I. Full-System Upgrade: A Technical Foundation Tailored for Precision Machining
- Dual Assurance of High Rigidity and Thermal Shock Resistance: The entire series features an HT300 integrated cast bed, treated with tempering and over 90 days of natural aging. Combined with a thermal shock-resistant design, it maintains stable precision during long-term, high-load machining, preventing part quality issues caused by equipment deformation. This technical advantage also positions Kurui as a core pillar among the world’s top oil seal lathe brands.
- Significant Efficiency Boost from Multi-Process Integration: It supports one-clamp completion of turning, milling, drilling, boring, and other processes, drastically reducing workpiece clamping times and changeover periods. This effectively minimizes errors from repeated clamping and significantly improves overall processing efficiency. For oil seal lathe factories, this feature directly translates to dual improvements in productivity and profitability.
- Flexible Configuration for Diverse Scenarios: Multiple spindle and turret configurations are available, with customizable machining lengths and spindle through-hole diameters. Whether for small-batch customized production or large-scale assembly line operations, it precisely matches production requirements. As a professional oil seal lathe manufacturer, Kurui Machinery can create customized precision machining solutions to meet client needs.
- Enhanced by Precision VDI Turret System: Equipped with a precision VDI turret system and a BMT55 power turret, the power head motor reaches a maximum speed of 5,000 rpm (with an optional 6,000 rpm). It handles not only standard precision machining tasks but also complex curved surfaces and special-shaped components, providing strong support for high-end precision manufacturing.

II. The Hardcore Strength of CRL52ME: Redefining High-Efficiency Machining Standards
- High Precision for Stable Output: The X/Z axes achieve a repeat positioning accuracy of ±0.002 mm, with a minimum input increment of just 0.001 mm. Combined with P-class guideway pairs from Yintai & Kaite and C3-class ball screws, it ensures machining precision and stability, meeting the stringent demands of precision manufacturing. This precision performance has earned Kurui Machinery a place among the world’s top oil seal lathe brands.
- Detail Design Extends Equipment Lifespan: Innovative designs such as an oil-cooled hydraulic station and liquid-cooled axial motors effectively control machine tool temperature rise and thermal deformation, slowing the aging of motors, screws, and bearings. This significantly extends equipment service life and maintenance efficiency. For oil seal lathe suppliers, equipment reliability is key to winning long-term customer trust.

III. Customized Services and Technological Innovation: Empowering Manufacturing Enterprise Transformation

Main Technical Parameters | |||
No. | Item | Unit | Parameter |
1 | Maximum Swing Diameter over Bed | mm | 660 |
2 | Maximum Swing Diameter over Cross Slide | mm | 430 |
3 | Spindle Through-hole Diameter | mm | 52 (Optional: 46/65/75/91) |
4 | Spindle Nose / Chuck | - | A2-5/3-Jaw 8-inch Chuck |
5 | Spindle Cylinder Model | - | Hollow 852 |
6 | Permanent Magnet Synchronous Direct Drive Motor | - | A5-15-80N1235-K75 |
7 | Model / Power / Speed / Torque | ||
8 | Tailstock Model | - | Morse Taper No.5 (Dual Hydraulic) |
9 | X-axis Effective Stroke | mm | 275*2 (Linear Guide Travel Distance) |
10 | Z-axis Effective Stroke | mm | 520 (Linear Guide Travel Distance) |
11 | Tailstock Effective Stroke | mm | 360 (Linear Guide Travel Distance) |
12 | X/Z-axis Motor Rated Torque | N.m | 11.5/15.2 |
13 | X/Z-axis Maximum Rapid Traverse Rate | mm/min | 25000/20000 |
14 | Power Head Motor Rated Torque | N.m | 11.5 (With Liquid Cooling, Optional: 8.4/15.2) |
15 | Power Head Motor Maximum Speed | r/min | 5000 (Optional: 6000/4000) |
16 | X/Z/Tailstock Axis Guide Rail Specification | mm | 35 Extended Square / 45 Extended Flange / 30 Square |
17 | X/Z-axis Ball Screw Specification | mm | 32*10/40*10 |
18 | X/Z-axis Repeat Positioning Accuracy | mm | ±0.002mm |
19 | X/Z-axis Minimum Input Increment | mm | 0.001 |
20 | Turret Specification | - | BMT55-12 Station |
21 | Power Tool Holder Specification | - | BMT55 |
22 | Standard Tool Holder Specification | mm | 25*25 + φ40 |
23 | Machine Tool Dimensions (L*W*H) | mm | 2450*1785*2075 (Excluding Warning Light) |
24 | Machine Gross Weight | kg | 4100 |
Our Capacity
Foshan Core Machinery Co., Ltd. was established in 2018 and is located in Guangdong Province, which has the reputation of being a world factory. It is a technology-based company that integrates design, production, and trade. In addition to owning the COORAY independent brand, it also provides OEM services for well-known foreign and domestic manufacturers.

The company's main products are CNC machine tools and spare parts, with the business philosophy of breaking the foreign technology blockade and developing high-end machine tool equipment in China. It has absorbed engineers and design production personnel from various high-end brands around the world such as Mazak, Tsugami, Takizawa, Okuma, DMG, etc. The total number of employees exceeds 300, including a design team of 30, a production team of 200, and an after-sales and sales team of 30.
FAQs
1.How to obtain a quotation?
Answer: You can inquire through WeChat or send an email. If you could provide us with detailed requirements, that would be even better. We will reply to you within 1 hour.
2.How to choose the most suitable machine?
Answer: Please let us know your specifications and we will select the best model for you, or you can choose the exact model. You can also send us the product drawings, and we will select the most suitable machine for you.
3.Is your company a factory or a trading company?
Answer: We are a limited company that integrates production, trade, and research and development.
4.Can we go to your company's factory to learn how to use machines?
Answer: We sincerely welcome you to this beautiful city. The training is free, it would be our great honor.
5.What is your delivery time?
Answer: Generally speaking, a machine takes 30 days. If there is inventory, we will arrange shipment as soon as we receive payment.
6.Technical support
Answer: Provide technical response within 12 hours and troubleshooting solutions within 48 hours.
7.Demonstration and Testing
Answer: We have established a training center for customers and employees to learn machine tool operation. You are always welcome to visit our factory for machine tool demonstrations. In addition, we can also demonstrate based on the equipment parts drawings you provide.
Keywords