Test 3 Flashcards
What three things are immediately benefitted by proper machine maintenance?
Safety, quality, productivity
How does scheduled maintenance differ from ordinary machine repair?
It happens at regular intervals
What is the remedy for machine parts that are known to break down from time to time
Preventative Maintenance
This machine has a hole near the bottom, as shown. What is the purpose of this hole
A place for the hooks to fasten
Why should large machines be carefully leveled?
To reduce wear and vibration
In addition to safety, quality and productivity, what other financial benefit arises from proper maintenance?
Warranty Compliance
A glue applicator machine broke down on your shift. Your shift supervisor is blaming you for the problem. The owner, however, does not reprimand you. How did the owner know it wasn’t your fault
You filled out a maintenance request the week prior
A cutterhead has 4 knives. It turns at 6000 RPM. Material passes this cutterhead at a speed of 45 feet per minute. How many knife marks per inch will this produce? (closest answer)
45
True or False: The top dead centre of a jointer cutterhead needs to be exactly in line with the outfeed table
False
What determines the feed speed on a manually fed machine such as a jointer or hand feeding on a shaper?
The operator
The sample shown below was fed through the machine with the grain. What caused the defect?
Dull Knives
One of the knives in the cutter head shown below was not properly tightened before restarting and yet the knife did not fly out. Why not?
The gib acted as a wedge to keep the knife in
What is being done by the operator in the illustration below?
Adjusting the Knife Height
Looking at the cutterhead pictured here; which statement below is true?
-These knives have slots which locate them precisely in the –cutterhead
-These knives are costly to sharpen due to their flexibility
-Changing the knives takes a long time because there are 6 of them
-These knives must turn at a faster RPM to produce a good surface
These knives have slots which locate them precisely in the –cutterhead
Looking at the cutterhead pictured here; which statement is true?
This head is quieter than a conventional knife cutterhead
What shaper maintenance issues is the most serious?
Spindle Imbalance
What term is used when a machine runs smoothly at operating speed but vibrates significantly as it comes up to rotational speed?
Dynamic Balance
Which of the following individuals might you expect to find on an architect’s staff?
Engineer
Is it permissible for you to set up a woodshop in your garage for the purpose of conducting business?
No because the zoning is wrong
How does the government ensure the health, safety and welfare of citizens when it comes to buildings?
By enforcing the building code
Is it possible to build a structure that is not covered in the building code
Yes, but a professional engineer must stamp the drawings
How do the building authorities know that a building under construction is authorized?
A permit card is posted on the site
When may you move into a new home that you worked on yourself?
After passing the occupancy inspection
True or False: The building inspector must not offer advice to the superintendent of a building project
False
When finalizing construction details in unconventional construction, which person is most important in determining the final construction details?
The Engineer
To whom does a subcontractor report?
The superintendent
What makes CNC technology so adaptable to many millwork manufacturing settings?
Because of the speed, accuracy and repeatability
When preparing to load a new router bit into a CNC machine, what information is required in the tool database?
Tool length and radius
True or False: Every CNC manufacturer develops their own set of unique codes for controlling CNC machinery.
False
Which type of computer code controls the overall movement of a CNC machine?
G-Codes
How are parts located on CNC machinery for accurate machining?
Parts are aligned to the stop pins
True or False: With the advent of newer CNC software, CAD programming is no longer necessary
False
A CNC router with the machine reference point at the front left corner, moves from X35 Y2 to X14 Y2, in which direction did the router move in relation to the operator facing the front of the machine
Right to Left
In CNC terminology, what is the Z axis on a 3 axis machine?
Up & Down
At the workplace, who are the stakeholders responsible for training an apprentice?
Journeyman
Employer
Apprentice
True or False: Coaching of an apprentice only applies while teaching very specific skills.
False
What is the Record Book for an apprentice commonly known as?
Bluebook
A simplified coaching method would include:
Plan, Tell, Show, Do
True or False: Telling an apprentice “Good job” or “Well done” is an effective form of feedback.
False
What describes constructive feedback?
Correcting a problem, not identifying incompetence