CNC Double Sided Fine Grinder YHJ2M Series
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CNC Double Sided Fine Grinder YHJ2M Series

The High Precision CNC Vertical Double-Sided Grinder YHJ2M Series delivers precise grinding for ceramics, metals, and hard brittle materials. Featuring CNC control and flexible speed adjustments, it ensures high accuracy and efficiency, making it ideal for automotive, electronics, and aerospace applications.
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Product Overview


The High-Precision ODMP CNC Grinder for Eccentric Parts is a cutting-edge machining solution tailored for handling complex workpieces with exceptional accuracy. It comes equipped with proprietary grinding software that streamlines operations, enabling precise processing of eccentric, polygonal, elliptical, and irregularly shaped components. This makes it a perfect fit for industries where tight tolerances and consistent quality are non-negotiable.


Its X-axis is fitted with a linear motor to deliver rapid and smooth movement, while the C-axis incorporates a servo direct drive with a circular grating for precise rotational positioning. This dynamic combination effectively reduces backlash, cuts down processing time, and boosts overall stability, even when operating at high speeds. Whether it’s small-batch production or large-scale mass manufacturing, the ODMP Series adapts effortlessly. It also works seamlessly with leading control systems like Fanuc, Siemens, GSK, and Mitsubishi, ensuring easy integration into existing production setups.


YHJ (2)


Product Specifications


Model

Unit

ODM P 32-50CAM

Max. swing diameter of work table

mm

320

Max. distance between centers

mm

500

Size of external grinding wheel (external diameter x thickness x internal diameter)

mm

Φ350×(25~50)×Φ127

Max. workpiece weight

kg

50


These specifications highlight the machine's capability to handle a range of workpiece sizes and weights, ensuring versatility in various manufacturing scenarios.


Features


Core Component Engineering

The ODMP Series is built with a focus on durability and precision. Its bed is made from high-grade cast iron with a stress-relieved structure, which minimizes vibration and thermal deformation during long hours of operation. This sturdy foundation guarantees consistent performance even in tough factory environments.



The grinding wheel spindle is fitted with high-precision angular contact bearings, reducing runout to less than 0.0005mm—a crucial factor in achieving mirror-like surface finishes (Ra ≤ 0.02μm) on machined parts. Additionally, a built-in coolant circulation system with multi-point nozzles directs coolant precisely to the grinding area, preventing overheating and ensuring efficient chip removal, thus safeguarding the integrity of the workpiece.


User-Centric Design

The machine's control panel is ergonomically placed, featuring a 15-inch touchscreen display that provides easy access to the proprietary grinding software. The software includes pre-programmed templates for common workpiece shapes such as eccentric, hexagonal, and elliptical, allowing operators to set up jobs in minutes instead of hours. Safety is a priority, with a protective enclosure equipped with interlock switches that meet international safety standards (ISO 13849-1), ensuring operator protection during high-speed operations.


Applications


Target Workpieces

The ODMP Series excels in machining a variety of workpieces:


· Eccentric shafts: Essential in automotive engines, pumps, and compressors, where offset rotational axes are vital for proper functioning.

· Polygonal components: Including hexagonal bolts, square shafts, and splined parts used in machinery and aerospace systems.

· Elliptical workpieces: Such as camshafts and eccentric gears, commonly found in precision mechanical transmissions.


Industry Applications

· Automotive: Machining camshafts, crankshafts, and transmission components that require tight tolerances.

· Aerospace: Producing precision fasteners, hydraulic system parts, and engine components where reliability is mission-critical.

· Precision Instruments: Manufacturing gears, valves, and measuring tools that demand micron-level accuracy.

· Hydraulics & Pneumatics: Grinding eccentric cylinders and polygonal spools for hydraulic valves, ensuring leak-free performance.


FAQ


What is the machining accuracy of the ODMP Series?

The ODMP Series achieves a positional accuracy of ±0.001mm on the X-axis and ±2 arcseconds on the C-axis, with surface finishes as fine as Ra ≤ 0.02μm. These figures meet the strictest standards for high-precision manufacturing.


Can the machine handle custom workpiece shapes?

Yes. The proprietary grinding software supports custom programming for non-standard shapes, such as irregular polygons and asymmetric eccentrics. Our OEM/ODM service also offers tailored solutions to meet unique production requirements.


What materials can the ODMP Series grind?

It efficiently processes a wide range of materials, including alloy steel, stainless steel, cast iron, and non-ferrous metals like aluminum and copper. The grinding wheel can be customized based on the material's hardness to optimize performance.


How user-friendly is the operation?

The intuitive 15-inch touchscreen and pre-programmed templates significantly reduce training time. Operators with basic CNC knowledge can master setup and operation within days. Additionally, our Video & FAQ resources provide step-by-step guides for common tasks.


What maintenance is required?

Routine maintenance involves weekly inspection of the linear motor rails (including cleaning and lubrication) and monthly calibration of the circular grating. The machine is designed for minimal downtime, with critical components backed by a 12-month warranty.


Is technical support available for international users?

Yes. Our global service team offers 24/7 remote support via WhatsApp (+8613661660678) and email (info@kulagrinder.com). On-site service is available in major industrial regions, ensuring timely assistance for installation, training, and troubleshooting.


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