Vertical CNC Rotary Type Double End Grinding Machine Grinder

• After-sales Service: 1 Year
• Warranty: 1 Year
• Type: Surface Grinding Machine
• Model NO.: MD
• Abrasives: Grinding Wheel
• Controlling Mode: CNC
• Automatic Grade: Automatic
• Cylindrical Grinder Type: End Cylindrical Grinder
• Precision: Precision
• Certification: CE
• Condition: New
• Transport Package: Wooden Case
• Trademark: Minder
• Origin: China
• Production Capacity: 1000

Product Description

NC Gantry Vertical Spindle Double Ended Grinding Machine MKY7875
1.MKY7875 CNC vertical double-end face grinder is specially provided for piston rings, bearings, hydraulic parts, internal combustion engine parts, auto parts manufacturing and other industries. It can perform precision grinding on two parallel planes of metal and non-metal parts of various shapes at the same time.
Mainly: high-precision piston rings, bearing rings, valve seats, various valve plates, brake discs, blades, mobile phone aluminum plates, watch copper plates, etc.
2. The machine tool adopts a vertical gantry structure, and the upper and lower grinding heads are vertically placed on the same center line, with reliable rigidity and thermal stability.
3. The feeding mechanism of the upper and lower grinding heads adopts a servo control system. The minimum feeding value of the grinding wheel is guaranteed to be 0.001mm, and the grinding wheel consumption compensation and dressing compensation can be realized.
4. The grinding head spindle adopts AC variable frequency stepless speed regulation to meet various grinding process requirements.
5. The workpiece feeding mechanism adopts a disc feeding form, and the feeding speed can be variable frequency stepless speed regulation. The feeding mechanism and the column adopt a hinged structure, which is flexible to open. It is convenient to replace the grinding wheel.
6. Equipped with a constant temperature cooling system and a mist suction device with a magnetic separator and a paper belt filter.
7. Machine tool working accuracy:
Parallelism <0.005mm
Surface roughness Ra: 0.25μm.
The main technical parameter:

l t e m	Unit	Parameter
Diameter of work piece	mm	Φ30-Φ180
Thickness of work piece	mm	0.9-40
Dimensions of grinding wheel(outer dia×inner dia×thickness)	mm	750×305×70
Speed of main spindle of grinding head	r/min	0-760
Movement travel of grinding head	mm	130
Diameter of feeding disk	mm	820
Feeding speed	r/min	1-10
Total power of motor	Kw	22×2
Overall dimensions of the machine(L×W×H)	mm	2800 ×2800×3100
Weight of the machine	kg	12500

NC Gantry Vertical Spindle Double Ended Grinding Machine
MKY7860
1.MKY7860 CNC vertical double-end face grinder is specially provided for piston rings, bearings, hydraulic parts, internal combustion engine parts, auto parts manufacturing and other industries. It can perform precision grinding on two parallel planes of metal and non-metal parts of various shapes at the same time.
Mainly: high-precision piston rings, bearing rings, valve seats, various valve plates, brake discs, blades, mobile phone aluminum plates, watch copper plates, etc.
2. The machine tool adopts a vertical gantry structure, and the upper and lower grinding heads are vertically placed on the same center line, with reliable rigidity and thermal stability.
3. The feeding mechanism of the upper and lower grinding heads adopts a servo control system. The minimum feeding value of the grinding wheel is guaranteed to be 0.001mm, and the grinding wheel consumption compensation and dressing compensation can be realized.
4. The grinding head spindle adopts AC variable frequency stepless speed regulation to meet various grinding process requirements.
5. The workpiece feeding mechanism adopts a disc feeding form, and the feeding speed can be variable frequency stepless speed regulation. The feeding mechanism and the column adopt a hinged structure, which is flexible to open. It is convenient to replace the grinding wheel.
6. Equipped with a constant temperature cooling system and a mist suction device with a magnetic separator and a paper belt filter.
7. Machine tool working accuracy:
Parallelism <0.005mm
Surface roughness Ra: 0.25μm.

The main technical parameter:

l t e m	Unit	Parameter
diameter of work piece	mn	Φ25-Φ150
Thickness of work piece	mm	0.9-40
Dimensions of grinding wheel(outer dia *inner da×thickness)	mm	600×250(205)×63
Speed of main spindle of grinding head	R/min	0-890
Movement travel of grinding head	mn	120
Diameter of feeding disk	mm	820
Feeding speed	R/min	1-10
Toul power of motor	Kw	18.5×2
Overall size of the machine(L*W*H)	mm	2500*2500×2900
Weight of the machine	kg	10000

CNC Gantry Vertical Axis Disc Double End Grinding Machine
MKY7840

1. This machine tool is mainly used for large surface grinding of precision parts such as compressor vanes, hydraulic pump blades, gauge blocks, etc. It can also be used for grinding the two end faces of small high-precision piston rings, bearing rings, valve seats, alloy blades, watch accessories, mobile phone accessories and other parts.
2. The machine tool adopts a vertical gantry structure, and the upper and lower grinding heads are vertically placed on the same center line, with good rigidity.
3. The machine tool spindle adopts a precision electric spindle dedicated to double-end grinders. The bearings use P4 precision bearings produced by NSK, equipped with a special constant temperature water tank to control the temperature, reduce the influence of spindle temperature changes on the final size of the grinding workpiece, and the spindle speed adopts AC inverter stepless speed regulation to meet various grinding process requirements.
4. The machine tool adopts a disc feeding method, and the feeding speed can be variable frequency stepless speed regulation. The feeding mechanism and the column adopt a hinged structure, which is flexible to open. It is convenient to replace the grinding wheel.
5. The machine tool grinding head advance and retreat guide rail adopts high-precision cross roller guide rail, which has good rigidity, high repeat positioning accuracy and long service life.
6. The advance and retreat of the upper and lower grinding heads of the machine tool are controlled by the servo system to achieve a feed accuracy of 0.001mm.
7. Equipped with a constant temperature cooling system with a magnetic separator and a paper belt filter.
8. Machine tool working accuracy:
Dimension difference <0.01mm;
Parallel difference <0.005mm;
Surface roughness Ras0.25μm.

