M8340 Ultra-High-Speed CBN Convex-Concave Composite Surface Follow-Up CNC Grinding Machine
Product Description
Machine Tool Overview
The M8340 is a new type of composite follow-up CNC grinding machine, primarily designed for the CNC machining of various shaped composite surfaces and concave camshafts. It is an ideal finishing equipment for concave camshafts used in engines that meet the international Euro IV and Euro V emission standards.
Main features of the machine tool
■ Equipped with the German Siemens (SIEMENS) 840D SL CNC system.
■ It employs camshaft CNC grinding software with our company’s proprietary intellectual property rights.
■The machine tool features a dual-grinding-head, dual-feed system for follow-up grinding. The large grinding wheel has a diameter of Φ400mm, and its spindle can reach a maximum speed of 5,000 rpm. The small grinding-wheel spindle can accommodate a Φ125mm grinding wheel with a maximum speed of 15,000 rpm, enabling the grinding of complex-shaped composite surfaces as well as concave and convex cams.
■ The wheel feed utilizes cylindrical hydrostatic guideways with our company’s proprietary intellectual property, and both the large and small grinding heads are equipped with electric spindles featuring liquid hydrostatic and hydrodynamic bearings, also developed under our company’s own intellectual property rights.
■ Equipped with an integrated online grinding wheel dynamic balancing, backlash elimination, and collision prevention system by Italian Marposs.
■ Equipped with the AROBOTECH automatic tracking center frame from the United States.
■ The headstock features high-precision, high-rigidity hydrostatic bearings and a Siemens torque motor.
■This machine tool can be equipped with a robotic arm for loading and unloading, enabling fully automatic control and meeting the requirements of automated production in assembly lines.
Main specifications and technical parameters
| Project | Unit | Specifications |
| Maximum length of machined parts | mm | 1000 |
| Maximum diameter of machined part | mm | Φ400 |
| Maximum weight of machined parts | Kilogram | 160 |
| Maximum eccentricity of non-circular parts | m/s | 30 |
| Maximum linear speed of grinding wheel (CBN grinding wheel) | mm | 120 |
| CBN Grinding Wheel Specifications (for Grinding External Concave and Convex Camshafts) | mm | Ф400×Ф152.4×B |
| Ф125X B(≤40) | ||
| Workpiece rotational speed (constant linear velocity) | RPM | 0-300 |
| Base circle runout error | mm | 0.02 |
| Non-circular cross-section angular error | ′ | ±10 |
| Error in Non-Circular Cross-Section Contour Curves | mm | ±0.025 |
| Adjacent pitch error of non-circular cross-section | mm/° | ±0.004 |
| Parallelism between Non-Circular Cross-Sections and Generators | mm | 0.005 |
| Grinding surface roughness | micrometer | Ra ≤ 0.4 |
| Number of linked axes | / | Six-axis two-linkage |
| CNC system | / | SIEMENS 840D SL |
| Total machine power | Kw | 100 |
| Total weight of the machine tool | Kilogram | 22000 |
| Machine tool external dimensions (length × width × height) | mm | 6400×2450×2100 |
Key words:
M8340 Ultra-High-Speed CBN Convex-Concave Composite Surface Follow-Up CNC Grinding Machine
Related Products
Welcome your message consultation
Any questions? Keep in touch. We 'd love to hear from you.
Service provider of
complete automation solutions
COMPANY ADDRESS
Address:No.58, Juye Road, Jiaojiang District, Taizhou City, Zhejiang Province, China
Sign up to our Newletters.
Sign up to get first dibs on new arrivals, sales, exclusive content, events and more!
Copyright © 2025 Zhejiang Jack Intelligent Equipment Co., Ltd Powered by:www.300.cn seo