C6251 Precision Lathe

●Model: C6251×1500/2000/3000, max. swing diameter 510mm, center distance 1500/2000mm
●Spindle speed: 25-1600r/min, main motor power 7.5kw (10HP) 3PH
●Thread machining: metric/imperial/diametral pitch/module threads supported
●Standard accessories: 3-jaw/4-jaw chucks, steady rest, follow rest, operation manual

●High-precision machining with 510mm max swing diameter and 1500/2000mm center distance

●Versatile thread processing (metric/imperial/diametral pitch/module) for diverse needs

●25-1600r/min spindle speed & 7.5kw motor ensuring efficient and stable operation

●Complete standard accessories (chucks, steady/follow rests, tooling) for immediate use

Key Features

●High-precision machining with 510mm max swing diameter and 1500/2000mm center distance

●Versatile thread processing (metric/imperial/diametral pitch/module) for diverse needs

●25-1600r/min spindle speed & 7.5kw motor ensuring efficient and stable operation

●Complete standard accessories (chucks, steady/follow rests, tooling) for immediate use

Technical Specifications

Item	Specification
Model	C6246×1000	C6246×1500	C6246×2000
Maximum Workpiece Swing Diameter on Bed	460mm (18″)
Maximum Workpiece Swing Diameter on Carriage	270mm (10-3/4″)
Maximum Workpiece Swing Diameter Inside Saddle	690mm (27-1/8″)
Distance Between Centers	1000mm (40″)	1500mm (60″)	2000mm (80″)
Effective Length of Gap in Front of Faceplate	165mm (6-1/2″)
Bed Width	300mm (11-13/16″)
Spindle Nose	D1-6
Spindle Bore Diameter	58mm (2-1/4″)
Spindle Bore Taper	No.6 Morse
Spindle Speed Range	12 changes, 25～2000r/min
Cross Slide Travel	128mm (5″)
Compound Rest Travel	285mm (11-1/4″)
Maximum Tool Section	25×25mm (1″×1″)
Lead Screw Pitch	6mm or 4T.P.I.
Longitudinal Feed Rate	42 kinds, 0.031～1.7mm/rev (0.0011″～0.0633″/rev)
Cross Feed Rate	42 kinds, 0.014～0.784mm/rev (0.00033″～0.01837″/rev)
Metric Thread Range	41 kinds, 0.1～14mm
Imperial Thread Range	60 kinds, 2～112T.P.I.
Diametral Pitch Range	50 kinds, 4～112DP
Module Pitch Range	34 kinds, 0.1～7MP
Tailstock Sleeve Diameter	60mm (2-5/16″)
Tailstock Sleeve Travel	128mm (5″)
Tailstock Sleeve Taper	No.4 Morse
Main Motor	5.5kW (7.5HP) 3PH
Cooling Pump	0.1kW (1/8HP) 3PH
Overall Dimensions (L×W×H)	220×108×137 cm	275×108×137 cm	325×108×137 cm
Packing Dimensions (L×W×H)	225×112×162 cm	280×112×156 cm	330×113×156 cm
Net Weight	1720kg	1970kg	2120kg
Gross Weight	2045kg	2330kg	2515kg
Standard Accessories	3-jaw chuck, wrenches, reducing sleeves & centers, oil gun
Optional Accessories	4-jaw chuck, faceplate, steady rest, quick-change tool post, follow rest, driving plate, taper turning attachment

Item	Specification
Model	C6246×1000	C6246×1500	C6246×2000
Maximum Workpiece Swing Diameter on Bed	460mm (18″)
Maximum Workpiece Swing Diameter on Carriage	270mm (10-3/4″)
Maximum Workpiece Swing Diameter Inside Saddle	690mm (27-1/8″)
Distance Between Centers	1000mm (40″)	1500mm (60″)	2000mm (80″)
Effective Length of Gap in Front of Faceplate	165mm (6-1/2″)
Bed Width	300mm (11-13/16″)
Spindle Nose	D1-6
Spindle Bore Diameter	58mm (2-1/4″)
Spindle Bore Taper	No.6 Morse
Spindle Speed Range	12 changes, 25～2000r/min
Cross Slide Travel	128mm (5″)
Compound Rest Travel	285mm (11-1/4″)
Maximum Tool Section	25×25mm (1″×1″)
Lead Screw Pitch	6mm or 4T.P.I.
Longitudinal Feed Rate	42 kinds, 0.031～1.7mm/rev (0.0011″～0.0633″/rev)
Cross Feed Rate	42 kinds, 0.014～0.784mm/rev (0.00033″～0.01837″/rev)
Metric Thread Range	41 kinds, 0.1～14mm
Imperial Thread Range	60 kinds, 2～112T.P.I.
Diametral Pitch Range	50 kinds, 4～112DP
Module Pitch Range	34 kinds, 0.1～7MP
Tailstock Sleeve Diameter	60mm (2-5/16″)
Tailstock Sleeve Travel	128mm (5″)
Tailstock Sleeve Taper	No.4 Morse
Main Motor	5.5kW (7.5HP) 3PH
Cooling Pump	0.1kW (1/8HP) 3PH
Overall Dimensions (L×W×H)	220×108×137 cm	275×108×137 cm	325×108×137 cm
Packing Dimensions (L×W×H)	225×112×162 cm	280×112×156 cm	330×113×156 cm
Net Weight	1720kg	1970kg	2120kg
Gross Weight	2045kg	2330kg	2515kg
Standard Accessories	3-jaw chuck, wrenches, reducing sleeves & centers, oil gun
Optional Accessories	4-jaw chuck, faceplate, steady rest, quick-change tool post, follow rest, driving plate, taper turning attachment

