The Ronen® Internal Tapping Machine is used by suppliers for cutting threads in holes.It is suitable for metal parts that have been pre-drilled, such as pipes. It is more precise than manual taps and can start tapping by simply clamping the part and setting the depth. There is no risk of the threads loosening.
The internal tapping machine is used for machining threads in the inner holes of various parts. Its working process is not complicated. There are two common types: manual and automatic. The automatic type can set the depth and will automatically withdraw when it reaches the position.
The internal tapping machine is used to cut internal threads within pre-drilled holes. It is equipped with a rotating cutting tool called a tap, which is axially driven into the hole. The cutting edge of the tap cuts the material, forming the helical groove of the internal thread. This machine achieves automated tapping more quickly and stably than the manual method.
The internal tapping machine is driven by an electric motor to rotate the tap. The gearbox converts the high speed of the motor into a low speed and high torque suitable for cutting. The spindle moves downward, sending the tap into the hole. The automatic reversing device causes the tap to rotate in the opposite direction, retracting it after reaching the depth.
We usually use overflow coolant. The coolant can lubricate the taps, reduce heat, and push the metal chips out of the hole and away from the cutting area. Efficient chip removal is crucial for preventing tap breakage, thread damage, and poor surface finish. Some machines are equipped with a spindle center cooling system to better clean the holes.
Modle | X065 | X0685 | X0627 | X0860 | X08100 |
Main Motor KW(4HP) | 4 | 4 | 5.5 | 7.5 | 7.5 |
Diameter(mm) | Max.6 |
Max.6 |
Max.6 |
Max.8 |
Max.8 |
Length(mm) | Max.50 |
Max.85 |
Max.127 |
Max.60 |
Max.100 |
MainDie(mm) |
Φ45*108 |
Φ45*108 |
Φ45*150 |
Φ60*128 |
Φ60*128 |
1stPunch(mm) |
Φ36*94 |
Φ36*94 |
Φ36*94 |
Φ38*107 |
Φ38*107 |
2rdPunch(mm) |
Φ36*60 |
Φ36*60 |
Φ36*60 |
Φ38*107 |
Φ38*107 |
Cutter(mm) |
10*25 |
10*25 | 10*25 | 12*28 | 12*28 |
Speed(pcs/min.) | 130 | 80 | 70 | 60-100 | 60-80 |
Weight(kg) | 2200 | 2200 | 2500 | 4000 | 4200 |
The internal tapping machine has a much higher tapping efficiency than manual operation. The threads produced by this machine are of stable quality. They are not as prone to distortion as those made by hand, and the depth is consistent. They fit the screws perfectly. Suitable for on-site processing.