A master model is required before a product is
actually processed in a machine. One technique to
produce this master model is using Roland MDX 40
machine which is already used in ADTC. However,
duplicating master model by using this machine is not
recommended because : (1) Producing a master model
using a Roland MDX 40 machine consumes a long time
(depend on product complexity) due to metal material
used for producing the master model is a heat resistant
material, hence requires more time to shape; (2) Roland
MDX 40 machine are high costly to use. The time
consumption in the process of making the master model
would burden the cost of electricity and replacing the
cutter all the time when it is not sharp anymore; (3) A
Roland MDX 40 machine also requires a machine operator
to always stand by to frequently giving the machine and
cutter oil lubricant during the process.
This research use PDPC (Process Decision Program
Chart) to depict all of the techniques that did in
ordering to obtain the best technique in making master
model. Fishbone diagram used to analyze the problems
that occur on every technique. Arrow diagram used to
detect the sequence of production process and obtain
production time.
By the end of the research, A prototype machine
was built to produce a master model of UAJY keychain.
This machine operates at 1400 rpm, with power of 187,5
watt, price of IDR 4.500.000,00 and machine cost per
hour is IDR 1.650,00.