CNC Centerless OD Grinder

I. Technical requirement 1. Application: this machine is used in grinding the rod,diameter range is 2-40mm Working precision: roundness 0.0015mm Cylindricity: 0.002mm(Standard precision test specimen) Main performance and configuration requirement of machine tool NC system adopts Fanuc0i The...

Product Details

MK2110-CNC Internal Bore Grinding Machine

I.  Technical requirement

1. Application: this machine is used in grinding the rod,diameter range is 2-40mm

Working precision: roundness 0.0015mm  Cylindricity: 0.002mm(Standard precision test specimen)

Main performance and configuration requirement of machine tool

NC system adopts Fanuc0i

The deceleration motor adopts Korean SPG product.

Ball screw from Nanjing Yigong.

(4) Machine tool electrical components are well-known brands in China, such as Chint AC contactor, thermal relay is from Suzhou Electric Control equipment Factory , JBK transformer from WUXI TBR and so on.

the guide wheel drive motor is controlled by Inovance frequency converter.

Colour is according to client’s requirement.


II. Overview of machine tool

Main structure of machine tool

1. The grinding wheel spindle adopts cantilever structure and is convenient to replace the grinding wheel, and the bearing is a long five-piece dynamic sliding bearing with large bearing capacity and high stiffness.

2. The guide wheel spindle has a double supporting structure with good rigidity, the bearing is a rolling bearing, and the rotation accuracy is high.

3. The variable speed of guide wheel adopts AC frequency converter, which can realize stepless speed regulation.

4. The guide wheel grinding wheel dresser uses deceleration motor to drive ball screw transmission and stepless speed regulation.

5. The guide wheel frame feed skateboard adopts needle roller rigid guide rail, which has the advantages of sensitive movement, high feed precision and long service life.

6. The cooling system adopts large water tank, large water pump and magnetic separator, so that the cooling water can dissipate heat fully and be cleaner, which is beneficial to the improvement of grinding efficiency, precision and roughness.


III. Main specification and parameter

1. Longitudinal feed grinding (standard bracket)

Grinding diameter                         φ2~40 mm

Max. Grinding length                     140 mm

2. Longitudinal feed grinding (ordering special parts)

Grinding diameter                          φ7~40 mm

Max. Grinding length                     300 mm

3. Cross feed grinding (ordering special parts)

Grinding diameter                           φ7~40 mm

Max. Grinding length                       120 mm

4.  Grinding wheel dimension           PSA350×125×127 mm

5.  Guide wheel dimension                P250×125×127 mm

6.  Grinding wheel rotary speed        1870 r/min

7.  Guide wheel rotary speed             10~200 r/min(stepless)

8.  Guide wheel rotary angle

a、Vertical in-plane                           -20~+40

b、In the horizontal plane                  00~+30

9.  Feed minimum                             0.002 mm

10.  Distance from the center of the grinding wheel to the bottom of the bracket    190mm

11.  High distance from the center of the grinding wheel to the ground                 995 mm

12.  Cooling pump                                                                                     AOB2—25(0.11 kw)

13.  Machine tool motor power

A. Grinding wheel motor power                                                    7.5 kw

B.  Power of guide wheel motor (AC frequency conversion)                  1.1 kw

C. Power of servo motor (AC frequency conversion)                                1.5 kw

14.  Machine tool power supply                                      3N~50Hz  380V

15. Machine tool dimension (length × width × height)                            1680x1300x1450mm

16.  Net weight of machine tool                                                              about 2200kg


If you're looking for the cnc centerless od grinder, welcome to consult the price and the quotation with our factory. As one of the professional grinding machine manufacturers and suppliers in China, we also offer you the customized service. Please be free to buy the cheap machine made in China in stock from us.
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