Yuhuan CNC Machine Tool Co., Ltd.

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YH2M81180 vertical single-sided grinding and polishing machine

YH2M81180 vertical single-sided polishing machine is a new generation of machine tools developed on the basis of full market research and combined with the company's existing process technology and manufacturing technology, which aims to improve the surface machining accuracy of flake sapphire glass.

Keywords

Precision grinding, intelligent manufacturing technology, integrated solutions

Classification

Lapping & Polishing

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Typical Machining Parts

Typical Machining Parts

Sapphire Glass

Equipment Highlights

Equipment Highlights

(1) A progressive grinding and polishing pressure pressurization method is proposed, and a multi-station progressive grinding and polishing pressurization system is developed to solve the technical problems of surface damage caused by sudden pressure changes and reduce machining accuracy.

(2) The Z-γ double-degree-of-freedom center coincidence technology of the workpiece disc is developed, the non-clearance ball spline motion transmission structure is designed, the ball screw that transmits the linear motion is canceled, the transmission chain of the main motion is shortened, and the accumulation of manufacturing and installation errors of the transmission chain is reduced, and the rotation accuracy of the machine tool workpiece disc is improved.

(3) The single-sided polishing process of different materials is developed, the process parameters are optimized, the software with the function of statistical analysis of production information is developed, and the simultaneous operation of multiple machine tools is realized.

Technical parameters

Technical parameters

Item/Product Model	Unit	YH2M81180
Size of lower disc (outer diameter×thickness)	mm	Φ840 ×Φ600 × 500
Size of upper polishing disc (outer diameter×thickness)	mm	Φ305 × 20
Maximum dimension of machined part (diagonal of rectangular part)	mm	Φ280
Flatness of polishing parts	mm	0.008
Qualified rate of polished workpiece	1%	98.53%
Uniformity (standard deviation)	mm	0.096
Surface roughness of polishing parts	μm	Ra0.08
Lower disc speed (stepless speed regulation)	rpm	0~80
Upper speed	rpm	5~120
Lower disk motor power	KW	11
Rated speed	rpm	1440
Upper power	KW	3
Rated speed	rpm	1440
Overall dimension of equipment	mm	1800 × 1390 × 2800
Two correction wheel dimension thickness	mm	D=00