Jinan Auten Machinery Co., Ltd.

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High Accuracy Parts Industry CNC Grinding Machine With External Grinding Function

China Jinan Auten Machinery Co., Ltd. certification
China Jinan Auten Machinery Co., Ltd. certification
The cooperation is very enjoyable. Jinan Auten has an excellent professional team, the equipment works well and stable, the timely and enthusiastic after-sales service has impressed us. We hope that we can have more in-depth cooperation in the future!

—— PT. Bukaka

The CNC processing machine is easy for maintenance, high performance, moreover, the price is affordable.

—— Bob

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High Accuracy Parts Industry CNC Grinding Machine With External Grinding Function

High Accuracy Parts Industry CNC Grinding Machine With External Grinding Function
High Accuracy Parts Industry CNC Grinding Machine With External Grinding Function

Large Image :  High Accuracy Parts Industry CNC Grinding Machine With External Grinding Function

Product Details:
Place of Origin: China
Brand Name: Auten
Certification: ISO9001
Model Number: AT400
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Packaging Details: wooden case
Delivery Time: 60 days
Payment Terms: L/C, T/T
Supply Ability: 200 sets/year
Detailed Product Description
Function: External Grinding Max. machining OD : φ400 Mm
Center distance: 650/1000/1500 (mm) Swing  over  bed : φ450mm
Max. load of center distance: 150/225/320 (Kg) Max. feed speed: 20
Min. unit  feed : 0.001 (0.0001) Min Rotate speed: 300~1000rpm
High Light:

cnc internal grinding machine


cnc profile grinding machine

High Precision High Speed CNC External Grinding Machine High Efficiency and Low cost


Used for grinding of external cylinders or tapered face, end face, suitable for single-piece manufacturing and mass production in the field of high accuracy parts industry.


■Compact design, small footprint and good rigidity make it an ideal grinding machine for high quality of application fields and production environments.

■This kind of grinding wheel with the diameter of 600mm can be installed, which is the best choice for small batch and mass production.

■ The machine tools can be combined with a variety of automatic loading and unloading systems towards different client demands, such as robots, external or internal gantry structures, or other customized processing systems.


Technical parameter:

Name AT-80 AT-300 AT-400
Capacity Max. machining OD φ80mm φ300 mm φ400 mm
Center distance 250mm 650/1000/1500 (mm)
Swing over bed φ180mm φ350mm φ450mm
Max. load of center distance 50Kg 150/225/320 (Kg)
Grinder Size D×W×Aperture φ600x30-50xφ203 (mm) Φ600x50(100)xφ203(mm)
Rotate speed 3000rpm 4000rpm


Speed and Travel

Max. feed speed 10 20
Feed stroke 160mm 320mm 385mm
Min. unit feed 0.001 (0.0001) min
Spindle head Rotate speed 1000rpm 300rpm
Taper(Mohs) 3 5
Spindle form Centering/ simultaneously movement
Through-hole aperture φ26mm φ38mm
Tailstock Sleeve stroke 35mm 60mm
Taper (Mohs) 3 5
Worktable Max. moving unit 10m/min 20m/min
Min. moving unit 0.001 (0.0001) min
Lubricating and Cooling Grinding wheel spindle motor power 25KW
Oil pump motor output power 2.2KW
Lubevolume 2L
Cooling 1/4
Machine Weight 6000Kg 7000/7600/8200kg 7200/7600/8500Kg
Packing size(L×W×H) 2800x1800x2000 (mm) 3400x2200x2000 3800x2300x2000 (mm)


High Accuracy Parts Industry CNC Grinding Machine With External Grinding Function 0

Marble bed



■The bed of whole series of products are all made of marble.

■There are the advantages such as good vibration absorption performance , intensive to cold and heat, strong integration performance , with stability, environmental protection and energy saving, and so on.



▪High-precision on-line detector system is adopted

▪ The outer and inner diameter can be measured online simultaneously

▪ The workpiece that can be calibrated and measured

▪ Zero and reference points can be set for subsequent machining

▪ Reduce non-machining time during grinding

▪ Improve the accuracy of parts




▪ The most powerful CNC control unit

▪ The whole series of products adopt SIEMENS operating system

▪ SINUMERIK Brand-new SINUMERIK user operating interface

▪ Predetermine movement control to shorten processing time and improve the quality and accuracy of the workpiece surface

▪ It not only reduces the setup time and operation complexity of machine tools, but also makes it easy for operators to view and edit by equipping with a variety of grinding form procedure

▪ Ethernet, USB and flash card storage.

▪ The simplest interactive design, easy to learn, and large storage.

▪ Remote diagnosis and help, background editing function, setting a security password.



spindle-1.jpg spindle-2.jpg


▪ This spindle is a high-precision grinding spindle made in Switzerland, it is the best choice for the best process design, with the following best quality characteristics:

a. Short preheating time. Easy to operate, convenient maintenance and a wide range of applications

b. Good mechanical properties with durabilities

Grinding wheel repair system

grinding wheel repair system.jpg

High-precision motorized spindle-powered roller-type structural grinding wheel-repairing method, the best choice for high-precision and high-efficiency forming and dressing grinding, is mainly used for dressing internal and external cylindrical CBN grinding wheels, with characteristics of high dressing precision, high efficiency, good straightness, etc. The single point diamond pen dressing method can be chosen.

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Contact Details
Jinan Auten Machinery Co., Ltd.

Contact Person: Gaven

Tel: +86-13306412803

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