Bolt: Mechanical parts, cylindrical threaded fasteners with nuts. A type of fastener consisting of a head and a screw (a cylinder with an external thread) is required to be fitted with a nut for fastening the two parts with through holes. This type of connection is called a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection.
BKNFX-11 bolt eddy current sorter is suitable for high-strength bolt heat treatment state, crack, wrong thread anchor, and mixture sorting.
Generally, the countersunk head is used where the surface is smooth and does not protrude after the connection is required because the countersunk head can be screwed into the part. The round head can also be screwed into the part. The tightening force of the square head can be larger, but the size is large. In addition, in order to meet the needs of locking after installation, there are holes in the head and holes in the rods, which can not loosen the bolt when it is vibrated. Some bolts without threads are to be thin, called thin waist bolts. This type of bolt facilitates the coupling of the force. There are special high-strength bolts on the steel structure, the head will be larger and the size will change.
In addition, there are special uses of the different parts in the eddy current sorter: T-slot bolts, the most used on machine tool fixtures, special shape, cut off both sides of the head. Anchor bolts for machine and floor attachments are available in a wide variety of shapes. U-bolts, as mentioned above. and many more. There is also a special stud for welding. One end has a thread and one end is not welded. It can be welded to the part and the other side can be directly screwed.
1. Non-destructive testing, no special requirements for workpiece surface. (Avoiding the defect that the traditional detection method needs to destroy the surface state of the workpiece, and only two standard samples are prepared in the same material and workpiece when debugging the instrument.)
2. Fast, accurate and convenient. (The test only needs to put the workpiece into the probe, the efficiency is several times or even hundreds of times of the traditional detection method. For the qualified parts and the unqualified with the sound and light alarm function).
3. High sensitivity. (The voltage and frequency used by different materials and heat-treated parts are continuously adjustable)
4. Simple operation. (The man-machine dialogue function is set inside the instrument)
5. Visual display. The software compiled by the WINDOWS operation platform makes the instrument more convenient and intelligent.
6. Suitable for large-scale testing needs, to ensure product quality. (100% of the raw materials and finished products can be tested, instead of the conventional sampling test)
1. Rockwell hardness (+2HRC)
2. 100% sorting of material mixtures
3. Crack length * width * depth (5 * 0.05 * 1mm)
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