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Greek customers bought 32 heads multihead weighing machinery mixed granules scale filler
Published by: PENGLAI INDUSTRIAL CORPORATION
Date:2024-04-30 18:04:26

Our Regular customers from Greece (Saudi Abaria) placed another order on one(1*) pcs of machines: Model No.YX-A32-2-5 granules mixing filling machine for different granules and filling materials.
For all the machines purchased it is clear to confirm all the information on the products so we often ask our customers to freight the samples to test and commission the machines in order that the machines and customer's products gains the best compatibility and adaptability.
After getting the confirmation &samples of the product in sizes and drawing for manufacturing granules filling machine customized multihead weigher machine
we spent only 35 working days finishing everything and made the machines ready after testing them in a satisfactory feedback.
Recently our customers sent us the positive commentar on the machines which keep running very well in their factory ever since the machines arrived their factory.
The machines was shipped via DHL  courier to Thessaloniki-Kalochori, Arkadiou 6, 57009 Thessaloniki, Greece  . The documentaries certificated with ISO&CO&CE together with other files necessory are sent via DHL to customer for assisting customers to clear the custom.

As below there listed the basic information on the successful transaction between PENGLAI and their Greek counterpart:

Purchased order issued &Key communiction points During Business Discussion:
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Purchased order via mail conversations (2).jpg

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Purchased order via mail conversations (4).jpg

Machine building requirements.jpg
Samples sent from customers in South Europe
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(NOTICE: after communications with customers we spent 1500$ buying the granules like rice chestnut peanut etc in China market for testing

the machine)

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Bank copy of Down&balance payment for purchasing 32 Heads filling machine:
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Machine building requirements.jpg

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bank copy final payment.jpg
Testing videos on Model No.YX-A32-2-5 granules mixing filling machine


Wooden case packing of 32 heads multihead granules mixed filler equipment:

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As follow there given the description on the machines purchased respectively

The machine is customized with the special requirements from our customers.

1. Machines customized points for customers special requirements

 

2.Drawing of machine multihead weigher filler

 

3.Basic parameters of multihead weigher machine

 

4.Application of multihead weigher filler

 

5.How to operate the multihead weigheR

 

6.Calibration of the scales

 

7. How does the multihead work

 

8.Factors to decide how to choose the multihead weigher

 

9.Trouble shooting for multihead weigher machine

 

The points agreed are listed as below in both chinese and english:

MULTIHEAD MIXING WEIGHER PROJECT

materials feeding for testing 32 heads weighing filling nuts

multihead weigher system 32 heads filler.jpg

• For this project  ID Code: A32-2-5. Average speed of this project  20-30 pcs/min, weighing range 10-2000gr, average accuracy 3-5 gr. Single product (such as almonds, shelled peanuts etc.) with weight around 400g, speed 35pcs/min or so.

• Equipped with timing hopper and Y tube.

• 1/4 of the weigher(8 hoppers) comes with dimpled plates, as well as the relevant hopper, feeding trays and Y tube.  Dimpled parts as below

• Capable of working with any packaging machine supporting 4-wire control.

• Capable of mixing from two up to seven products with the help of three auto counters.

• Recipe creation and modification is allowed depends on the actual situation as discussed in the email.

• The weigher will work with either packaging machine or the jar line where signal communication happens at either side of the Y tube.

• The max distance between premade bags packaging machine and the jar line is 80cm.

• The conveyor belts will be equipped with sieve.  The sieve will be 200mm length. The diameter of the holes for the sieve will be 4mm. A removable covering plate under the sieve, when the sieve is not needed, you can install the plate on.

• The three auto counters drop the product to any of the 32  hoppers

• The weigher can work with either none, one, two or three auto counters depending the recipe.

• The weigher can work with a single product as plain multihead.

•  No Chinese writing on the machines. Language select on HMI will be English and Chinese.

•  The buckets of the elevators needs to be blue.

