Tapping machines are one of the most commonly-used pieces of equipment for making holes, predominantly in metal. Whilst drilling machines make their own ‘new’ holes, tapping machines work by cutting an internal thread inside an existing hole.
Tapping machine types
There are three main types of tapping machine: electric, pneumatic, and hydraulic. All tapping machines should only be used by experienced and qualified operators.
Electric tapping machines
Electric tapping machines make thread holes in metal powered by an electric motor. They usually have simple-to-use control panels offering different functionalities and can significantly reduce the amount of manual labour needed. These machines tend to be used with larger-size materials.
Pneumatic tapping machines
Pneumatic tapping machines have an air-driven drive spindle that enables them to tap. This means that a clean, consistent air source is needed, but avoids the need for an electricity supply. This makes them an excellent choice for applications where ease of use and portability are priorities. They are perhaps best suited for tapping smaller holes, yet still have enough power to deal with materials such as titanium and stainless steel.
Tapping arms/machines
Roscamat is the world’s leading manufacturer of tapping arms and is well-known for producing high-quality tapping machines. If your business could benefit from these machines, there are a number of specialists stocking Roscamat machines, many of whom provide detailed resources online, such as the examples seen here www.cotswold-machinery-sales.co.uk/roscamat-tapping-machines.
Hydraulic tapping machines
Hydraulic tapping machines are powered by hydraulic power packs. These provide up to 811 ft/lbs of torque, the highest torque levels of any tapping machines. These can tap sizes ranging from one-quarter of an inch up to 2 inches. This makes them a suitable choice for heavy duty tapping operations. The main disadvantages to these are that they need heavy power packs and they tend to be more expensive than other types.
The best tapping machine choice depends on specific needs and budget. Pneumatic machines are a lightweight, portable option, electric machines are good if speed and low-maintenance are important, and for heavy-duty tapping, hydraulic machines are probably the optimum technology.
