JPM618 Surface Grinder

●Model: JPM618; Maximum Grinding Dimensions (W×L×H): 170×500×270mm; Distance from Grinding Wheel Shaft Centerline to Worktable Surface: 380mm

●Spindle Speed: 2850r/min; Total Motor Power: 1.14kw; Grinding Head Motor Power: 1.1kw

●Thread Processing Capacity: Not applicable (specialized for surface grinding); Surface Roughness: Ra0.63μm; Parallelism of Machined Surface to Datum Plane: 300:0.01mm

●Standard Accessories: 2-axis 5U digital display, grinding wheel & flange, wheel dresser, permanent magnetic chuck (150×350), toolbox, etc. (15 items total)

●Optional Attachment: Electromagnetic chuck (alternative to standard permanent magnetic chuck); lifelong spare parts supply and technical support provided

●Rational structure, excellent rigidity, aesthetic appearance and user-friendly operation

●Wear-resistant worktable ball track with high-precision steel balls for smooth movement and improved efficiency

●Precisely scraped front and rear slides, paired with synchronous belt drive for durable and flexible manual worktable operation

●Ultra-precision P4-class ball bearings in spindle, labyrinth waterproof design ensuring long service life and low surface roughness

●Vibration-free and low-noise spindle motor, with imported Teflon wear-resistant sheets on guideways to reduce wear

●Optional permanent magnetic or electromagnetic chuck to meet different user needs

●Comprehensive standard accessories and lifelong spare parts supply with efficient after-sales service

Key Features

●Rational structure, excellent rigidity, aesthetic appearance and user-friendly operation

●Wear-resistant worktable ball track with high-precision steel balls for smooth movement and improved efficiency

●Precisely scraped front and rear slides, paired with synchronous belt drive for durable and flexible manual worktable operation

●Ultra-precision P4-class ball bearings in spindle, labyrinth waterproof design ensuring long service life and low surface roughness

●Vibration-free and low-noise spindle motor, with imported Teflon wear-resistant sheets on guideways to reduce wear

●Optional permanent magnetic or electromagnetic chuck to meet different user needs

●Comprehensive standard accessories and lifelong spare parts supply with efficient after-sales service

Technical Specifications

Item	Details	JPM618 Specifications
Worktable	Table Size (W × L)	150×450mm
	Maximum Grinding Dimensions (W × L × H)	170×500×270mm
	Longitudinal Travel	500mm
	T-slot (Number × Width)	1×14mm
Grinding Head	Maximum Distance from Grinding Wheel Shaft Centerline to Worktable Surface	380mm
	Vertical Feed Handwheel Feed Rate	Per Revolution	1.25mm
		Per Graduation	0.01mm
	Horizontal Feed Handwheel Feed Rate	Per Revolution	2.5mm
		Per Graduation	0.02mm
	Grinding Wheel Shaft Speed	–	2850r/min
	Grinding Wheel Size (Outer Diameter × Width × Inner Diameter)	–	￠175×13×￠31.75
Working Accuracy	Parallelism of Machined Surface to Datum Plane	–	300:0.01mm
	Surface Roughness	–	Ra0.63μm
Machine Weight	Net Weight	–	700kg
	Gross Weight	–	750kg
Motor Power	Total Motor Power	–	1.14kw
	Grinding Head Motor Power	–	1.1kw
Overall Dimensions	Length × Width × Height	–	1550×1110×1650mm

Item	Details	JPM618 Specifications
Worktable	Table Size (W × L)	150×450mm
	Maximum Grinding Dimensions (W × L × H)	170×500×270mm
	Longitudinal Travel	500mm
	T-slot (Number × Width)	1×14mm
Grinding Head	Maximum Distance from Grinding Wheel Shaft Centerline to Worktable Surface	380mm
	Vertical Feed Handwheel Feed Rate	Per Revolution	1.25mm
		Per Graduation	0.01mm
	Horizontal Feed Handwheel Feed Rate	Per Revolution	2.5mm
		Per Graduation	0.02mm
	Grinding Wheel Shaft Speed	–	2850r/min
	Grinding Wheel Size (Outer Diameter × Width × Inner Diameter)	–	￠175×13×￠31.75
Working Accuracy	Parallelism of Machined Surface to Datum Plane	–	300:0.01mm
	Surface Roughness	–	Ra0.63μm
Machine Weight	Net Weight	–	700kg
	Gross Weight	–	750kg
Motor Power	Total Motor Power	–	1.14kw
	Grinding Head Motor Power	–	1.1kw
Overall Dimensions	Length × Width × Height	–	1550×1110×1650mm

