This document is to inform the operator of the Wire Stitching Machine EXACT-PLUS about the
following matters:
•the safety symbols and signs
•the installation and commissioning
•the adjustment and operation
Familiarity with this Operating Manual is a prerequisite for the safe and correct running of the
machine. It must be read carefully by the operator before the machine is commissioned.
Keep the manual safely in a place where it is readily available and which is close to hand for persons working on the machine.
1.2The operator
The Wire Stitching Machine EXACT-PLUS must only be operated by trained personnel.
Training will be undertaken by the manufacturer or by persons who have been authorised by the
manufacturer to undertake such training.
1.3Safety symbols and the displays in use
This symbol displays immediate danger to the life or health of persons
in the immediate vicinity of the machine.
Non-observance of the warnings indicated can have immediate, grave con-
sequences and can cause extensive damage to health or may even lead to
death.
This symbol displays possible danger to the life or health of persons
in the immediate vicinity of the machine.
Non-observance of the warnings indicated can have grave consequences,
and can cause extensive damage to health, or may even lead to death.
This symbol displays the existence of a potentially dangerous
situation.
Non-observance of the warnings indicated can lead to minor injuries to persons.
This symbol displays the existence of the risk of damage to
equipment.
Non-observance of the warnings indicated can lead to slight damage to
equipment.
This symbol indicates the availability of tips on how to use the
machine or particularly useful information.
TIP
These tips will help you to use all of the functions of the machine to best
advantage.
-This sign requires you to take action.
•This sign serves as a symbol for listing items.
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Basic safety precautions
1.4Duty and liability
The Wire Stitching Machine EXACT-PLUS has been built according to state-of-the-art technology
under the observance of all the recognised safety regulations. It is, nevertheless, still possible when
using this machine to cause danger to life and limb of the user or a third party or to cause damage
to the machine or other property.
The machine should only be used,
•for the purpose for which it was designed
•when it is in a perfect technical condition
Faults that could reduce the levels of safety in using the machine must be removed immediately.
Warranties and liability on the part of the manufacturer are fundamentally covered by the regulations laid down in our ”General sales and delivery conditions”.
1.5Correct use of the machine
The Wire Stitching Machine EXACT-PLUS is designed exclusively stitching of brochures and
leaflets or similar items. Any use of the machine contrary to that described above is forbidden since
incorrect use of the machine can present a danger.
1.6User requirements
The user of the machine is required to provide the required personal safety equipment. All existing
safety systems should be checked regularly.
1.7Safety and protective systems
All safety and protective systems must be attached to the machine and should be in full working
order before every start-up of the machine.
Safety and protective systems may only be removed:
•when the machine is stationary and
•after it has been secured against being started up again.
1.8Informal safety measures
The Operating Manual should be stored in such a way as to be permanently to hand at the
machine. There are also generally valid local regulations concerning accident prevention and environmental protection measures that should be made available and observed, in addition to those
described in the Operating Instructions.
All safety and danger signs on the machine should be maintained in a legible condition and should
be renewed where necessary.
1.9Personnel training
Only skilled and trained personnel are allowed to work on the machine.
The responsibility of the various parties involved is laid out in the following table:
Trained personsSpecialists
TransportationA haulage company
Installation and commissioning
Operationx
Locating faultsx
Removing the faultThe Hohner company,
Setting up, equippingx
Servicingx
The Hohner company,
Customer Service
Customer Service
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1.10Parts of the machine that are particularly dangerous
Quick stroke movements of the stitching heads!
Danger of crushing!
¾Before carrying out maintenance or repairs, take care that the power supply is switched off
and prevented from being switched on again accidentally.
¾Never operate the system without properly mounted finger guard.
1.11Servicing and repair work, elimination of faults
Quick stroke movements of the stitching heads!
Danger of crushing!
¾Before carrying out maintenance or repairs, take care that the power supply is switched off
and prevented from being switched on again accidentally.
¾Never operate the system without properly mounted finger guard.
Basic safety precautions
Mount the finger guard again after adjustment-, maintenance- and inspection work.
1.12Structural modifications to the machine
Changes to the machine, additions or modifications may only be undertaken with the permission of
the manufacturer.
1.13Cleaning the machine and the removal of waste products
The functionality of the machine and clean processing of the products can only be guaranteed over
a prolonged period of time, if the machine is regularly cleaned in accordance with the normal methods used in mechanical engineering.
Clean with mild, non-abrasive and non-scratch cleaners. Never use aggressive cleaning agents
such as e.g. solvents.
