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High-Precision CNC Thread Grinding Machine for Superior Manufacturing1
Machine Tools, Grinding Machine, Precision Machine, High-Quality Machine
Sunrise Mechatronic Technology Co., Ltd.
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Product Description Machine PictureMachine Introduction This machine is a high-precision screw grinding machine specially developed for the rolling functional parts industry. It is suitable for grinding high-precision arc ball screws, high-precision trapezoidal screws and other threaded tooth shapes.Transmission mode and grinding thread length:CGK-2000/3000 adopts table moving type, grinding thread length 2000, 3000mm.It adopts SIEMENS 828D/840D CNC system and is equipped with HEIDENHAIN precision scale and Renishaw encoder to realise full closed-loop control.9 The operation interface adopts Chinese human-machine dialogue interface with menu-type input, which is easy to operate.The grinding mode adopts single-stroke grinding cycle, with the functions of full automatic cycle grinding, multi-head thread grinding, dynamic tool setting, pitch compensation, centre diameter taper compensation and automatic compensation of grinding wheel correction amount.The main bed and table are made of high-strength alloy cast iron, and the guideway surface is scraped and ground with high precision. The machine's female screw and transverse feed screw are made of imported high-precision ground ball screws to ensure the precision and stability of movement.The grinding wheel spindle adopts imported high-precision rolling bearings. It has high rotary precision, rigidity and wear resistance. Machine Features It is mainly used for the grinding of the external threads of ball screws. It can machine threads that meet high - precision requirements, ensure the accuracy of parameters such as pitch and thread profile, and improve the transmission accuracy of ball screws. It can reduce the surface roughness, avoid surface defects, and enhance wear resistance and service life.Machine Specifications Machine specificationEffective thread grinding diameter mmφ16 ~ φ120Machine center distance mm3200Effective thread grinding length mm≤3000Pitch mm0.8 ~ 48Spindle center height mm225Taper of main shaft hole of head frameMorse 5Taper of main shaft hole of tailframeMorse 5Grinding partGrinding wheel Specifications mmφ500-φ350Grinding head motor Rated power kw11 (motorized spindle)Continue working spindle speed rpm/min1000-2000Grinding wheel frame rotation Angle±35°The grinding wheelFrame moving lateral movement speed mm/min1 ~ 2500Maximum lateral movement mm220Longitudinal movement speed mm/min1 ~ 2500Maximum longitudinal movement mm3000Head frame componentsHead frame speed (thread grinding) RPM0.5 ~ 80The head frame spindle rotation feedback adopts Renishau grating ruler Diamond disc dresserSpindle power (motorized spindle)1.5KwMain precisionGrinding head spindle run-out mm≤0.002Grinding accuracy (length-diameter ratio within 40)C3Grinding workpiece surface roughness≤Ra0.32Axial movement of the spindle of the head frame mm0.002Radial run-out of the center line of the taper hole of the spindle of the head frame (near the spindle end)0.003150 mm position0.006Grinding wheel spindle center line and tail spindle center line equal height (tail height)0.025Equal height of the spindle center line of the grinding wheel and the spindle center line of the head frame≤0.05The axial momentum of the ball screw≤0.002Others1.head frame spindle adopts rolling bearing structure, longitudinal and transverse guide rail adopts plastered guide rail form2.Two sets of grinding wheel chuck shall be provided (one set with a thickness of 10mm and the other set with a thickness of 20mm)3.Three specifications of the center frame, the specification is 16-63 (6 sets); 63-120 (3 sets)4.Install oil trays in blocks at the bottom of the machine tool by area5.The rotary body adopts the encoder digital display table, which can accurately read the spiral Angle6.Fully enclosed protection, equipped with oil mist absorber, constant temperature cooling and magnetic filter
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