Dye penetrant testing of precision cast trays The picture shows the PT testing of the hot work fixture grate, which is manufactured using precision casting technology. Casting defects are prone to occur at the connection points of the grate. We conducted a 100% dye penetration test on the precision cast grate to detect defects and promptly repair or scrap the workpiece, effectively controlling product quality. Read More

Centrifugal cast pipe dye penetrant testing The body of the sinking roller is produced using centrifugal casting technology. The picture shows that the sinking roller body is undergoing dye penetrant testing to detect defects that cannot be recognized by the naked eye, such as small cracks. Determine whether it is within the allowable range through professional standards in order to proceed with the next step of production and processing. Read More

High temperature tensile testing machine is a testing machine used to determine the mechanical properties at high temperatures, mainly for analyzing the high-temperature mechanical properties of materials, and testing the high-temperature mechanical properties of product materials according to product material requirements or customer requirements. Read More

Magnetic particle testing is mainly based on the following two principles Read More

Radiant tubes are widely used in heating furnaces and are the main heating elements of heating furnaces. It is necessary to focus on checking for surface defects, uniform waxberry particle size, and complete and leak free welds. Read More

The height vernier caliper is widely used for height measurement, marking, and other purposes in mechanical processing. Also known as a height ruler ·Common ranges: 0-300mm, 0-500mm, 0-1000mm, 0-1500mm, 0-2000mm ·Common accuracy: 0.02mm, 0.01mm (determined by the number of divisions on the cursor) ·Measurement object: height Use a height caliper to measure the height of the grate, and the reading is 91.4mm Read More

Surface roughness refers to the unevenness of the machined surface with small spacing and small peaks and valleys. The distance (wave distance) between its two peaks or valleys is very small (below 1mm), which belongs to the micro geometric shape error. The smaller the surface roughness, the smoother the surface. The morphological features with a wave distance less than 1mm are usually classified as surface roughness, the morphological features with a size of 1-10mm are defined as surface waviness, and the morphological features with a size greater than 10mm are defined as surface morphology. Read More

The diameter of the outer circle of a circular object is called the outer diameter, denoted by the symbol Φ. In engineering, the outer diameter is usually an important indicator of quality issues, so measuring it is a very important process. The outer diameter of the roller generally needs to be machined to ensure surface roughness, and the processed roller can be inspected using a vernier caliper or a more accurate outer diameter micrometer. Read More

After the casting and machining of the furnace rollers are completed, we will conduct a dimensional inspection. As shown in the figure, we will use a digital caliper to check that the diameter of the inner hole of the roller is 14.07mm. Read More