Hotman FX-20CNC-5 High Precision CNC Centreless Grinding Machine 320mm Max Diameter 3.75/5.5KW Motor
Price:
RMB1/SET
MOQ:
1
Delivery Time:
60DAYS
Brand:
HOTMAN
Product Description
High Precision CNC Centreless Grinding Machine Overview
Premium Construction & Precision Engineering
The FX-20CNC-5 Hotman Centreless Grinding Machine features a body and components cast from Milhanna high-grade FC30 cast iron, undergoing artificial normalized heat treatment and natural aging. Components are precision-machined using world-class equipment from YASDA, MITSUI SEIKI, TOSHIBA, and ELB with single-clamping processing to achieve micron-level precision.
Key Features & Advantages
- Siemens 828D CNC automatic grinding system with secondary development for intuitive operation
- Automatic lubrication system for guide rails and precision ball screws ensuring extended service life
- Separate cooling system to eliminate vibration and improve heat dissipation
- Multiple optional equipment including inner hole grinding, automatic end measuring, and outside diameter measuring devices
- Grinding wheel spindle with rear four and rear two bearing structure, with optional high-precision dynamic/static pressure spindle
- Adjustable grinding wheel speed up to 3500 RPM and 60m/s for specialized workpiece requirements
- Robust tail seat design with hardened alloy steel sliding cylinder and MT4 top core
Technical Specifications
| Parameter | Unit | Specification |
|---|---|---|
| Maximum grinding diameter | mm | 320 |
| Maximum distance between centers | mm | 600 |
| Maximum load between centers | kg | 60 (top work) / 20 (working head only) |
| Grinding wheel size (diameter × width × aperture) | mm | 455×38(32-50)×127 |
| Grinding wheel speed | rpm | 1650 |
| Maximum grinding wheel linear speed | m/s | 40 (high speed up to 65) |
| Grinding wheel head feed stroke | mm | 250 |
| Headstock spindle speed | rpm | 50-500 |
| Grinding wheel spindle motor | kW | 3.75/5.5 |
| X-axis feed motor (servo) | kW | 2.2 |
| Z-axis feed motor (servo) | kW | 2.2 |
| Net machine weight | kg | 3300 |
Advanced Grinding Capabilities
Regulating Wheel System
- Double support bearing type spindle for high rigidity and maintenance-free operation
- 4.5Kw servo motor drive with high precision reducer
- 0-250rpm stepless speed regulation
- Servo motor-driven sand shaft with pole-free dressing speed adjustment
- Optional servo drive for upper feed (five axes configuration)
Ideal Applications
- Molding grinding tool applications
- Large diameter workpiece grinding operations
- Bearing wheel spindle manufacturing
Related Videos
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangdong Hotman Machine Tool Co.,Ltd.
Location
China
Contact Person
Gary Wu