Drawing of multihead weigher 32 heads filler:

32 heads multihead weighing machinery.jpg

bird view of multihead weigher.png

(The multihead weighing filling system can be integrated with the filling labeling line for fully automatic packaging application)

drawing of nuts filling line.jpg

 

 

Specification of multihead weighing filling machine: 

materials feeding for testing 32 heads weighing filling nuts

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Model# YX-A24-2-1 YX-A24-2-2 YX-A32-2-1 YX-A32-2-5

Voltage AC220V  AC220V  AC220V  AC220V

Power Frequency 50~60HZ 50~60HZ 50~60HZ 50~60HZ

Required current 10A 10A 15A 18A

Power 2.2KW 2.2KW 2.5KW 2.5KW

Heads 24 24 32 32

Mixing kinds 4 3 4 4

Max weight 1600g  1350g 1600g 3.2kg

Single weigh range 400g  450g 400g 800g

Weigh Volume 0.5L 0.5L 0.5L 1.6L

Max.weigh speed 60 60 60 60

Preset program 100 100 100 100

Machine size(L) 1286mm 1286mm 1554mm 2277mm

Machine size(W) 1286mm 1286mm 1554mm 2277mm

Machine size(H) 1574mm 1574mm 1711mm 3144mm

Gross weight 400kg 400kg 850kg 1350kg

Application of 32 head mixing weigher:

Multihead weighers were used initially for weighing certain vegetables. Their use expanded exponentially in the 1970s and 1980s when they were applied to the rapid weighing of snacks and confectionery into bags. What cherry tomatoes and crisps had in common was that they flowed easily through the machine and into the pack,

with no more encouragement than gravity and a moderate level of vibration of the feeders. Since then, the accuracy and relative speed have been extended to many products which would in the early days of the technology have been seen as difficult to handle.

nuts kernel for multihead weighing system.jpg

Usually candy, snacks, nuts and legumes, seeds, grains, rice, sesame seeds, seeds, herbs, cereals, seasonings,
fertilizers, feeds, herbs, 4 or 6 product mixes are weighed and packaged.

Sticky products

Fresh meat and fish, whether in a sauce or not, poultry and cheese (including grated cheese) can be moved along by using belts or screw feeders rather than vibration.

Granules and powders

While free-flowing, fine-grained powders can be weighed more cheaply by other means (such as cut-gate or linear weighers, or volumetric feeders), granules such as coffee granules and products such as loose tea can be weighed on today’s multiheads.

Fragile products

Weighers with more shallow angles of descent and various cushioned inserts have made it possible to pack delicate and brittle items such as hand-made chocolates and gourmet biscuits. These are often paired with baggers or other packaging systems designed to handle fragile products.

Complex products

Using mix-weighing combined with a distribution system tailored to deliver separate components into a tray, a ready meal can be assembled with just the right quantities of, say, rice, meat and vegetables in the appropriate compartments.

2nd generation mixing weigher characteristics£º

packaging machine for granules.jpg
1.Module control£¬CAN bus communication between motherboard and module board,each module only receives actions and commands output from motherboard and complete action by module itself,which saves CPU processing time and improve the efficiency of data processing£»When module failure, there is alarm,easy to maintenance.
2.Machinery: Universal small hopper, not only reduces the overall size of the structure, but also enhanced compatibility with mini weigher.
New designed machine cabinet contributes to machine running more stable and higher accuracy.
Machine cabinet is in compatibility design,single material weighing and many kinds material mixing weighing structure is interchangeable.

