Automatic Measurement CNC Internal Grinding Machine

MK2120 CNC internal grinding machine i ntroduction Main application and scope of application of MK2120 CNC internal grinding machine introduction The utility model is mainly used for grinding the inner hole, the inner concave end face, the outer end face, the multi stage inner hole and the multi...

Product Details

MK2120 CNC internal grinding machine introduction

Main application and scope of application of MK2120 CNC internal grinding machine introduction

The utility model is mainly used for grinding the inner hole, the inner concave end face, the outer end face, the multi stage inner hole and the multi end face, and is a multipurpose production machine tool. The whole grinding cycle of the machine tool is automatically completed, including automatic feed, automatic repair of grinding wheel, automatic compensation, automatic control of size, the operator only need to install and disassemble the workpiece. The machine is suitable for both single and small batch production, and also suitable for large quantities of production

Structure characteristics and performance of machine tools

◎Automatic grinding the end surfaces of inner hole and outer of the work piece clamping at one time

◎The longitudinal motion of the table Z axis and the transverse feed of the grinding wheel X shaft are all controlled by SIEMENS AC servo system to control the high precision ball screw

◎The grinding wheel rack adopts linear rolling navigation

◎The worktable adopts flat V type sticking plastic navigation

◎Headstock adopts high precision roller bearing, AC variable frequency speed regulation

◎Rolling film chuck is used for workpiece clamping. Wedge type sliding jaw chuck and end face clamping chuck

◎The size control is measured by fixed grinding and measuring center. The accuracy of the range grinding is 1.015mm, and the grinding accuracy of the measuring instrument is less than 0.01mm

◎The coolant filtration uses a magnetic and paper precision over device

◎The grinding wheel shaft adopts high precision belt transmission mechanical grinding head or electric grinding head

◎The machine adopts full closed shell, and has mist absorption device, and also equipped with reliable safety protection measures

◎All the guideways and ball screws of the machine tool are centrally and automatically lubricated by the lubrication station

◎The electric box and the machine tool are the integral structure, the user does not need to carry on the machine tool and the electric box connection, occupied area can be small.

Technical parameter OF MK2120 CNC internal grinding machine introduction

Grinding diameter20-200mm
Max. Grinding depth200mm
Max. rotation diameter on working table620mm
Max. Stroke of table (Z axis)600mm
Max. Stroke of talbe (X axis)200mm 
Max.Speed of X axis8m/min
Max. Speed of Y axis5m/min
Rotation speed of spindle of the work piece100-500r/min
Max. Rotation angle of the head box30°
Total power of the machine tool18kw
Weight of machine tool4500kg
Roundness of inner hole0.002mm
Cylindricity of inner hole0.004mm
Surface roughness of inner holeRa0.32μm
Surface roughness of end surfaceRa0.63μme
Verticality betwen end surface and inner hol0.005mm

Experience and markets:

Our factory has more than 13 years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.

Packaging & Delivery

Packaging: Standard export wooden case

Shipping port: Shanghai port

Delivery time: 60~90 working days





Our Advantages

a. Extensive production experience: we are specialized in internal grinder & external grinder manufacturing of 13 years.

b. High quality raw material: we mainly choose raw material from big steel factory, which are best and largest raw material manufacturer in China.

c. Strict Physical/Chemical testing procedures: Highly meeting the requirements of the product design and process, providing reliable testing data.

d. Short Delivery time: If one set 15-20 days. We also stock some standard-sized raw material and configuration parts, if you need 1 set, we can delivery soon.

e. Safe packing: Waterproof plastic film will be wraped around before packed in wooden cases.

f. Best after-sale service: Over 50% products are sold to the Southeast Asia, Middle East and Europe, and all products are trusted by domestic and foreign customers.

Parts of customers

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1. Q:After we placing an order, will you arrange the installation of the machine at present?

A:All the machines will be tested well before delivered, so almost of them can be used directly, also our machine are easy to be installed, if you customer needs our assistance, we will be pleased to arrange the installation, but all the cost will be be charged by you.

2. Q:How can i get the after-service?

A: We will send you the spare parts by free if the problems caused by us.

If it is the men-made problems,we also send the spare parts,however it is charged. Any problem, you can call us directly.

3. Q:How can i trust your company?

A:With 13-years-professional design, we can provide you suitable suggestion and lowest price

1. Assessed by third party, national patents and CE, ISO for all equipment,  .

4. Q: why choose us?

A: We are one of High-tech Enterprises and Trustworthy Enterprises. Changyi is national famous brand, as an intelligent manufacturing enterprise, we had public listed in Jiangsu Equity Trading Center and we obtained the certificate of ISO9001.

5. Q: How about the metal plant coating?   

A: the whole machine is dealt with spray-painting, beautiful and anti-corrosion, also easy to clear.

Please feel free to send us your detailed requirements, you would be satisfied with our service.

Contact Below:


Add: Hengxin Road No.5, Qianqiao Hengyuanxiang Industrial Park, Wuxi City, Jiangsu

Contact: Ms.zeng

Mobile: +86-15852736128/13506159949

Tel: +86-510-83291139

Fax: +86-510-83273338



If you're looking for the automatic measurement cnc internal grinding machine, 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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