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How to fill the joints of ground paving stones

There are various methods for filling joints and laying stones, and suitable materials and techniques can be selected according to individual needs and actual situations. Common joint filling materials include cement mortar, tile adhesive, epoxy resin, joint filler, concrete, and stone fragments. The specific filling steps are as follows: Firstly, clean the gaps between the ground paving stones to ensure that there are no debris or dust, so that the filling materials can be better combined. According to the selected material, mix the joint filling material and the required medium (such as water) in a certain proportion. For example, cement mortar needs to be mixed with cement and sand in proportion and mixed with water; Epoxy resin needs to be mixed with its A and B components in proportion. Fill, use appropriate tools (such as knives, scrapers, or joint fillers) to evenly fill the mixed joint material into the gaps of the stone pavement. Pay attention to filling evenly to avoid gaps or repeated filling.

摘自：https://www.ldlkstkj.com/

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CNC hydraulic bending machine

We are a professional manufacturer of CNC hydraulic bending machine equipment with over 10 years of industry experience.Today,we would like to introduce to you: CNC hydraulic bending machine is an effective metal processing equipment that improves production efficiency and product quality by finely controlling the bending angle and shape of metal sheets.The following is a detailed usage method: 1.Connect the power supply Firstly,connect the power supply of the CNC hydraulic bending machine.Turn on the key switch on the control panel and press the oil pump start button.At this point,you will hear the sound of the oil pump rotating,but the machine will not immediately move.Ensure that the power supply voltage and frequency meet the equipment requirements to avoid equipment damage caused by power issues. 2.Travel adjustment Before bending,a stroke adjustment test must be conducted.Ensure that there is a gap of sheet metal thickness when the upper mold of the CNC hydraulic bending machine descends to the bottom.This can be achieved through electric quick adjustment and manual fine-tuning.If there are no appropriate gaps left,it may cause damage to the mold and machine.Therefore,it is necessary to conduct testing before formal bending. 3.Selection of bending slot Choose the appropriate bending slot.In general,the width of the bending groove should be 8 times the thickness of the sheet metal.For example,when bending a 4mm sheet metal,a slot of about 32mm should be selected.Choosing the appropriate slot width can ensure the bending quality and the service life of the equipment. 4.Rear material adjustment The adjustment of the rear gear usually includes electric quick adjustment and manual fine adjustment.The adjustment method is similar to that of a shearing machine.Ensure the accurate position of the rear stopper to maintain the positioning of the workpiece during the bending process.The position of the rear stopper is crucial for the bending accuracy of the CNC hydraulic bending machine,and therefore requires careful adjustment. 5.Start bending After completing the above preparation work,press the foot switch to start bending.Unlike the shearing machine,the CNC hydraulic bending machine can release the foot switch at any time,and the machine will stop when released.Press it again to continue the downward movement.During the bending process,pay attention to observing the condition of the workpiece to ensure that the bending angle and shape meet the requirements. 6.Maintenance and upkeep Regularly maintain and upkeep the product,including cleaning,lubricating,and checking the wear and tear of each component.Good maintenance and upkeep can extend the service life of the equipment and improve production efficiency. By following the above steps and precautions,you can effectively use CNC hydraulic bending machines to ensure smooth production processes and improved product quality.This product plays an important role in modern manufacturing,meeting the bending needs of different shapes and specifications of sheet metal. Article source： https://www.sdsmachinery.com/