Computer-Optimized Rigid Body & 30% Less Cutting Force
This updated machine frame undergoes computer simulation to optimize dynamic and static rigidity, cutting required cutting force by 30% during valve seat machining. It locks compound angle tool precision within 0.5°, eliminating uneven cutting and angle deviation for consistent OEM-standard valve seat profiles across all overhaul jobs.
Triple Air-Floating Centering Lightweight Workhead
Equipped with a lightweight integrated workhead built around triple air-float automatic centering system. Low workhead inertia and maximum floating sensitivity deliver unmatched positioning concentricity, paired with pneumatic table bar clamping to simplify cylinder head fixture setup and shorten workpiece switching time drastically.
Constant-Torque Integrated Variable Speed Spindle
Adopts fully integrated sensorless vector flux control spindle motor with 100–1200 RPM stepless adjustable speed. It maintains stable constant torque at low rotation speeds, with digital RPM readout for precise speed calibration. The wide torque range perfectly matches rough boring and fine finishing of 14–60mm valve seat bores.
All-Round Precision Solution for Multi-Scenario Engine Rebuild
Covers a 14–60mm full machining range for gasoline, diesel, motorcycle and light commercial vehicle engines, with stable Ra0.6 ultra-smooth surface finish to guarantee tight valve sealing. Durable industrial-grade construction supports long continuous operation, widely favored by engine remanufacturing factories and professional cylinder head repair workshops worldwide.
Technical Specifications
| ITEM | BV60 | BV60S |
|---|---|---|
| Max. Boring Dia. | 14–60 mm | 14–60 mm |
| Max. Length of Cylinder Head | 1200 mm | 1000 mm |
| Max. Width of Cylinder Head | 500 mm | 420 mm |
| Max. Height of Cylinder Head | 450 mm | 170 mm |
| Work Head Longitudinal Travel | 930 mm | 870 mm |
| Work Head Cross Floating Travel | 40 mm | 30 mm |
| Sphere – Cylinder Travel | 10 mm | 10 mm |
| Floating angle of Spindle | ±3° | ±3° |
| Vertical Travel of Spindle | 200 mm | 170 mm |
| Power of Spindle | 0.4 kW Servo Motor | 0.4 kW Servo Motor |
| Spindle Speed | 0–1200 RPM stepless | 0–1000 RPM stepless |
| Power of Tools Grinder | 0.12 kW | 0.37 kW |
| Required Rated Air Pressure | 5 Bar / 73 PSI; 300 L/Min | 5 Bar / 73 PSI; 300 L/Min |
| Overall Dimension (L×W×H) | 1400×1050×2100 mm | 1350×930×1800 mm |
| Package Size (L×D×H) | 1600×1040×2200 mm | 1900×1330×2100 mm |
| N.W / G.W. | 1000 Kg / 1200 Kg | 850 Kg / 980 Kg |
Product Video
FAQ
1. How does the BV60 ensure accurate valve seat concentricity?
The BV60 uses a precision pilot-guided centering system to align the cutting tool with the valve guide, ensuring excellent concentricity between the valve guide and valve seat. Accurate alignment improves valve sealing, combustion efficiency, and engine reliability while reducing the need for corrective rework. Maintaining concentricity with the valve guide is one of the most important factors in professional valve seat machining.
2. Can the BV60 machine hardened valve seats and multiple seat angles?
Yes. The BV60 is designed to machine both standard and hardened valve seat inserts. It supports the common 30°, 45°, and 60° seat angles used in modern gasoline and diesel engines, allowing technicians to restore the correct seat geometry for improved airflow and sealing performance. Multi-angle cutting is widely recommended for professional cylinder head rebuilding.
3. Is the BV60 suitable for small engines as well as automotive cylinder heads?
Absolutely. Thanks to its high-precision pilot system, the BV60 can machine valve guides with very small diameters, making it suitable for motorcycles, passenger cars, light commercial vehicles, and many compact diesel engines. This versatility allows workshops to service a wider range of cylinder heads with a single machine.
4. Is valve lapping still required after precision valve seat cutting?
In many cases, precision seat cutting significantly reduces or eliminates the need for extensive valve lapping. When the valve guide, seat angle, and seat width are machined accurately, only a light contact check may be required before assembly. Modern engine rebuilding increasingly relies on precision cutting rather than heavy manual lapping.
5. Why choose the BV60 for professional cylinder head rebuilding?
The BV60 combines precision valve guide alignment, multi-angle seat cutting, and compatibility with a wide range of engine types in one compact machine. It helps workshops improve machining accuracy, reduce setup time, expand service capabilities, and deliver consistent valve sealing quality for gasoline and diesel engine rebuilding. Professional buyers are generally advised to evaluate rigidity, tooling compatibility, and machining accuracy when selecting a valve seat machine.
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.
