FM77 Digit
Instruction manual
Before using the machine please carefully read the instructions
DOC. N. FM111004
REV. 01
ED. 05.2003
INDEX
Chapter 1. Foreword
1.1. Preface..............................................……..………………..
1.2. Performances of packaging machine.......…….……….…..
1.3. Machine identification.........................…….......…………..
1.4. Weight and dimensions of packed machine………………
1.5. Machine weight and dimensions...............…….…………..
Chapter 2. Machine installation
2.1. Transport and positioning.................…….........…………..
2.2. Environmental conditions.........................…….……….…..
2.3. Electrical connections..............................……..…………..
Chapter 3. Machine adjustment and setting up
3.1. Adjustment ……………………………………………….…..
3.2. Film roll insertion........................................…….……….….
3.3. Reticulated plate installation…………………………………
3.4. Bobbins support and packaging flat adjustment
3.5. Execution of 1^ film sealing.......................……..…………..
3.6. Introducing the object to be wrapped …….…….…………..
3.7. Making up ………………………………………………….….
Chapter 4. Limits and conditions in the use of machine
4.1. Max. packing sizes..................................……..……….…..
4.2. Items which must not be packed..............…….……….…..
Chapter 5. Film features
5.1. Films to be used..................................……......……….…..
5.2. Band A calculation.................................……....…………..
Chapter 6. Safety standards
6.1 Warnings...............................................…….....…………..
Chapter 7. Ordinary maintenance
7.1. Precautions for ordinary maintenance interventions……..
7.2. Sealing blade cleaning.............................……..…………..
7.3. Plastic film and other scrap removal......……....…………..
7.4. Machine cleaning....................................……...…………..
7.5. Rubber and teflon replacement................…….……….…..
7.6. Changing the sealing wire.........................…………….…..
7.7. Wiring diagram.........................................…….……….…..
7.8. Key wiring diagram…………………………………………..
7.9. Disassembling, demolition and elimination of residuals…..
Chapter 8. Guarantee
Chapter 1. Foreword
1.1. Preface
This manual has been drawn up in compliance with the UNI 10893 standard dated July
2000. It is meant for all users in order to enable them to use the machine correctly.
Keep it in a place which can be easily accessed in the proximity of the machine and
which is known to all users. This manual is an integral part of the machine for safety
reasons. We wish to specify the symbols in use here below in order to improve their
understanding.
ATTENTION:
Accident prevention rules for the operator. This warning indicates the
1.2. Performances of packaging machine
You have bought a machine with outstanding features and performance and we thank
you very much for your confidence in choosing it. The MINIPACK System is unique in
its kind and has achieved worldwide succes with more than 60000 units operating in the
field of packaging and wrapping.It is handy, low-priced and protected by patents at
home and abroad. The technological concept underlining its design, as well as the
components and materials used in the manufacturing and testing process are the best
assurance of proper operation and long-lasting liability.
Thanks to its particular operating circuit, it can be used both as a sealing and shrinking
machine or as a plain sealing machine (sealing only). In this case it is possible to pack
the object in a soft bag without shrinkwrapping. The film used in centerfolded execution
can be micropunched or not when running through the micropunches of machine itself.
The machine can carry out up to 300 packages/hour.
presence of dangers which can injure the person operating on the
machine.
WARNING:
It indicates the possibility of damaging the machine and/or its
components.
1.3. Machine identification
In every communication with the Manufacturer, always
mention the model and the serial number specified on the
plate on the rear part of the machine.
1.4. Weight and dimensions of packed machine
a = 1970 mm
b = 1040 mm
c = 910 mm
Weight = 237 Kg
1.5. Machine weight and dimensions
a = 1875 mm
b = 950 mm
c = 1410 mm
Weight = 185 Kg
Chapter 2. Machine installation
2.1. Transport and positioning
It is recommended to handle with great care during transport and
positioning!
Use protection gloves while handling the machine.
Cut the strap with scissors (make
sure you protect your eyes by
wearing glasses) and withdraw
the cardboard.
Remove the box (D) containing
the supports.
Unscrew the 4 locking screws (B)
of the plates (C).
Lift the machine up using a fork
lift.
Unscrew the 4 screws (A) fixing
the plates (C) on the machine.
Assemble the 4 supports by using
the supplied screws.
Cut the strap to release the
upper hood.
2.2. Environmental conditions
Place the machine in a suitable
environment free from humidity,
gases, explosives, combustible
materials.
Leave a minimal space of 200mm
around the machine so that not
to obstruct airoutlets.
Once the correct height is abtained,
block the machine by means of the
wheel brakes.
