Dynamic Weighing Systems
We offer turnkey solutions to your dynamic weighing applications, be it on conveyor belts, in motion weighing of vehicles, or controlled feeding of product into your plant process. Dynamic weighing is synonymous with in-motion weighing; in other words, the product or object that is being measured is in motion and not stationary when the measurement is being done. All this is made possible by the use of state of the art microprocessor technology and software algorithms.
The success of electromechanical belt scales is primarily determined by the environment where they are installed. Primary areas of consideration are factors like belt tension variations, idler alignment, environmental factors such as wind and vibration, belt lift, length and angle of the conveyor and so forth.
Our belt scales are supplied with state of the art M-CON 2000 and U-CON 2000 Integrators together with the JLT50 digital speed sensor to ensure optimum long term accuracy and reliability.
All our systems feature fully automatic zero and span calibration functions, as well as automatic zero tracking.
We will assist you in selecting a suitable location for your belt scale application to ensure a long term successfully installation.
Your application may require a full floating single idler or a full floating three idler electromechanical scale frame. Achievable accuracies range between 0,25 and 2 % FSD, depending on the application.
Belt Weigh Feeders
Belt weigh feeders are used to control the feedrate of a product into the plant. In a dynamic blending plant, a number of belt weigh feeders will be used to blend different raw materials in the correct proportions. Belt weigh feeders are commonly used to control feed rates of solid product between 1 t/h and several 100 t/h.
The principle of operation is to measure the flow rate by means of an electromechanical belts scale on the feeder belt.
TAC has supplied a considerable number of belt weigh feeders for use in continuous raw materials blending in the food and materials processing industries.
Loss-In-Weight Feeders are used in the continuous feed rate control applications for the control of feed rates from fractions of a kg/h to many hundreds of kg/h. The principle of operation is to measure the reduction in mass in a static weigh hopper over time.
The rate of flow is controlled by different feeders, be it pumps, belts, vibrators or screw feeders to name a few.
The Loss-In-Weight method of feeding can be combined with conventional belt weigh feeders, particularly in blending applications where minor ingredients or additives are added, typically consisting of a few percent of the total blend.
Batch Throughput Weighers
This product is based on batch weighing of solid and liquid product flow by measuring batches of the product in a continuous process stream. It is an extremely accurate method of measurement since the measurement principle is based on static weighing providing accuracies better than 0,25 % over long periods of time without the need to do calibration. The benefit of the method is that the systems compensate automatically for zero error components on a continuous basis.
Batch throughput weighers are also often referred to as inline process weighers.
Static Weighing Systems
TAC supplies a complete range of static weighing instruments, both analog based and micorprocessor based. Consult our weighing instruments section for technical details.
A wide range of load cells is also available for these applications. Technical information is available in the load cell section reflecting capacities, electrical and mechanical specifications.
These applications include hopper, silo and platform scales.