What is the function of the spring collet?

August 02, 2021

The spring collet is made of high-grade alloy steel with good elasticity. Heat treatment makes the outer cone of the collet and the inner wall of the collet have both high hardness to ensure rigidity and wear resistance. Spring chucks of various sizes can clamp workpieces in the field of small size, so they are mainly used for safe automatic machine tools such as automatic lathes. The spring collet has conventional composition, good rigidity, can withstand large torsion and eliminate looseness in operation. The special effect of alloy steel quality is applied, with good durability and strong durability. Spring collet is widely used in warhead components in machinery and industry, but the spring is absolutely loaded. It can produce large elastic deformation and convert mechanical work or kinetic energy into deformation energy. After unloading, the spring deformation disappears and returns to the original state.

Spring collet is a fairly fast commodity, but many factors will affect its use. The friction coefficient between the clamped commodity and the collet in an idle gas shaft is the main factor to influence whether the collet is clamped or not. In general, the greater the friction, the tighter the fixture, the smaller the friction, and vice versa.

First, it is the subject of axis coordination. It can only coordinate the action points of the large and small axes well. Super large clamping force can be displayed. The clamping force of the large shaft is greater than that of the small shaft. Therefore, the positioning size of the coordination shaft is often very important. The commodity is too small and the clamping force is not tight. This is a common phenomenon.

Before installing the spring collet, install the spring collet into the lock nut, and then gently screw the lock nut on the tool handle, connecting rod or spindle with the spring collet. It is necessary to clean the reed collet, the turnbuckle components of the locking nut, the permanent surface and the conical surface.

When installing the collet and lock nut, the collet and lock nut must be skewed in the morning and evening, and gently put them into the locking groove of the lock nut in the next field.

1. It should be noted that the spring collet must clamp the tool to avoid the safety accident of flying out when the tool rotates at high speed. 2. It is forbidden to lock the screw nut when the collet is not equipped with a cutting tool, and guard against the deformation and embrittlement of the tension spring collet.

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Mr. jiames.wang

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