While doing this, it is particularly important to remove trimmed paper remnants
and paper dust regularly, as these can result in jamming of the machine and in
increased wear of its parts.
The machine contains bare metal parts. These should be cleaned regularly with a protective cleaning agent, especially when using the machine in rooms of high air humidity.
All substances and materials used (e.g. solvents and lubricants) must be handled appropriately and
removed in an environmentally friendly way.
1.14Noise levels produced by the machine
The noise emitted by the machine when it is running does not exceed a value of 81 dB(A) as measured in accordance with DIN 45635, Part 27.
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Description of the stitching machine EXACT-PLUS
2 Description of the stitching machine EXACT-PLUS
2
1
4
1
Fig. 2.1
3
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Description of the stitching machine EXACT-PLUS
2.1Safety-related components
- Fig. 2.4 -
2.1.1Position of the cut-out switch / emergency switch
The operator of the machine EXACT-PLUS is extensively protected by covers and shells from any
danger. The main danger sources are additionally guarded against by special danger signs and
appliances (cut-out switches).
2.1.2Stitching aggregate
When installing or adjusting stitching heads the front cover has to be open. The front cover is electrically locked with the cut-out switch -1-, i.e. the machine cannot be operated with open front
cover.
2.1.3Delivery
Adjustment of paper stop (see 3.10) or installation at the delivery has to be done when plastic cover
is open. The plastic cover is electrically locked with the cut-out switch -2-, i.e. the machine cannot
be operated with open plastic cover.
2.1.4Staggered stitch
To change-over from standard to "staggered stitching" remove the protecting cover. The protecting
cover is electrically locked with the cut-out switch -3-, i.e. the machine cannot be operated with
open protecting cover.
2.1.5Main switch and emergency switch
Before all repairs and adjustments on the machine cut out the main switch -4-.
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Description of the stitching machine EXACT-PLUS
1
2
Fig. 2.2
Fig. 2.3
3
4
5
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Description of the stitching machine EXACT-PLUS
2.2 Electrical connections
Voltage
Danger of electrical shock!
¾ Only qualified skilled workers may carry out work in the vicinity of the mains
power supply.
- Employ a specialist to connect the machine to the mains supply. The local connection regulations
must be adhered to. The cable should not lie loosely on the ground after it has been laid.
Specifically observe the direction of rotation of the motor shaft (visible at the vane
marked by the red arrow, see Fig. 3.9). Direction can be reversed by exchanging
2 phases in the mains supply cable.
2.3Motor protective relay
- Fig. 2.2 -
The motor protective relay is triggered upon overload of the motor and switches off the power supply of the motor. This is indicated on the trigger display window -2-.
•Yellow display, invisible: relay not triggered
•Yellow display, visible: relay triggered
- Should the motor protective relay have triggered, the machine must first be switched off with the
ON/EMERGENCY-STOP button. Then determine and eliminate the cause.
Once the cause has been eliminated, the motor protective relay can be reset by
pressing the reset key -1-, - Fig. 2.2 -.
While doing so, ensure that all protective systems are installed on the machine
and all tools have been removed from the machine.
2.4Block mode for drive motor sliding connecting rods
- Fig. 2.3 -
Disconnection of the three-coil regulation of the DC motor occurs when the motor has been blocked
for 10 sec.
The block mode is set back by switching off the mains voltage.
•-3-, Green
Illuminated when the mains voltage is adjusted and released (ready).
•-4-, Red
Illuminated when the current limit has been reached (overload).
•-5-, Red
Illuminated once the block protection has switched off the controller (fault)
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Description of the stitching machine EXACT-PLUS
1
Fig. 2.4
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Description of the stitching machine EXACT-PLUS
2.5Dimensions
- Fig. 2.4 -
2.6Conformity
Please observe the document attached:
„EC Declaration of Conformity according to the EC Machinery Directive 2006 / 42 / EC“
2.7Marking and type plate
The type plate and the CE labelling are fitted below the main switch - Fig. 2.4 -, Pos. 1.
2.8Technical data
Smallest brochure size110 x 80 mm*
Largest brochure size430 x 340 mm*
Max. setting dimension for narrow stitching heads, approx330 mm
Stitching capacity, staples per hour, approx: 4,000*,
continuously variable
Staple displacement by "staggered stitch",
from staple middle to staple middle:
crown width of a stapleSee stitching head operating
Gross weight, machine with 2-station511 kg
Net weight, machine with 2-station315 kg
Kind of current, motor standard executionGeared motor
Total wattage of the motor, approx1 kW
Noise emissionunder 81 dB(A)
18 mm
instructions
Three-phase A.C.
