What is the opening size of the manhole? The opening size is the opening size that needs to be cut on the manhole, also called the installation size.It is usually slightly larger than the opening size of the product. READ MORE
These two terms are often used interchangeably, however, there's a distinct difference between them. Access door assemblies have a hinged door (in most cases non-removable) which swings open to about 110-120 degrees, whereas access panel assemblies have no hinge and allow for full removal of the acc... READ MORE
Suggestions on installation position of suspended ceiling manhole：Generally, there is a valve in the ceiling, a drainage inspection nozzle, or a hidden distribution box. The main purpose of setting the maintenance port of the ceiling is to facilitate the future maintenance or overhaul of the valves ... READ MORE
Rock wool is an inorganic thermal insulation material, which is made of basalt as the main raw material, melted at high temperature, made into artificial inorganic fibers by high-speed centrifugal equipment, and then processed. It has the advantages of light weight, low thermal conductivity, heat ab... READ MORE
The principle of the elephant trunk bouncer is that when we press it, the bouncer and the touch ball installed in the cupboard door will feel the pressure, and they will automatically bounce back to open the cupboard door as soon as they let go. Elephant trunk lock, also known as rebound buckle and ... READ MORE
We all want to make our houses as perfect as possible when we renovate them, but even a perfect house is inevitably damaged by ageing later on, which requires us to repair it later. However, as some of the work is hidden, if you don't leave a checkpoint when renovating, it can be a big problem to re... READ MORE
Sheet metal refers to a metal plate with uniform thickness defined by manual stamping or deformation. At the same time, some adjustment processes have been added to make it a more complex manufacturing product. Sheet metal processing typically includes cutting, blanking, bending, welding, and surfac... READ MORE
Bending - When a metal sheet undergoes elastic deformation under the pressure of the upper or lower mold of a bending machine, it then enters plastic deformation. At the beginning of plastic bending, the sheet is free to bend. As the upper or lower mold exerts pressure on the sheet, the sheet gradua... READ MORE
The welding industry has many equipment and technologies to assist in this process. There are welding robots, welding positioner, rotator, etc. Among them, welding robots are considered to be highly efficient machines, and they are widely used in the welding industry. A welding robot is an automated... READ MORE
Spraying processing usually involves pre-treatment of hanging parts, powder spraying, dehydration, drying, solidification, cooling, and inspection of spraying parts. First of all, before hanging the workpiece, it is necessary to check whether the hanger is in good condition and whether the workpiece... READ MORE
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