Versatile Lathe for Complex Spindle Neck and Crankshaft Operations

This series of CNC crankshaft Spindle Neck Lathe are high-precision, high-efficiency CNC machine tools developed for the main journals of automobiles, diesel engines, and marine crankshafts and camshafts.
SPECIFICATION | UNIT | CKY4240 | CKY4256 | CKY4263 | ||
Capacity | Swing over bed | mm | 400 | 560 | 630 | |
Maximum turning diameter | mm | 300 | 400 | 500 | ||
Swing over cross slide | mm | 260 | 380 | 600 | ||
Distance beween certers | mm | 500/1000 | 750/1000/1500 | 1000/1500/2000 | ||
Slant bed layout angle | 45 | 45 | 45 | |||
Spindle | Spindle nose type | A2-6 | A2-8 | A2-8 | ||
Spindle bore taper | 80 | 100 | 100 | |||
Spindle bore | mm | 72 | 80 | 90 | ||
Spindle speed range | rpm | 50-2000 | 50-1200 | 50-1000 | ||
Hydraulic chuck | in | 10 | 12 | 15 | ||
Main spindle motor | kW | 15 | 18.5 | 22 | ||
Turret | Turret tool post | - | Hydraulic turret 12 position | Hydraulic turret 12 position | ||
Tool shank size | mm | 420 | 600 | 650 | ||
Boring tool holder size | mm | 14-18 | 16-22 | 18-32 | ||
Feed | X axis travel | mm | 245 | 335 | ||
Z axis travel | mm | |||||
Motor torque | Nm | 8/12 | 22/22 | 22/22 | ||
X axis rapid traverse | mm/min | 20000/Linear guideway | 10000/Hard guideway | 10000/Hard guideway | ||
Z axis rapid traverse | mm/min | 20000/Linear guideway | 10000//Hard guideway | 10000/Hard guideway | ||
X/Z axis | mm | 0.001 | 0.001 | 0.001 | ||
Dimension | Width x Height | mm | 1800×1800 | 2050x2300 | 2050×2300 | |
Weight | Net weight | T | 4.0/6.5 | 7.0/8.0 | 8.0/12.0 |
In addition to displaying products, we also provide customized services to meet your special needs.





The company is equipped with more than 500 sets of professional production equipment such as casting, forging, machining, heat treatment, etc. The main products are general CNC lathe series, pipe thread lathe series, cylinder special lathe series, heavy lathe series, milling compound, machining center and various industry special machines. The annual production capacity of various lathe series with flat bed and inclined bed structure is more than 1,000 sets; the products are sold well all over the country and exported to more than 30 countries and regions. They are widely used in oil extraction, geological exploration, mineral mining engineering machinery, chemical smelting, pipeline construction, machinery manufacturing and shipbuilding in various countries around the world.
We will always adhere to the cooperation principle of "quality-oriented, integrity and win-win", wholeheartedly provide our customers with high-quality products and thoughtful services, and look forward to cooperating with you sincerely to create a better tomorrow!
Shandong HQ Precision Technology Co., Ltd. has a full set of advanced casting processing equipment and high-end testing equipment, strictly controls product quality, ensures the high precision and long-term stability of mechanical equipment, and provides customers with excellent and reliable solutions.
*All processes are completed in our own factories, and each link is strictly controlled to ensure that the accuracy, stability and reliability of the lathes reach the industry-leading level.

We are committed to providing customers with a full range of foreign trade services.
1. In the pre-sales stage, we provide professional consulting, sample support and customization services to ensure that you find the most suitable products.
2. In the sales stage, we provide order tracking, production monitoring, logistics arrangement and document handling services to ensure the smooth execution of orders.
3. In the after-sales stage, we provide quality assurance, technical guidance, maintenance and customer return visit services to ensure that you have no worries.

Customer Cases & Exhibitions


A: Yes, we have the ability to do OEM / ODM to meet clients' requirements.