The Various Uses of Mandrel

Perhaps we all must have heard the name of mandrel. It is basically a small device that is placed inside a tube in order to prevent collapsing. It has a great use. There are various types of mandrels available in the market such as ball mandrel, plug mandrel, formed tip mandrel or close pitch mandrels.

The process of bending by mandrel: It has been observed that mandrel plays a pivotal role in bending of tubes. It has been already known that mandrels usually prevent the tube from collapsing. Hence it is playing a great role. The main purpose of mandrel is to keep the tube from collapsing and wrinkling during the entire bending process. In case of an ideal bend there is no requirement of a mandrel. However, not all bending situations are ideal in every case. The three conditions mainly tighter bend radius, thinner-wall tubes, and exotic or harder-to-bend materials are mainly required by a mandrel for producing an acceptable and perfect bend. In these types of situations, there is proper use of the mandrel. In other words mandrel tube bending has become quite easier and simpler by applying these processes.

Mandrel Tube Bending


The use of mandrel materials:  In this case the most common question that may arise is that with what material is this mandrel made up of?

Studies have revealed the fact that mandrels are made of aluminium-bronze alloy or tool steel with hard chrome plating inside it. An aluminium-bronze combination is mainly used in order to bend stainless steel, titanium, and other hard materials. On the other hand chromed tool steel mandrels should never be used to bend stainless steel. They are useful and ideal for most other hard materials and also for mild steel, steel, copper, aluminium, and other soft materials. There are also some situations in which chromed tool steel mandrels is used and have found to be more successful and perfect than aluminium-bronze for bending titanium .In special cases other coatings and materials are used.

Placement of the mandrel:  It is very vital and important to see that the mandrel is placed in a correct position and in an appropriate way. The front end of the mandrel should be set in a proper way. Bending off the mandrel balls can cause the bend quality to a large extent. The balls in no cases support the tube. Thus it is very vital to see that they are properly adjusted.

Overview of different types of mandrel:  As already discussed there is wide variety of mandrels. Each of them plays some different roles. Take for example single plane mandrels are available in market but are not much in use. Standard ball mandrels are very much in use. On the other hand ball mandrels are used widely in case of wiper dies. Plug mandrel which is quite common is used in case of heavy wall tubes or in case of large radius. Sometimes formed tip mandrels are used in case of average radius. Thus it has been assumed from the following discussion that there are various types of mandrels that play different role in various cases.

The emergence of wide variety of accessories and gadgets has really changed the working pattern and procedure of devices. They had done miracles in accordance with time. This is really a great job. We can offer you with the best mandrel tube bending services.
Location: 4/873 Kingsford Smith Dr, Eagle Farm QLD 4009, Australia

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