Recently, there has been a lot of publicity about the spirit of craftsmen, with reports on how rigorous the method of tightening bolts by German technicians is compared with the method of tightening bolts by Chinese workers. Strictly speaking, in the process of equipment assembly, the method of tightening bolts has been defined in the…

Cold Heading Molding Cold heading molding refers to the use of a cold heading machine to cold heading the fine line die into parts blank, in addition to the special size (thin rod, large chamfering, etc.) and thread, all dimensions of the parts are obtained in this process. Cold heading mold is divided into two…

A lathe machine is one of the most versatile machines in a workshop. It can be used for turning, facing, drilling, and other operations. The three most common lathe operations are turning, facing, and drilling. Turning is the process of shaping a workpiece by rotating it against a cutting tool. The cutting tool removes material…

Calliper has a variety of measuring modes, easy to operate, durable, versatile, and low cost, and can be said to be the most common measuring tool in the toolbox. However, there are a lot of matters needing attention to the correct use of calipers. Let’s start with the error factors that affect the measurement results….

GB/T 6170 hex nut abbreviation: GB6170 hex nut; GB/T 6175 hex nut hereinafter referred to as GB6175 hex nut. First of all, let’s take a look at the full name of the standard: GB/T 6170-2000 type 1 hex nuts (replaced by GB/T 6170-2015) GB/T 6175-2000 type 2 hex nuts (replaced by GB/T 6175-2016) Here is…

Bolts A type of fastener consisting of a head and a screw (cylindrical body with external thread) to be fitted with a nut for fastening two parts through holes. This type of connection is called the bolt connection. If the nut is unscrewed from the bolt, it can also make the two parts separate, so…

The CNC machining center is a high-precision CNC machine tool. The CNC system is the core control center of the entire machining center, which is equivalent to the human brain and its importance is self-evident. The numerical control system issues orders through a series of electronic components and circuits all over the machine tool and…

Aluminum is the most widely used metal material among non-ferrous metals, and its application range is still expanding. There are many kinds of aluminum products produced by aluminum materials. According to statistics, there are more than 700,000 kinds of aluminum products, and various industries such as construction and decoration, transportation, and aerospace have different needs….

The CNC tool post is the most common auxiliary device of the CNC machining center. It enables the CNC lathe to complete various or even all processing procedures in one clamping of the workpiece, to shorten the auxiliary time of processing and reduce the number of installations of the workpiece during the processing. The errors…