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> 520AH High-precision Automatic Surface Grinding Machine
Left And Right Hydraulic Drive,Front And Rear Stepper Drive
High Precision Within 0.003mm
Proportional hydraulic motion, precision servo, and high-grade roller screw rails..
Worktable travel: 500×200mm
The simple and clear program control display screen allows you to set machining parameters and various grinding cycle programs, and has an early warning function.
Flatness: 0.003mm
Roughness: Ra0.25
Ten-year accuracy guarantee
Utilizing hand-scraping technology from Japan, master technicians with decades of experience significantly improve machine tool precision, stability, and lifespan through manual .
An independent hydraulic system enables the worktable to have multiple adjustable speeds and low vibration, making it suitable for a variety of processing applications.
| Item | YASHIDA 520AH | |
| X-axis travel (left-right) | 530mm | |
| Y-axis travel (front-back) | 200mm | |
| Z-axis travel (up-down) | 320mm | |
| Distance from spindle nose to worktable surface | 400mm | |
| Machining Accuracy (within 200 x 450 mm range) | Precision within 0.003mm | |
| T-slot (width * slots * length) | 17*1*500mm | |
| Worktable dimensions (X-axis direction) | 500mm | |
| Worktable dimensions (Y-axis direction) | 200mm | |
| Maximum worktable load capacity | 100kg | |
| Spindle Speed | 50/60HZ 2850/3360(integrated type) | |
| Spindle Motor Power | 1.5kw/2HP | |
| Spindle Nose Taper & Outer Diameter | 1：5、Ф76 | |
| X-Axis Hydraulic Feed with Electronic Non-Contact Reversal | 5-25 m/min | |
| Y-Axis Forward/Backward Stepper Motor Feed | 790/950 （50/60HZ）mm/min | |
| Z-Axis Manual Feed (Handwheel) | One Division：0.005mm One Rotation： 1mm | |
| Z-Axis Grinding Feed Rate (Automatic) | 0.001-0.05mm/min | |
| Coolant Motor | 1/8HP | |
| Dust Motor | 3/4HP | |
| Hydraulic Motor | 1HP | |
| Spindle Motor | 2HP | |
| Maximum Power Requirement | 5KVA | |
| Machine Length | 1800mm | |
| Machine Width | 1452mm | |
| Machine Overall Dimensions (L × W × H) | 1800*1500*2100mm | |
| Machine Weight | 1200KG | |
| Standard accessories | ||
| Item | Unit（set） | |
| Flange | 1 | |
| Frequency Converter | 1 | |
| Magnetic Disk | 1 | |
| Optical Scale | 1 | |
| grinding wheel | 1 | |
| Coolant System / Dust Collector ( choose one for free) | 1 | |
Roundness: 0.002mm
Straightness: ≤0.003mm
Long-lasting
Durability
Japan's premier grinding machine manufacturer employs advanced technology suitable for machining medical guide wires, shafts, pins, rollers, sleeves, rings, slender shafts, thin-walled components, simple stepped shafts, and multi-stepped small shafts. Materials include ceramics, alloy steel, bearing steel, tool steel, mold steel, copper, aluminum, high-temperature alloys, and cemented carbide. Ideal for automotive parts, aerospace, and other industries.
Double V-shaped guide rails + dovetail groove structure, capable of ±5 degrees rotation with feed adjustment precision down to 0.001mm.
Hydraulic drive, continuously variable transmission, and smooth dressing significantly enhance straightness and surface roughness during grinding.
| Specifications | Unit | |
| Maximum Grinding Length | 450mm | |
| Maximum width of grinding | 150mm | |
| Distance from grinding wheel axis to workbench | 385mm | |
| Grinding wheel size (outside diameter * thickness * aperture) | 180*13*31.75mm | |
| Spindle speed (50Hz/60Hz) | 3000rpm/3600rpm | |
|
Every turn of the handwheel feeds Amount |
Table moves left and right | 100mm |
| Saddle fore-and-aft momentum | 5mm (0.02mm per scale) | |
| Up-and-down movement of grinding wheel | 1mm (0.005mm per scale) | |
| Grinding wheel motor (V3) | 1.1Kw1.5HP | |
| Vacuum motor | 0.4Kw | |
| Machine size (length * width * height) | 1400*920*1850mm | |
| Mechanical weight (approx.) | 750kg | |
| Specifications | Unit | |
| Maximum Grinding Length | 450mm | |
| Maximum width of grinding | 150mm | |
| Distance from grinding wheel axis to workbench | 385mm | |
| Grinding wheel size (outside diameter * thickness * aperture) | 180*13*31.75mm | |
| Spindle speed (50Hz/60Hz) | 3000rpm/3600rpm | |
|
Every turn of the handwheel feeds Amount |
Table moves left and right | 100mm |
| Saddle fore-and-aft momentum | 5mm (0.02mm per scale) | |
| Up-and-down movement of grinding wheel | 1mm (0.005mm per scale) | |
| Grinding wheel motor (V3) | 1.1Kw1.5HP | |
| Vacuum motor | 0.4Kw | |
| Machine size (length * width * height) | 1400*920*1850mm | |
| Quartz lamp | 1 lamp | |
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