RNA GL 1 User manual

Rhein - Nadel Automation GmbH 1 Date: 14.04.2014
VT-BA-GL-GB
Operating instructions
Linear feeder
GL 1
GL 01
BA
Rhein-Nadel Automation GmbH

Rhein - Nadel Automation GmbH 2 Date: 14.04.2014
VT-BA-GL-GB
Contents
1 Technical data Page 3
2 Safety instructions Page 4
3 Construction and function of the linear feeder Page 5
4 Transport and mounting Page 5
5 Starting/Adjustment Page 6
6 Specifications for the design of the track Page 7
7 Maintenance Page 8
8 Stockkeeping of spare parts and after-sales service Page 8
9 What to do, if....? Page 8
Instructions for trouble-shooting
Declaration of conformity
as defined by
Low voltage directive 2014/35/EU
Herewith we declare that the product complies with the following provisions:
Low voltage directive 2014/35/EU
applied harmonized standards: DIN EN 60204 T1
remarks:
We assume that our product is to be integrated in a fixed machine.
Rhein-Nadel-Automation
--------------------------------
Managing Director
Jack Grevenstein

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Notice
All linear feeders listed in the table may only be operated in connection with a RNA control unit at a
mains voltage of 230V/50Hz. Special voltages and frequencies see separate data sheet.
1 Technical data
Linear feeder type
GL 01
GL 1
Dimensions L x W x H
in mm
245 x 58 x 100
400 x 105 x 100
Weight
in kg
3,8
8,7
Insulation type
IP 54
IP 54
Connecting cable length
in m
1,4
1,4
Power consumption (1)
in VA
120
173
Current consumption (1)
in A
0,6
0,865
Magnet nominal voltage (1)/Frequency
in V/Hz
200/50
200/50
Number of magnets
1
1
Magnet type
WZAW040X00D05
WZAW060X00D25
Magnet colour
black
black
Air gap
in mm
1,5
1,0
Vibration frequency
in Hz
100
100
Number of spring assemblies
2
2
Standard no. of springs
Number per spring assembly
2 x 4
2 x 5
Spring dimensions
Length (gauge for boreholes) x width
in mm
45(35)x25(15)
87(67)x20
Spring size
in mm
0,5
1,5
Quality of the spring fastening screws
8,8
8,8
Tightening moment of the spring fastening
screws
in Nm
8
35
Max. weight of the oscillatingunits (linear track)
depending on the mass moment of inertia and
required running speed approx.kg
in kg
approx. 1-2,5
approx. 2-4
Max. track length
in mm
400
600
Maximum useful weight of the linear feeder
in kg
3
5
(1) At special connecting values (voltage/frequency) see type plate at the magnet
Pin assignment
The bridge has to be installed in connection 3+4

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2 Safety instructions
The conception and production of our linear feeders has been carried out very carefully, in order to guarantee
trouble-free and save operation. You too can make an important contribution to job safety. Therefore, please read
this short operating instruction completely, before starting the machine. Always observe the safety instructions!
Make sure that all persons working with or at this machine carefully read and observe the following safety
instructions!
This operating instruction is only valid for the types indicated on the front page.
Notice
his hand points to information that gives you useful tips for the
operation of the linear feeder.
Attention
This warning triangle marks the safety instructions. Non-observance of these warnings can result in
serious or fatal injuries!
Dangers occuring at the machine
Make sure that the protector ground of the electric power supply is in perfect condition!
Operation of the linear feeder without trim panel is strictly prohibited!
Proper use
The intended use of the linear feeder is the actuation of conveying tracks. These are used for linear transport and
feeding of correctly positioned mass-produced parts, as well as for the proportioned feeding of bulk material.
The intended use also includes the observance of the operating and servicing instructions.
Please take the technical data of your linear feeder from the table "technical data" (see chapter 1). Make sure that
the connected load of the linear feeder, control unit and power supply is compatible.
Notice
The linear feeder may only be operated in perfect condition!
The linear feeder may not be operated in the explosive or wet area.
The linear feeder may only be operated in the configuration drive unit, control unit and oscillating unit, as specified
by the manufacturer.
No additional loads may act upon the linear feeder, apart from the material to be transported, for which the special
type is designed.
Attention
It is strictly prohibited to put any safety devices out of operation!
Demands on the user
For all activities (operation, maintenance, repair, etc.) the details of the operating instructions must be observed.
The operator has to avoid any working method which would impair the safety of the linear feeder.
The operator must take care that only authorized personnel works at the linear feeder.
The operator is obliged to inform the operator immediately about any changed conditions at the linear feeder that
could endanger safety.
Attention
The linear feeder may only be installed, put into operation and serviced by expert personnel. The

