design of sheet metal folding machine in pdf
#1
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hi am Ali i would like to get details on design of sheet metal folding machine in pdf.I studied in college and in this time i nedded it
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#2

A sheet folding machine that can be operated through hydraulics by two hydraulic cylinders or
manually (with the cylinders disengaged) was designed. The design need emanated from the
strained national electrical grid system that has recently seen industrialists and households in
Zimbabwe experiencing major power cuts. The machine enables manufacturers to schedule
heavier jobs during periods when power supply is up and lighter jobs during power cut periods
hence run their workshops throughout the daily production shifts. The two hydraulic cylinders
can be disengaged from the machine’s folding beam so that manual operation can be done
through a manual clamping lever system. The folding force at full capacity is 294.6 KN (29.46
Ton), total bending length of 1.8 m and working height of 1 m. The folding force decreases
significantly in manual operating mode to 500 N, considering that on average an operate can
manually exert that force. A student version of Simulation X 3.5 was used to simulate the hydraulic
operation of the machine.
Sheet metal bending and folding accounts for
the production of a wide range of consumer
durable goods. The demand of goods that fully
or at least partly comprise of bent sheet metal
parts promises to remain high. Typical
products made from sheet metal folding include
enclosures, electric boxes, casings for
electrical and electronic gadgets, trays, lids,
troughs, air ducts, and chimneys. The paperwill articulate the design of the components of
the folding machine which comprise of the
folding beam, the clamping beam, the
hydraulic system, selection of a pump to
power the hydraulic system, design of the
hydraulic cylinder connections such that they
can be easily disengaged from hydraulic to
manual mode. Currently the bulk of available
sheet metal folding machines are operated
manually whilst few hydraulic operated onesexist. The operation of hydraulic folding
machines is greatly affected by the power cuts
hence the need for a machine that operates
both on hydraulic and manual mode.
Designing a dual operation mode machine
gives the manufacturers more flexibility on
limited resources as compared to buying two
machines with different operating modes so
that the other can be shelved when there is no
power supply. To deal with this problem, this
article focuses on the design of dual-mode
sheet metal folding machine that has the ability
to be disengaged from hydraulic mode to
manual mode in the shortest period of time.
With the growth of Small and Medium scale
Enterprises (SMEs) worldwide, the folding
machine can be used to produce a wide range
of products in small factories for local market
as well as foreign markets with low power
consumption since the operators can choose
to switch into the manual mode even during
periods when there is power supply.
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