKEN STOOL
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Characteristic 4Complete Partial
The linked parts can NOT move independently of one anotherEX. THE DESK
At least 1 part can move independently of the othersEX. GREEN LAB STOOLS, DOOR, LIGHTSWITCH
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Guiding
• Guiding is the function performed by any component that controls the motion of 1 or more moving parts ( see
• Guiding can be:– translational: ensures straight-line motion of a
moving part ( DRAWER)– rotational: ensures rotational motion of a moving part
( DOOR- HINGE)– Helical: ensures translational motion of a part while it
rotates about the same axis ( FAUCET)
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Example: A Stapler
Top View
Side View
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Drawing Views
You need to include dimensions and lines indicating what the stated dimensions refer to
Ex:• You need to label your view• You need to make sure you don’t move the
item as you are drawing it too much so that you do not change your perspective
16 cm
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