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NC Centerless Grinding Machines

CNC centerless grinder

ModelHC-12S

The base of the CNC centerless grinder is made of high-grade cast iron (HC30) and has undergone normalized heat treatment. The double V-shaped lubrication design ensures that there is no fear of body deformation after long-term use.

  • Final configuration confirmed before quotation
  • Customization and accessories reviewed by application
  • Export packing and documentation available on request
Typical applications
  • The grinding wheel dressing device can be adjusted ±6°, and the interface between the workpiece and the adjusting wheel is precise.
  • The most extensive series of machine selections to meet various grinding needs.
  • During grinding, adjusting this angle can effectively change the grinding accuracy of the workpiece.
  • The axial advancement speed of the workpiece is adjusted by changing the inclination angle.
  • In response to the increasing demand for automation, various automatic feeding and collecting devices have been designed for through-type grinding of round pipes, shafts and rods, and are suitable for grinding a large number of workpieces.
  • This fully automated device significantly reduces original production and manufacturing costs, while also increasing production capacity.
  • In response to the top, shoulder and multi-diameter grinding parts, various forms of stop grinding, the automatic feeding and retracting device can be designed according to the shape and length of the workpiece.
  • Such a fully automated device not only reduces operational errors and saves labor costs, but also enhances production efficiency.
Equipment features

Key product features

  • The base of the centerless grinder is made of high-grade cast iron (FC30) and has undergone normalized heat treatment. The double V-shaped lubrication design ensures that there is no fear of deformation of the body after long-term use.

  • The fine adjustment of the upper and lower feed can reach 0.001mm.

  • The grinding wheel dressing device can be adjusted ±6°, and the interface between the workpiece and the adjusting wheel is precise.

  • The most extensive series of machine selections to meet various grinding needs.

  • The most complete optional equipment improves operating functions and convenience.

  • The machinery has undergone the most stringent testing and quality control to ensure top performance, precision and the lowest failure rate.

  • The grinding wheel and adjustment device are hydraulically driven, with stepless speed change, and the dressing is smooth and the dressing seat is made of special alloy cast iron, which has been roasted and precision scraped to ensure smooth and straight dressing.

  • The adjusting wheel is driven by a servo motor, which can be adjusted to the appropriate speed at will, and the worm rod is used in conjunction with the turbine to directly drive the main shaft. It can obtain better roundness due to the fewer transmission parts.

  • The spindle lubricating oil can be reduced to reduce thermal deformation and extend the life of oil seals, spindles and alloy bearings.

  • The pressure switch in the automatic lubrication system of the grinding wheel spindle bearing. When the lubricating oil pressure does not reach the rated value, the spindle motor cannot start or will automatically stop rotating to avoid damage to the spindle due to rotation.

  • Intuitively detect whether the circulating oil has deteriorated to ensure the normal operation of the spindle.

  • During grinding, adjusting this angle can effectively change the grinding accuracy of the workpiece.

  • Used to change the grinding wheel or adjust the dressing direction and speed of the wheel.

  • The axial advancement speed of the workpiece is adjusted by changing the inclination angle.

  • It prompts the spindle to work under the normal circulating oil pressure value, and automatically shuts down for protection when the pressure exceeds the standard.

  • In response to the increasing demand for automation, various automatic feeding and collecting devices have been designed for through-type grinding of round pipes, shafts and rods, and are suitable for grinding a large number of workpieces.

  • This fully automated device significantly reduces original production and manufacturing costs, while also increasing production capacity.

  • In response to the top, shoulder and multi-diameter grinding parts, various forms of stop grinding, the automatic feeding and retracting device can be designed according to the shape and length of the workpiece.

  • Such a fully automated device not only reduces operational errors and saves labor costs, but also enhances production efficiency.

HC-12SCNC centerless grinderMachine parameters:

