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Professional Machinery For CNC Valve Grinding

We are specialized in Special Purpose Machines for Engine Valves and provide accessories. Our machines include automatic loading and unloading, designed to be fast, flexible, and reliable.

Explore Our Machines

Welcome to JiaNuoHao

Pioneering Valve Machinery Solutions with over a decade of expertise in designing and manufacturing high-precision CNC machines for engine valves. We specialize in delivering reliable, efficient, and automated solutions tailored to the evolving needs of the automotive and industrial sectors.

Our commitment to innovation ensures that every machine we produce meets the highest standards of performance, durability, and precision. From valve grinding to cutting, drilling, and full production lines, we offer comprehensive solutions that enhance productivity and reduce operational costs.

  • Specialized in Engine Valve Machinery
  • Automated Loading & Unloading Systems
  • Global Support & Technical Service
Valve Machinery Workshop

Our Products

Explore our range of high-precision CNC machines designed for engine valve manufacturing and processing.

Valve Grinding Machine

Valve Grinding Machine

Accurate customized engine valve groove & tip radius grinding machine. Suitable for engine inlet and exhaust lock slot grinding.

  • • Precision grinding for lock slots
  • • High durability and repeatability
  • • Automatic loading/unloading
CNC Cutting Machine

CBN Valve Cut Off Machine

High-efficiency solution for precision cutting of engine valve stems with CBN grinding wheel.

  • • Spindle speed: 4000–6000 RPM
  • • Wheel speed: 80–120 m/s
  • • Burr-free, clean cuts
CNC Drilling Machine

CNC Drilling Machine

High-precision drilling for engine valves with automated control and consistent accuracy.

  • • CNC-controlled drilling depth
  • • Compatible with multiple valve types
  • • Low maintenance design
CNC Head Turning Machine

CNC Head Turning Machine

Designed for precise turning of engine valve heads with high-speed spindle and rigid structure.

  • • High-speed spindle options
  • • Stable cutting performance
  • • Integrated coolant system
Forging & Pressing Machine

Forging & Pressing Machine

Robust machine for forging and pressing engine valve components with high tonnage capacity.

  • • High-pressure forming
  • • Durable frame construction
  • • Programmable stroke control
Induction Hardening Machine

Induction Hardening Machine

Efficient hardening of valve stems and tips using induction technology for improved wear resistance.

  • • Fast heating cycles
  • • Uniform hardness distribution
  • • Energy-efficient operation
Plasma Welding Machine

Plasma Welding Machine

Advanced plasma welding for valve seat and stem joints with high penetration and stability.

  • • Stable arc control
  • • Minimal distortion
  • • Suitable for various alloys
Straightening Machine

Straightening Machine

Precision straightening of engine valve stems to ensure dimensional accuracy and performance.

  • • Multi-point correction system
  • • Digital measurement feedback
  • • High repeatability

Advanced Technology

CBN Grinding Technology

Our CBN (Cubic Boron Nitride) grinding wheels offer superior hardness and thermal stability, ensuring long-lasting durability and precise cuts. This technology is preferred by leading CBN cutting machine for valves suppliers due to its efficiency and low wear rate.

Automated Control Systems

All machines are equipped with man-machine interface, picture control, and database integration for real-time monitoring, program flexibility, and quality stability.

Technology Overview

Complete Production Solutions

Engine Valve Production Line

Full turnkey solution from raw material to finished valve, including cutting, drilling, grinding, hardening, and inspection stations.

  • • Integrated automation
  • • High throughput capacity
  • • Quality control at every stage

Valve Cotter Production Technology

Specialized process for manufacturing valve cotters with high precision and consistency.

  • • High-speed forming
  • • Automated feeding system
  • • In-line quality verification

Our Services

Technical Support

24/7 remote assistance and on-site service for troubleshooting and optimization.

Download Center

Access manuals, brochures, software updates, and technical documentation.

Training & Videos

Comprehensive training programs and instructional videos for operators and engineers.

Get in Touch

For inquiries about our machines, technical specifications, or support, please visit our official website.

Visit Official Website

T: +86-512-66294696

E: [email protected]

Add: No.20, Guangdian Road, Guangfu Town, Wuzhong District, Suzhou, China

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