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binding regulation for the qualification of electricians and personnel instructed in electrical engineering is
valid, as defined in IEC 364 and DIN VDE 0105 part 1.
Attention:
Since the electromaget-field may have an impact on persons arrying pacemakers it is
recommended to keep a minimum distance of 25 cm.
Noise emission
The noise level at the place of operation depends on the complete equipment and the material to be sorted. The
determination of the noise level according to the EC-Regulations "Machinery" can therefore only be carried out at
the place of operation.
If the noise level at the place of operation exceeds the limit permitted, noise protection hoods may be used, which
we offer as accessory parts (see catalogue).
Applicable Directives and Standards
The linearfeeder has been built in accordance with the following directives:
EC Low Voltage Directive 2014/35/EU
EMC Directive 2014/30/EU
We assume that our product will be integrated in a stationary machine. The user is to observe the regulations of the
EMC Directive.
Please refer to the Declaration of Incorporation for the applicable standards.
3 Construction and function of the
linear feeder
Linear feeders are used for the actuation of sorting machines. The actuation takes place by electromagnets. The
following schematic diagram shows the function of a linear feeder:
The linear feeder is a device of the familiy of vibratory bowl feeders. It is, however, equipped with a linear conveyor.
Electromagnetic vibrations are converted into mechanical vibrations and are used for conveying material B. When
the magnet D, which is fixedly connected with the counter-mass F, is supplied with current, it generates a power
that, dependent on the vibration frequency of the mains supply, attracts and releases armature E. Within a period
of the 50 Hz of the A.C. network the magnet achieves its maximum power of attraction twice, as this is independent
of the direction of the current conduction. The vibration frequency therefore is 100 Hz.
A linear feeder is a resonant system (spring-mass-system). The result is that the adjustment made at the plant will
rarely meet your requirements. Chapter 5 describes how your linear feeder is adapted to your requirements.
Controlling of the linear feeder takes place by a low loss electronic control unit type ESG 90. The control unit of the
linear feeder is separately delivered. At its front panel it is provided with a 5-pole plug-in connection, by which it is
connected to the linear feeder.
The pin assignment of the socket is shown in the table "technical data" (chapter 1).
A Conveying track and oscillating weight
B Material to be conveyed
C Spring assembly
D Drive magnet
E Armature
F Counter-mass
G Vibration buffers

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Notice
Detailed information on the complete range of control units may please be taken from the operating
instructions for control units
All control units have got two main operating elements:
By the main switch the linear feeder is switched on or off.
By the turning knob the conveying caacity of the sorting unit is set.
Frequency controller can also be used for tuning vibratory linear feeders: Exact tuning instructions can be found in
our operating instructions for frequency control units.
4 Transport and mounting
Transport
Notice
Take care that the linear feeder cannot dash against other things during transport
The weight of the linear feeder is taken from the table „technical data“ (chapter 1.)
Mounting
The linear feeder should be mounted on a stable substructure (available as accessory part) at the place where it is
used. The substructure must be dimensioned in a way that no vibrations of the linear feeder can be carried away.
Linear feeder are fastened to the vibration buffers from below (part G in the general drawing chap. 3). The following
table give you a summary of the bore date of the various types:
Linear feeder type
Length in mm
Width in mm
Vibration buffer thread
GL 01
152
40
M4
GL 1
285
70
M6
Table bore data
Make sure that the linear feeder cannot come into contact with other devices during operation.
Further details on the control unit (bore plan, etc.) are please taken from the operating instructions of the control unit
separately delivered.
5. Starting
Preparations
Notice
Ensure that the frame ( stand, base, frame etc.) is connected with the ground wire. (PE) If
necessary, predection earthing on spot should be provided.
Check, whether
the linear feeder stands in an isolated position and does not come in contact with a solid body
the linear track is fixedly screwed down and adjusted
the connecting cable of the linear feeder is plugged in at the control unit.