How to operate multihead weighing filling machine 32 heads weight filler:

►Please read the manual carefully before operation:
1.Environmental requirements£º
1)Temperature:0~40°C;
2)Humidity£º35-85%£»
3)Power£ºAC 220±5V  50/60Hz£»
4)Installation place£ºOn rigid, horizontal and no vibration surface£»
5)Earth line£ºMake sure the machine is connecting effectively to the earth;
6)Keep away from the disturbing sources;
7)Food packaging should be operated under aseptic and non-dust environment.
2. No bumping or strong pressures on weigh hoppers.
3. Check and empty the rest product inside the machine before running.
4.  Empty hoppers before running.
5. Turn off the power before repairing and cleaning the machine.
6.  When electronic part fails, non-electronic-engineer is prohibited to repair the machine.
7.  Be careful and cautious when cleaning and repairing the machine, because there is certain distance between the weigher and the ground.
8.  Direct current for the connection signals with other equipment (packing machine, conveyor, etc.), should be no more than 30V, the overloading current should be no more than 100mA.
9.  It is prohibited to touch the hopper while the machine is running.

 

COMBINATION

combination of multihead weigher.jpg
The machine CPU will process the weight data received from each Weigh hopper, and calculate out numerous qualified combinations which comply with the target weight, then choose the best one to discharge.£¨chart 3—3—1£©
1.The parameters related: ‘AFC’, ‘MAIN AMP’, ‘LIN AMP’, ‘AV COMB HPS’, ‘SGL HP WGT’.(Refer to 6.2 parameter setup for details)
AFC0£ºThe bigger ‘Main AMP’ (Main VB Amplitude) and ‘Lin AMP’ (Linear VB Amplitude) are, the heavier weigh hoppers are.
AFC1£ºThe bigger ‘AV COMB HPS’ is, the lighter Single Hopper Weight is.
AFC2£ºThe bigger ‘SGL HP WT’ is, the heavier each hopper weight is.
2.The parameters related with combination: “OPTIMUM”, ‘Combined Hoppers’.
    OPTIMUM£ºthe bigger this value is, the higher the accuracy is. As shown in chart 3-3-1, if the ’OPTIMUM’ is 98, then the best combination ‘6’ will be selected and there is no need finding other combinations.
   Combined hoppers£ºThe bigger this value is, the higher the pass rate is. As shown in Chart 3-3-1, if there is no qualified combination weight, and if the actual combined hoppers number ≥ ‘Preset Combined HOPPERS’,

then it will be forced to discharge in order to increase the whole running continuity. If the actual combined hoppers number ≤ ‘Preset Combined HOPPERS’, then it will wait for the discharged hoppers to make combination again

HOPPER INSTALLATION

1.  As below photo shows,hold the hopper outer edge with right hand,Hopper is adjusted to  slightly higher external,first put the fixed link 1 into hopper hanger slot and keep the position,rotary with Fixed link 1 as center and rotary downward,then the fixed link 2 can go into the slot,and hopper should be in horizontal.Please be careful not to press strongly or will damage the load cell.

After installation completed is as follows:

4.3.2 LINEAR VIBRATION PAN INSTALLATION
Waterproof vibration pan: As shown in Chart 4-3-2, loosen the locking handle, and then insert slanting section “a” of the feeder pan into section “b” of the vibrator. Level the feeder pan and tighten the locking handle.

NOTICE: Each Linear Feeder Pan should be well installed without bumping with each other.

CALIBRATION

 

In main interface touch calibration menu to enter calibration page.
calbration.jpg
                             calibration
Digital Load cell weighing test
1.    "A¡¢B¡¢C¡¢D" represents main vibrator of “weigher A,weigher B,weigher C,weigher D” .
   1£­24 represents Hopper No.1£­24 actuator.
2.    Press the number keys of the weigh hopper, then display the current weight of weigh hopper quickly.Observe the zero point is accurate or not, if not display 0.0 please zero the load cell first (Refer to Digital Load cell zero).
3.    Put the weight in the weigh hopper ≤ 1000.0g of standard weights, observe the display weight is consistent with the actual weight or not, if not please do initial calibration of the load cell (Refer to Calibration of digital load cell).