Item	Details	JPM618 Specifications
Worktable	Table Size (W × L)	150×450mm
	Maximum Grinding Dimensions (W × L × H)	170×500×270mm
	Longitudinal Travel	500mm
	T-slot (Number × Width)	1×14mm
Grinding Head	Maximum Distance from Grinding Wheel Shaft Centerline to Worktable Surface	380mm
	Vertical Feed Handwheel Feed Rate	Per Revolution	1.25mm
		Per Graduation	0.01mm
	Horizontal Feed Handwheel Feed Rate	Per Revolution	2.5mm
		Per Graduation	0.02mm
	Grinding Wheel Shaft Speed	–	2850r/min
	Grinding Wheel Size (Outer Diameter × Width × Inner Diameter)	–	￠175×13×￠31.75
Working Accuracy	Parallelism of Machined Surface to Datum Plane	–	300:0.01mm
	Surface Roughness	–	Ra0.63μm
Machine Weight	Net Weight	–	700kg
	Gross Weight	–	750kg
Motor Power	Total Motor Power	–	1.14kw
	Grinding Head Motor Power	–	1.1kw
Overall Dimensions	Length × Width × Height	–	1550×1110×1650mm

Item	Details	JPM618 Specifications
Worktable	Table Size (W × L)	150×450mm
	Maximum Grinding Dimensions (W × L × H)	170×500×270mm
	Longitudinal Travel	500mm
	T-slot (Number × Width)	1×14mm
Grinding Head	Maximum Distance from Grinding Wheel Shaft Centerline to Worktable Surface	380mm
	Vertical Feed Handwheel Feed Rate	Per Revolution	1.25mm
		Per Graduation	0.01mm
	Horizontal Feed Handwheel Feed Rate	Per Revolution	2.5mm
		Per Graduation	0.02mm
	Grinding Wheel Shaft Speed	–	2850r/min
	Grinding Wheel Size (Outer Diameter × Width × Inner Diameter)	–	￠175×13×￠31.75
Working Accuracy	Parallelism of Machined Surface to Datum Plane	–	300:0.01mm
	Surface Roughness	–	Ra0.63μm
Machine Weight	Net Weight	–	700kg
	Gross Weight	–	750kg
Motor Power	Total Motor Power	–	1.14kw
	Grinding Head Motor Power	–	1.1kw
Overall Dimensions	Length × Width × Height	–	1550×1110×1650mm

Case Study

We believe the projects that we have executed speak for themselves. CITIC HIC has engineered and provided 6 AG mills of Ø12.2m×11m (28000kW gearless drive) and 6 overflow discharge ball mills of Ø7.9×13.6m (2×9000kW gear drive) for Sino Iron Project in Australia. For Zijin Mining’s Duobaoshan Copper Mine project in Heilongjiang, we have manufactured and provided SAG mills of Ø11×6.4m (2×9000kW) and overflow discharge ball mills of Ø7.9×13.6m (2×9000kW) which have been well operating currently.

Since its establishment in 2003, “Dingya Precision Machinery” has consistently adhered to the philosophy of “being based on professionalism, driven by innovation, and supported by service.” The company specializes in the research and development of machining centers, turning-milling complexes, custom-built specialized machines, and machining production lines. It continuously introduces new models and has established production bases in Yunnan, Fujian, and Jiangsu, China, to meet market demands. These efforts have earned widespread favor and acclaim from customers.

The product line of “Dingya Precision Machinery” is exported to numerous countries and regions, including Europe, the United States, Japan, South Korea, and Southeast Asia. The company is also establishing local customer service centers and service teams to provide more convenient support for clients. We look forward to your partnership, all for the sake of delivering excellent machine tools!

Brazilian Miner Vale SA

23 large-scale ball mills, Ø5.5×8.8m

Wengfu Phosphate Mine Project Phase II in Saudi Arabia (Ma'aden)

6 wet grinding rod mills, Ø4.6×6.7m

Vedanta Project in South Africa

1 SAG mill, Ø8.5×5.5m

Laos Phonesack Group's KSO Gold Mine Project (83,000t/d)

6 SAG mills, Ø8.8×4.8m

Mongolian Erdenet Mining Corporation's Copper Mine Project (20,000t/d)

SAG mill, Ø9.75×4.88m

Full-process Solution for Mineral Grinding

Why Choose CITIC HIC's Grinding Mills

High cost-effectiveness
CITIC HIC grinding mills are recognized as China’s Manufacturing Industry Single Champion Product. CITIC HIC is responsible for setting the national standards of semi-autogenous mills (SAG mills) and ball mils, supported by powerful database, optimized process technology, cutting-edge design concept, and 60 years of experience in developing and nurturing innovative technology.
High operating rate
The long life cycle of our products is based on the adoption of international standards, high-quality materials, state-of-the-art processing techniques.
Low-carbon & environmental-friendly processes
Intelligent control technology coupled with long-life wear-resistant materials results in low-carbon and eco-friendly operations.
High-efficiency service
Our service network is distributed all over the world, and our service team of seasoned professionals is reliable and willing to assist along the way. We are able to deliver quick response to customer needs and provide full life cycle support via online monitoring and diagnosing, product upgrading and continuous process improvement.