Item	Specification
Model	C6246×1000	C6246×1500	C6246×2000
Maximum Workpiece Swing Diameter on Bed	460mm (18″)
Maximum Workpiece Swing Diameter on Carriage	270mm (10-3/4″)
Maximum Workpiece Swing Diameter Inside Saddle	690mm (27-1/8″)
Distance Between Centers	1000mm (40″)	1500mm (60″)	2000mm (80″)
Effective Length of Gap in Front of Faceplate	165mm (6-1/2″)
Bed Width	300mm (11-13/16″)
Spindle Nose	D1-6
Spindle Bore Diameter	58mm (2-1/4″)
Spindle Bore Taper	No.6 Morse
Spindle Speed Range	12 changes, 25～2000r/min
Cross Slide Travel	128mm (5″)
Compound Rest Travel	285mm (11-1/4″)
Maximum Tool Section	25×25mm (1″×1″)
Lead Screw Pitch	6mm or 4T.P.I.
Longitudinal Feed Rate	42 kinds, 0.031～1.7mm/rev (0.0011″～0.0633″/rev)
Cross Feed Rate	42 kinds, 0.014～0.784mm/rev (0.00033″～0.01837″/rev)
Metric Thread Range	41 kinds, 0.1～14mm
Imperial Thread Range	60 kinds, 2～112T.P.I.
Diametral Pitch Range	50 kinds, 4～112DP
Module Pitch Range	34 kinds, 0.1～7MP
Tailstock Sleeve Diameter	60mm (2-5/16″)
Tailstock Sleeve Travel	128mm (5″)
Tailstock Sleeve Taper	No.4 Morse
Main Motor	5.5kW (7.5HP) 3PH
Cooling Pump	0.1kW (1/8HP) 3PH
Overall Dimensions (L×W×H)	220×108×137 cm	275×108×137 cm	325×108×137 cm
Packing Dimensions (L×W×H)	225×112×162 cm	280×112×156 cm	330×113×156 cm
Net Weight	1720kg	1970kg	2120kg
Gross Weight	2045kg	2330kg	2515kg
Standard Accessories	3-jaw chuck, wrenches, reducing sleeves & centers, oil gun
Optional Accessories	4-jaw chuck, faceplate, steady rest, quick-change tool post, follow rest, driving plate, taper turning attachment

Item	Specification
Model	C6246×1000	C6246×1500	C6246×2000
Maximum Workpiece Swing Diameter on Bed	460mm (18″)
Maximum Workpiece Swing Diameter on Carriage	270mm (10-3/4″)
Maximum Workpiece Swing Diameter Inside Saddle	690mm (27-1/8″)
Distance Between Centers	1000mm (40″)	1500mm (60″)	2000mm (80″)
Effective Length of Gap in Front of Faceplate	165mm (6-1/2″)
Bed Width	300mm (11-13/16″)
Spindle Nose	D1-6
Spindle Bore Diameter	58mm (2-1/4″)
Spindle Bore Taper	No.6 Morse
Spindle Speed Range	12 changes, 25～2000r/min
Cross Slide Travel	128mm (5″)
Compound Rest Travel	285mm (11-1/4″)
Maximum Tool Section	25×25mm (1″×1″)
Lead Screw Pitch	6mm or 4T.P.I.
Longitudinal Feed Rate	42 kinds, 0.031～1.7mm/rev (0.0011″～0.0633″/rev)
Cross Feed Rate	42 kinds, 0.014～0.784mm/rev (0.00033″～0.01837″/rev)
Metric Thread Range	41 kinds, 0.1～14mm
Imperial Thread Range	60 kinds, 2～112T.P.I.
Diametral Pitch Range	50 kinds, 4～112DP
Module Pitch Range	34 kinds, 0.1～7MP
Tailstock Sleeve Diameter	60mm (2-5/16″)
Tailstock Sleeve Travel	128mm (5″)
Tailstock Sleeve Taper	No.4 Morse
Main Motor	5.5kW (7.5HP) 3PH
Cooling Pump	0.1kW (1/8HP) 3PH
Overall Dimensions (L×W×H)	220×108×137 cm	275×108×137 cm	325×108×137 cm
Packing Dimensions (L×W×H)	225×112×162 cm	280×112×156 cm	330×113×156 cm
Net Weight	1720kg	1970kg	2120kg
Gross Weight	2045kg	2330kg	2515kg
Standard Accessories	3-jaw chuck, wrenches, reducing sleeves & centers, oil gun
Optional Accessories	4-jaw chuck, faceplate, steady rest, quick-change tool post, follow rest, driving plate, taper turning attachment

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.