  Digital Load cell zero
Press the number keys to weigh hopper, the middle will display the current weight of the weighing hopper quickly. Ensure that there is no material in weigh hopper and then press the "ZERO" key to clear load  cell,it should display 0.0. If still appear large range of deviation or floating, shall require an initial calibration for load cell (Refer to Calibration of digital load cell).

Calibration of digital load cell
1)    Empty all material of weigh hopper at first
2)    Enter‘Calibration’and select hopper No.to make calibrate.
3)    Press 'zero' for load cell zeroing, after finishing there is a notice “Please put 1KG standard weight in the weigh hopper, and then press “ FULL” to confirm”.
4)    Put 200g/1000g weights in the weigh hopper, press '200g' or 'Full' button for about 3 seconds,and then display the calibration results (200/1000) g.
5)    Test with a different standard weight (e.g. 500g), put it into the weighing hopper, the display area will show the corresponding value, then calibration successful completed; If the deviation is bigger than 0.3g then require re-calibration.
6)    Confirm the calibration is successful, then make calibration for next load cell according to the above steps (2-5) to operate.
7)    Memory Cal/Memory Calibration:Select bucket number and press this button, it will automatically recovery the last calibration results without putting weight.
8)    Main vibrator calibration: Press "A" "B" “C” or “D” to select “weigher A,weigher B,weigher C,weigher D” main vibrator, and then press 'zero' button after load cell cleaned, there is a notice ' Please put 200g/1000g standard weight in the weigh hopper, and then press “ FULL” to confirm”.Then put 10kg weight on the main vibrator pan and then press the “full” button about 3 seconds, and then display the calibration results(10),unit is 1kg.If you take away the 10kg weight,then displays 0. If the deviation is too large then require re-calibration.(Note: It’s suitable for machine main vibrator with weighing load cell)
   Note: The calibration operate must be in the environment without no wind and no vibration.

How does the multihead weigher work?

how multihead weigher works.jpg

A ‘typical target’ weight per pack might be 100 grams of a product. The product is fed to the top of the multihead weigher where it is dispersed to the pool hoppers. Each pool hopper drops the product into a weigh hopper beneath it as soon as the weigh hopper becomes empty.

The weigher’s computer determines the weight of product in each individual weigh hopper and identifies which combination contains the weight closest to the target weight of 100g. The multihead weigher opens all the hoppers of this combination and the product falls, via a discharge chute, into a bagmaker or, alternatively, into a distribution system which places the product, for example, into trays.

Dispersion is normally by gravity, vibration or centrifugal force, while feeding can be driven by vibration, gravity, belts, or screw systems.

An extra layer of hoppers (‘booster hoppers’) can be added to store product which has been weighed in the weigh hoppers but not used in a weighment, thus increasing the number of suitable combinations available to the computer and so increasing speed and accuracy.

What factors to consider when choosing a multihead weigher:

You should consider many factors when selecting a multihead weigher for your plant. Each system incorporates unique features to make them more compatible with specific product types or objectives. We’ve listed the most significant below.

1.Number of heads
A multihead weigher may include many weigh buckets (known as heads), usually 10 to 32+. The more heads you have, the faster the systems works out the best combination to meet the total weight target. This also increases the accuracy of weighed portions in one go.

If you are trying to process large amounts of bulk product quickly, having more weigh heads will increase speed without losing accuracy.

2.Surface types
Depending on the consistency of the product you are processing, there may be additional features required to enable it to be weighed efficiently.

Dimpled surfaces may need to be added to weigh buckets to make it easier for sticky products (such as confectionery and fruit) to move through the production line. Smoother surfaces will work best for dry products.

3.Vibration
Alongside the surface type, the amplitude and duration of vibration used to distribute the product will need to adjust to the materials you are using.

Sticky products will require more vibration to encourage the product to travel. As dry products tend to be more free-flowing, minimal vibration is required to move them. This also accommodates the careful handling of delicate products.

Consider the products you will be using in your multihead, as this will enable you to ensure you have the right features for maximum compatibility and results.