230/400 V
50-60 Hz
STITCHING AGGREGATE
Max. 4 hohner - narrow stitching heads can be mounted for standard stitching,
for loop-stitching or mixed
Stroke-Narrow Stitching Head:50 mm
Stroke-clincher back pressure:5,5 mm
Stitching thickness-standard stitching, maxSee stitching head
operating instructions
Stitching thickness-loop stitching, maxSee stitching head
operating instructions
Stitching wire for standard stitchingSee stitching head
operating instructions
Stitching wire for loop-stitchingSee stitching head
The machine must stand on even floor, the table should be positioned horizontally.
3.2Mounting - stitching head
See stitching head operating instructions.
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Installation and commissioning of the machine
10
8
7
9
14
1
5
11
12
Fig. 3.2
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Installation and commissioning of the machine
3.3Mounting - clincher box
- Fig. 3.2 -
- Take away the mounting plate -7-. Unscrew the four slotted countersunk head screws -8-.
- Install by turning slightly the clincher box -14- with pusher, behind the intermediate ledge -9-. Turn
the clincher box again and place it on the top between the both supporting ledges -10-.
- Place the shaft of the hexagon socket set screw on the rear side of the clincher box in the groove
provided in the receiver girder -5-.
- At the same time make sure that the pusher block -11- fits into the groove of the main
drive bar -12-.
- Put the hexagon socket screws -13- through the oblong hole in the gliding strip into the mounting
block -1- (push the mounting block first into the fixing groove of the receiver girder -5-).
- Tighten both hexagon socket screws -13- slightly by using the delivered hexagon socket screw
key SW 4 (with T-handle) and move the clincher box laterally under the corresponding stitching
head.
After this, the fine adjustment has to be done (see 3.4).
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Installation and commissioning of the machine
15
16
14
17
13
Fig. 3.3
15
14
18
19
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Installation and commissioning of the machine
3.4Fine adjustment - clincher box
- Fig. 3.3 -
The middle of the driver -15- and bender -16- must be exactly in the middle of the clincher box -14(see arrows)!
- Now, rotate the unit by hand (see 3.12), until the driver and the bender are just over the clincher
box. Adjust the middle of the clincher box of the driver and tighten both
hexagon socket screws -13-.
Additional assistance by scales -17-
TIP
The right edges of stitching head and clincher box must be adjusted on the same scale setting -17-.
3.5Pressure adjustment - clincher back press
- Fig. 3.3 -
- Loosen the hexagon socket set screw -18-, turn the hexagon head screw -19-
counter clockwise to increase pressure or
clockwise to decrease pressure.
- Then re-secure the hexagon socket set screw -18-.
The groove-middle of the driver -15- and the middle of the clincher box -14- must
coincide absolutely
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Installation and commissioning of the machine
21
Fig. 3.4
20
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Installation and commissioning of the machine
3.6Mounting and adjustment - guiding brushes / guiding angle
- Fig. 3.4 -
To insert brochures under stitching heads use guiding brushes -20- and guiding angle-21-.
They are destined to stop every brochure at the same position and to ensure that projecting sheets
are made flush.
The guiding angle -21- effects that sheets or brochures not will be jammed during feeding into the
stitching unit.
Installation and adjustment has to be effected when stitching head covering is open. The machine
can not be operated at the same time (see 2.1.2).
3.7Mounting - centering device and guiding cam
See stitching head operating instructions.
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Installation and commissioning of the machine
35
34
Fig. 3.5
37
36
Fig. 3.6
38
39
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Installation and commissioning of the machine
3.8Adjustment - stitching thickness at the stitching aggregate
- Fig. 3.5 -
- Loosen clamping lever -34-, now the needed stitching thickness can be adjusted with the adjusting lever -35- by means of the graduated dial -36- and the graduation mark -37-.
- Retighten the clamping lever -34-. When working with special paper material a correction will be
necessary.
3.9Adjustment - stitching thickness on the delivery
- Fig. 3.6 -
In addition to the stitching aggregate the corresponding stitching thickness is also to be adjusted at
the delivery.
- Loose the clamping lever -38-, adjust the pressure of the rolls in the delivery according to the brochure by turning the star handle -39- (visible through plastic cover on the top).