HC-12S HC-18S HC-18AS
Φ0.5~40mm 0.005-0.5mm (special customization) Φ1~60mm Φ1~60mm
Φ305×150×Φ120mm Φ455×205×Φ228.6mm Φ455×205×Φ228.6mm
Φ205×150×Φ90mm Φ255×205×Φ111.2mm Φ255×255×Φ111.2mm
1950R.P.M 1520R.P.M 1520R.P.M
0~320R.P.M 0~250R.P.M 0~250R.P.M
71/2HP 15HP 20HP
2.0KW ACSERVOMOTOR 3.0KW ACSERVOMOTOR 3.0KW ACSERVOMOTOR
1HP 2HP 2HP
1/8HP 1/4HP 1/4HP
3.5mm/turn 0.02mm/scale 3.5mm/turn 0.05mm/scale 3.5mm/turn 0.05mm/scale
0.1mm/turn 0.001mm/scale 0.1mm/turn 0.001mm/scale 0.1mm/turn 0.001mm/scale
7mm/turn 0.05mm/scale 9mm/turn 0.1mm/scale 9mm/turn 0.1mm/scale
0.2mm/turn 0.001mm/scale 0.2mm/turn 0.001mm/scale 0.2mm/turn 0.001mm/scale
1.5mm/turn 0.01mm/scale 2mm/turn 0.01mm/scale 2mm/turn 0.01mm/scale
5°~-3° 6°~-5° 6°~-5°
±5° ±6° ±6°
1800×1400×1450mm 2350×1960×1550mm 2350×1960×1550mm
2350×1650×1770mm 2900×2400×1850mm 2900×2400×1850mm
1700kgs 2850kgs 2950kgs
1850kgs 3005kgs 3100kgs


HC-12SCNC centerless grinderMachine characteristics
◆ High rigidity structure
The base of the centerless grinder is made of high-grade cast iron (FC30) and has undergone normalized heat treatment. The double V-shaped lubrication design ensures that there is no fear of deformation of the body after long-term use.
The fine adjustment of the upper and lower feed can reach 0.001mm.
The grinding wheel dressing device can be adjusted ±6°, and the interface between the workpiece and the adjusting wheel is precise.
The most extensive series of machine selections to meet various grinding needs.
The most complete optional equipment improves operating functions and convenience.
The machinery has undergone the most stringent testing and quality control to ensure top performance, precision and the lowest failure rate.
◆ Dressing device
The grinding wheel and adjustment device are hydraulically driven, with stepless speed change, and the dressing is smooth and the dressing seat is made of special alloy cast iron, which has been roasted and precision scraped to ensure smooth and straight dressing.

◆ Adjustment wheel servo motor
The adjusting wheel is driven by a servo motor, which can be adjusted to the appropriate speed at will, and the worm rod is used in conjunction with the turbine to directly drive the main shaft. It can obtain better roundness due to the fewer transmission parts.

◆ Cooling fan
The spindle lubricating oil can be reduced to reduce thermal deformation and extend the life of oil seals, spindles and alloy bearings.

◆ Pressure switch
The pressure switch in the automatic lubrication system of the grinding wheel spindle bearing. When the lubricating oil pressure does not reach the rated value, the spindle motor cannot start or will automatically stop rotating to avoid damage to the spindle due to rotation.

◆ Grinding wheel spindle circulating oil mirror
Intuitively detect whether the circulating oil has deteriorated to ensure the normal operation of the spindle.

◆ Adjust the wheel to trim the R angle
During grinding, adjusting this angle can effectively change the grinding accuracy of the workpiece.

◆ Oil pressure switch
Used to change the grinding wheel or adjust the dressing direction and speed of the wheel.

◆ Adjust wheel tilt angle
The axial advancement speed of the workpiece is adjusted by changing the inclination angle.

◆ Fine-tuning handwheel for tool feed
Feed amount per scale: 0.001mm

◆ Spindle oil pressure gauge
It prompts the spindle to work under the normal circulating oil pressure value, and automatically shuts down for protection when the pressure exceeds the standard.

◆Pass-through grinding
In response to the increasing demand for automation, various automatic feeding and collecting devices have been designed for through-type grinding of round pipes, shafts and rods, and are suitable for grinding a large number of workpieces. This fully automated device significantly reduces original production and manufacturing costs, while also increasing production capacity.

◆ Stop grinding
In response to the top, shoulder and multi-diameter grinding parts, various forms of stop grinding, the automatic feeding and retracting device can be designed according to the shape and length of the workpiece. Such a fully automated device not only reduces operational errors and saves labor costs, but also enhances production efficiency.

HC-12SSpecial accessories:

Standard accessories:
◆ Grinding wheel and flange (attached to the machine)/1 set ◆ Fuel tank and fuel pump/1 set
◆ Adjustment wheel and flange (attached to the machine)/1 set ◆ Diamond trimming knife/2 pieces
◆ Stop tool holder and stop blade/1 set ◆ Work light (attached to the machine)/1 piece
◆ Through tool holder and through blade/1 ◆ Cooling fan (attached to the machine)/1 set
◆ Electric control box (attached to the machine)/1 set ◆ Flange puller/1 set
◆ Water tank and water pump/1 set ◆ Toolbox/1 set
Special accessories:
◆ Workpiece landing gear ◆Magnet filter
◆Returning device ◆ Cooling machine
◆ Paper belt filter ◆ Guide rail and ball screw automatic lubricator