Rosca 101: tudo o que você precisa saber

Thread 101: everything you need to know

People are the core of operations. The best guarantee for personnel safety is achieved by avoiding unsafe behavior of people and matching the safety status of equipment.

When designing the arc welding system, the unsafe condition of the equipment must be taken into consideration in actual work. During actual operation, operators must receive training in various regulations, operating procedures and safety awareness.

To ensure safety in daily production, it is important to develop good safety practices and correct operating habits.

1. Brief history of the topic

Since the fourth century BC, naturalists in ancient Greece have been familiar with the basic spiral shape and used it to extract wine and olive oil.

To this day we continue to use Archimedes' screw to extract water.

Archimedes' spiral water inlet device still in use today

Fig. 19 Customized NC milling thread processing

Method 3 threading and threading

Tapping consists of using a certain torque to screw the tap into the pre-drilled bottom hole of the workpiece so as to process the required internal thread.

Fig. 20 playing

Threading is a forming method for cutting external threads in a die bar part.

Fig. 21 threading

On the one hand, the accuracy of threading and threading depends on the accuracy of the tap or die used, on the other hand, it also depends on the experience of the operator performing the task.

For various small diameter non-standard internal threads, threading is the only viable processing method.

Threading and threading can be carried out manually or using machines such as lathes, drills, tappers or threading machines.

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