Technical analysis and diagramming exercises

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Technical analysis and diagramming exercises 2 nd year of the first

pedagogical counsellor at the commission scolaire Coeur-des-Vallées

Outaouais Madame Jocelyne St-Louis, teacher at the commission scolaire

commission scolaire des Portages-de-l Outaouais Monsieur Stéphane

Outaouais Madame Violette Routhier, pedagogical counsellor at the

1 Technical analysis and diagramming exercises 2 nd year of the first cycle Name: June 2010 By a team made up of: Madame Isabelle Lafrance, pedagogical counsellor at the commission scolaire Coeur-des-Vallées Madame Rina Racine, teacher at the commission scolaire des Portages-de-l Outaouais Madame Jocelyne St-Louis, teacher at the commission scolaire des Portages-de-l Outaouais Monsieur Bruno Pomerleau, teacher at the commission scolaire des Portages-de-l Outaouais Monsieur Stéphane Carpentier, teacher at the commission scolaire des Portages-de-l Outaouais Madame Violette Routhier, pedagogical counsellor at the commission scolaire des Portages-de-l Outaouais in collaboration with the Centre de développement pédagogique

2 Rules of diagramming Complete the sentences using the words below: proportion elements colour links view simple lines - parts symbols forces - movement 1- Choosing the best to represent the object. 2- Represent the object by. 3- Name the various of the object. 4- Use to represent the operating principles. 5- Represent the using arrows. 6- Represent the and the guidance. 7- Use to represent the various parts of the object. 8- Represent the of the parts using appropriate symbols. 9- Indicate the critical. 10- Retain a certain between the various parts. 2

What is their use? 2- What are the various materials used in the object?

3 Technological analysis of the graduated cylinder Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What are the various parts of the object? What is their use? 2- What are the various materials used in the object? 3- What is the purpose of the gradation printed on the object? 4- What are the characteristics of the link between the safety ring and the graduated glass tube? 3

4 Complete the principles diagram of the graduated cylinder 1- Carry out the principles diagram of the graduated cylinder. 4

Technological analysis of the clothesline spacer Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- Is there a simple machine as the

5 Technological analysis of the clothesline spacer Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- Is there a simple machine as the basis of this object? 2- Of what material is this object made? Specify an advantage to using this material in the make up of the object. 3- What is the role of the deflectors under the pulleys? 5

6 Complete the principles diagram of the clothesline spacer 1- Draw the pulleys. 2- Connect the parts of the object to the elements on the diagram. SITUATION DIAGRAM FOR THE SPACER Axle Clothesline Flange Slit to insert the line Deflector Pulley Pivot link (pulley rotating around its axle) Legend Complete link PRINCIPLES DIAGRAM 6

7 Technological analysis of the eyelash curler Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- Is there a simple machine as a basis for this object? Specify which one. 2- What are the characteristics of the link between the short and long arms? 3- What are the characteristics of the "short arm - press" pivot link? 4- What is the role of the rubberised strip? 7

8 Complete the principles diagram of the eyelash curler 1- Complete the diagram using a face view. Lash Additional top view Rubberised strip Lash rest Lashes Eyelid Lashes Press In reality, this part oscillates slightly Pivot link short arm / press Pivot link short arm / long arm Short arm Long arm Face view Right view 8

9 Technological analysis of the garlic press Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- Is there a simple machine as a basis for this object? Specify which one. 2- What are the characteristics of the link between the two levers? 3- Where is the force of action applied in this object? 4- Where is the resistance force in this object? 9

10 Complete the principles diagram of the garlic press 1- Draw the press. 2- Draw the rotation guidance for the handles. Upper handle Press Perforated cup Garlic clove Lower handle Crushed garlic clove Garlic press with upper handle folded down 10

Technological analysis of the drafting compass Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What method is used

11 Technological analysis of the drafting compass Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What method is used to keep the pencil in place while tracing? 2- How is the pencil affixed to the compass? 3- What type of movement is associated to the screw? 4- What is the use of the drypoint? 11

12 Complete the principles diagram of the drafting compass 1- Complete the enlarged view of the tightening mechanism for the pencil. Enlarged top view of the pivot stem and the applied forces F2 The geared areas prevent the illustrated effect l effet illustré F1 Pivot stem Geared areas Tightened pivot link, ensuring rotation and spreading guidance for the arms Branches Partial enlarged view of the pivot links for the spreading mechanism of the arms Pencil Drypoint Pencil holder PRINCIPLES DIAGRAM Partial enlarged view of the screw tightening mechanism 12

13 Technological analysis of the garden cutters Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What type of link is there between the handle and the blade? 2- Is there a simple machine in the construction of this object? If so, specify which. 3- What is the use of the compression spring? 4- What type of link is there between the two blades? 13

14 Complete the principles diagram of the garden cutters 1- Complete the principles diagram. Blade Upper handle Compression spring Jaw Pivot link Planar link Lower handle Garden cutters in cutting position Pressure from the compressed spring on the handles Garden cutters closed in re-opening or unblocking position (see following diagrams) PRINCIPLES DIAGRAMS 14

Technological analysis of the pressure clamp Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What type of link is there between the two

15 Technological analysis of the pressure clamp Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What type of link is there between the two parts of the pressure clamp? 2- Is there a simple machine in the construction of this object? If so, which one? 3- What type of link is there between the bits and the jaws? 4- What is the role of the tension spring in this object? 15

16 Complete the principles diagram of the pressure clamp 1- Complete the principles diagram by drawing the torsion spring. Jaw Pivot link ensuring the rotation guidance of the levers Handle Bit Tension spring Pivot link ensuring the rotation guidance of the bits Clamp in CLOSED position (at rest) Clamp in OPEN position (clamping) PRINCIPLES DIAGRAM 16

Technological analysis of the pepper mill Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What is the role of the

17 Technological analysis of the pepper mill Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What is the role of the compression spring in this object? 2- Why is the reservoir transparent? 3- Why is the stem knurled? 4- What type of movement does the stem make when the object is functioning? 17

18 Complete the principles diagram of the pepper mill 1- Draw the compression spring using the appropriate symbol. 2- Draw the guidance of the stem. Finger rest Stem guidance Compression spring Cylindrical reservoir Tige Stem Enlargement showing the peppercorn being squeezed between the knurled stem and the inside wall of the hopper, with the granulation effect from abrasion. The conical part of the stem between the knurled areas causes the peppercorn to turn on itself. Peppercorns Peppercorn Conical hopper Guidance of the stem (opening at the bottom of the hopper) Play Pepper particles Wall of the hopper 18

19 Technological analysis of the nail clipper Global function of the object: Analysis of the object Observe the object and answer the following questions: 1- What levers are at the basis of this object? Where are they in the object? 2- How many parts make up this object? What are these parts? 3- Why was this object designed to be closed? 19

Complete the principles diagram of the nail clipper 1- Complete the principles diagram by drawing the crooked stem. 2- Carry out the principles diagram in the closed position.

20 Complete the principles diagram of the nail clipper 1- Complete the principles diagram by drawing the crooked stem. 2- Carry out the principles diagram in the closed position. Class 2 lever Nomenclature Class 3 lever (Flexible branch) Heel Jaw F 1 Crooked stem Initial position Nail F 2 Bevelled edge of the jaw Final position PRINCIPLES DIAGRAMS Closed position 20

Technical analysis and diagramming exercises

Technical analysis and diagramming exercises 1 st year of the second cycle Name: Corrected version June 2010 By a team made up of: Madame Isabelle Lafrance, pedagogical counsellor at the commission scolaire