Manufacturing Technical Objects

The Manufacturing Process Step 1Step 2Step 3 DesignProductionMarketing

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

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

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)

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!

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

Characteristic 1 DirectIndirect The 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 together HANGING A PICTURE ON A WALL

Characteristic 2 RigidFlexible The 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 deformed EX. BIKE TIRE TO RIM ( FEW)

Characteristic 3 RemovableNon-removable Linked parts can be separated without damage EX. DOOR TO FRAME, PEN CAP Linked parts cannot be separated without damage EX. PULLING WHITE BOARD OFF WALL; BROKEN STOOL

Characteristic 4 CompletePartial The linked parts can NOT move independently of one another EX. THE DESK At least 1 part can move independently of the others EX. GREEN LAB STOOLS, DOOR, LIGHTSWITCH

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)

Example: A Stapler Top View Side View

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