Language
Author: Smartweigh–Multihead Weighter
1. The surrounding of the multihead weigher should be set as much as possible“Separator”, or even cover the sensor with a thin metal sheet. This avoids contamination of the sensor and some moving parts with dirt, which“dirty”Often it makes moving part of a fitness exercise uncomfortable and compromises weighing precision. Whether the system software is uncomfortable during exercise can be identified in the following ways.
That is, add or subtract about one thousandth of the rated value load on the scale platform to see if the weighing indicator is reflected. If it is reflected, it means that the moving part is not affected“dirty”. 2. All transmission lines leading to the display information power circuit or drawn from the power circuit should use shielded twisted pair wires. The connection and address of the shielded cable should be valid.
If the grounding device is not based on the mechanical equipment structure, the grounding device is externally grounded, but the shielded cables are not grounded after connecting with each other, and they are floating. Note: There are 3 sensors that are all connected in parallel. The sensor itself is a 4-wire system, but it is replaced by a 6-wire wiring method in the terminal block. The sensor output data signal reading power supply circuit should not and can cause obvious influence equipment.”thyristor, AC contactor, etc.) and the machinery and equipment caused by a large amount of heat are placed in the same casing. If this cannot be ensured, it should be considered to set a baffle between them to protect it and install it on the box body. cooling fan.
The electronic circuit used to accurately measure the output data signal of the sensor should be equipped with a separate power supply system transformer as much as possible, and it is not necessary to use the same main switching power supply with machinery and equipment such as AC contactors. 3. The sensor should use a hinged copper core wire (section about 50mm2) to bypass electrical equipment to protect them from arc welding current or damage caused by lightning strikes. In sensor applications, it is important to prevent significant heat transfer, especially from one side.
4. Prepare the protective ground plane (such as the communication cable of the sensor, do not process the layout in parallel with the weak current power supply plug or control line (for example, it is not necessary to place the sensor power supply line and the weak current power supply plug and control line in the same pipeline). If they must be processed in parallel Placed, then the distance between them should be maintained above 50CM, and the power cord should be covered with a metal hose. 5. Use structural parts with automatic precise positioning (calibration) as much as possible, such as ball rolling bearings , joint bearings, precise positioning tighteners, etc.
They can avoid some lateral force on the sensor. It should be noted that some lateral forces are not caused by the installation of mechanical equipment, such as lateral forces caused by thermal deformation, lateral forces caused by wind speed, and lateral forces caused by the vibration of some container-like electronic stirring devices, which are not mechanical caused by equipment installation. Some electronic parts must be received on the scale body (such as the feeding pipeline of the utensil scale, etc.), we should make them as soft as possible in the position where the sensor is loaded into the spindle bearing, so as to avoid them“swallow”The cause of the deviation due to the true load of the sensor.
6. Handle with care, especially the small-volume sensor made of aluminum alloy and polyurethane elastomer, all impact and falling may cause great harm to its metrological verification characteristics. For a multihead weigher with a large space, generally speaking, it has a large self-weight, so it is stipulated that appropriate lifting equipment (such as manual hoist, electric hoist, etc.) should be used as far as possible during transportation and installation. The mounting surface of the base on which the sensor is installed should be leveled, cleaned, and free of all oil slicks, adhesive tape, etc.
The mounting base itself needs to have sufficient compressive strength and rigidity, which is generally higher than the compressive strength and bending rigidity of the sensor itself.
Author: Smartweigh–Multihead Weighter Manufacturers
Author: Smartweigh–Linear Weighter
Author: Smartweigh–Linear Weigher Packing Machine
Author: Smartweigh–Multihead Weighter Packing Machine
Author: Smartweigh–Tray Denester
Author: Smartweigh–Clamshell Packing Machine
Author: Smartweigh–Combination Weighter
Author: Smartweigh–Doypack Packing Machine
Author: Smartweigh–Premade Bag Packing Machine
Author: Smartweigh–Rotary Packing Machine
Author: Smartweigh–Vertical Packaging Machine
Author: Smartweigh–VFFS Packing Machine
Copyright © Guangdong Smartweigh Packaging Machinery Co., Ltd. | All Rights Reserved
