What type of metal should the contact screw be made of to have the highest conductivity?
Brass
How does the armature bar hit the front coil core? Flat, full contact
What do you want the frame on your tattoo machine to be? Non-conductive
What happens when your machine is conductive and electrified? The armature bar sticks
to the coils causing the matching to stay in an "on" setting
What diameter should your post binding be? 5/16
What happens if you use a steel contact screw? Can cause unwanted spark
When setting up your machine, why would you "snug" down the eye of the needle bar?
This helps to prevent weak and jumpy lines
, Tattoo Exam Questions With Solutions
Why is a once-piece contact screw the best choice? Screws with things added on top can
cause vibration
What are the two advantages of to using a brass contact screw? 100% conductive and
keeps its shape longer than other choices
How much if the contact screw should be touching the front spring? A tiny contact area
Why should you use plain steel for a spring rather than a coated spring? The coating
wears away quickly, which causes a bad connection
What kind of reaction can you expect from a machine with a very low spring angle?
Spongy and weak
Which type of machine benefits the best from a shorter spring? A liner
Which spring is the most important for tuning the machine? The rear spring
, Tattoo Exam Questions With Solutions
A machine that is very hard hitting and fast running moves the needle in and out of the skin so
fast that _____? It doesn't leave enough pigment behind
What is the ideal width of the springs used on the machine? The springs should be just as
wide as the part they're attached to
What types of screws should you use to hold the coils to the frame? Always use a
magnetic screw that sits flush to the frame
What is the function of the tube vise? Firmly hold the tube in place and properly align the
tube while the machine is in use
How should a tube vise hold a tube in comparison to the machine? Squarely front to back
and side to side
What is the most important part of a tattoo machine? Coils
What is the purpose of the coils of a tattoo machine? To run consistently and not lose
power
, Tattoo Exam Questions With Solutions
What is a possible reason for the machine to not work at all? There is debris between the
contact screw and the front spring
What can cause the coils to be in a constant "on" position? A coil wire, soldering lug, or
any of the electrical circuit touching the frame
What does your frame act as for a coil circuit? The ground
What is not a purpose of the binding posts? Electrical contact from the soldering lugs to
the contact screw
What is a safety feature of the cartridge needles? If the cartridge is not installed in the
machine or tube, then the needles are not exposed; this limits the possibility of needle stick
What does EPA stand for? Environmental Protection Agency
What does FDA stand for? Food and Drug Administration