Adjustment control
Pressure of rolls too low = brochure is not ejected
Pressure of rolls too high = knocking noise in the delivery
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Installation and commissioning of the machine
Fig. 3.7
43
40
41
42
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Installation and commissioning of the machine
3.10Adjustment - paper stop in the delivery
- Fig. 3.7 -
To obtain an exact scale tile delivery the paper stop in the scale tile delivery has to be adjusted to
the corresponding brochure thickness.
- First open the plastic sight glass.
It is electrically locked and prevents the machine from operating during the adjustment of the paper
stop.
As you can see on the illustration, the adjustment can be effected from the top.
- By loosening the star handle screw -40- and the adjusting ring -41- the complete paper stop can
be moved on the guiding rod -42-.
- Adjustment has to be effected in this way that the brochure, between carrier -43- and the paper
stop has some free motion (danger of jolt).
- Re-tighten star handle screw -40-.
When changing brochures from small to big the paper stop has first to be
adjusted
- danger of jolt -
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Installation and commissioning of the machine
50
48
49
47
44
45
46
Fig. 3.8
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Installation and commissioning of the machine
3.11Adjustment - guiding rollers on the delivery table
- Fig. 3.8 -
In order to obtain an exact sit-close scale tile delivery on the delivery table both guiding rollers -44have to be adjusted to the size of brochure (see illustration, top view).
- Loose the upper star handle screws -45- and move roll holders -46- on the axe -47- sidewards
until both guiding rollers -44- are approximately centrical to the thickness of the brochure.
- Retighten upper star handle screws -45-.
- Loosen star handle screws -48- at the side, move both supports -49- at the same time on the
guide bars -50- so far, that the brochure is falling exactly between conveying belt and guiding rollers.
- Re-tighten star handle screws -48- at the side.
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Installation and commissioning of the machine
52
51
53
Fig. 3.9
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Installation and commissioning of the machine
3.12Adjust by hand - stitching head actuation
- Fig. 3.9 -
Before carrying out maintenance or repairs, take care that the power supply is
switched off and prevented from being switched on again accidentally.
For any adjustment or installation work at the stitching aggregate the stitching head driving elements can be adjusted by hand. For this step use the enclosed long hexagon socket screw
key no. 5.
Put the hexagon socket screw key -53- in the cylindrical screw at the back of the drive motor -51- in
the ventilator shaft. Now you can use it as a crank. Press ventilator lever -52- for brake. Turn with
the screw key in direction of arrow.
Before resumption of work the hexagon socket screw key -53- has to be
removed.
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Installation and commissioning of the machine
43
54
55
Fig. 3.10
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Installation and commissioning of the machine
3.13Adjustment - "staggered stitch"
- Fig. 3.10 -
In order to avoid a one-sided thickening on the side of the staple when stacking or cutting, the
machine can be adjusted on "staggered stitch"
TIP
Adjustment:
- The brackets -43- should be placed in about the left final position.
- Switch off the machine, resp. interrupt the current supply.
- Open the protection cap -54- in the front plate under the delivery.
- Pull the visible red adjusting knob -55- by hand and release it in this way.
- If you turn it a fourth (90°) to the left or to the right, the machine is adjusted from "staggered stitching" to standard stitching and vice versa.
- Make sure that the red adjusting knob -55- locks after adjustment or releasing.
- Shut the protecting cap -54-.
During the adjustment the machine can not be operated (see 2.1.4).
Before carrying out maintenance or repairs, take care that the power supply is
switched off and prevented from being switched on again accidentally.
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Installation and commissioning of the machine
3
4
3
4
Fig. 3.11
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Installation and commissioning of the machine
3.14Carbon brushes and switch-off brushes
- Fig. 3.11 -
- After remove clamping strap -3- by loosening screws -4- from the end housing on the B side. The
carbon brushes can be easily replaced and adjusted.
The brushes must always be replaced with the same brush type supplied with the motor.
The quality of the carbon brushes is designed in each case to meet the specific requirements for
normal voltages and closed-loop control or small voltages. Creepage current is prevented through
the use of collector-cleaning carbon brushes and brush yokes with plastic rings. In the case of good
commutation, brush service lives of approx. 3000-5000 operating hours can be achieved for continuous duty S 1.
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Flow diagrams
4 Flow diagrams
EXACT-PLUS no. 43 40 935P. 1 - 4
400 / 415 V 3 x AC Y 50/60 Hz
EXACT-PLUS np. 43 40 936P. 1 - 4
220 / 230 V 3 x AC