4.Bucket size and shape
If you are processing bulky products, you will want a weigher with bigger buckets as it enables you to weigh more in one period. This is also applicable if you need to fill larger containers.

Alongside the size of your weigh buckets, you need to consider the shape. This will largely depend on your requirements.

Polygon-shaped buckets or rounded corners are easier to clean, making them useful for sticky substances that require cleaning between batches. This may also help you to achieve specific hygiene targets in your plant. For drier products, standard buckets should suffice.

5.IP rating
IP ratings classify to what extent a machine’s mechanical and electrical components are resilient against water, dust, and other intrusions. If you are working with sticky products, or you need to regularly clean your weigher to meet compliance standards, you need to ensure the IP rating is sufficient.

An IP rating will typically have two numbers – the first referring to the protection against dust or solid objects and the second referring to protection from liquids. In both cases, the higher the number, the more durable that system is.


You typically do not want to go any lower than an IP54 rating if working with food (and even that will be insufficient for many environments). If you aren’t working with sticky substances but need to wash down equipment, you will probably need a minimum of IP56.

For products with a liquid consistency, requiring in-depth cleaning between uses or harsher environments (such as frozen foods, fresh produce and so on), you will need a much higher IP rating – such as an IP65, 66 or 67. This will enable you to process the materials you need without compromising the longevity or performance of the weigher.

6.Maximum weighing range
A point of comparison between multihead weighers will be the maximum capacity it can handle at any one time. Some machines will be designed to hold larger volumes, and factors like the size and number of heads influence this.

If you work with bulky produce or need to process significant amounts of product in a single-use, you will want a higher weighing range. You will need to account for the maximum volume that can be weighed, the weight per load cell and the range available in a single discharge, as this will inform you how quickly you can expect to process your output to meet targets.

7.Speed
Speed is another feature you will use to identify the best weigher for you. The faster the weigher can process output, the quicker your turnaround times are. This will be particularly beneficial when working with extensive volumes.

To determine the speed, review the weighs per minute of any machine you look at. The higher this is, the faster it will operate.

When working with fragile products, you may need to compromise on speed to enable delicate handling. The key is understanding your materials and ensuring any weigher caters to their unique requirements.

Trouble shooting of multihead weigher:

