Precision CNC Internal Grinding Machine

MK215 CNC Precision internal Grinding machine i ntroduction Specifications: Related complete sets of equipment: 2 sets of MK215 equipped with robatic arm. Application: These two sets of MK215 can realise automatic feeding and unloading with robatic arm, once clamping, it can finish internal...

Product Details

MK215 CNC Precision internal Grinding machine introduction




Related complete sets of equipment: 2 sets of MK215 equipped with robatic arm.

Application: These two sets of MK215 can realise automatic feeding and unloading with robatic arm, once clamping, it can finish internal grinding (including internal hole, stepped hole, internal tapered hole), end-surface grinding. We customized for our stable client 715 Research Institute of CSIC

Technical parameters/Technical Data of CNC Precision internal Grinding machine

Grinding Scope

Internal diameter of grinding: φ5-50mm

Max. depth of grinding: 80mm

Max. rotary angle of the work head: 30°

Maximum stroke of X ais:80mm

Maximum stroke of Z ais:300mm

Machine overall dimension:2000X1600 X2000mm

Machine weight:1500kgs

Working precision

Roundness of inner hole: 2μm

Cylindricity of inner hole: 3μm

Surface roughness of inner hole: Ra0.4μm

roughness of end face: Ra0.8μm

Application: MK215 mainly used for grinding of internal hole, stepped hole, internal tapered hole and end face of work piece etc.

Original: Jiangsu, China

Certification: ISO9001,CE etc.

Price: Negotiable

Material: The body of machine tool adopts the cast iron for casting with compact structure, good stability and strong rigidity.

Voltage: 380V 50Hz, the voltage can be as local demand

Payment term: TT, LC

Delivery date: Negotiable

Packing: export standard (usually wooden box package)

Market: Middle East/ Africa/Asia/South America/Europe/North America

Warranty: 1 year

MOQ: 1 set

Equipment characteristics

1. Advanced Siemens CNC system, a simple user interface;

2. The machine tool adopts servo motor, and drives the ball screw movement through the coupler.

3.The guide rail uses the cross intersection type of the roller steel guide rail with high precision and good rigidity;

4. The grinding wheel spindle adopts the high speed electric spindle which is controlled by the static frequency converter to achieve stepless speed regulating.

5. The clamps of the machine work include three jaw chuck, pneumatic clamp, hydraulic clamp, film clamp and other clamps which are optional for users.

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.

Our Advantages

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

b. Complete production facilities: owning precision machining workshop, Mitutoyo Cylindricity tester and roughness tester, API Laser interferometer, Bearing tester, angle tester etc. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.

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

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

e. 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.

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

g. 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.

Production process:   

A:)internal grinding

B:)end surface grinding

C:)tapper hole grinding

D:)stepped hole grinding


2004 Wuxi Changyi Machine Tool Co.,Ltd. Founded, with main products of general internal and cylindrical grinding machine tools.

2005 Changyi started to supply machine tools to Military enterprises.

 start to export machine tools through trading companies in China.

2010 start to research and sell Semi-automatic machine tools.

 start to export machine tools through trading companies abroad.

2013 start to research and sell CNC machine tools.

2017 we established our export department, and start to export directly by ourselves.

Parts of customers

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1. Q:Are you a manufacturer, trading company or a third party?

A:We are a manufacturer, and we have builded up our company since 2004.

2. Q:Where is your factory located?

A:Our factory address is : No.5 Hengxin Road, Hengyuanxiang Industrial Park, Huishan District, Wuxi City, Jiangsu Province, China.

3. Q:How can i get to your factory?

A:Our factory is near shanghai Airport, we can pick you up in the airport.

4. Q:If i will need to stay in your place for few days, is that possible to book the hotel for me?

A:It’s always my pleasure, hotel booking service is available.

5. Q:What is your minimum order quantity, can you send me samples?

A:Our minimum quantity is 1 set, as our product is machinery equipment, it’s difficult to send you samples, however, we can send you catalog, warmly welcome you to come visit our company.

6. Q:Which level of quality are your products?

A:We have got CE, ISO certificate so far.

7. Q:What is the delivery time of your machine?

A:In general, the delivery time of our machine is about 30 days, customized machine will be delivered as the negotiation with our clients.

8. Q:Can the machine be customized as our need, such as put on our logo?

A:Surely our machine can be customized as your need, Put on your logo is also available.

9. Q:As the shipping period will take long time, how can you make sure the machine won’t be broken?

A:Our machine is waterproof film wrapped, and then wooden case packaged to make sure the machine can be delivered to our customer smoothly.

10. Q:About the after-sale service, how can you solve the problems occurred of your overseas customer in time?

11. 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.

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 precision 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.