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Attention
The electric connection of the linear feeder may only be made by trained personnel (electricians)! In
case modifications are made at the electric connection, it is absolutely necessary to observe the
operating instructions "control units".
The available supply voltage (frequency, voltage, output) is in accordance with the connection data of the control
unit (see type plate at the control unit).
Plug in the mains cable of the control unit and switch on the control unit by the mains switch.
Notice
At linear feeders which are delivered as a completely adjusted system, the optimal conveying capacity
is already set in the factory. It is marked on the scale of the turning knob with a red arrow. In this case
set the turning knob to the marking
The optimal operative range of the linear feeder is at a controller position of 80% at the control unit. In case of
higher deviations (

15%) a new adjustment must be made.
Adjustment of the running behaviour
Notice
At first a rough adjustment of the conveying speed (adjustment of the natural frequency must be made.
After that the adjustment of the running behaviour. Finally you adjust the conveying speed (natural
frequency).
In order to convey the material with its highest (maximum) conveying speed, it must optimally rest on (in) the track,
which means that the vertical amplitude should be zero, if possible. At long tracks the vertical amplitude can be too
high, owing to the deflection of the track. The material to be conveyed then makes little jumps on the track and
cannot be transported at all or only with low speed.
In exceptional cases it may become necessary to compensate the fluttering of the track at the ends by modifying
the counter-weight. In case the workpieces make little jumps at the discharge side or in case the material to be
conveyed runs backward, the counter-weight must be increased (stepwise by approx. 50 g). In case the workpieces
make little jumps at the feeding side (magnet side) or if their is no conveying movement at the discharge side, the
counter-weight must be decreased.
Adjustment of the natural frequency
In case the linear feeders are delivered without track, they has been adjusted in the plant to average weights of the
oscillating elements. In order to guarantee an optimal conveying behaviour, the linear feeder must be adjusted to
the definite operating conditions.
The adjustment is made by adding or removing leaf springs and washers.
First check, whether the right control unit (frequency, voltage, power supply, (see table "technical data" in chapter
1) has been connected.
Carry out the following steps:
Screw off the side panels. Tighten all spring fastening screws and track fastening screws. Please take the
tightening moments of the spring fastening screws from the table technical data (chapter 1).
Check, whether the magnet corresponds to the specifications in the "technical data" (voltage, frequency).
Measure the magnet-air gap. In case it differs from the specifications in the "technical data", adjust it correctly.
Fill the tracks with material to be conveyed and turn the turning knob of the control unit to 90 % of the conveying
capacity.
Loosen a fastening screw at one of the spring assemblies
(approx. 1/4-1/2 rotation).
While the spring fastening screw is loosened, you can see a change in the conveying speed.
The following graphic chart shows the resonance curve of a linear feeder:

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Notice
The resonant frequency of the linear feeder may not correspond to the mains frequency
In case the conveying capacity decreases after loosening the spring fastening screw, proceed as described under
point 5.1.
In case, however, the conveying capacity, increases, proceed as described under point 5.2.
Notice
The adjustment is, however, more easy with an electronic frequency converter, which you can buy from
our range of accessory parts.
The linear feeder should be adjusted that the required conveying capacity is achieved at a controller position of
approx. 80% at the control unit.
5.1 The conveying speed decreases?
Mount additional springs (with distance plates). Start with one additional spring (with washer) at one spring
assembly. In case the conveying speed still decreases, although an additional fastening screw is loosened,
install one additional spring in each individual spring assembly (one after the other).
5.2 The conveying speed increases?
Remove the springs. First remove one spring (with washer) from a spring assembly. In case the conveying speed
still increases, although an additional fastening screw is loosened, remove one spring from each individual spring
assembly (one after the other).
Notice
The side plates must always be mounted for test runs
Notice
At a turning knob position of 100 % at the control unit and correctly adjusted magnetic gap the magnet
may not dash against the armature when switching on the device.
The aim of the adjustment is:
If the required conveying speed is achieved at a controller position of 80 %, the conveying speed must always
decrease when the spring fastening screw is loosened.
Notice
Take care that the number of springs per spring assembly does not differ by more than 2-3 springs.
After removing and mounting of the leaf springs the linear feeder must be readjusted.
Adjustment of the linear feeder type GL 01:
Tighten the spring fastening screws with the specified tightening torque (see "technical data" chapter 1). Control and
keep to the mounting dimension (oscillator height) of 85 mm at all four edges of the linear feeder. Before starting
the side plates must be mounted.
A Conveying speed
B Resonant frequency of the system
C Resonance curve (not true to scale)
D Spring power