Failure    Possible Reason    Check & Solve 

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During machine running ,machine suddenly restart    1.Power supply connection  is not well.    Check the power plug connect well or not
    2.Motherboard DC9V contact is not well    Check if there is insulating material leading to poor contact
    3.Switching power supply has quality problem    Use tools slight knock DC9V power£¬this action accelerate problem expose
Suddenly no products discharge when running    1.check touch screen whether combination ready    Be Lack of materials,feed hopper is in action(feeding),please add the materials
    2..Request signal whether input    View the signal request indicator light in the motherboard,judge whether have request signal input(Light on means has single input)
    3.All hopper display R in touch screen    program setup(Min HP WT%≥10)
The difference between the displayed WT and the actual WT is too big    1.Zero floating too big    1.No wind environment
        2.Frame contact surface horizontal or not
        3.Modular,load cell grounding connect or not
        4.Increase filter
        5.Switching power supply has quality problem
    2.actual WT is overweight    1.Setup Correct WT as a positive value
        2.Find a suitable place to re-calibration
    3.actual WT is less weight    1.Setup Correct WT as a negative value
        2.Find a suitable place to re-calibration
    4.Clamp the materials  in the hopper     1.Increase hopper delay time
        2.Increase hopper open time
        3.Select low speed motor mode
    5.with something on hanger of weigh hopper    1..Check weigh hopper touch with other object or not
        2.Check the inner of weigh hopper with objects or not
    6.Program setup    1.Increase sample filter stable time
        2.Reduce filter coefficient
The weakness to open hopper (Alarm code 4 & 6)    1.Motor model(This situation should be weakness to open doors for all hopper)    1.In the motor mode reduce speed value in the Init. Move DRCT front segment(20-40)
    Motor or modular problem(Single motor without effect)    1.check the plug between motor and module connect well or not
        2.Make the failure Motor switch to another module board observe whether it is normal or not.
        3.If meet the above 1& 2 conditions,means there is problem of module board, need to replace it.
Hopper noise    1.1.Hopper close too  fast    In the motor mode setup interface reduce speed value of Return Move DRCT back segment(60-80)
    2.The lag of hopper close action    the Hopper activities bearing sleeve and bearing is too tight, you can add the right amount of lubricant
    3.There is residues material on the hopper     The hopper can not back to home position, leading
to the delay of self-locking draw bar action,
seriously can lead to self-locking failure1.
Hopper continuous action (Alarm code 3¡¢5)    1.the failure of motor photoelectric detection    1.Photoelectric detection cable whether connected correctly
        2.Check whether the corresponding photoelectric switch works normal
HMI Failure     1.Touch screen display position does not correspond to touch position     Enter into system setup to recalibration the screen
    2..Touch screen can’t enter Logo interface, appear black screen    1.Check Motherboard DC24V of J101 whether normal or not
        2.If there is voltage, but the voltage is wrong.At first,take off the communication line of motherboard and HMI and then measuring the voltage,if normal,there is short circuit of HMI or communication line;If voltage abnormal,remove the motherboard at J101 wiring, measuring voltage, if normal, then a short circuit board (need replace motherboard )
        2.24V switching power supply current is not enough£¨about 2A£©
    stay in the logo interface only, the button without respond    1¡¢Whether the wire of touch screen connection reliable or not
        2¡¢Whether the motherboard J402 plug connection reliable or not
Discontinuous discharge    1.Waiting for feeding and recombination    1.the materials thickness is not enough
        2.Amplitude is too smaller
        3.the up and low deviation is too small
        4.The target weight is large,the compossibility is poor.
        5.too many hoppers appear L and no combination
    2.Waiting for the last working hopper to make combination together    1.the up and low deviation is too small
        2.the setup of combination hopper quantity is too many
         3.Material thickness is not enough, feeding not enough, resulting in an average number of combinations is too large
        4.The materials not easy to flow
 pass rate displayed is low
    1.  Material is uneven    1.  The speed of feeder feeding is not fast
        2.   Feeding is uneven,can setup No product pause time to solve
    2.Average combination hopper is too big or small    1.AFCT average combination hopper setup 3.5
        2.AFCW Single weight rate 30%
    3.The setup of participated combination hopper is too smaller     Setup the participated combination hopper bigger can improve display accuracy but have an effect on speed
Load cell can’t make calibration£¨Alarm code 7¡¢8£©    1.The problem of load cell    1.Millivolts profile measuring circuit of the load cell  voltage between I + and I-  (≥ 10mv, the load cell broken)
        2.Load cell wire (red, blue white and black) with shielded wire short circuit
    2.The problem of module    1.Software communication error, restart the machine, re-calibration
        2.Modular board failure(need replace£©
CAN communication failure(Alarm code 9¡¢10)    1¡¢serial number modules communication error               Check CAN bus is normal or not,resistance between H, L line is about 60 ohms or not.
    2¡¢Single module communication Error    1.Module address is correct or not ,or any conflict
        2.Conform to the above conditions illustrate the problem of module ,need replace
    3.All the module communication Error    Conform to the above conditions illustrate the problem of motherboard, need replace
Alarm code 11    Module sometimes power on sometimes power off    Check whether the 9V power supply wiring well or not
Alarm code 12    Module software reset    Whether all the module appears alarm,if yes,means there is the problem of software
        If only single module alarm means hardware failure,need replace
Alarm code 13¡¢14¡¢15    The communication
failure of Motherboard and module    1¡¢Check The version of Motherboard and module is correct or not
        2¡¢Check CAN bus is normal or not,resistance between H, L line is about 60 ohms or not.

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