Grinding machine

MR360

Machine specially designed for grinding circular bevels of watch crystals, compact, economical and easy to use.

Grinding

Informations and download

Applications

Circular sapphire crystal bevelling

Before bevelling

Bevelled zone

Characteristics

Digital Z axis with linear motor force-controlled during machining, to avoid chipping
With 3 linear axes and 1 rotary axis with manual adjustment
2 versions of tool spindle, 19'500 or 60'000 rpm
Compact and economic machine

Functionalities

Machining zone

High frequency tool spindle 60'000 rpm

Workpiece holder spindle

Version intégrée (option)

Specificities

Suitable for workpieces from Ø20...80 mm
Simple programming with machining reference by teach-in
Workpiece holding by vacuum and mechanical clamping

Number of axes (numerical)	5 (1)
	Travel	Type
Linear axis Z1	100 mm	numeric
Linear axis X	50 mm	manual
Linear axis Y	35 mm	manual
Linear axis Z	50 mm	manual
Rotary axis B	0...95°	manual


	Max. speed
Workpiece holder spindle S1 axis S1	1'500 rpm

Two spindle versions available
Spindle version (Max. speed)	19'500 rpm	60'000 rpm
Max. tool diameter	Ø100 mm	Ø100 mm
Nominal power	0.12 kW	0.35 kW
Clamping system	B8	Type CHK

Type of motor	Asynchronous
Type of cooling	Air

Type of lubricant (machining fluid)	Grinding oil
Dimensions L/D/H	750/870/850 mm
Empty weight (machine alone)	~250 kg
Supply voltage	400 V (3-phase)
Mains frequency	50 Hz
Installed power	6 kW
Network fuse (circuit breaker)	10 A
Air supply pressure	5 bar
Sound level	<75 dB

Type of lubricant (machining fluid)	Grinding oil
Dimensions L/D/H	950/900/1'760 mm
Empty weight (machine alone)	~450 kg
Supply voltage	400 V (3-phase)
Mains frequency	50 Hz
Installed power	9 kW
Network fuse (circuit breaker)	17 A
Air supply pressure	5 bar
Sound level	<75 dB

• Cooling liquid filtration system

• Extraction system

• Tool spindle 60'000 rpm

• Centre cooling

• Integrated version