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The application fields of Pipe Thread Lathe machine are the Processing and repairs of drill pipe, drill collar, joint, kelly bar and sleeve of Oil sector, Metallurgic Industry, Geological Prospecting, Chemical Industry & Hydropower.
High rigidity casting bed
High precision spindle bearing
Bed guideways industively hardened
1. Two-speed speed change, wide speed regulation range, not only meets the requirements of high-speed thread finishing, but also has high cutting efficiency and low noise.
2. The machine bed is an integral floor structure, which greatly improves the rigidity of the machine tool. The width of the guide rail surface of the bed is wide, and has been quenched and precision ground by super audio frequency.
3. Quenching precision grinding gears and high-quality bearings to ensure low noise and good sound quality of the machine tool.
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4. The spindle box adopts powerful external circulation cooling and lubrication, which not only reduces the temperature rise of the spindle, but also maintains the cleanliness and lubrication of the spindle box.
5. The X and Z axes are directly driven by high-precision ball screws and pre-stressed and tightened, and the nut hanger is an integral structure.
6. The large-size 4-station vertical electric turret enables the machine tool to have high processing efficiency and more effectively ensure the precision of the inner hole thread of the fine turning.
NPT thread dims? Edit: Chart Added
I recently had to do a quick one off job cutting some external 1 1/4" NPT threads in some plastic. Rather than getting our programmer to do it offline, I figured I can just hand write a simple program at the machine.
Since it was plastic, I figured a quick turning path to produce the taper, and then thread it. I then spent an hour scratching my head and trying to calculate what diameters to turn the material to and what coordinates to program the threading too. The Machinery's Handbook gave me pitch diameters and I faked it from there until it fit since it wasn't a critical part.
It got me thinking, there must be an easier way to figure this out. How do you guys do it? It's there a chart our there or formula I can use to figure out my programing points? I hate spending an hour doing calculations just to cut some simple pipe threads. All our pipe thread is usually programmed offline so I've never really had to do with it before.
Any help is greatly appreciated.
For more information, please visit Cnc Pipe Threading Lathe Machine Manufacturer.