Working environmental conditions:
Temperature from + 5°C to + 40°C
Relative humidity from 30% to
90%, without condensation
The lighting of the operation room shall comply with the laws in force in the country where
the machine is installed. However, it shall be uniform and provide for good visibility in
order to safeguard the operator’s safety and health.
Machine safety factor = IP20
The aerial noise made by the machine is lower than 70 dB
2.3. Electrical connections
If the machine is not equipped with
the power supply plug, use a plug
that is suitable for the voltage and
amperage values described by the
rating plate and that can comply with
the rules in force in the installation
country.
GROUNDING OF THE UNIT IS
OBLIGATORY!
Before executing electrical connections, make sure
the mains voltage matches the one on the plate on
machine rear and that the earthing contact complies
with the safety rules in force. In case of doubts
about the mains voltage, contact the local public
supply Company.
Chapter 3. Machine adjustment and setting up
3.1. Adjustment
Main switch
1-
Adjusting button
2-
Adjusting button
3-
Temperature warning light
A-
Shrinking warning light
B-
Sealing warning light
C-
Programs selection button
P-
Display
D-
Variables selection switch
S-
ELECTRONIC BOARD FEATURES
The machine is equipped with 6 selectionable programs:
Program nr. Program features
P1
P2
P3
P4 - P5 - P6
Each program is composed by 4 variables which can be modified (in case it is not possible
to set one of them, such a variable will obviously not appear on the display):
Variable Field Field features
1. Temperature
2. Sealing
3. Shrinking
4. Shrinking delay
PHASE NR. 1 = SWITCHING THE MACHINE ON
Turn the main switch (1) into pos. 1. Before using the machine, wait until the adjusting
temperature is reached. This is signalled by the extinction of the warning light (A). The
display (D) turns on and the number of the currently selected program will appear.
PHASE NR. 2 = PROGRAMS
SELECTION
Push button (P) to select the number of the program.
PHASE NR. 3 = VARIABLES PROGRAMMING
Through button (S) it is possible to look through the variables of the selected program,
while through buttons (2) and (3) the memorized values can be modified. To validate
modifications, press button (S) until the number of the program appears on the display.
The fan delay time after sealing
which is shown with an “r” on the left display, while the right one shows the time which has
been set. At the end of all variables to be adjusted, the display will show the code of the
program just chosen (for example P1).
N.B.: In case during programming the FC limit switch is being pressed, the unit quits the
scheduling, the selected program is executed and the display shows the number of the
program.
PHASE NR. 4 =
PERFORMANCE
Once all adjustments have been made, the machine is ready to start working.
PAUSE TIME TEMPERATURE (Field)
6” 50
7” 60
8” 70
9” 80
10” 90
In case of “ANOMALY” the display will show as follows:
E 1
E 2
Machine has been switched on when the hood was lowered. Lift the hood up.
Machine has been switched on when the (S) button was pressed. Release the
Sealing only
Sealing + shrinking
Sealing + delayed shrinking to sealing end
Sealing + shrinking
00 ÷ 99
0 ÷ 2.7
0.0 ÷ 9.9
0 ÷ 9
corresponds to 220.....420°C (2°C each point)-
(medium value 75)
values expressed in seconds
values expressed in seconds
tenth-seconds values
can be modified; there is not a LED indicating this variable
button. In case the error signalling still persists, check the correct functioning of
the button.
E 3
Working temperature hasn’t been reached in the set time (10 min.). Check the
correct positioning of the feeler. Check heater and fuses. Reset through (P)
button.
E 4
Temperature is higher than 420°C or feeler has been interrupted. Switch the
machine on to reset.
3.2. Film roll insertion
Insert the roll of film on the roller
(6) and block it through the
centering cones (7).
Position the roller on the film roll
support.
Run through the micropunches
(8).
Passage over film transmission
roller (15).
Run the film lower layer under
the packaging plate (9).
Run the film upper layer over the
packaging plate (9) and separator
rod (10).
3.3. Reticulated plate installation
The reticulated plate (11) can be
placed according to the height of
the product to pack. To position it
follow this procedure:
Pull the reticulated plate in
direction of the arrows
Remove it from the stops
Position the plate on the stops at
the required height
N.B.: For a proper packaging the
reticulated plate must be
positioned so that film sealing is at
the half of the package height.
3.4. Bobbins support and packaging flat adjustment
The bobbin support and the
packaging flat must be adjusted
according to the width of the
article to be packaged, leaving a
space of about 1-2 cm between
the article and the welding edge.
3.5. Execution of 1^ film sealing
Place film as shown in the picture
to carry out the first seal.
Lower the handle of the cover with
your left hand and make a
pressure of 10-15 Kg. Machine will
automatically operate and the first
seal will be carried out on the side
of the film. With the right hand
detach the film from the sealing
blade. Film is now ready to carry
out wrapping.
