Load cells come in several shapes, sizes and capacities and are now the industry standard for all types of weighing. It could be a little mine field searching for the 3 axis load cell for the application. These are some of the most common found today and their uses.
Single Point – Single point are the cheapest and a lot popular type on the market today. Due to their price and reliability, they can be found in most varieties of retail scales, counting scales, medical scales, parcel scales and postal scales. This kind of load cell may also be used in platform scales and industrial weighing systems to supply accurate readings irrespective of the positioning of the load on the platform, reducing manufacturing costs.
Canister Type – Canister type have been around for a long period and are generally the industry standard for the majority of high capacity, compression applications. Canister type load cells are used for single and multi-weighing applications. This sort of cell includes a button on the top and bottom side and can be utilized in compression only. Canister type load cells are employed in tank scales, vessel weighing applications, axle weighing scales, truck weighing, vehicle scales and weighbridges. Canister type load cells offer accurate weighing in harsh environments.
Double Ended Shear Beam – For medium to high capacity applications, the double ended shear beam offers numerous advantages over other designs. This kind has the capacity to rock on its mountings to accommodate any misalignment in mounting surfaces whilst still being retained, this too permits limited movement to permit for thermal expansion and contraction along with lift off protection. This type of cell is also available as being a weighing module kit.
Single Ended Shear Beam – Single ended shear beam are commonly seen in all sorts of floor, platform and shipping scales today and supplies an ideal solution for the majority of medium capacity weighing applications. Single ended torque transducer have the ability to withstand full capacity side load with no problems making them particularly appropriate for weighing systems with mixers, blenders and agitators. This sort are incredibly durable but could become costly and cumbersome to mount above 10,000kg. This type of cell can also be offered in weighing module form.
Tension Link – The tension link are suitable for applications like winching, hanging scales, crane weighing scales and lifting systems. This kind of load cell offers superior accuracy at high capacity weighing. This type of cell has openings at either end to allow for quick connection to shackles, wire rope, D links or some other rigging. Tension link load cells give a rugged design for potential to deal with side loading.
Torsion Ring – Torsion ring really are a relatively new concept in design and offer a great low profile solution for a wide range of weighing applications. Unlike standard compression load cells, which may readily suffer from off-axis loading problems, torsion rings are loaded via a centrally located annular ring. Using a central floating pin to deliver load to this ring, optimum load introduction is assured and off-axis loads up to three or four degrees may be tolerated without loss in performance. Proprietary mounting modules, that provide excellent versatility, are actually available for both process weighing applications and platform scales.
Weighing Modules – Weighing module generally is made up of load cell with mounting kit. Various kinds of now come supplied as modules but generally single or double ended shear beam and canister type would be the dzrgzs standard. Load cell weighing modules are used in tank scales, silo weighing, vessel weighing applications, axle weighing scales, truck weighing, vehicle scales and weighbridges.
Wireless – The suggestions above have one major flaw; they are linked to devices via cable. One of the main problems with any weighbridge or floor scale is the chance of damaged cables. Using the latest technology, wireless, miniature load cell are actually being presented and may some day become the industry standard. All of the above load cells are obtainable in wireless format, even though this technology comes at greatly increased price.
S Type – S type obtain their name from their shape, being the letter ‘S’. S type load cells provides an electronic digital output when utilized in either tension or compression and offer superior side load rejection. This sort of cell has two female threaded fixing points, top and bottom were eye bolts or thread rod ends can be attached. This type are employed in crane scales, hanging scales, hoist scales and many tension applications.