The main technical parameter:

ltem	Unit	Parameter
Diameter of work piece	mm	Φ5- Φ80
Thickness of work piece	mm	0.8-40
Dimensions of grinding wheel(outer dia *inner dia×thickness)	mm	400×127(150)×63
Speed of main spin die of grinding head	r/min	0-1440
Movement travel of grinding head	mn	110
Diameter of feeding disk	mm	580
Fooding speed	r/min	0.5-5.2
Total power of motor	Kw	7.5×2
Overall size of the machine(L*W*H)	mm	1710×1510×2100
Weight of the machine	kg	5000

NC Horizontal Spindle Double ended Grinding Machine
MKY7650/MKY7660

1. This machine tool is mainly used for grinding the two end faces of tapered and cylindrical rollers and small bearing inner sleeves, needle bearing inner sleeves, and linear bearings.
2. The machine tool adopts a disc feeding method, and the feeding speed is adjusted by an AC frequency converter to achieve stepless speed change of the feeding speed.
3. The machine tool adopts the HM manual interface to make the control more intuitive and accurate.
4. The machine tool guide rail adopts a cross roller linear guide rail, which has good contact rigidity and is easy to maintain.
5. The feeding of the machine tool grinding wheel adopts a PLC servo control system to ensure that the minimum feeding value of the grinding wheel is 0.001mm.
6. Machine tool working accuracy: (taking the bearing ring as an example)
Dimension difference: <0.01mm
Parallel difference: <0.002mm
Surface roughness: Ra≤0.32μm

Item	Unit	Parameter
		MKY7650	MKY7660
Diameter of work piece	mm	Φ3-Φ60	Φ5-Φ80
Thickness of work piece	mm	5-60	5-80
Dimensions of grinding wheel(outer dia×inner dia×thickness)	mm	500×305×63	600×305×63
Speed of main spindle of grinding head	r/min	1025	890
Diameter of the feeding disk	mm	Φ650 Φ700	Φ700 Φ750
Rotating speed of the feeding disk	r/min	0.5-7.5	0.5-7.5
Total power of motor	Kw	11×2	11×2
Overall dimensions of the machine (L x W×H)	mm	2965×2155×1700	3350×2600×1780
Weight of the machine	Kg	5000	8000

Vertical CNC Rotary Type Double End Grinding Machine
MKY7760

1. This machine tool is mainly used for grinding both end faces of various plate-type circular and special-shaped workpieces (bearings, piston rings, oil pump rotors, gears, etc.), especially for grinding both end faces of thin plate-type workpieces (air conditioning valve plates, brake discs, blades, auto parts, mobile phone aluminum plates, watch copper plates, etc.).
2. The machine tool adopts disc feeding and processes the workpiece by continuous grinding.
The machine tool guide rail adopts high-precision cross roller linear guide rail with good rigidity, high repeat positioning accuracy and long service life.
3. The grinding head advance and retreat, feeding, and automatic dressing of the grinding wheel are all controlled by electrical and hydraulic control.
4. The machine tool adopts HMI human-machine interface to make the control more intuitive and accurate.
5. Machine tool working accuracy: (taking bearing ring as an example)
Dimension difference <0.015mm
Parallel difference <0.005mm
Surface roughness Ra≤0.32μm
End face runout <0.01mm
 

Item	Unit	Parameter
Diameter of work piece	mm	Φ10-Φ150
Thickness of work piece	mm	0.9-40
Size of the grinding wheel(outside diameter×inside diameter× thickness)	mm	600×250 (205)×63
Speed of main spindle of grinding head	r/min	0-890
Movement travel of grinding head	mm	120
Diameter of the feeding disk	mm	820
Feeding speed	r/min	1-10
Total power of motor	Kw	18.5×2
Total power of motor	Kw	41
Overall dimensions of the machine(L×W×H)	mm	2200×1550×2550
Weight of the machine	Kg	7000

We have many senior experts in the welding industry, skilled in craftsmanship, and can provide long-term and perfect technological services. 
Pre-sale and after-sale technical support, 7*24 hours engineer service online.
Complete product technical training to ensure that customers use high-quality and stable equipment.


FAQ
1. About Price:
All of our prices are competitive and negotiable. The price varies depending on the configuration and customization complexity of your device.

2. About Sample:
We can provide sample production services for you, but you may provide some fees.

3. About Payment:
After the plan is confirmed, you need to pay us a deposit first, and the factory will start preparing the goods. After the equipment is ready and you pay the balance, we will ship it.

4. About Delivery:
After the equipment manufacturing is completed, we will send you the acceptance video, and you can also come to the site to inspect the equipment.

5. Installation and Debugging:
After the equipment arrives at your factory, we can dispatch engineers to install and debug the equipment. We will provide you with a separate quotation for this service fee.

6. About Warranty:
Our equipment has a 12-month warranty period. After the warranty period, if any parts are damaged and need to be replaced, we will only charge the cost price.