BOMETT In-mold Tapping Unit & Working Principle

BOMETT In-mold Tapping

In-mold tapping technology is a process for processing threaded holes on stamped parts in the metal stamping industry.

We have established our own BOMETT  tapping system.

01 - In-mold tapping

1.In-mold Tapping Unit Working Principle

In-mold tapping, or in-die tapping, is a technology that uses cold extrusion technology to form internal threads using the principle of metal plasticity.
During the stamping process, the extrusion tap moves along the inner hole of the workpiece, extruding threads on the surface, forming a thread with a uniform spiral groove of specified length and pitch.

Mechanical in-mold tapping needs to be used in conjunction with the mold, while the servo tapping machine can work independently

2. Suitable Tapping Materials

Metal stamping materials with good plasticity are suitable for the in-mold tapping technology, such as low carbon steel, stainless steel, high strength steel, aluminum and aluminum plywood, cold rolled sheet, galvanized sheet, copper and copper alloy, etc.

3.Applicable Molds

Suitable for metal progressive dies, continuous dies, precision dies, single punch dies, etc.

Progressive die with 2 sets of standard tapping unit (BK-R (MQ) )

Progressive die with tapping unit for 6 holes (BK-RN)

Progressive die with tapping unit for 2 holes (BK-ZON)

Progressive die with tapping unit for 6 holes without stroke limited (BK-IS)

02 - BOMETT In-mold tapping

The main components of BOMETT tapping system (taking single-hole model as an example).

1″ Connect tapping cooling device

The vaporization of mist cooling, spray evenly, to ensure the product clean, tap to prevent overheating and prolong the life tap.

2″Connect detection device (Optional items)

There are 2 types of detection devices,position detection and tap detection. 

Position detection: Positioning detection of tapped holes prior to tapping to prevent and detect belt feeding out of place.  Learn more

Tap detection: Detect broken taps,missing taps,tap installation errors and taps not in place. Learn more

If you are interested in our BOMETT die tapping units, welcome to consult. We can customize your product plan for you!

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