Professional Machinery For CNC Valve Grinding

We are specialized in Special Purpose Machine for Engine Valve and provide accessories.
Almost our machine include automatic loading and unloading and are designed to be fast, flexible and reliable.
Valve Grinding Machine
This machine tool is a mature and eficient special grinding machine developed in recent years, suitable for
engine inlet and exhaust lock slot grinding.
According to the demand can be made up and down rail or single-stage models

Suitable for various sizes and shapes of special items, and can be used for various film thickness plating, cleaning treatment

The electroplating process can change the computer program at any time according to the operation needs, and can also set a variety of programs and match the man-machine interface, picture control, database and other precision electronic control systems to achieve quality stability and economic benefits
CNC Cutting Machine
The CBN Valve Cut Off Machine is a highly efficient solution designed for precision cutting of engine valve stems, ensuring optimal control over the final length of the valves. This advanced machine utilizes a CBN (Cubic Boron Nitride) grinding wheel, making it a preferred choice among CBN cutting machine for valves suppliers.
With a spindle speed ranging from 4000 to 6000 RPM and a wheel speed of 80 to 120 m/s, this cutting machine enhances productivity while minimizing labor costs. It is capable of processing various engine valves used in motorcycles, cars, trucks, and lawn equipment.
CNC Cutting Machine
The CBN Valve Cut Off Machine is a high-precision, high-efficiency solution designed for accurately cutting engine valve stems to achieve optimal final length control. Here’s a detailed breakdown of its key features and benefits:
Advanced CBN Grinding Wheel,ensuring long-lasting durability and precise cuts;Preferred by CBN cutting machine for valves suppliers due to superior performance compared to conventional abrasive wheels.
High-Speed Operation:Spindle Speed: 4000–6000 RPM,Wheel Speed: 80–120 m/s;Enables fast, efficient cutting while maintaining tight tolerances.
Benefits for Manufacturers & Suppliers:
✔ Higher Efficiency – Faster cycle times compared to traditional cutting methods.
✔ Lower Operating Costs – Reduced wheel wear and labor requirements.
✔ Superior Finish – Clean, burr-free cuts for better valve performance.
✔ Versatility – Handles multiple valve types and materials.
CNC Cutting Machine
The CBN Valve Cut Off Machine is a high-precision, high-efficiency solution designed for accurately cutting engine valve stems to achieve optimal final length control.
Key Features:
Advanced CBN Grinding Wheel
Utilizes Cubic Boron Nitride (CBN), a super-abrasive material known for exceptional hardness and thermal stability, ensuring long-lasting durability and precise cuts.
Preferred by CBN cutting machine for valves suppliers due to superior performance compared to conventional abrasive wheels.
Benefits for Manufacturers & Suppliers:
✔ Higher Efficiency – Faster cycle times compared to traditional cutting methods.
✔ Lower Operating Costs – Reduced wheel wear and labor requirements.
✔ Superior Finish – Clean, burr-free cuts for better valve performance.
✔ Versatility – Handles multiple valve types and materials.

Professional Engine Valve Manufacturing Machines Supplier!

Starting in 2003, Suzhou Jianuohao International Trade Co., Ltd has been designing and manufacturing CNC Valve Grinding Machine more than ten years. 60% of our machines are exported Japan, Indoniesia, Mexico, South-East Asia, Europe and South Africa. We are specialized in Special Purpose Machine for Engine Valve and provide accessories.
Almost our machine include automatic loading and unloading and are designed to be fast, flexible and reliable. We have small, highly skilled team that offer a personal service worldwide. Besed in beautiful city--Suzhou. Many our customer use our machine all the time and have good reputation.
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Reliable Solutions For Engine Valve

We are specialized in Special Purpose Machine for Engine Valve and provide accessories.
Almost our machine include automatic loading and unloading and are designed to be fast, flexible and reliable.
  • Engine Valve Production Line
    More than 10 precision production line, easy to realize large quantities of goods, to provide you with the best price.
  • Valve Cotter Production
    Valve Cotter Production
    We have an excellent technical team, which can be designed according to customers requirements.
Satisfied Service With Accurate Delivery Time
We understand that sometimes things don't always go according to plan which is why we offer a full after-sales service.


Field Service
In the event of a machine breakdown we offer everything from replacement parts to engineers on site to get your machine back up and running in the shortest time possible.
Fast Service
Should you experience the maintenance problem we aim to respond to you by email or provide on site engineers within 24 hours.
Order Parts
We offer a range of maintenance and replacement parts for all our machines which are available to order directly from us.

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Video Resources To Support Your Business

We are specialized in Special Purpose Machine for Engine Valve and provide accessories.
Almost our machine include automatic loading and unloading and are designed to be fast, flexible and reliable.
Tianzhijiao Machinery Advantages
We are specialized in Special Purpose Machine for Engine Valve and provide accessories.
Almost our machine include automatic loading and unloading and are designed to be fast, flexible and reliable.
01  We offer a full range of technical support. If necessary, we will provide a training about how to operate.
02  We provide design plan according to customer market needs.
03  We are manufacturer and have factory. So guaranty the quality.
04  Non-standard customized is acceptable.
05  With high configuration, CNC+PLC+Servo control system.More efficiency and precision, Reducing the labor cost.
06  We can provide engine valve production line.

Latest News And Exhibition Information

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3 Quick Tips To Improve Your Valve Grinding

Improving CNC valve grinding efficiency requires attention to key factors like grinding oil, stone selection, and equipment maintenance. Using mineral-based grinding oils helps prevent overheating and ensures smooth grinding. Choosing the right stone for each valve material—whether passenger car valves, stainless steel, or exotic alloys—enhances grinding performance. Regular machine maintenance, including checking motor adjustments and chuck alignment, ensures consistent results. Additionally, using sharp diamonds for dressing grinding stones maintains cutting efficiency. Organizing your workflow and maintaining a safe, clutter-free workspace further boosts productivity. Follow these tips for precise, high-quality CNC valve grinding results.

17/2025-09
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How To Use A Valve Grinding Machine

Valve grinding is crucial for engine and machinery maintenance, ensuring proper valve seating and preventing leaks. CNC valve grinding machines offer superior precision by automating the grinding process, improving consistency and efficiency. To achieve optimal results, it's essential to properly prepare the machine, select the right grinding wheel, and position the valve accurately. Safety is key, so always wear protective gear and maintain the machine regularly. Troubleshooting common issues like poor finishes, uneven grinding, or excessive heat can help maintain machine performance. Regular calibration and maintenance of CNC machines are vital for sustained precision and reliability.

16/2025-09
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CNC Grinding: A Complete Guide To Precision Machining

CNC grinding is a precision machining method that uses computer-controlled abrasive tools to achieve tight tolerances and smooth finishes. It is especially crucial for applications like CNC valve grinding, where high precision is necessary for components such as valves, bearings, and gears. The process involves CNC programming, grinding, and finishing to meet stringent specifications. CNC grinding offers benefits like automation, repeatability, and efficiency, making it ideal for industries such as automotive, aerospace, and medical. Challenges include material hardness, tool wear, and thermal expansion, but with the right setup and maintenance, CNC grinding delivers high-quality, cost-effective results.

13/2025-09
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  • Tel: +86-512-66294696
  • Phone:  +86-19951820776
  • E-mail: service@tzjmachine.com
  • Add: No.20, Guangdian Road, Guangfu Town, Wuzhong District, Suzhou, China

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