Gear-headed with high spindle speed for precision turning;
Wide very rigid machine bed is of double-wall ribbed structure and features superb rigidity;
Bed ways ultrasonic frequency quenched to hardness HRC 52 and precision ground to ensure a long accurate service life;
Removable gap section is provided for swing of workpieces with large diameters;
Gears in headstock and feed gearbox hardened and precision ground for low noise in running;
Three-point-mounting spindle mounted on high-precision tapered roller bearings and high-precision angular contact ball bearings for high-speed accurate revolutions;
Automatic feeds and threading operations are fully interlocked;
Maximum accuracy and quiet operation even at high speed;
High machining capacity with high power main motor;
Large spindle bore diameter for machining of long bars;
Feed gearbox well sealed to eliminate leakage;
The machine can turn enough kinds of metric threads, inch threads, whitworth threads, diametral pitch threads and module threads;
Tailstock locked by thread and cam lock;
Tailstock is adjustable in the cross direction for turning tapers on workpieces;
Electric system is reliable and safe. The main power supply is shut off automatically when the electricity cabinet is opened or the change gearbox's hood is opened;
Longitudinal mechanical stop provides quick and effective start or stop during the operation of the machine, thus decreases the standby time and improves the productivity;
Digital readout (2-Axis) is mounted on this machine;
Taper turning attachment is supplied with this machine;
One-piece casting base provides enhanced rigidity for the whole machine;
Machine color is coated at buyer option.
Standard Accessories:
4 jaw chuck Φ 1000mm
Morse reduction metric 80/M. T. NO. 6
Morse reduction metric 140/M. T. NO. 6
Wrenches
Centers M. T. NO. 6
Operation manual
Optional Accessories:
4 jaw chuck Φ 1250mm
Follow rest
Steady rest
| Specification |
| Model | HL21000C | HL21250C | HL21400C |
| Max.swing diameter | Over bed | Φ1000 mm | Φ1250 mm | Φ1400 mm |
| Over carriage | Φ600 mm | Φ865 mm | Φ1015 mm |
| Over gap | Φ1380 mm | Φ1750 mm | Φ1900 mm |
| Width of bed | 755 mm |
| Effective length of gap | 590 mm |
| Max.length of workpiece (two centers) | 1.5/2/3/4/5/6/8/10/12 m |
| Maxi. turning lengh | 1.35/1.85/2.85/3.85/4.85/5.85/7.85/9.85/11.85 m |
| Max.weight of workpiece between centers | 5000 kg |
| Spindle | Spindle nose | A2-15 |
| Spindle bore | Φ130mm |
| Taper hole | Metric Φ140 1:20 |
| Number of speeds | 24 (normal) 12 (reverse) |
| Spindle speed scope | 2.5~250rpm(normal) 3.15~250rpm(reverse) |
| Pitch of longitudinla ball screw/diameter | 12mm / Φ70mm |
| Number of cross feeds | 97 |
| Feed range of tool post for per rev. of spindle | Longitudinal | 0.1~12 mm/r |
| Cross | 0.05~6 mm/r |
| Middle tool post | 0.025~3 mm/r |
| Rapid traverse | Longitudinal | 3740 mm/min |
| Cross | 1870 mm/min |
| Middle tool post | 935 mm/min |
| Thread cutting&range | Metric pitch threads | 1~120 mm/45 |
| Whit-worth threads | 30~1/4 TPI/42 |
| Module threads | 0.5~60 mm/46 |
| D.P.threads | 1/2~60 DP/48 |
| Vertical distance from spindle center to installing basis | 41mm | 51mm | 51mm |
| Size of tool shank | 40 x 40 mm | 50 x 50 mm | 50 x 50 mm |
| Swing angle of tool post | ±90º |
| Max.travel of top slide | 200 mm |
| Max.travel of middle tool post | 400 mm |
| Tailstock sleeve | Taper of bore | M.T.No.6 |
| Max.traverse | 300 mm |
| External diameter | Φ160 mm |
| Power of main motor | 22 kw |
| Rapid feed motor power | 1.5 kw |
| Coolant pump power | 0.25 kw |
| 3m Overall dimensions (L x W x H) (mm) | 6000 x `1860 x 1700 | 6100 x 1860 x 1900 |
| Net weight (3m) | 11200 kg | 12500 kg |
| Note: For each additional machine length of 1m, there will be additional net weight of 1000kg. |
We supply from China machine tools and their accessories for metal cutting and metal forming industries. Our products include lathes, milling machines, drilling machines, grinding machines, sawing machines, boring mills, CNC machines etc. And their accessories such as rotary tables, dividing heads, lathe chucks, centers, NC turrets, hydraulic steady rests, etc. Benefitting from long-term successful cooperations with many competitive domestic machine tool manufacturers and consistently devoting all our efforts to customer services, we have been supplying our products to markets throughout the world including North America, South America, Europe, Australia, Asia, Africa and the Middle East, and enjoy a good reputation among our customers.
We take high quality of products and customer satisfaction as the first priority in our business. Therefore, according to ISO standards, our domestic standards and other standards specified by our customers, we implement strict in-process quality control measurements throughout the manufacturing and inspection processes to ensure to achieve high quality products and on-time delivery for our customers. Meanwhile, we provide a one-year warranty which is counted from the shipment date for any products delivered from us and free new parts can be sent to customers to repair or replace the defective parts within this warranty period. Additionally, at the customer's request, we can deploy engineers to the customer's site to help install the machines tools and train the operators. After the sales of a machine tool, we are continuously keen on helping our customer to keep it perform excellently in operations.
Dependable quality, competitive prices and reliable warranty are the characteristics of our products with which we are confident to help you improve your supply chain and succeed in your business. When you need any machine tools or accessories, please send us an inquiry. We are here 7-day-a-week ready to be involved in your efforts on sourcing for machine tools or accessories. We are confident that we can quickly and effectively provide you valuable information and quality-dependable products. Hope to hear from you and offer our best to you!
