Integrated Boring & Milling for Engine Block Restoration
Merging professional cylinder boring and block surface milling functions into a single compact unit, the BM200 multifunctional machine streamlines cylinder bore repair and engine block resurfacing processes. It effectively shortens overall processing time and significantly boosts workshop operational efficiency for engine overhaul tasks, serving as a versatile all-in-one solution for engine rebuilding factories and automotive repair centers.
High Precision Machining for Professional Engine Rebuilding
Built with a maximum 200 mm boring capacity and certified H7-level machining accuracy, the BM200 delivers ultra-precise cylinder bore restoration. Its high-rigidity mechanical structure eliminates machining vibration and deformation, achieving outstanding roundness accuracy of 0.005 mm and cylindricity of 0.015 mm / 300 mm. Surface roughness of both boring and milling reaches Ra 0.8, ensuring stable, uniform and high-quality finishing for all professional engine rebuilding projects.
Versatile Machining for Automotive & Heavy-Duty Engines
Highly adaptable for diverse engine repair scenarios, the BM200 perfectly handles automotive engines, diesel engines, truck engines and industrial power units. Equipped with a 300 × 920 mm professional milling area and a generous 400 × 1,350 mm work table size with 1,200 mm longitudinal traverse, it provides flexible and reliable processing solutions to meet various complex cylinder block repair requirements for medium and large engine components.
Intelligent Control System for Higher Efficiency
Featuring the advanced EasyTouch 3 Axis control system and dual manual and electronic operation modes, the BM200 simplifies complex machining procedures. A 2 kW AC servo spindle motor paired with stepless 50 – 1,000 RPM speed adjustment and 10 – 900 mm/min precision feed control delivers outstanding accuracy and stable boring and milling performance. It lowers operation difficulty for technicians while greatly improving daily workshop productivity and processing consistency.
BM200 Technical Specifications
| Model | BM200 |
| Control system | EasyTouch 3 Axis |
| Boring capacity | 200 mm (7.87″) |
| Max. boring depth | 350 mm (13.8″) |
| Max. milling area (L × W) | 300 × 920 mm (11.8 × 36.2″) |
| Spindle speed | 50 – 1,000 RPM (stepless) |
| Spindle feeding | 10 – 900 mm/min (0.01 – 0.2 mm/r) |
| Rated torque of boring (50 – 500 RPM) | 58 N.m |
| Rated torque of boring (500 – 780 RPM) | 22 N.m |
| Spindle traverse | 600 mm (23.6″) |
| Distance between spindle end face and work | 0 – 700 mm (0 – 27.6″) |
| Distance between spindle axis and carriage | 380 mm (15.0″) |
| Longitudinal feeding of work table (electric) | 30 – 1,200 mm/min |
| Longitudinal quick travel of work table (electric) | 1,200 mm/min |
| Longitudinal traverse of work table | 1,200 mm (47.2″) |
| Cross traverse of work table | 100 mm (3.94″) |
| Work table size (L × W) | 400 × 1,350 mm (15.7 × 53.1″) |
| Boring accuracy | H7 |
| Working accuracy of roundness for boring | 0.005 mm |
| Working accuracy of cylindricity for boring | 0.015 mm / 300 mm |
| Working accuracy of flatness for milling | 0.0127 mm / 305 mm |
| Surface roughness of boring | Ra 0.8 |
| Surface roughness of milling | Ra 0.8 |
| Power of spindle motor | 2 kW AC servo motor |
| Motor power of work table movement | 0.4 kW |
| Motor power of spindle vertical movement | 0.4 kW |
| Overall dimensions (L × W × H) | 1,870 × 1,600 × 2,000 mm (73.6 × 63.0 × 78.7″) |
| Package size (L × W × H) | 2,200 × 1,450 × 2,250 mm (86.6 × 57.1 × 88.6″) |
| Net weight | 1,900 kg (4,189 lbs) |
| Gross weight | 2,300 kg (5,071 lbs) |
FAQ
1 What machining operations can the BM200 perform?
The BM200 is a versatile vertical machine that performs precision cylinder boring, main bearing bore line boring, and surface milling on engine blocks and cylinder heads. This multi-function capability allows a single machine to handle the three most critical engine machining operations — cylinder boring, line boring, and deck surfacing — making it a comprehensive engine rebuilding work center.
2 What engine types is the BM200 compatible with?
The BM200 handles a wide range of engine blocks and cylinder heads from passenger cars, light trucks, SUVs, and light commercial vehicles. Its adjustable workholding, variable spindle speeds, and versatile tooling make it suitable for both gasoline and diesel engines commonly found in automotive and light-duty applications.
3 What are the advantages of a combined boring and milling machine?
Combining boring and milling in a single machine eliminates the need for separate boring and surfacing stations, saving significant floor space and capital investment. It also streamlines workflow by reducing the number of times the engine block or cylinder head must be repositioned, which helps maintain machining accuracy and reduces total job time.
4 What level of machining accuracy does the BM200 achieve?
The BM200 is built with a precision-ground vertical spindle, rigid column structure, and fine-feed control system that delivers high dimensional accuracy and surface finish quality. It achieves the tight tolerances required for professional engine rebuilding, including accurate cylinder bore geometry, straight main bearing alignment, and flat deck surfaces essential for reliable head gasket sealing.
5 Is the BM200 a worthwhile investment for an engine rebuilding business?
Yes. The BM200 serves as a core work center in any professional engine rebuilding shop. Its multi-function capability (boring, line boring, and milling) replaces what would typically require two or three separate machines, offering an excellent value proposition. For shops rebuilding engines regularly, the BM200’s versatility and precision directly contribute to higher-quality rebuilds and faster turnaround times.
6 If the machine breaks down, how do you provide after-sales support? Do you provide operation videos?
Yes. We provide comprehensive after-sales support, including remote technical assistance, online troubleshooting, operation manuals, demonstration videos, maintenance tutorials, and live video guidance. If replacement parts are required, genuine spare parts can be supplied quickly to minimize downtime and keep your machine running efficiently.
7 Can you issue Certificates of Origin (CO), Form A, Form E, or other export documents?
Yes. We can provide the necessary export documents — including Certificates of Origin (CO) and other preferential certificates such as Form E — in accordance with the trade agreements and customs requirements of the destination country. We can also assist you in preparing commercial invoices, packing lists, bills of lading, and other export documentation.
8 What is your minimum order quantity (MOQ)? Do you support OEM & ODM customization?
Our standard MOQ is 1 machine for most models. We also provide OEM and ODM services for distributors and equipment brands, including custom logos, machine colors, nameplates, voltage, packaging, and other specifications to meet your market requirements.
9 Which shipping ports do you use? Can you deliver to my designated warehouse?
We typically ship from major Chinese ports, including Shenzhen, Guangzhou, Ningbo, and Shanghai. We can also arrange delivery to your designated warehouse, freight forwarder, or project site through flexible international shipping solutions.
10 How long does delivery take to my country?
Production typically takes 7-35 days, depending on the machine model and order quantity. Shipping time varies by destination and transportation method. Once your order is confirmed, we will provide a detailed production schedule and estimated delivery time.
