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Fastener processing technology
Other processBlanking, straightening (straightening), milling machine processing, drilling, milling, and so on.bolt:Small specification bolts (M16 and below) with a diameter of 1- and 8.8, such as hexagonal head boltsand hexagonal flange boltsRaw...Read More -
Tolerance detection
9.4 ThreadMeasurement 9.4.2 Single Measurement There are many methods for single measurement of thread, the most typical one is to use the universal tool microscope to measure the diameter, pitch and half Angle of thread. The tool microscope is used to ...Read More -
Extrusion tap
Coolant lubricant In the process of internal thread cold extrusion, the selection of suitable cooling lubricant can greatly reduce the direct wear of the working surface of the extrusion tap and extend its life. Extrusion tap will be subjected to a lot of friction resista...Read More -
Representation of thread
Description Summary The internal thread is generally open to indicate, In the non-circular view, the thread base (large diameter) is represented by a thin solid line (not drawn into the chamfer area);The tip of the thread (small path) and the thread ter...Read More -
Thread drawing and marking
Chapter VII. Special representations in mechanical drawings 07.1 Thread 7.2 Thing method of the thread is stipulated 7.3 Method for marking thread At present, various design fields are CAD download on the Internet, looking for a humanized, intelligent professional software, a variety of plug-in...Read More -
Surface roughness of thread
The surface roughness requirements of the thread are 3.2 for qualified products and 1.6 for first-class and excellent products. Mark on the thread such as M8X1-6h accuracy, to achieve a relatively high surface roughness, connection and fastening with the thread, the requirements are relatively l...Read More -
A comprehensive overview of fastener knowledge
Cold heading of fastener production process Basic concepts of cold heading definition: at room temperature, the use of a press, the blank between the upper and lower die pressure, so that the blank in the axial compression, radial expansion of the metal pressure processing. (Follow the ...Read More -
How to detect threads
Measurement steps: 1. Clean the measuring tool and measured parts to ensure that there is no iron filings on the surface of the measuring tool and measured parts. 2, then according to the nominal diameter of the measured thread, select M24×1 thread ring gauge. 3, when measuring, ...Read More -
Fastener basics
It can not be said that ordinary thread and reamed hole thread, but ordinary bolt and reamed hole bolt, because the thread part of the two is the same, the difference is that the part of the rod without thread. Because the thread part is the same, the axial force is the same. There is...Read More
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