V.+Instructional+Events

** Planning Your Instructional Sequence **
**__Instructional Objectives:__** a) Be able to identify the different types of metallic materials and their characteristics. b) Preform and identify processes to convert raw materials into their final product. c) Identify safety practices, processes, tools and equipment. d) Apply metallic processes and psychomotor skill to produce quality finished products. **__Activities Time Line__** Start class 1:00pm (Roll) Announcements (5 minutes) Test Thursday on drilling and threads, HPPV (Human Paper Powered Vehicle competition), EWU vs. Gonzaga Research competition, Ground Force Tour November 18th 1:00pm, Buck Knives Factory tour- This Friday 2:00pm Post Falls ID (Map Hand Out/ Car pulling) Previous class lecture overview (10 minutes) Laying out where the class lecture is heading. Connecting concepts from the previous class to current class lecture topic. Previous homework: Read pp. 155-168 screw threads. Introduction to current class lecture topic “Screw Threads”. Pass out Screw Threads Lecture hand out. Outline-Screw Threads Lecture (2.331 Cutting, Forming, Fastening operations) (45 minutes) a) Threading basic terms and hand out- Major diameter, minor diameter, Root, helix angle, Pitch, Pitch diameter, crest, flank b) Types i. Right-hand (examples) ii. Left-Hand(examples) i. Internal ( represented with letter B) (examples) ii. External (represented with letter A) (examples) c) Thread Manufacturing ( lecture with physical examples) d) Classes/ Fits ( examples and applications) e) Thread Forms/ Pitch (examples, applications, form strengths, and uses)
 * 1) Direction
 * 1) Location
 * 1) Cutting (examples)
 * 2) Rolling (examples)
 * 3) Grinding (examples)
 * 1) #1 = Free fit threads
 * 2) #2 = Loose fit threads
 * 3) #3 = Close fit threads




 * 1) Sharp v/v (60 degree included angle)
 * 2) Square ( 90 degree angle)
 * 3) Knuckle (30 degree angle)
 * 4) Whitworth thread (55 degree angle)
 * 5) Buttress Thread
 * 6) Pipe Thread



f) Threading Dies (External Threads “A”)



i. Diestock ii. Dies(types) g) Taps (Internal Threads “B”) i. Taps wrenches and T-handles  i. Hand  ii. Thread forming (No Flutes)  iii. Serial Taps (Harden Material 3 tap process)  iv. Spiral Taps  v. Gun Taps (Power Threading)(Lab Project Screw Jack)  h) Reasons for Breaking Taps (Physical examples, uses how to use, and why) i) Removing Broken Taps j) Threading Terms (Lecture mixed with physical examples; Internet linked sites, Pictorials, and discussions) __Homework:__ Read pp. 450-494 laths and turning @ 2:10 ten minute break. Lab/Shop Opens until 5:00 pm (2 hour lab/shop time mandatory for class) Class Lab Example- (20 minute) Power Threading CNC Screw Jack, Internal Threading Scribe Body with 5-40 threads, External Threading drill rod using 5-40 die. Foundry pouring- (as needed) Individual Help and examples- (as needed) Concepts and processes mastery – (as needed)
 * 1) Tools (Physical examples, terminology, uses how to use)
 * 1) Solid
 * 2) Adjustable
 * 3) Two part
 * 1) Tools (Physical examples, terminology, uses how to use)
 * 1) Types of taps (Physical examples, terminology, uses how to use)
 * 1) Tapered
 * 2) Plug
 * 3) Bottoming
 * 1) No Cutting Fluid
 * 2) Hole diameter to small
 * 3) Failure to remove chips
 * 4) Wrong angle or alignment
 * 5) Turning after it has reached the bottom of the hole
 * 1) Tap Removers
 * 2) Cape Chisel
 * 3) Acid
 * 4) EDM machine

[|Thread angle cutting calculator] [|screw thread specs.]