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PFM Packaging Machinery news... |
New multihead weigher Series-C²
The NEW Series-C² is a combination Multihead weigher designe to weigh, at high speed and with extreme precision, various types of products. The working principle is based on the distribution of the product onto weigh buckets and on the identification of the best discharged combination, which is reached through an algorithm of combinatorial calculation, in order to obtain the best possible speed/precision relation. The Multihead weigher is subject to a mechanical customization based on the specific characteristics of product.
Number of weigh heads: 8-10-12-14-16-20-24.
Precision of weighing: 0.1 - 1.5 gr. ( depending on type of product).
Protection degree: IP65. (Total protection against dust. Protection against water jets coming from any directions. Fully washable and condensation resistant).
Operation: stepper motors.
MECHANICAL AND TECHNICAL CHARACTERISTICS:
1. Tubular frame in Stainless Steel AISI 304, continuously welded, designed without hidden or half-closed zones and studied to make the cleaning operations easy to avoid any growth of bacteria. There’s only one IP65 electrical panel, manufactured in Stainless Steel AISI 304, with internal positive pressure.
2. Central vibrating cone, fitted with load-weigh, to evenly distribute the product to the vibrating channels. The required level of product over the cone is set through the HMI. The system interacts with the feeding system (product elevator and/or feeding vibrator) in order to create constant flow of product, not an "ON-OFF" operation (like traditional systems using a photocell) .
3. Vibrating Bases manufactured with the magnet coated with special thermo protective resins. Each base is calibrated on the basis of the customer's product.
4. Vibrating channels manufactured in Stainless Steel AISI 304 and customized with the characteristics of the product. They can be easily removed and are interchangeable.
5. The Weighing Head (segment) is completely extractable, interchangeable and complete with direct electrical connector. The segment contains N.2 step motors for the opening/closing of the buckets as well as the step motors drive card and the data acquisition module. Each segment is light, watertight, corrosive agents resistant, manufactured in food grade material and its construction limits the formation of condensation.
6. Load-weigh of last generation. It is very accurate with a compact design and it includes a compensating system for the thermal variations. It includes a mechanical anti-stress system (end of run) that acts both vertically and on torsion.
7. De-humidifier positioned inside the weigher body. This system can be set to run at any given time during production and when the weigher is switched off too. It removes most of the humidity through an air re-cycling system in order to avoid the formation of any condensation which is linked to the relation between the relative humidity and the temperature of the working environment.
8. Top cover manufactured Stainless Steel AISI 304.
9. Pre-dosing buckets, manufactured in Stainless Steel AISI 304, where the opening/closing is carried out by step motors. The opening/closing speed can be programmed, as well as the acceleration/deceleration ramps.
10. Weighing buckets, manufactured in Stainless Steel AISI 304, where the opening/closing is carried out by step motors. The opening/closing speed can be programmed, as well as the acceleration/deceleration ramps.
11. All product contact parts are manufactured in Stainless Steel AISI 304, rigidized finishing.
SOFTWARE/HARDWARE CHARACTERISTICS:
A sophisticated yet user friendly Operating Software that includes:
AVC System (Automatic Vibration Control). It automatically adjusts the best operating sequence in terms of amplitude and vibration time so that the exact quantity of product requested by the system is dropped into the Pre-dosing buckets.
ARC System (Automatic Random Control). The multi head weigher automatically sets the weight diversification inside the weighing buckets in order to find the best weights combination and therefore improve the speed/accuracy ratio.
ADC system (Automatic Drop Control) It is possible to activate it to enable the weigher automatic regulation for the optimum number of buckets used for the discharge. This Function is associated to ARC function.
Vibcontrol Device for the control of the vibration amplitude of the central cone or of the superior vibrating feeding channels in relation to the quantity of product. This system is particularly useful for sticky and non-free-flowing products.
EVA System (Environment Vibrations Annulment) for the environmental low frequency vibrations.
The AVC, ARC, ADC and EVA systems, together with the Vibcontrol Device operate at the same time. They are software systems developed to simplify the use of the weigher and increase its efficiency and speed/accuracy ratio.
DSC (Drop Sequence Control) allows for the consecutive opening of the buckets for the same drop to avoid the obstruction on the forming tube.
Production Statistics complete with all the necessary data.
Possibility to connect the weigher to an Ethernet network (optional) to display, download and print statistic data, to send/receive various operating settings and software and for the “tele-service” via internet.
Compact flash card to memorize upload/download software, settings and updates.
The hardware configuration is Can-Open type. (A CAN open field network is a network that use the serial communication protocol that has the same name and is distinguished by its high reliability and high transmission speed).
The HMI display is a 10,5" active matrix colour touch screen. Standard languages: Italian, English, French, Spanish, Russian, Polish.
MODE OF OPERATION:
The operator sets the parameters related to the weight, upper/lower limits, productions speed and central distribution cone.
The Multihead weigher then automatically adjusts:
The best amplitude and time of vibration of each vibrating channel.
Diversification of the weight among the buckets.
The optimum number of buckets used for the drop.
The EVA System is always activated and adjustable.
The Vibcontrol (if present) maintains constant the product flow on the vibrating channels.
The multihead weigher self-adapts to the ever-changing environmental conditions and all the "self-learned" parameters are automatically saved on the specific recipe.
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PFM Packaging Machinery Spa
Via Pasubio 49, 36036 Torrebelvicino (Vicenza) Italy.
Tel +39-0445-570110
Fax +39-0445-570175
Cod. Fis. e Partita I.V.A. 00171090244
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