Details

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The Alpha-660/661 is a dual-disc manual-automatic grinder and polisher designed for precision sample preparation. It features independent motor drives for the head and polishing discs, supporting disc diameters from 200mm to 300mm. The machine offers two pressure modes: central and individual loading. An optional peristaltic pump system with up to four channels is available for precise dispensing of polishing solutions. The system allows for the programming and storage of up to 20 commonly used grinding and polishing procedures, ensuring consistent and reproducible results with ease and efficiency.

Features：
1、Constructed with a cast aluminum shell and SMC standard loading cylinders, the design is more reliable, robust, and durable;
2、Features a 7-inch touchscreen panel with a user-friendly and intuitive interface;
3、Dual-touchscreen design with independent control of dual motors, allowing simultaneous automatic and manual grinding;
4、The sample holder height is adjusted using a dual-hand safety button, requiring simultaneous activation;
5、Offers both central and individual loading options; central loading allows for precise, alpha-660 offers quantitative grinding;
6、Optional peristaltic pump system with four channels for precise solution dispensing;
7、Includes 20 pre-programmed grinding and polishing processes, with support for custom parameter storage;
8、Equipped with a large-diameter side-outlet drainage system to prevent clogging and facilitate easy drainage;
9、Features a detachable faucet design for easy cleaning and maintenance of the discs；
10、Built-in automatic temperature-sensitive cooling fan reduces failure rates and extends service life.
Main technical parameters

Model		Alpha-660		Alpha-661
Grinding Head	Loading force	Individual loading & Central loading		Individual loading & Central loading
	Central loading	20-360N		20-360N
	Individual loading	5-60N		5-60N
	Power	220V, 750W		220V, 750W
	Speed	20-150rpm		20-150rpm
	Direction	CCW/CW		CCW/CW
Main Unit	Power	220V, 2x750W		220V, 2x750W
	Speed	50-600rpm		50-600rpm
	Diameter	10"/254 (8" /203mm, 12"/305mm optional)		10"/254 (8" /203mm, 12"/305mm optional)
	Direction	CCW		CCW
Quantitative Function	Accuracy	±0.1mm		×
	Quantitative Height	0.1mm-10mm		×
Dosing System (optional)	Type	Peristaltic pump, DC24V, 10W		Peristaltic pump, DC24V, 10W
	Flow	Maximum flow rate: 52ml/minute		Maximum flow rate: 52ml/minute
	Amount	4		4
Clamping Disc	Individual loading	Standard: 6xΦ30mm(6xΦ32mm,6xΦ40mm,6xΦ50mm optional)		Standard: 6xΦ30mm(6xΦ32mm,6xΦ40mm,6xΦ50mm optional)
	Center loading	Standard: 6xΦ32mm(6xΦ25mm,6xΦ40mm,6xΦ50mm optional)		Standard: 6xΦ32mm(6xΦ25mm,6xΦ40mm,6xΦ50mm optional)
Environment	Temperature	-10˚C - 60˚C		-10˚C - 60˚C
	Humdity	0-95%RH		0-95%RH
Dimension	WxDxH	716x907x700mm		716x907x700mm
Weight		100kg		100kg