Yuhuan CNC Machine Tool Co., Ltd.

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YHJMG72 Series High-Precision Vertical Slide Block Grinding Machine

The machine is primarily designed for profile grinding and surface grinding of linear components. It is suitable for precision grinding of a wide range of materials, including ferrous metals, non-ferrous metals, ceramics, and other non-metallic materials.

Keywords

Precision grinding, intelligent manufacturing technology, integrated solutions

Classification

CNC grinding machine series

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Typical Machining Parts

Equipment Highlights

The machine is designed for the high-precision grinding of flat surfaces, grooves, and side faces of linear guide blocks, and is widely used in machine tool manufacturing, industrial metrology, transportation equipment, and other precision manufacturing industries. The machine features closed hydrostatic guideways, a high-precision grinding wheel spindle, and high-rigidity fully enclosed castings, ensuring excellent machining stability and long-term accuracy retention. It achieves machining accuracy up to IT3–IT1 and a surface roughness of Ra ≤ 0.2 μm.
立式滑块磨床典型工件

Key Features

1.High Stability

The gantry-type fixed-beam structure, high-strength cast-iron machine bed, dual horizontal feed-axis configuration, multifunctional grinding head, and grinding wheel dresser ensure stable and efficient machine operation during high-speed, high-precision machining.

2.Long-Term Accuracy Retention

The X-axis features an adaptive balanced hydrostatic guideway with non-constant flow and non-constant pressure, providing ultra-low frictional resistance and no fatigue wear.

3.Full Closed-Loop High-Precision Control

The machine incorporates AC servo drives, high-precision ball-screw positioning, precision hydrostatic guideway guidance, and high-precision linear scale feedback to ensure accurate motion control.

4.High Performance

A high-precision built-in motorized spindle, oil-mist lubrication, centralized automatic lubrication, and multi-stage filtration and cooling systems ensure stable and efficient machine operation.

5.Ease of Operation and Safety

The machine is equipped with a standard CNC grinding machine control system, dedicated guide block grinding process software, and 24 V control components. Machining can be performed simply by entering the process parameters, with no programming required, enabling easy, safe, and efficient operation.

6.Patented Closed Hydrostatic Technology

The machine incorporates patented closed hydrostatic technology to ensure high machine rigidity.

Main Specifications

Parameter	Sub-Item	Unit	YHJMG7260	YHJMG7280
Worktable	Size	mm	600×600	1000×600
	Max.Load	Kg	600	500
Travel	X-Axis	mm	600	1000
	Y-Axis	mm	400	600

	Z-Axis	mm	300	300
Spindle	Speed	rpm	60,000	42,000
	Power	KW	6	10
Horizontal Sub-Spindle	Speed(Optional)	rpm	3,000	3,000
	Power	KW	1.25	1.25
Dressing Spindle	Speed	rpm	3,000	3,000
	Power	KW	3.2	3.2
Positioning Accuracy	X-Axis(No Grating)	mm	0.01	0.01
	Y/Z-Axis	mm	0.005	0.005
Repeat Positioning Accuracy	X-Axis	mm	0.008	0.008
	Y/Z-Axis	mm	0.002	0.002
X-Axis Straightness	Full Travel	um	4	4

Feed Rate	Grinding	mm/min	5-10,000	5-10,000
	Rapid(X/Y/Z)	m/min	20/10/10	20/10/10
Power &Dimensions	Total Power	KW	22	29
	Weight	Kg	~3,800	~5,500
	Footprint	m	4×2	5×2.2