3.6. Introducing the object to be wrapped
With the left hand slide on the
packaging plate the quantity of
film necessary to contain the
product to be packed.
Introduce the product into the
bag using the right hand and
make it slide to the left until it is
layed on the screen leaving a
little space fo about 1-2 cm to
allow the passage of air for
shrinkwrapping.
3.7. Making up
By pushing the cover handle with a
pressure of 10-15 Kg. the cover
rests on the sealing blade; by
pinching the
film, it is automatically sealed on
the open sides (right and front). In
case you have selected the
function “SEALING
+SHRINKWRAPPING” you will see
the film shrink onto the product.
Slightly decrease the pressure on
the cover handle to allow film
detach from the sealing area on
the inside. With the right and
detach the film from the sealing
blade towards the outside.
Chapter 4. Limits and conditions in the use of machine
4.1. Max. packing sizes
a = mm 800
b = mm 500
c = mm 250
N.B.: max. dimensions shown on above scheme are referring to the max. dimension of
the single package.
Refer to chapter 5.2. to get max. dimension of package (b x c); the addition of (b + c) is
equal to film roll width 100 mm.
4.2. Items which must not be packed
The below listed products must absolutely not be wrapped to avoid damages to the
machine and seroius injuries.
Wet and unstable products, liquids of any kind and density in fragile containers,
flammable and explosive materials, pressurised gas cylinder of any kind, bulk and
volatile powders, bulk materials with grain size smaller than the holes of the
reticulated plate, any materials and products not listed but which might harm operator
and cause damages to the machine.
The below listed products must absolutely not be wrapped to avoid damages to the
machine and seroius injuries to the operator in charge:
• Wet and unstable products,
• liquids of any kind and density in fragile containers,
• flammable and explosive materials, pressurised gas cylinder
of any kind, bulk and volatile powders,
• bulk materials with grain size smaller than the holes of the
reticulated plate,
• any materials and products not listed but which might harm
operator and cause damages to the machine.
Chapter 5. Film features
5.1. Films to be used
Machine can work with all shrinkwrapping
films (technical grade or food grade films)
with thickness 15-50 micron
manufactured by ”MINIPACK-TORRE
S.p.A.”. The special features of our films
(which may be customized with drawings
and text) assure their outstanding
reliability, with regard both to compliance
with laws in force and to an excellent
machine performance.
A= mm 800 MAX
D= mm 300 MAX
d= mm 77
5.2. Band A calculation
Fascia A = b + c + 100mm
It is recommended to refer to the technical and safety sheets of the films
in use and to observe the corresponding instructions!
Chapter 6. Safety standards
6.1. Warnings
During the work phases pay attention to all hot parts of the
machine. The temperature they can reach is so high that it can
cause burns.
It is forbidden to smoke when the machine is working!
Do not touch the sealing blade (13) soon after sealing by reaching beyond the safety
guard (14).
Danger of burns due to residual heat on the sealing blade.
Do not touch the sealing blade (13) soon after
sealing by reaching beyond the safety guard
(14).
Danger of burns due to residual heat on the
sealing blade.
Do not keep on sealing in case the sealing blade
(13) breaks.
Replace it at once.
Chapter 6. Safety standards
6.1. Warnings
Do not touch the chamber closing flap (16) during warm-up function. Danger of burns.
Do not touch the fan while moving or using the machine without the reticulated plate
(11).
Make sure that the roll of film is properly lodget (6).
Every time you turn the machine off, it is recomended to leave the upper hood
open (as shown in the drawing).
Chapter 7. Ordinary maintenance
7.1. Precautions for ordinary maintenance interventions
ORDINARY MAINTENANCE, MUST BE EXECUTED BY QUALIFIED STAFF
APPROPRIATELY TRAINED.
Before proceeding to maintenance, switch the machine off and
disconnect it by operating on the master switch and wait for the machine
to cool down!
It is recommended to use protection gloves during maintenance
operations!
7.2. Sealing blade cleaning
Using a dry cloth, wipe off the
residues clinging to the sealing
blade: do this at once after sealing
since they are easier to remove
when still warm.
Periodically lubrificate the sealing
blade with the grease supplied with
the machine.
7.3. Plastic film and other scrap removal
Wait for the machine to cool down
completely before removing any
scraps stuck to the hot parts of the
machine
(e.g. , on the flaps of the heat
chamber). If the lower cover requires
cleaning (where the fan is installed),
remove the reticulated plate and take
out any pieces that may have fallen
inside.
For a more careful cleaning of the
lower bell we recommend to use a
vacuum cleaner.
7.4. Machine cleaning
Use a cloth moistened with water for
the cleaning of the machine.
For cleaning the bell inside and
outside we recommend to use a
normal detergent for glass cleaning.
