M&R Challenger II 12 COLOR, Manual, Page: 170 / 176

active size
- The speed at which the servo index drive will make the machine carousel turn, determined by the
pallet size selected.
adjuster -
The mechanism used to change, so as to adjust speed, height, distance and etc.
adjustment knob -
A knob/handle provided with threads which is used to make changes to speed, height, dis-
tance etc.
air dryer
- A device utilized to eliminate the moisture and condensate which is a by product of the act of com-
pressing free air, also referred to as “Refrigerated Chiller”.
Allen Head Screw -
A machine screw with a head which requires an Allen Wrench for turning of the screw
body. Allen head screws are used with or without a nut to mount or fasten two or more component assemblies
together.
APM status -
The current condition of the amplifier circuit used to provide electrical power to the index drive
servo motor.
art table pin bar
A flat metal strip with 3 machined dowel pins, which is located at the top of the art table, used
to secure pre-punched plastic carrier sheets for the placement of film positives or art-work.
base pallet frame
The assembly to which the pallet is attached on the pallet support arm.
butt-to-butt registration
The alignment of two or more colors in the printed image in such a manner which
results in no overlapping of one color to another.
cam follower
A roller type bearing with a threaded shaft, which will be used to secure the bearing to a mechan-
ical assembly. Cam followers are used on the carousel table for locking of the carousel table during the printing
cycle. Cam followers are also used on the index plate for rotation of the index table.
carousel
The rotating part on the machine, to which the pallets are attached. (Also referred to as the “Index
Table”)
carousel plate
The lower machined plate that makes up the carousel, which rides on the center bearing,
known as the “Timken bearing”.
carriage shafts
The cylindrical rods used to guide and support a mechanical assembly, such as print head
carriage or index drive carriage assemblies.
carrier sheet
A Piece of film or acetate that has been pre-punched with holes that correspond to the pins on
the pin bar.
chopper cylinder
The pneumatic double acting cylinders used to make the flood bar and squeegee raise or
lower.
compressor
The apparatus used to compress free air into a holding tank.
control element
The device in an electrical circuit or system that maintains a given valve.
control box
The enclosure in which you will find most of the electrical and electronic elements of the machine.
cooling fan
The blower used to move air across a control box to keep electrical and electronic elements with-
in specific operating temperatures.
cross knobs
A knob/handle which has four points of leverage in the form of a cross.
cure temperature
The temperature at which a liquid compound (ink) will change its chemical composition
making it solid. (Plastisol Fusion)
cycle sequences
A series of events or operations which must take place in a specific order to complete a
work operation.
digital temperature control
A device which uses electronic circuits to maintain a given temperature within
a specific area.
drain valve
A valve used to drain/release a substance out of a container.
dwell timer
A device used to delay the time in which the different steps of a sequence take place.
Glossary: