mta® volumetric dispensing solutions
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SOLDERING & DISPENSING Volumetric dispensing Solutions

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From concept to turnkey solutions Unitechnologies SA, with its mta® brand, is an expert in small quantity volumetric dispensing processes based on standardized platforms. The product range includes components, standalone systems, semi-automatic table-top robots and entirely automatic production cells or lines. Thanks to a complete infrastructure, trials can be carried out on samples using all proven mta® dispensing techniques in the company’s test laboratories. Once the mta® technique has been validated, a detailed quotation is established with the proposed standard machine adapted to the...

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Volumetric dispensing The mta® high-precision volumetric dispensers offer the most accurate volume control available in the fluid dispensing industry. They enable perfect repeatability of micro-volumes to be dispensed starting with 0.1 mm³. The pumping unit maintains accuracy in the most demanding of circumstances independently from changes of temperature, viscosity or deposit size. The mta® dispensers are based on a piston that moves within the dispensing chamber to deliver an exact quantity of fluid through the nozzle. The working principle is described on page 5. Deposit of...

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Pump working principles The basic working principles of the pump combines a linear movement to define the quantity of material to be dispensed (see 2 and 4 in the picture on the right) and a rotating movement (see 3 in the picture) to transfer the material from the pump input to its output. The accurate pump assembly can be divided into different leak rates in order to be perfectly adapted to different types of material characteristics. This solution is highly precise and always volumetric. Picture legends: 1. Home position, 2. Filling stroke, 3. Rotation, 4. Dispensing stroke and snuff...

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Dispensing techniques Numerical dispensers - utomatic volumetric dispensing of mono-component (NVD) and twoA component (NBD) liquid or viscous products down to small volumes - Intended for gluing, potting, coating and greasing processes - Simple setting of dispensing parameters via numerical controller - Piston and cylinder made of ceramic - No seals in the piston-cylinder system - Material pre-heating possible *mta® mixing device for the NBD two-component dispenser: - Mixing by dynamic or static mixer - Low-volume dynamic mixing chamber - Programmable mixing ratio Technical specifications...

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Dispensing techniques Continuous flow dispensers - utomatic or manual dispensing of mono-component (CFD) and two-component A (CBD) liquid or viscous products including loaded material - Volumetric continuous flow dispensing thanks to a rotating displacement system - Simple setting of the dispensing parameters via numerical controller - Material pre-heating possible Technical specifications Dispenser volume Disp. volume per revolution Flow rate* Repeatability Power supply controller Air pressure Dispenser dimensions Dispenser weight *depending on dispensing material **larger choice upon...

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Dispensing techniques Mini-NVD 1K Mini numerical dispensers - utomatic volumetric dispensing of mono-component (Mini-NVD) and twoA component (Mini-NBD) liquid or viscous products down to very small volumes - Simple setting of the dispensing parameters via numerical controller - ompact design allowing the use of Mini-NVD as series with the desired quantity C (multidispensing) - oth motor control card and pneumatic valve are integrated into each single B Mini-NVD providing individual plug and play system - Piston and cylinder made of ceramic - No seals in the piston-cylinder system - Material...

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SOLDERING & DISPENSING The PC controlled MRC500 standard robotic cell can be used for semi or fully automatic operations of volumetric dispensing operations. The MRC500 can be equipped with all the established mta® dispensing techniques described on the previous pages. The 3 axes of the MRC500 are fully programmable through the mta® MotionEditor software including dispensing parameters such as: - Volume to be dispensed, dispensing speed, mixing ratio as well as other related dispensing parameters e.g. unlimited quantity of points, linear or circular beads. Thanks to its flexible and modular...

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The PC controlled TR300 standard table-top robot can be used for semi-automatic operations of volumetric dispensing operations. The increasing requirements for processes in terms of quality, precision and repeatability lead to a similar increase in the necessary level of automation. However, when production batches are small or products widely dissimilar, the cost of sophisticated equipment can place automation beyond the reach of many would-be users. The TR300 combines the necessary flexibility with the required high levels of process quality and repeatability, all at reasonable cost. The...

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SOLDERING & DISPENSING The PC controlled OEM standard robot can be used for semi or fully automatic operations of volumetric dispensing operations. Thanks to its unique concept, the OEM robot is delivered to the system's manufacturer with a process guarantee. The OEM robot can be equipped with all the established mta® dispensing techniques. The 3 axes of the OEM robot are fully programmable through the mta® Motion-Editor software including dispensing parameters such as: - Volume to be dispensed, dispensing speed, mixing ratio as well as other related dispensing parameters e.g. unlimited...

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For applications that do not require the flexibility of a robot, a simple station is available for semi or fully automatic operations of volumetric dispensing. The modularity of slides and standard elements enable to find a solution adapted to the customer's application. The station can be equipped with all the established mta® dispensing techniques. Thanks to its modular concept, the station can be integrated into a line or onto a rotary table (no safety guarding included). Work area according to the customer's needs Axes pneumatic Controller mta® controller available upon request...

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