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CNC Internal Thread Grinding Machine

Precision internal thread grinding machine for worm-type workpiece grinding, meet all your wishes for milling process.

Product parameters

Max. work-piece length:200mm

Max. grinding diameter:200mm

Max speed:24000rpm

Advanced CNC machine tool specially designed for processing high-precision internal threads. It is mainly suitable for machining precision internal threads inside all kinds of shafts and bushings, including but not limited to oil passage threads inside engine cylinders, sealing threads in valve assemblies, mounting threads on the inner and outer rings of precision bearings, and connecting threads inside hydraulic fittings and tubes.


  • High-precision machining: adopting advanced CNC system to precisely control the rotational speed of the grinding wheel axis, the feed amount and the movement of the workpiece table, to achieve micron-level control of the parameters of internal threads (e.g., pitch, centre diameter, tooth angle, etc.), to ensure that the machined threaded parts can meet the stringent requirements of precision.

  • Efficient automated production: with automatic programming and compensation functions, it can adapt to the batch processing needs of many complex internal threads, greatly improving production efficiency. Meanwhile, some models are equipped with automatic loading and unloading device and online inspection system, which realises unmanned continuous production process and reduces labour cost and scrap rate.

  • Wide applicability and strong stability: these grinding machines can handle internal thread grinding of various steel, cast iron, non-ferrous metals and other difficult-to-machine materials, and are suitable for high-precision internal thread parts manufacturing in aerospace, automobile manufacturing, precision machinery, hydraulic components and other fields. The strong rigidity of the machine structure and good vibration damping, together with the stable servo drive system and advanced cooling and lubrication system, ensure the stability of machining accuracy and the service life of the equipment under long-time operation.

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Wuxi Geepro Gear Technology Co.,Ltd. was founded in 2016, with the research and development, processing and sales of gears and gear machinery and equipment as the main business direction.

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