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Adjustment of the linear feeder type GL 1:
For the adjustment of the oscillator in parallel to the counter-mass four leaf springs are included in the delivery.
These leaf springs must be inserted between the spring assemblies and the distance cams (one each above and
below). After that the spring fastening screws must be tightened with the specified tightening torque (see "technical
data" chapter 1). Before starting the distance springs must be removed and the side plates must be mounted.
6 Specifications for the design of the
track
The projection of the track in longitudinal direction towards the oscillator should be at a ratio of 1/3 feeding side to
2/3 discharge side.
The tracks must be of solid construction. upright beams with a high moment of resistance are to be preferred (U-
beams, rectangular tubes, etc.).
Especially tracks for thin material as eg. stamped metal parts, etc. should be manufactured with the greatest
possible clearance between material to be conveyed and cover. Here it must, however, be guaranteed that the
material to be conveyed does not run one piece on top of the other or becomes wedged together.
The track should be located in the middle of the oscillator. By no means it may be installed in a way that one side
projects over the oscillator.
7 Maintenance
The linear feeders are generally maintenance-free. They should, however, be thoroughly cleaned when they are
considerably dirty or after fluids have been spilled over them.
For that first unplug the mains plug.
Remove the side plates.
Clean the inside of the linear feeder, especially the magnetic gap.
After mounting the side plates and plugging in the mains plug, the linear feeder is ready for operation again.
8. Stockkeeping of spare parts and
after-sales service.
The range of the spare parts available may be taken from the separate spare parts list.
In order to guarantee quick and faultless handling of the order, please always state the type of equipment (see type
plate), number of pieces needed, spare part name and spare part number.
You will find a list of our service addresses on the back page of the cover
9 What is to do, if...
Instructions for trouble-shooting
Attention
The control unit or the connecting terminal box may only be opened by an electrician. Before opening
the a.m. devices, the mains plug must be unplugged!

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Trouble
Possible cause
Remedy
Linear feeder does not
start when being switchen
on
Mains switch off
Mains plug of the control unit is not plugged in
Connecting cable between linear feeder and control
unit is not plugged in
Fuse in the control unit defective
Switch on the mains switch
Plug in the mains plug.
Plug in the 5-pole plug at the control unit
Replace the fuse
Linear feeder vibrates
slightly
Turning knob at the control unit is set to 0%
Wrong vibration frequency
Attention:
in case a linear feeder for 6000 vibrations/minute is
operated with a 5-pole plug without bridge, the
control unit and the magnet is in danger!
Set the controller to 80%.
Check, whether the code in the plug of the
linear feeder is correct (see type plate and
"technical data" (chap. 1)
After a longer operating
time the linear feeder
does no longer come up
to the conveying capacity
required
Fastening screws of the linear track have worked
loose
Screws at one or two spring assemblies have
worked loose
Magnetic gap misadjusted
Springs are broken
Oscillator has displaced itself towards the counter-
mass
Retighten the screws.
Tighten the screws (tightening torques see
"technical data" (chapt. 1)
Replace the broken springs
Readjust the oscillator
(see chapt. 5)
Linear feeder produces
loud noise
Fastening screws of the side plates have worked
loose
Foreign bodies in the magnetic gap
Retighten the screws
Switch off the linear feeder and remove the
foreign bodies, after that check the magnetic
gap adjustment
Linear feeder cannot be
adjusted to a constant
conveying speed
The spring constant of the oscillating system has
changed. The linear feeder works close to the
resonance point
Readjust the linear feeder. Springs must be
removed. See chapt. 5, adjustments