Do not use any detergents with
solvents which could damage the
bell and reduce the transparency.
7.5. Rubber and teflon replacement
When the Teflon-strikers (17) are
worn out, replace them with spare
parts, paying attention that the
application is
linear and even.
Before applying the Teflon selfadhesive strip clean the rubber
part (18) with a detergent. If also
the rubber (18) is damaged,
replace it as follows:
Remove the old rubber,
clean its housing,
apply some drops of glue in the
housing, insert the new rubber in
a linear way,
clean the rubber with a
detergent,
apply the self-adhesive Teflonstrip.
7.6. Changing the sealing blade
To replace the sealing blade (19) follow this procedure:
• Disconnect power to the machine
• Unscrew the three screws (20), (21), (22)
• Remove the old sealing blade
• Clean the housing and if necessary replace the insulating teflon (23) of the central
clamp
• Insert the new sealing blade starting from the central clamp and tighten the screw
(21)
• Trim the new sealing blade according to the holes of the pistons (24) and (25)
• Complete the insertion if the sealing blade in the whole housing
• Push the rear piston completely onwards (25) towards the sealing blade to make it
enter the hole of the piston itself and then tighten screw (22)
• Push the front piston (24) completely onwards towards the sealing blade to make it
enter the hole of the piston itself and then tighten screw (20)
• Trim the teflon projecting from the central clamp
• Make sure that the sealing blade (19) is well positioned and in tension
7.7. Wiring diagram
7.8. Key wiring diagram
IG Main switch KM1 Cutting contactor
FU1 Fuse KM2 Heaters contactor
FU2 Fuse KM3 Fan contactor
FU3 Fuse M Fan motor
FU4 Fuse YA Shrinking magnet
EH1 Cutting heater YS Sealing magnet
EH2/3 Heater J Thermocouple
T1 Cutting transformer SQ1 Machine cycle limit switch
T2 Auxiliary transformer
7.9. Disassembling, demolition and elimination of residuals
ATTENTION!
All operations about disassembling and demolition must be done by qualified
personnel with mechanical and electrical expertise required to work in security
conditions.
Proceed as follows:
1. disconnect machine from power mains
2. disassemble components
All wastes must be treared, eliminated or recycled according to their classification
and to the procedures in force established by the laws in force in the country the
equipment has been installed.
Chapter 8. Guarantee
Model and Serial Number:
Equipment manufactured by minipack-torre is warranted to be free of defects in parts and
craftsmanship for a period of one (1) year from the date of installation, or 15 months from the
invoice, whichever occurs first, minipack-america's exclusive obligation under this warranty
is limited to repairing or, at its option, replacing any minipack-torre part that is determined by
minipack-america to be defective. The warranty is for the original purchaser of new equipment.
Component subsystems manufactured by minipack-torre carry the warranty as stated herein.
The warranty does not apply to subsystem component parts which are not manufactured by
minipack-torre. Subsystem component parts not manufactured by minipack-torre shall be
subject to any warranty of its manufacturer.
This warranty shall not apply to damage resulting from installation, modification, or repair by
anyone other than a minipack-america authorized distributor/dealer. Nor shall it apply to any
equipment which has been subject to accident, alterations, neglect, misuse or improper
maintenance.
In the event of highly corrosive or high moisture applications, special protective coatings or
stainless steel construction might be needed.
minipack-torre and minipack-america shall not be liable if minipack-torre equipment or
components are used with accessory equipment not manufactured by minipack-torre.
Representations and/or warranties, by whomever made (even if made by minipack-america
authorized distributors/dealers), which are inconsistent with the terms herein shall not
constitute a term of the mininpack-torre or minipack-america express warranty and shall not be
binding on minipack-torre or minipack-america.
THE LIMITED WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE
WARRANTY PERTAINING,TO THE PRODUCT AND IS IN LIEU OF AND EXCLUDES
ALL OTHER WARRANTIES OF ANY NATURE WHATSOEVER, WHETHER
EXPRESSED, IMPLIED OR ARISING BY OPERATION OF LAW, INCLUDING, BUT
NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. THIS WARRANTY DOES NOT COVER OR
PROVIDE FOR THE REIMBURSEMENT OR PAYMENT OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES OF ANY TYPE, MANNER OR DEGREE, AND ANY
LIABILITY BY MINIPACK-TORRE OR MINIPACK-AMERICA FOR SUCH
INCIDENTAL OR CONSEQUENTIAL DAMAGES IS HEREBY DISCLAIMED. Some
states do not allow this exclusion or limitation of warranties and/or damages, so the above
limitations and/or exclusions might not be applicable to you. This warranty gives you specific
legal rights, and you might also have other rights that vary from state to state.
Loading...